Merge branch 'master' into add_x11

Former-commit-id: 4ce19c22a28609978e1eb72375d3aa7bf63a91be

.gitignore

@@ -1,3 +1,5 @@
 /*.user
 /build
 /build-x86
+.DS_Store
+

CMakeLists.txt

@@ -19,10 +19,13 @@ message(STATUS "ENABLE_V4L2 = " ${ENABLE_V4L2})
 option(ENABLE_X11 "Enable the X11 grabber" ON)
 message(STATUS "ENABLE_X11 = " ${ENABLE_X11})
 
+option(ENABLE_TINKERFORGE "Enable the TINKERFORGE device" ON)
+message(STATUS "ENABLE_TINKERFORGE = " ${ENABLE_TINKERFORGE})
+
 # Createt the configuration file
 # configure a header file to pass some of the CMake settings
 # to the source code
-configure_file ("${PROJECT_SOURCE_DIR}/HyperionConfig.h.in" "${PROJECT_BINARY_DIR}/HyperionConfig.h")
+configure_file("${PROJECT_SOURCE_DIR}/HyperionConfig.h.in" "${PROJECT_BINARY_DIR}/HyperionConfig.h")
 include_directories("${PROJECT_BINARY_DIR}")
 
 # Add project specific cmake modules (find, etc)
@@ -65,6 +68,10 @@ set(CMAKE_FIND_LIBRARY_SUFFIXES_OLD)
 find_package(libusb-1.0 REQUIRED)
 find_package(Threads REQUIRED)
 
+if (ENABLE_TINKERFORGE)
+	#find_package(libtinkerforge-1.0 REQUIRED)
+endif (ENABLE_TINKERFORGE)
+
 include(${QT_USE_FILE})
 add_definitions(${QT_DEFINITIONS})
 # TODO[TvdZ]: This linking directory should only be added if we are cross compiling

CompileHowto.txt

@@ -19,8 +19,8 @@ cd "$HYPERION_DIR/build"
 
 # run cmake to generate make files on the rsapberry pi
 cmake ..
-# or if you are not compiling on the raspberry pi and need to disable the Disppmanx grabber
-cmake -DENABLE_DISPMANX=OFF ..
+# or if you are not compiling on the raspberry pi and need to disable the Dispmanx grabber and support for spi devices
+cmake -DENABLE_DISPMANX=OFF -DENABLE_SPIDEV=OFF ..
 
 # run make to build Hyperion
 make

HyperionConfig.h.in

@@ -8,3 +8,6 @@
 
 // Define to enable the spi-device
 #cmakedefine ENABLE_SPIDEV
+
+// Define to enable the spi-device
+#cmakedefine ENABLE_TINKERFORGE

bin/hyperion.init.sh

@@ -7,22 +7,27 @@ DAEMON=hyperiond
 DAEMONOPTS="/etc/hyperion.config.json"
 DAEMON_PATH="/usr/bin"
 
-NAME=$DEAMON
+NAME=$DAEMON
 DESC="Hyperion ambilight server"
 PIDFILE=/var/run/$NAME.pid
 SCRIPTNAME=/etc/init.d/$NAME
-
 case "$1" in
 start)
-	printf "%-50s" "Starting $NAME..."
-	cd $DAEMON_PATH
-	PID=`$DAEMON $DAEMONOPTS > /dev/null 2>&1 & echo $!`
-	#echo "Saving PID" $PID " to " $PIDFILE
-        if [ -z $PID ]; then
-            printf "%s\n" "Fail"
+        if [ $(pgrep -l $NAME |wc -l) = 1 ]
+        then
+                printf  "%-50s\n" "Already running..."
+                exit 1
         else
-            echo $PID > $PIDFILE
-            printf "%s\n" "Ok"
+                printf "%-50s" "Starting $NAME..."
+                cd $DAEMON_PATH
+                PID=`$DAEMON $DAEMONOPTS > /dev/null 2>&1 & echo $!`
+                #echo "Saving PID" $PID " to " $PIDFILE
+                if [ -z $PID ]; then
+                    printf "%s\n" "Fail"
+                else
+                    echo $PID > $PIDFILE
+                    printf "%s\n" "Ok"
+                fi
         fi
 ;;
 status)
@@ -39,24 +44,31 @@ status)
         fi
 ;;
 stop)
-        printf "%-50s" "Stopping $NAME"
-            PID=`cat $PIDFILE`
-            cd $DAEMON_PATH
-        if [ -f $PIDFILE ]; then
-            kill -HUP $PID
-            printf "%s\n" "Ok"
-            rm -f $PIDFILE
+        if [ -f $PIDFILE ]
+        then
+                printf "%-50s" "Stopping $NAME"
+                    PID=`cat $PIDFILE`
+                    cd $DAEMON_PATH
+                if [ -f $PIDFILE ]; then
+                    kill -HUP $PID
+                    printf "%s\n" "Ok"
+                    rm -f $PIDFILE
+                else
+                    printf "%s\n" "pidfile not found"
+                fi
         else
-            printf "%s\n" "pidfile not found"
+                printf "%-50s\n" "No PID file $NAME not running?"
         fi
 ;;
 
 restart)
-  	$0 stop
-  	$0 start
+        $0 stop
+        $0 start
 ;;
 
 *)
         echo "Usage: $0 {status|start|stop|restart}"
         exit 1
 esac
+
+exit 0

config/hyperion_x86.config.json

@@ -14,7 +14,7 @@
 	{
 		"name"       : "MyPi",
 		"type"       : "adalight",
-		"output"     : "/dev/ttyUSB0",
+        "output"     : "/dev/ttyUSB0",
 		"rate"       : 115200,
 		"colorOrder" : "rgb"
 	},
@@ -363,7 +363,7 @@
 	{
 		"paths" : 
 		[
-			"/opt/hyperion/effects"
+			"/home/dincs/projects/hyperion/effects"
 		]
 	},
 

dependencies/build/CMakeLists.txt

@@ -1,5 +1,6 @@
 
-add_subdirectory(jsoncpp)
 add_subdirectory(getoptPlusPlus)
-add_subdirectory(serial)
 add_subdirectory(hidapi)
+add_subdirectory(jsoncpp)
+add_subdirectory(serial)
+add_subdirectory(tinkerforge)

dependencies/build/getoptPlusPlus/getoptpp.cc

@@ -280,7 +280,6 @@ void PresettableUniquelySwitchable::preset() {
 template<>
 PODParameter<string>::PODParameter(char shortOption, const char *longOption,
 	   const char* description) : CommonParameter<PresettableUniquelySwitchable>(shortOption, longOption, description) {
-   preset();
 }
 
 

dependencies/build/tinkerforge/CMakeLists.txt

@@ -0,0 +1,14 @@
+project(tinkerforge)
+
+# define the current source/header path
+set(CURRENT_HEADER_DIR ${CMAKE_SOURCE_DIR}/dependencies/include/tinkerforge)
+set(CURRENT_SOURCE_DIR ${CMAKE_SOURCE_DIR}/dependencies/build/tinkerforge)
+
+include_directories(${CURRENT_HEADER_DIR})
+
+add_library(tinkerforge
+		${CURRENT_HEADER_DIR}/bricklet_led_strip.h
+		${CURRENT_HEADER_DIR}/ip_connection.h
+
+		${CURRENT_SOURCE_DIR}/bricklet_led_strip.c
+		${CURRENT_SOURCE_DIR}/ip_connection.c)

dependencies/build/tinkerforge/bricklet_led_strip.c

@@ -0,0 +1,373 @@
+/* ***********************************************************
+ * This file was automatically generated on 2013-12-19.      *
+ *                                                           *
+ * Bindings Version 2.0.13                                    *
+ *                                                           *
+ * If you have a bugfix for this file and want to commit it, *
+ * please fix the bug in the generator. You can find a link  *
+ * to the generator git on tinkerforge.com                   *
+ *************************************************************/
+
+
+#define IPCON_EXPOSE_INTERNALS
+
+#include "bricklet_led_strip.h"
+
+#include <string.h>
+
+
+
+typedef void (*FrameRenderedCallbackFunction)(uint16_t, void *);
+
+#if defined _MSC_VER || defined __BORLANDC__
+	#pragma pack(push)
+	#pragma pack(1)
+	#define ATTRIBUTE_PACKED
+#elif defined __GNUC__
+	#ifdef _WIN32
+		// workaround struct packing bug in GCC 4.7 on Windows
+		// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
+		#define ATTRIBUTE_PACKED __attribute__((gcc_struct, packed))
+	#else
+		#define ATTRIBUTE_PACKED __attribute__((packed))
+	#endif
+#else
+	#error unknown compiler, do not know how to enable struct packing
+#endif
+
+typedef struct {
+	PacketHeader header;
+	uint16_t index;
+	uint8_t length;
+	uint8_t r[16];
+	uint8_t g[16];
+	uint8_t b[16];
+} ATTRIBUTE_PACKED SetRGBValues_;
+
+typedef struct {
+	PacketHeader header;
+	uint16_t index;
+	uint8_t length;
+} ATTRIBUTE_PACKED GetRGBValues_;
+
+typedef struct {
+	PacketHeader header;
+	uint8_t r[16];
+	uint8_t g[16];
+	uint8_t b[16];
+} ATTRIBUTE_PACKED GetRGBValuesResponse_;
+
+typedef struct {
+	PacketHeader header;
+	uint16_t duration;
+} ATTRIBUTE_PACKED SetFrameDuration_;
+
+typedef struct {
+	PacketHeader header;
+} ATTRIBUTE_PACKED GetFrameDuration_;
+
+typedef struct {
+	PacketHeader header;
+	uint16_t duration;
+} ATTRIBUTE_PACKED GetFrameDurationResponse_;
+
+typedef struct {
+	PacketHeader header;
+} ATTRIBUTE_PACKED GetSupplyVoltage_;
+
+typedef struct {
+	PacketHeader header;
+	uint16_t voltage;
+} ATTRIBUTE_PACKED GetSupplyVoltageResponse_;
+
+typedef struct {
+	PacketHeader header;
+	uint16_t length;
+} ATTRIBUTE_PACKED FrameRenderedCallback_;
+
+typedef struct {
+	PacketHeader header;
+	uint32_t frequency;
+} ATTRIBUTE_PACKED SetClockFrequency_;
+
+typedef struct {
+	PacketHeader header;
+} ATTRIBUTE_PACKED GetClockFrequency_;
+
+typedef struct {
+	PacketHeader header;
+	uint32_t frequency;
+} ATTRIBUTE_PACKED GetClockFrequencyResponse_;
+
+typedef struct {
+	PacketHeader header;
+} ATTRIBUTE_PACKED GetIdentity_;
+
+typedef struct {
+	PacketHeader header;
+	char uid[8];
+	char connected_uid[8];
+	char position;
+	uint8_t hardware_version[3];
+	uint8_t firmware_version[3];
+	uint16_t device_identifier;
+} ATTRIBUTE_PACKED GetIdentityResponse_;
+
+#if defined _MSC_VER || defined __BORLANDC__
+	#pragma pack(pop)
+#endif
+#undef ATTRIBUTE_PACKED
+
+static void led_strip_callback_wrapper_frame_rendered(DevicePrivate *device_p, Packet *packet) {
+	FrameRenderedCallbackFunction callback_function;
+	void *user_data = device_p->registered_callback_user_data[LED_STRIP_CALLBACK_FRAME_RENDERED];
+	FrameRenderedCallback_ *callback = (FrameRenderedCallback_ *)packet;
+	*(void **)(&callback_function) = device_p->registered_callbacks[LED_STRIP_CALLBACK_FRAME_RENDERED];
+
+	if (callback_function == NULL) {
+		return;
+	}
+
+	callback->length = leconvert_uint16_from(callback->length);
+
+	callback_function(callback->length, user_data);
+}
+
+void led_strip_create(LEDStrip *led_strip, const char *uid, IPConnection *ipcon) {
+	DevicePrivate *device_p;
+
+	device_create(led_strip, uid, ipcon->p, 2, 0, 1);
+
+	device_p = led_strip->p;
+
+	device_p->response_expected[LED_STRIP_FUNCTION_SET_RGB_VALUES] = DEVICE_RESPONSE_EXPECTED_FALSE;
+	device_p->response_expected[LED_STRIP_FUNCTION_GET_RGB_VALUES] = DEVICE_RESPONSE_EXPECTED_ALWAYS_TRUE;
+	device_p->response_expected[LED_STRIP_FUNCTION_SET_FRAME_DURATION] = DEVICE_RESPONSE_EXPECTED_FALSE;
+	device_p->response_expected[LED_STRIP_FUNCTION_GET_FRAME_DURATION] = DEVICE_RESPONSE_EXPECTED_ALWAYS_TRUE;
+	device_p->response_expected[LED_STRIP_FUNCTION_GET_SUPPLY_VOLTAGE] = DEVICE_RESPONSE_EXPECTED_ALWAYS_TRUE;
+	device_p->response_expected[LED_STRIP_CALLBACK_FRAME_RENDERED] = DEVICE_RESPONSE_EXPECTED_ALWAYS_FALSE;
+	device_p->response_expected[LED_STRIP_FUNCTION_SET_CLOCK_FREQUENCY] = DEVICE_RESPONSE_EXPECTED_FALSE;
+	device_p->response_expected[LED_STRIP_FUNCTION_GET_CLOCK_FREQUENCY] = DEVICE_RESPONSE_EXPECTED_ALWAYS_TRUE;
+	device_p->response_expected[LED_STRIP_FUNCTION_GET_IDENTITY] = DEVICE_RESPONSE_EXPECTED_ALWAYS_TRUE;
+
+	device_p->callback_wrappers[LED_STRIP_CALLBACK_FRAME_RENDERED] = led_strip_callback_wrapper_frame_rendered;
+}
+
+void led_strip_destroy(LEDStrip *led_strip) {
+	device_destroy(led_strip);
+}
+
+int led_strip_get_response_expected(LEDStrip *led_strip, uint8_t function_id, bool *ret_response_expected) {
+	return device_get_response_expected(led_strip->p, function_id, ret_response_expected);
+}
+
+int led_strip_set_response_expected(LEDStrip *led_strip, uint8_t function_id, bool response_expected) {
+	return device_set_response_expected(led_strip->p, function_id, response_expected);
+}
+
+int led_strip_set_response_expected_all(LEDStrip *led_strip, bool response_expected) {
+	return device_set_response_expected_all(led_strip->p, response_expected);
+}
+
+void led_strip_register_callback(LEDStrip *led_strip, uint8_t id, void *callback, void *user_data) {
+	device_register_callback(led_strip->p, id, callback, user_data);
+}
+
+int led_strip_get_api_version(LEDStrip *led_strip, uint8_t ret_api_version[3]) {
+	return device_get_api_version(led_strip->p, ret_api_version);
+}
+
+int led_strip_set_rgb_values(LEDStrip *led_strip, uint16_t index, uint8_t length, uint8_t r[16], uint8_t g[16], uint8_t b[16]) {
+	DevicePrivate *device_p = led_strip->p;
+	SetRGBValues_ request;
+	int ret;
+
+	ret = packet_header_create(&request.header, sizeof(request), LED_STRIP_FUNCTION_SET_RGB_VALUES, device_p->ipcon_p, device_p);
+
+	if (ret < 0) {
+		return ret;
+	}
+
+	request.index = leconvert_uint16_to(index);
+	request.length = length;
+	memcpy(request.r, r, 16 * sizeof(uint8_t));
+	memcpy(request.g, g, 16 * sizeof(uint8_t));
+	memcpy(request.b, b, 16 * sizeof(uint8_t));
+
+	ret = device_send_request(device_p, (Packet *)&request, NULL);
+
+
+	return ret;
+}
+
+int led_strip_get_rgb_values(LEDStrip *led_strip, uint16_t index, uint8_t length, uint8_t ret_r[16], uint8_t ret_g[16], uint8_t ret_b[16]) {
+	DevicePrivate *device_p = led_strip->p;
+	GetRGBValues_ request;
+	GetRGBValuesResponse_ response;
+	int ret;
+
+	ret = packet_header_create(&request.header, sizeof(request), LED_STRIP_FUNCTION_GET_RGB_VALUES, device_p->ipcon_p, device_p);
+
+	if (ret < 0) {
+		return ret;
+	}
+
+	request.index = leconvert_uint16_to(index);
+	request.length = length;
+
+	ret = device_send_request(device_p, (Packet *)&request, (Packet *)&response);
+
+	if (ret < 0) {
+		return ret;
+	}
+	memcpy(ret_r, response.r, 16 * sizeof(uint8_t));
+	memcpy(ret_g, response.g, 16 * sizeof(uint8_t));
+	memcpy(ret_b, response.b, 16 * sizeof(uint8_t));
+
+
+
+	return ret;
+}
+
+int led_strip_set_frame_duration(LEDStrip *led_strip, uint16_t duration) {
+	DevicePrivate *device_p = led_strip->p;
+	SetFrameDuration_ request;
+	int ret;
+
+	ret = packet_header_create(&request.header, sizeof(request), LED_STRIP_FUNCTION_SET_FRAME_DURATION, device_p->ipcon_p, device_p);
+
+	if (ret < 0) {
+		return ret;
+	}
+
+	request.duration = leconvert_uint16_to(duration);
+
+	ret = device_send_request(device_p, (Packet *)&request, NULL);
+
+
+	return ret;
+}
+
+int led_strip_get_frame_duration(LEDStrip *led_strip, uint16_t *ret_duration) {
+	DevicePrivate *device_p = led_strip->p;
+	GetFrameDuration_ request;
+	GetFrameDurationResponse_ response;
+	int ret;
+
+	ret = packet_header_create(&request.header, sizeof(request), LED_STRIP_FUNCTION_GET_FRAME_DURATION, device_p->ipcon_p, device_p);
+
+	if (ret < 0) {
+		return ret;
+	}
+
+
+	ret = device_send_request(device_p, (Packet *)&request, (Packet *)&response);
+
+	if (ret < 0) {
+		return ret;
+	}
+	*ret_duration = leconvert_uint16_from(response.duration);
+
+
+
+	return ret;
+}
+
+int led_strip_get_supply_voltage(LEDStrip *led_strip, uint16_t *ret_voltage) {
+	DevicePrivate *device_p = led_strip->p;
+	GetSupplyVoltage_ request;
+	GetSupplyVoltageResponse_ response;
+	int ret;
+
+	ret = packet_header_create(&request.header, sizeof(request), LED_STRIP_FUNCTION_GET_SUPPLY_VOLTAGE, device_p->ipcon_p, device_p);
+
+	if (ret < 0) {
+		return ret;
+	}
+
+
+	ret = device_send_request(device_p, (Packet *)&request, (Packet *)&response);
+
+	if (ret < 0) {
+		return ret;
+	}
+	*ret_voltage = leconvert_uint16_from(response.voltage);
+
+
+
+	return ret;
+}
+
+int led_strip_set_clock_frequency(LEDStrip *led_strip, uint32_t frequency) {
+	DevicePrivate *device_p = led_strip->p;
+	SetClockFrequency_ request;
+	int ret;
+
+	ret = packet_header_create(&request.header, sizeof(request), LED_STRIP_FUNCTION_SET_CLOCK_FREQUENCY, device_p->ipcon_p, device_p);
+
+	if (ret < 0) {
+		return ret;
+	}
+
+	request.frequency = leconvert_uint32_to(frequency);
+
+	ret = device_send_request(device_p, (Packet *)&request, NULL);
+
+
+	return ret;
+}
+
+int led_strip_get_clock_frequency(LEDStrip *led_strip, uint32_t *ret_frequency) {
+	DevicePrivate *device_p = led_strip->p;
+	GetClockFrequency_ request;
+	GetClockFrequencyResponse_ response;
+	int ret;
+
+	ret = packet_header_create(&request.header, sizeof(request), LED_STRIP_FUNCTION_GET_CLOCK_FREQUENCY, device_p->ipcon_p, device_p);
+
+	if (ret < 0) {
+		return ret;
+	}
+
+
+	ret = device_send_request(device_p, (Packet *)&request, (Packet *)&response);
+
+	if (ret < 0) {
+		return ret;
+	}
+	*ret_frequency = leconvert_uint32_from(response.frequency);
+
+
+
+	return ret;
+}
+
+int led_strip_get_identity(LEDStrip *led_strip, char ret_uid[8], char ret_connected_uid[8], char *ret_position, uint8_t ret_hardware_version[3], uint8_t ret_firmware_version[3], uint16_t *ret_device_identifier) {
+	DevicePrivate *device_p = led_strip->p;
+	GetIdentity_ request;
+	GetIdentityResponse_ response;
+	int ret;
+
+	ret = packet_header_create(&request.header, sizeof(request), LED_STRIP_FUNCTION_GET_IDENTITY, device_p->ipcon_p, device_p);
+
+	if (ret < 0) {
+		return ret;
+	}
+
+
+	ret = device_send_request(device_p, (Packet *)&request, (Packet *)&response);
+
+	if (ret < 0) {
+		return ret;
+	}
+	strncpy(ret_uid, response.uid, 8);
+	strncpy(ret_connected_uid, response.connected_uid, 8);
+	*ret_position = response.position;
+	memcpy(ret_hardware_version, response.hardware_version, 3 * sizeof(uint8_t));
+	memcpy(ret_firmware_version, response.firmware_version, 3 * sizeof(uint8_t));
+	*ret_device_identifier = leconvert_uint16_from(response.device_identifier);
+
+
+
+	return ret;
+}

dependencies/include/tinkerforge/bricklet_led_strip.h

@@ -0,0 +1,301 @@
+/* ***********************************************************
+ * This file was automatically generated on 2013-12-19.      *
+ *                                                           *
+ * Bindings Version 2.0.13                                    *
+ *                                                           *
+ * If you have a bugfix for this file and want to commit it, *
+ * please fix the bug in the generator. You can find a link  *
+ * to the generator git on tinkerforge.com                   *
+ *************************************************************/
+
+#ifndef BRICKLET_LED_STRIP_H
+#define BRICKLET_LED_STRIP_H
+
+#include "ip_connection.h"
+
+/**
+ * \defgroup BrickletLEDStrip LEDStrip Bricklet
+ */
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Device to control up to 320 RGB LEDs
+ */
+typedef Device LEDStrip;
+
+/**
+ * \ingroup BrickletLEDStrip
+ */
+#define LED_STRIP_FUNCTION_SET_RGB_VALUES 1
+
+/**
+ * \ingroup BrickletLEDStrip
+ */
+#define LED_STRIP_FUNCTION_GET_RGB_VALUES 2
+
+/**
+ * \ingroup BrickletLEDStrip
+ */
+#define LED_STRIP_FUNCTION_SET_FRAME_DURATION 3
+
+/**
+ * \ingroup BrickletLEDStrip
+ */
+#define LED_STRIP_FUNCTION_GET_FRAME_DURATION 4
+
+/**
+ * \ingroup BrickletLEDStrip
+ */
+#define LED_STRIP_FUNCTION_GET_SUPPLY_VOLTAGE 5
+
+/**
+ * \ingroup BrickletLEDStrip
+ */
+#define LED_STRIP_FUNCTION_SET_CLOCK_FREQUENCY 7
+
+/**
+ * \ingroup BrickletLEDStrip
+ */
+#define LED_STRIP_FUNCTION_GET_CLOCK_FREQUENCY 8
+
+/**
+ * \ingroup BrickletLEDStrip
+ */
+#define LED_STRIP_FUNCTION_GET_IDENTITY 255
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Signature: \code void callback(uint16_t length, void *user_data) \endcode
+ * 
+ * This callback is triggered directly after a new frame is rendered.
+ * 
+ * You should send the data for the next frame directly after this callback
+ * was triggered.
+ * 
+ * For an explanation of the general approach see {@link led_strip_set_rgb_values}.
+ */
+#define LED_STRIP_CALLBACK_FRAME_RENDERED 6
+
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * This constant is used to identify a LEDStrip Bricklet.
+ *
+ * The {@link led_strip_get_identity} function and the
+ * {@link IPCON_CALLBACK_ENUMERATE} callback of the IP Connection have a
+ * \c device_identifier parameter to specify the Brick's or Bricklet's type.
+ */
+#define LED_STRIP_DEVICE_IDENTIFIER 231
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Creates the device object \c led_strip with the unique device ID \c uid and adds
+ * it to the IPConnection \c ipcon.
+ */
+void led_strip_create(LEDStrip *led_strip, const char *uid, IPConnection *ipcon);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Removes the device object \c led_strip from its IPConnection and destroys it.
+ * The device object cannot be used anymore afterwards.
+ */
+void led_strip_destroy(LEDStrip *led_strip);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Returns the response expected flag for the function specified by the
+ * \c function_id parameter. It is *true* if the function is expected to
+ * send a response, *false* otherwise.
+ *
+ * For getter functions this is enabled by default and cannot be disabled,
+ * because those functions will always send a response. For callback
+ * configuration functions it is enabled by default too, but can be disabled
+ * via the led_strip_set_response_expected function. For setter functions it is
+ * disabled by default and can be enabled.
+ *
+ * Enabling the response expected flag for a setter function allows to
+ * detect timeouts and other error conditions calls of this setter as well.
+ * The device will then send a response for this purpose. If this flag is
+ * disabled for a setter function then no response is send and errors are
+ * silently ignored, because they cannot be detected.
+ */
+int led_strip_get_response_expected(LEDStrip *led_strip, uint8_t function_id, bool *ret_response_expected);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Changes the response expected flag of the function specified by the
+ * \c function_id parameter. This flag can only be changed for setter
+ * (default value: *false*) and callback configuration functions
+ * (default value: *true*). For getter functions it is always enabled and
+ * callbacks it is always disabled.
+ *
+ * Enabling the response expected flag for a setter function allows to detect
+ * timeouts and other error conditions calls of this setter as well. The device
+ * will then send a response for this purpose. If this flag is disabled for a
+ * setter function then no response is send and errors are silently ignored,
+ * because they cannot be detected.
+ */
+int led_strip_set_response_expected(LEDStrip *led_strip, uint8_t function_id, bool response_expected);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Changes the response expected flag for all setter and callback configuration
+ * functions of this device at once.
+ */
+int led_strip_set_response_expected_all(LEDStrip *led_strip, bool response_expected);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Registers a callback with ID \c id to the function \c callback. The
+ * \c user_data will be given as a parameter of the callback.
+ */
+void led_strip_register_callback(LEDStrip *led_strip, uint8_t id, void *callback, void *user_data);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Returns the API version (major, minor, release) of the bindings for this
+ * device.
+ */
+int led_strip_get_api_version(LEDStrip *led_strip, uint8_t ret_api_version[3]);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Sets the *rgb* values for the LEDs with the given *length* starting 
+ * from *index*.
+ * 
+ * The maximum length is 16, the index goes from 0 to 319 and the rgb values
+ * have 8 bits each.
+ * 
+ * Example: If you set
+ * 
+ * * index to 5,
+ * * length to 3,
+ * * r to [255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ * * g to [0, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] and
+ * * b to [0, 0, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+ * 
+ * the LED with index 5 will be red, 6 will be green and 7 will be blue.
+ * 
+ * The colors will be transfered to actual LEDs when the next
+ * frame duration ends, see {@link led_strip_set_frame_duration}.
+ * 
+ * Generic approach: 
+ * 
+ * * Set the frame duration to a value that represents
+ *   the number of frames per second you want to achieve. 
+ * * Set all of the LED colors for one frame.
+ * * Wait for the {@link LED_STRIP_CALLBACK_FRAME_RENDERED} callback.
+ * * Set all of the LED colors for next frame.
+ * * Wait for the {@link LED_STRIP_CALLBACK_FRAME_RENDERED} callback.
+ * * and so on.
+ * 
+ * This approach ensures that you can change the LED colors with
+ * a fixed frame rate.
+ * 
+ * The actual number of controllable LEDs depends on the number of free
+ * Bricklet ports. See :ref:`here <led_strip_bricklet_ram_constraints>` for more
+ * information. A call of {@link led_strip_set_rgb_values} with index + length above the
+ * bounds is ignored completely.
+ */
+int led_strip_set_rgb_values(LEDStrip *led_strip, uint16_t index, uint8_t length, uint8_t r[16], uint8_t g[16], uint8_t b[16]);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Returns the rgb with the given *length* starting from the
+ * given *index*.
+ * 
+ * The values are the last values that were set by {@link led_strip_set_rgb_values}.
+ */
+int led_strip_get_rgb_values(LEDStrip *led_strip, uint16_t index, uint8_t length, uint8_t ret_r[16], uint8_t ret_g[16], uint8_t ret_b[16]);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Sets the frame duration in ms.
+ * 
+ * Example: If you want to achieve 20 frames per second, you should
+ * set the frame duration to 50ms (50ms * 20 = 1 second). 
+ * 
+ * For an explanation of the general approach see {@link led_strip_set_rgb_values}.
+ * 
+ * Default value: 100ms (10 frames per second).
+ */
+int led_strip_set_frame_duration(LEDStrip *led_strip, uint16_t duration);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Returns the frame duration as set by {@link led_strip_set_frame_duration}.
+ */
+int led_strip_get_frame_duration(LEDStrip *led_strip, uint16_t *ret_duration);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Returns the current supply voltage of the LEDs. The voltage is given in mV.
+ */
+int led_strip_get_supply_voltage(LEDStrip *led_strip, uint16_t *ret_voltage);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Sets the frequency of the clock in Hz. The range is 10000Hz (10kHz) up to
+ * 2000000Hz (2MHz).
+ * 
+ * The Bricklet will choose the nearest achievable frequency, which may
+ * be off by a few Hz. You can get the exact frequency that is used by
+ * calling {@link led_strip_get_clock_frequency}.
+ * 
+ * If you have problems with flickering LEDs, they may be bits flipping. You
+ * can fix this by either making the connection between the LEDs and the
+ * Bricklet shorter or by reducing the frequency.
+ * 
+ * With a decreasing frequency your maximum frames per second will decrease
+ * too.
+ * 
+ * The default value is 1.66MHz.
+ * 
+ * \note
+ *  The frequency in firmware version 2.0.0 is fixed at 2MHz.
+ * 
+ * .. versionadded:: 2.0.1~(Plugin)
+ */
+int led_strip_set_clock_frequency(LEDStrip *led_strip, uint32_t frequency);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Returns the currently used clock frequency.
+ * 
+ * .. versionadded:: 2.0.1~(Plugin)
+ */
+int led_strip_get_clock_frequency(LEDStrip *led_strip, uint32_t *ret_frequency);
+
+/**
+ * \ingroup BrickletLEDStrip
+ *
+ * Returns the UID, the UID where the Bricklet is connected to, 
+ * the position, the hardware and firmware version as well as the
+ * device identifier.
+ * 
+ * The position can be 'a', 'b', 'c' or 'd'.
+ * 
+ * The device identifiers can be found :ref:`here <device_identifier>`.
+ * 
+ * .. versionadded:: 2.0.0~(Plugin)
+ */
+int led_strip_get_identity(LEDStrip *led_strip, char ret_uid[8], char ret_connected_uid[8], char *ret_position, uint8_t ret_hardware_version[3], uint8_t ret_firmware_version[3], uint16_t *ret_device_identifier);
+
+#endif

dependencies/include/tinkerforge/ip_connection.h

@@ -0,0 +1,630 @@
+/*
+ * Copyright (C) 2012-2013 Matthias Bolte <matthias@tinkerforge.com>
+ * Copyright (C) 2011 Olaf Lüke <olaf@tinkerforge.com>
+ *
+ * Redistribution and use in source and binary forms of this file,
+ * with or without modification, are permitted.
+ */
+
+#ifndef IP_CONNECTION_H
+#define IP_CONNECTION_H
+
+/**
+ * \defgroup IPConnection IP Connection
+ */
+
+#ifndef __STDC_LIMIT_MACROS
+	#define __STDC_LIMIT_MACROS
+#endif
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+
+#if !defined __cplusplus && defined __GNUC__
+	#include <stdbool.h>
+#endif
+
+#ifdef _WIN32
+	#ifndef WIN32_LEAN_AND_MEAN
+		#define WIN32_LEAN_AND_MEAN
+	#endif
+	#include <windows.h>
+#else
+	#include <pthread.h>
+	#include <semaphore.h>
+#endif
+
+enum {
+	E_OK = 0,
+	E_TIMEOUT = -1,
+	E_NO_STREAM_SOCKET = -2,
+	E_HOSTNAME_INVALID = -3,
+	E_NO_CONNECT = -4,
+	E_NO_THREAD = -5,
+	E_NOT_ADDED = -6, // unused since v2.0
+	E_ALREADY_CONNECTED = -7,
+	E_NOT_CONNECTED = -8,
+	E_INVALID_PARAMETER = -9, // error response from device
+	E_NOT_SUPPORTED = -10, // error response from device
+	E_UNKNOWN_ERROR_CODE = -11 // error response from device
+};
+
+#ifdef IPCON_EXPOSE_INTERNALS
+
+typedef struct _Socket Socket;
+
+typedef struct {
+#ifdef _WIN32
+	CRITICAL_SECTION handle;
+#else
+	pthread_mutex_t handle;
+#endif
+} Mutex;
+
+void mutex_create(Mutex *mutex);
+
+void mutex_destroy(Mutex *mutex);
+
+void mutex_lock(Mutex *mutex);
+
+void mutex_unlock(Mutex *mutex);
+
+typedef struct {
+#ifdef _WIN32
+	HANDLE handle;
+#else
+	pthread_cond_t condition;
+	pthread_mutex_t mutex;
+	bool flag;
+#endif
+} Event;
+
+typedef struct {
+#ifdef _WIN32
+	HANDLE handle;
+#else
+	sem_t object;
+	sem_t *pointer;
+#endif
+} Semaphore;
+
+typedef void (*ThreadFunction)(void *opaque);
+
+typedef struct {
+#ifdef _WIN32
+	HANDLE handle;
+	DWORD id;
+#else
+	pthread_t handle;
+#endif
+	ThreadFunction function;
+	void *opaque;
+} Thread;
+
+typedef struct {
+	Mutex mutex;
+	int used;
+	int allocated;
+	uint32_t *keys;
+	void **values;
+} Table;
+
+typedef struct _QueueItem {
+	struct _QueueItem *next;
+	int kind;
+	void *data;
+	int length;
+} QueueItem;
+
+typedef struct {
+	Mutex mutex;
+	Semaphore semaphore;
+	QueueItem *head;
+	QueueItem *tail;
+} Queue;
+
+#if defined _MSC_VER || defined __BORLANDC__
+	#pragma pack(push)
+	#pragma pack(1)
+	#define ATTRIBUTE_PACKED
+#elif defined __GNUC__
+	#ifdef _WIN32
+		// workaround struct packing bug in GCC 4.7 on Windows
+		// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
+		#define ATTRIBUTE_PACKED __attribute__((gcc_struct, packed))
+	#else
+		#define ATTRIBUTE_PACKED __attribute__((packed))
+	#endif
+#else
+	#error unknown compiler, do not know how to enable struct packing
+#endif
+
+typedef struct {
+	uint32_t uid;
+	uint8_t length;
+	uint8_t function_id;
+	uint8_t sequence_number_and_options;
+	uint8_t error_code_and_future_use;
+} ATTRIBUTE_PACKED PacketHeader;
+
+typedef struct {
+	PacketHeader header;
+	uint8_t payload[64];
+	uint8_t optional_data[8];
+} ATTRIBUTE_PACKED Packet;
+
+#if defined _MSC_VER || defined __BORLANDC__
+	#pragma pack(pop)
+#endif
+#undef ATTRIBUTE_PACKED
+
+#endif // IPCON_EXPOSE_INTERNALS
+
+typedef struct _IPConnection IPConnection;
+typedef struct _IPConnectionPrivate IPConnectionPrivate;
+typedef struct _Device Device;
+typedef struct _DevicePrivate DevicePrivate;
+
+#ifdef IPCON_EXPOSE_INTERNALS
+
+typedef struct _CallbackContext CallbackContext;
+
+#endif
+
+typedef void (*EnumerateCallbackFunction)(const char *uid,
+                                          const char *connected_uid,
+                                          char position,
+                                          uint8_t hardware_version[3],
+                                          uint8_t firmware_version[3],
+                                          uint16_t device_identifier,
+                                          uint8_t enumeration_type,
+                                          void *user_data);
+typedef void (*ConnectedCallbackFunction)(uint8_t connect_reason,
+                                          void *user_data);
+typedef void (*DisconnectedCallbackFunction)(uint8_t disconnect_reason,
+                                             void *user_data);
+
+#ifdef IPCON_EXPOSE_INTERNALS
+
+typedef void (*CallbackWrapperFunction)(DevicePrivate *device_p, Packet *packet);
+
+#endif
+
+/**
+ * \internal
+ */
+struct _Device {
+	DevicePrivate *p;
+};
+
+#ifdef IPCON_EXPOSE_INTERNALS
+
+#define DEVICE_NUM_FUNCTION_IDS 256
+
+/**
+ * \internal
+ */
+struct _DevicePrivate {
+	uint32_t uid;
+
+	IPConnectionPrivate *ipcon_p;
+
+	uint8_t api_version[3];
+
+	Mutex request_mutex;
+
+	uint8_t expected_response_function_id; // protected by request_mutex
+	uint8_t expected_response_sequence_number; // protected by request_mutex
+	Mutex response_mutex;
+	Packet response_packet; // protected by response_mutex
+	Event response_event;
+	int response_expected[DEVICE_NUM_FUNCTION_IDS];
+
+	void *registered_callbacks[DEVICE_NUM_FUNCTION_IDS];
+	void *registered_callback_user_data[DEVICE_NUM_FUNCTION_IDS];
+	CallbackWrapperFunction callback_wrappers[DEVICE_NUM_FUNCTION_IDS];
+};
+
+/**
+ * \internal
+ */
+enum {
+	DEVICE_RESPONSE_EXPECTED_INVALID_FUNCTION_ID = 0,
+	DEVICE_RESPONSE_EXPECTED_ALWAYS_TRUE, // getter
+	DEVICE_RESPONSE_EXPECTED_ALWAYS_FALSE, // callback
+	DEVICE_RESPONSE_EXPECTED_TRUE, // setter
+	DEVICE_RESPONSE_EXPECTED_FALSE // setter, default
+};
+
+/**
+ * \internal
+ */
+void device_create(Device *device, const char *uid,
+                   IPConnectionPrivate *ipcon_p, uint8_t api_version_major,
+                   uint8_t api_version_minor, uint8_t api_version_release);
+
+/**
+ * \internal
+ */
+void device_destroy(Device *device);
+
+/**
+ * \internal
+ */
+int device_get_response_expected(DevicePrivate *device_p, uint8_t function_id,
+                                 bool *ret_response_expected);
+
+/**
+ * \internal
+ */
+int device_set_response_expected(DevicePrivate *device_p, uint8_t function_id,
+                                 bool response_expected);
+
+/**
+ * \internal
+ */
+int device_set_response_expected_all(DevicePrivate *device_p, bool response_expected);
+
+/**
+ * \internal
+ */
+void device_register_callback(DevicePrivate *device_p, uint8_t id, void *callback,
+                              void *user_data);
+
+/**
+ * \internal
+ */
+int device_get_api_version(DevicePrivate *device_p, uint8_t ret_api_version[3]);
+
+/**
+ * \internal
+ */
+int device_send_request(DevicePrivate *device_p, Packet *request, Packet *response);
+
+#endif // IPCON_EXPOSE_INTERNALS
+
+/**
+ * \ingroup IPConnection
+ *
+ * Possible IDs for ipcon_register_callback.
+ */
+enum {
+	IPCON_CALLBACK_ENUMERATE = 253,
+	IPCON_CALLBACK_CONNECTED = 0,
+	IPCON_CALLBACK_DISCONNECTED = 1
+};
+
+/**
+ * \ingroup IPConnection
+ *
+ * Possible values for enumeration_type parameter of EnumerateCallback.
+ */
+enum {
+	IPCON_ENUMERATION_TYPE_AVAILABLE = 0,
+	IPCON_ENUMERATION_TYPE_CONNECTED = 1,
+	IPCON_ENUMERATION_TYPE_DISCONNECTED = 2
+};
+
+/**
+ * \ingroup IPConnection
+ *
+ * Possible values for connect_reason parameter of ConnectedCallback.
+ */
+enum {
+	IPCON_CONNECT_REASON_REQUEST = 0,
+	IPCON_CONNECT_REASON_AUTO_RECONNECT = 1
+};
+
+/**
+ * \ingroup IPConnection
+ *
+ * Possible values for disconnect_reason parameter of DisconnectedCallback.
+ */
+enum {
+	IPCON_DISCONNECT_REASON_REQUEST = 0,
+	IPCON_DISCONNECT_REASON_ERROR = 1,
+	IPCON_DISCONNECT_REASON_SHUTDOWN = 2
+};
+
+/**
+ * \ingroup IPConnection
+ *
+ * Possible return values of ipcon_get_connection_state.
+ */
+enum {
+	IPCON_CONNECTION_STATE_DISCONNECTED = 0,
+	IPCON_CONNECTION_STATE_CONNECTED = 1,
+	IPCON_CONNECTION_STATE_PENDING = 2 // auto-reconnect in progress
+};
+
+/**
+ * \internal
+ */
+struct _IPConnection {
+	IPConnectionPrivate *p;
+};
+
+#ifdef IPCON_EXPOSE_INTERNALS
+
+#define IPCON_NUM_CALLBACK_IDS 256
+
+/**
+ * \internal
+ */
+struct _IPConnectionPrivate {
+#ifdef _WIN32
+	bool wsa_startup_done; // protected by socket_mutex
+#endif
+
+	char *host;
+	uint16_t port;
+
+	uint32_t timeout; // in msec
+
+	bool auto_reconnect;
+	bool auto_reconnect_allowed;
+	bool auto_reconnect_pending;
+
+	Mutex sequence_number_mutex;
+	uint8_t next_sequence_number; // protected by sequence_number_mutex
+
+	Table devices;
+
+	void *registered_callbacks[IPCON_NUM_CALLBACK_IDS];
+	void *registered_callback_user_data[IPCON_NUM_CALLBACK_IDS];
+
+	Mutex socket_mutex;
+	Socket *socket; // protected by socket_mutex
+	uint64_t socket_id; // protected by socket_mutex
+
+	bool receive_flag;
+	Thread receive_thread; // protected by socket_mutex
+
+	CallbackContext *callback;
+
+	bool disconnect_probe_flag;
+	Thread disconnect_probe_thread; // protected by socket_mutex
+	Event disconnect_probe_event;
+
+	Semaphore wait;
+};
+
+#endif // IPCON_EXPOSE_INTERNALS
+
+/**
+ * \ingroup IPConnection
+ *
+ * Creates an IP Connection object that can be used to enumerate the available
+ * devices. It is also required for the constructor of Bricks and Bricklets.
+ */
+void ipcon_create(IPConnection *ipcon);
+
+/**
+ * \ingroup IPConnection
+ *
+ * Destroys the IP Connection object. Calls ipcon_disconnect internally.
+ * The connection to the Brick Daemon gets closed and the threads of the
+ * IP Connection are terminated.
+ */
+void ipcon_destroy(IPConnection *ipcon);
+
+/**
+ * \ingroup IPConnection
+ *
+ * Creates a TCP/IP connection to the given \c host and c\ port. The host and
+ * port can point to a Brick Daemon or to a WIFI/Ethernet Extension.
+ *
+ * Devices can only be controlled when the connection was established
+ * successfully.
+ *
+ * Blocks until the connection is established and returns an error code if
+ * there is no Brick Daemon or WIFI/Ethernet Extension listening at the given
+ * host and port.
+ */
+int ipcon_connect(IPConnection *ipcon, const char *host, uint16_t port);
+
+/**
+ * \ingroup IPConnection
+ *
+ * Disconnects the TCP/IP connection from the Brick Daemon or the WIFI/Ethernet
+ * Extension.
+ */
+int ipcon_disconnect(IPConnection *ipcon);
+
+/**
+ * \ingroup IPConnection
+ *
+ * Can return the following states:
+ *
+ * - IPCON_CONNECTION_STATE_DISCONNECTED: No connection is established.
+ * - IPCON_CONNECTION_STATE_CONNECTED: A connection to the Brick Daemon or
+ *   the WIFI/Ethernet Extension is established.
+ * - IPCON_CONNECTION_STATE_PENDING: IP Connection is currently trying to
+ *   connect.
+ */
+int ipcon_get_connection_state(IPConnection *ipcon);
+
+/**
+ * \ingroup IPConnection
+ *
+ * Enables or disables auto-reconnect. If auto-reconnect is enabled,
+ * the IP Connection will try to reconnect to the previously given
+ * host and port, if the connection is lost.
+ *
+ * Default value is *true*.
+ */
+void ipcon_set_auto_reconnect(IPConnection *ipcon, bool auto_reconnect);
+
+/**
+ * \ingroup IPConnection
+ *
+ * Returns *true* if auto-reconnect is enabled, *false* otherwise.
+ */
+bool ipcon_get_auto_reconnect(IPConnection *ipcon);
+
+/**
+ * \ingroup IPConnection
+ *
+ * Sets the timeout in milliseconds for getters and for setters for which the
+ * response expected flag is activated.
+ *
+ * Default timeout is 2500.
+ */
+void ipcon_set_timeout(IPConnection *ipcon, uint32_t timeout);
+
+/**
+ * \ingroup IPConnection
+ *
+ * Returns the timeout as set by ipcon_set_timeout.
+ */
+uint32_t ipcon_get_timeout(IPConnection *ipcon);
+
+/**
+ * \ingroup IPConnection
+ *
+ * Broadcasts an enumerate request. All devices will respond with an enumerate
+ * callback.
+ */
+int ipcon_enumerate(IPConnection *ipcon);
+
+/**
+ * \ingroup IPConnection
+ *
+ * Stops the current thread until ipcon_unwait is called.
+ *
+ * This is useful if you rely solely on callbacks for events, if you want
+ * to wait for a specific callback or if the IP Connection was created in
+ * a thread.
+ *
+ * ipcon_wait and ipcon_unwait act in the same way as "acquire" and "release"
+ * of a semaphore.
+ */
+void ipcon_wait(IPConnection *ipcon);
+
+/**
+ * \ingroup IPConnection
+ *
+ * Unwaits the thread previously stopped by ipcon_wait.
+ *
+ * ipcon_wait and ipcon_unwait act in the same way as "acquire" and "release"
+ * of a semaphore.
+ */
+void ipcon_unwait(IPConnection *ipcon);
+
+/**
+ * \ingroup IPConnection
+ *
+ * Registers a callback for a given ID.
+ */
+void ipcon_register_callback(IPConnection *ipcon, uint8_t id,
+                             void *callback, void *user_data);
+
+#ifdef IPCON_EXPOSE_INTERNALS
+
+/**
+ * \internal
+ */
+int packet_header_create(PacketHeader *header, uint8_t length,
+                         uint8_t function_id, IPConnectionPrivate *ipcon_p,
+                         DevicePrivate *device_p);
+
+/**
+ * \internal
+ */
+uint8_t packet_header_get_sequence_number(PacketHeader *header);
+
+/**
+ * \internal
+ */
+void packet_header_set_sequence_number(PacketHeader *header,
+                                       uint8_t sequence_number);
+
+/**
+ * \internal
+ */
+uint8_t packet_header_get_response_expected(PacketHeader *header);
+
+/**
+ * \internal
+ */
+void packet_header_set_response_expected(PacketHeader *header,
+                                         uint8_t response_expected);
+
+/**
+ * \internal
+ */
+uint8_t packet_header_get_error_code(PacketHeader *header);
+
+/**
+ * \internal
+ */
+int16_t leconvert_int16_to(int16_t native);
+
+/**
+ * \internal
+ */
+uint16_t leconvert_uint16_to(uint16_t native);
+
+/**
+ * \internal
+ */
+int32_t leconvert_int32_to(int32_t native);
+
+/**
+ * \internal
+ */
+uint32_t leconvert_uint32_to(uint32_t native);
+
+/**
+ * \internal
+ */
+int64_t leconvert_int64_to(int64_t native);
+
+/**
+ * \internal
+ */
+uint64_t leconvert_uint64_to(uint64_t native);
+
+/**
+ * \internal
+ */
+float leconvert_float_to(float native);
+
+/**
+ * \internal
+ */
+int16_t leconvert_int16_from(int16_t little);
+
+/**
+ * \internal
+ */
+uint16_t leconvert_uint16_from(uint16_t little);
+
+/**
+ * \internal
+ */
+int32_t leconvert_int32_from(int32_t little);
+
+/**
+ * \internal
+ */
+uint32_t leconvert_uint32_from(uint32_t little);
+
+/**
+ * \internal
+ */
+int64_t leconvert_int64_from(int64_t little);
+
+/**
+ * \internal
+ */
+uint64_t leconvert_uint64_from(uint64_t little);
+
+/**
+ * \internal
+ */
+float leconvert_float_from(float little);
+
+#endif // IPCON_EXPOSE_INTERNALS
+
+#endif

deploy/hyperion.tar.gz.REMOVED.git-id

@@ -1 +1 @@
-08d42deff1de4c4296e4c6e22c783a0096ed3396
+d61b685eca164580cb39eb5bc3cf65b89afad410

effects/snake.json

@@ -0,0 +1,10 @@
+{
+	"name" : "Snake",
+	"script" : "snake.py",
+	"args" :
+	{
+		"rotation-time" : 10.0,
+		"color" : [255, 0, 0],
+		"percentage" : 25
+	}
+}

effects/snake.py

@@ -0,0 +1,41 @@
+import hyperion
+import time
+import colorsys
+
+# Get the parameters
+rotationTime = float(hyperion.args.get('rotation-time', 10.0))
+color = hyperion.args.get('color', (255,0,0))
+percentage = int(hyperion.args.get('percentage', 10))
+
+# Check parameters
+rotationTime = max(0.1, rotationTime)
+percentage = max(1, min(percentage, 100))
+
+# Process parameters
+factor = percentage/100.0
+hsv = colorsys.rgb_to_hsv(color[0]/255.0, color[1]/255.0, color[2]/255.0)
+
+# Initialize the led data
+snakeLeds = max(1, int(hyperion.ledCount*factor))
+ledData = bytearray()
+
+for i in range(hyperion.ledCount-snakeLeds):
+	ledData += bytearray((0, 0, 0))
+
+for i in range(1,snakeLeds+1):
+	rgb = colorsys.hsv_to_rgb(hsv[0], hsv[1], hsv[2]/i)
+	ledData += bytearray((int(rgb[0]*255), int(rgb[1]*255), int(rgb[2]*255)))
+
+# Calculate the sleep time and rotation increment
+increment = 3
+sleepTime = rotationTime / hyperion.ledCount
+while sleepTime < 0.05:
+	increment *= 2
+	sleepTime *= 2
+increment %= hyperion.ledCount
+
+# Start the write data loop
+while not hyperion.abort():
+	hyperion.setColor(ledData)
+	ledData = ledData[increment:] + ledData[:increment]
+	time.sleep(sleepTime)

include/blackborder/BlackBorderDetector.h

@@ -1,4 +1,3 @@
-
 #pragma once
 
 // Utils includes
@@ -126,7 +125,7 @@ namespace hyperion
 		inline bool isBlack(const Pixel_T & color)
 		{
 			// Return the simple compare of the color against black
-			return color.red < _blackborderThreshold && color.green < _blackborderThreshold && color.green < _blackborderThreshold;
+			return color.red < _blackborderThreshold && color.green < _blackborderThreshold && color.blue < _blackborderThreshold;
 		}
 
 	private:

include/effectengine/EffectEngine.h

@@ -55,5 +55,5 @@ private:
 
 	std::list<Effect *> _activeEffects;
 
-	PyThreadState * _mainThreadState;
+    PyThreadState * _mainThreadState;
 };

include/grabber/DispmanxWrapper.h

@@ -73,7 +73,7 @@ private:
 	const int _updateInterval_ms;
 	/// The timeout of the led colors [ms]
 	const int _timeout_ms;
-	/// The priority of the led colors [ms]
+	/// The priority of the led colors
 	const int _priority;
 
 	/// The timer for generating events with the specified update rate

include/grabber/PixelFormat.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <string>
+#include <algorithm>
+
+/**
+ * Enumeration of the possible pixel formats the grabber can be set to
+ */
+enum PixelFormat {
+	PIXELFORMAT_YUYV,
+	PIXELFORMAT_UYVY,
+	PIXELFORMAT_RGB32,
+	PIXELFORMAT_NO_CHANGE
+};
+
+inline PixelFormat parsePixelFormat(std::string pixelFormat)
+{
+	// convert to lower case
+	std::transform(pixelFormat.begin(), pixelFormat.end(), pixelFormat.begin(), ::tolower);
+
+	if (pixelFormat == "yuyv")
+	{
+		return PIXELFORMAT_YUYV;
+	}
+	else if (pixelFormat == "uyvy")
+	{
+		return PIXELFORMAT_UYVY;
+	}
+	else if (pixelFormat == "rgb32")
+	{
+		return PIXELFORMAT_RGB32;
+	}
+
+	// return the default NO_CHANGE
+	return PIXELFORMAT_NO_CHANGE;
+}

include/grabber/V4L2Grabber.h

@@ -4,34 +4,60 @@
 #include <string>
 #include <vector>
 
+// Qt includes
+#include <QObject>
+#include <QSocketNotifier>
+
 // util includes
 #include <utils/Image.h>
 #include <utils/ColorRgb.h>
+#include <utils/VideoMode.h>
+
+// grabber includes
+#include <grabber/VideoStandard.h>
+#include <grabber/PixelFormat.h>
 
 /// Capture class for V4L2 devices
 ///
 /// @see http://linuxtv.org/downloads/v4l-dvb-apis/capture-example.html
-class V4L2Grabber
+class V4L2Grabber : public QObject
 {
-public:
-	typedef void (*ImageCallback)(void * arg, const Image<ColorRgb> & image);
-
-	enum VideoStandard {
-		PAL, NTSC, NO_CHANGE
-	};
+	Q_OBJECT
 
 public:
-	V4L2Grabber(const std::string & device, int input, VideoStandard videoStandard, int width, int height, int cropHorizontal, int cropVertical, int frameDecimation, int pixelDecimation);
+	V4L2Grabber(const std::string & device,
+			int input,
+			VideoStandard videoStandard, PixelFormat pixelFormat,
+			int width,
+			int height,
+			int frameDecimation,
+			int horizontalPixelDecimation,
+			int verticalPixelDecimation);
 	virtual ~V4L2Grabber();
 
-	void setCallback(ImageCallback callback, void * arg);
+public slots:
+	void setCropping(int cropLeft,
+					 int cropRight,
+					 int cropTop,
+					 int cropBottom);
+
+	void set3D(VideoMode mode);
+
+	void setSignalThreshold(double redSignalThreshold,
+					double greenSignalThreshold,
+					double blueSignalThreshold,
+					int noSignalCounterThreshold);
 
 	void start();
 
-	void capture(int frameCount = -1);
-
 	void stop();
 
+signals:
+	void newFrame(const Image<ColorRgb> & image);
+
+private slots:
+	int read_frame();
+
 private:
 	void open_device();
 
@@ -51,8 +77,6 @@ private:
 
 	void stop_capturing();
 
-	int read_frame();
-
 	bool process_image(const void *p, int size);
 
 	void process_image(const uint8_t *p);
@@ -81,16 +105,25 @@ private:
 	int _fileDescriptor;
 	std::vector<buffer> _buffers;
 
-	uint32_t _pixelFormat;
+	PixelFormat _pixelFormat;
 	int _width;
 	int _height;
-	const int _cropWidth;
-	const int _cropHeight;
-	const int _frameDecimation;
-	const int _pixelDecimation;
+	int _frameByteSize;
+	int _cropLeft;
+	int _cropRight;
+	int _cropTop;
+	int _cropBottom;
+	int _frameDecimation;
+	int _horizontalPixelDecimation;
+	int _verticalPixelDecimation;
+	int _noSignalCounterThreshold;
+
+	ColorRgb _noSignalThresholdColor;
+
+	VideoMode _mode3D;
 
 	int _currentFrame;
+	int _noSignalCounter;
 
-	ImageCallback _callback;
-	void * _callbackArg;
+	QSocketNotifier * _streamNotifier;
 };

include/grabber/V4L2Wrapper.h

@@ -0,0 +1,74 @@
+#pragma once
+
+// Qt includes
+#include <QTimer>
+
+// Hyperion includes
+#include <hyperion/Hyperion.h>
+#include <hyperion/ImageProcessor.h>
+
+// Grabber includes
+#include <grabber/V4L2Grabber.h>
+
+class V4L2Wrapper : public QObject
+{
+	Q_OBJECT
+
+public:
+	V4L2Wrapper(const std::string & device,
+			int input,
+			VideoStandard videoStandard,
+			PixelFormat pixelFormat,
+			int width,
+			int height,
+			int frameDecimation,
+			int pixelDecimation,
+			double redSignalThreshold,
+			double greenSignalThreshold,
+			double blueSignalThreshold,
+			Hyperion * hyperion,
+			int hyperionPriority);
+	virtual ~V4L2Wrapper();
+
+public slots:
+	void start();
+
+	void stop();
+
+	void setCropping(int cropLeft,
+					 int cropRight,
+					 int cropTop,
+					 int cropBottom);
+
+	void set3D(VideoMode mode);
+
+signals:
+	void emitColors(int priority, const std::vector<ColorRgb> &ledColors, const int timeout_ms);
+
+private slots:
+	void newFrame(const Image<ColorRgb> & image);
+
+	void checkSources();
+
+private:
+	/// The timeout of the led colors [ms]
+	const int _timeout_ms;
+
+	/// The priority of the led colors
+	const int _priority;
+
+	/// The V4L2 grabber
+	V4L2Grabber _grabber;
+
+	/// The processor for transforming images to led colors
+	ImageProcessor * _processor;
+
+	/// The Hyperion instance
+	Hyperion * _hyperion;
+
+	/// The list with computed led colors
+	std::vector<ColorRgb> _ledColors;
+
+	/// Timer which tests if a higher priority source is active
+	QTimer _timer;
+};

include/grabber/VideoStandard.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <string>
+#include <algorithm>
+
+/**
+ * Enumeration of the possible video standards the grabber can be set to
+ */
+enum VideoStandard {
+	VIDEOSTANDARD_PAL,
+	VIDEOSTANDARD_NTSC,
+	VIDEOSTANDARD_NO_CHANGE
+};
+
+inline VideoStandard parseVideoStandard(std::string videoStandard)
+{
+	// convert to lower case
+	std::transform(videoStandard.begin(), videoStandard.end(), videoStandard.begin(), ::tolower);
+
+	if (videoStandard == "pal")
+	{
+		return VIDEOSTANDARD_PAL;
+	}
+	else if (videoStandard == "ntsc")
+	{
+		return VIDEOSTANDARD_NTSC;
+	}
+
+	// return the default NO_CHANGE
+	return VIDEOSTANDARD_NO_CHANGE;
+}

include/utils/ColorRgb.h

@@ -48,3 +48,16 @@ inline std::ostream& operator<<(std::ostream& os, const ColorRgb& color)
 	os << "{" << unsigned(color.red) << "," << unsigned(color.green) << "," << unsigned(color.blue) << "}";
 	return os;
 }
+
+
+/// Compare operator to check if a color is 'smaller' than another color
+inline bool operator<(const ColorRgb & lhs, const ColorRgb & rhs)
+{
+	return (lhs.red < rhs.red) && (lhs.green < rhs.green) && (lhs.blue < rhs.blue);
+}
+
+/// Compare operator to check if a color is 'smaller' than or 'equal' to another color
+inline bool operator<=(const ColorRgb & lhs, const ColorRgb & rhs)
+{
+	return (lhs.red <= rhs.red) && (lhs.green <= rhs.green) && (lhs.blue <= rhs.blue);
+}

include/utils/Image.h

@@ -13,6 +13,18 @@ public:
 
 	typedef Pixel_T pixel_type;
 
+	///
+	/// Default constructor for an image
+	///
+	Image() :
+		_width(1),
+		_height(1),
+		_pixels(new Pixel_T[2]),
+		_endOfPixels(_pixels + 1)
+	{
+		memset(_pixels, 0, 2*sizeof(Pixel_T));
+	}
+
 	///
 	/// Constructor for an image with specified width and height
 	///
@@ -22,8 +34,8 @@ public:
 	Image(const unsigned width, const unsigned height) :
 		_width(width),
 		_height(height),
-		_pixels(new Pixel_T[width*height + 1]),
-		_endOfPixels(_pixels + width*height)
+		_pixels(new Pixel_T[width * height + 1]),
+		_endOfPixels(_pixels + width * height)
 	{
 		memset(_pixels, 0, (_width*_height+1)*sizeof(Pixel_T));
 	}
@@ -38,12 +50,24 @@ public:
 	Image(const unsigned width, const unsigned height, const Pixel_T background) :
 		_width(width),
 		_height(height),
-		_pixels(new Pixel_T[width*height + 1]),
-		_endOfPixels(_pixels + width*height)
+		_pixels(new Pixel_T[width * height + 1]),
+		_endOfPixels(_pixels + width * height)
 	{
 		std::fill(_pixels, _endOfPixels, background);
 	}
 
+	///
+	/// Copy constructor for an image
+	///
+	Image(const Image & other) :
+		_width(other._width),
+		_height(other._height),
+		_pixels(new Pixel_T[other._width * other._height + 1]),
+		_endOfPixels(_pixels + other._width * other._height)
+	{
+		memcpy(_pixels, other._pixels, other._width * other._height * sizeof(Pixel_T));
+	}
+
 	///
 	/// Destructor
 	///

include/utils/VideoMode.h

@@ -1,5 +1,8 @@
 #pragma once
 
+#include <string>
+#include <algorithm>
+
 /**
  * Enumeration of the possible modes in which video can be playing (2D, 3D)
  */
@@ -9,3 +12,21 @@ enum VideoMode
 	VIDEO_3DSBS,
 	VIDEO_3DTAB
 };
+
+inline VideoMode parse3DMode(std::string videoMode)
+{
+	// convert to lower case
+	std::transform(videoMode.begin(), videoMode.end(), videoMode.begin(), ::tolower);
+
+	if (videoMode == "23DTAB")
+	{
+		return VIDEO_3DTAB;
+	}
+	else if (videoMode == "3DSBS")
+	{
+		return VIDEO_3DSBS;
+	}
+
+	// return the default 2D
+	return VIDEO_2D;
+}

libsrc/CMakeLists.txt

@@ -12,7 +12,4 @@ add_subdirectory(leddevice)
 add_subdirectory(utils)
 add_subdirectory(xbmcvideochecker)
 add_subdirectory(effectengine)
-
-if (ENABLE_DISPMANX)
-	add_subdirectory(dispmanx-grabber)
-endif (ENABLE_DISPMANX)
+add_subdirectory(grabber)

libsrc/boblightserver/CMakeLists.txt

@@ -28,9 +28,5 @@ add_library(boblightserver
 
 target_link_libraries(boblightserver
 		hyperion
-		hyperion-utils)
-
-qt4_use_modules(boblightserver
-	Core
-	Gui
-	Network)
+        hyperion-utils
+        ${QT_LIBRARIES})

libsrc/effectengine/Effect.cpp

@@ -19,9 +19,39 @@ PyMethodDef Effect::effectMethods[] = {
 	{NULL, NULL, 0, NULL}
 };
 
+#if PY_MAJOR_VERSION >= 3
+// create the hyperion module
+struct PyModuleDef Effect::moduleDef = {
+	PyModuleDef_HEAD_INIT,
+	"hyperion",            /* m_name */
+	"Hyperion module",     /* m_doc */
+	-1,                    /* m_size */
+	Effect::effectMethods, /* m_methods */
+	NULL,                  /* m_reload */
+	NULL,                  /* m_traverse */
+	NULL,                  /* m_clear */
+	NULL,                  /* m_free */
+};
 
-Effect::Effect(int priority, int timeout, const std::string & script, const Json::Value & args) :
+PyObject* Effect::PyInit_hyperion()
+{
+	return PyModule_Create(&moduleDef);
+}
+#else
+void Effect::PyInit_hyperion()
+{
+	Py_InitModule("hyperion", effectMethods);
+}
+#endif
+
+void Effect::registerHyperionExtensionModule()
+{
+	PyImport_AppendInittab("hyperion", &PyInit_hyperion);
+}
+
+Effect::Effect(PyThreadState * mainThreadState, int priority, int timeout, const std::string & script, const Json::Value & args) :
 	QThread(),
+	_mainThreadState(mainThreadState),
 	_priority(priority),
 	_timeout(timeout),
 	_script(script),
@@ -44,20 +74,26 @@ Effect::~Effect()
 
 void Effect::run()
 {
+	// switch to the main thread state and acquire the GIL
+	PyEval_RestoreThread(_mainThreadState);
+
 	// Initialize a new thread state
-	PyEval_AcquireLock(); // Get the GIL
 	_interpreterThreadState = Py_NewInterpreter();
 
-	// add methods extra builtin methods to the interpreter
-	PyObject * thisCapsule = PyCapsule_New(this, nullptr, nullptr);
-	PyObject * module = Py_InitModule4("hyperion", effectMethods, nullptr, thisCapsule, PYTHON_API_VERSION);
+	// import the buildtin Hyperion module
+	PyObject * module = PyImport_ImportModule("hyperion");
+
+	// add a capsule containing 'this' to the module to be able to retrieve the effect from the callback function
+	PyObject_SetAttrString(module, "__effectObj", PyCapsule_New(this, nullptr, nullptr));
 
 	// add ledCount variable to the interpreter
 	PyObject_SetAttrString(module, "ledCount", Py_BuildValue("i", _imageProcessor->getLedCount()));
 
 	// add a args variable to the interpreter
 	PyObject_SetAttrString(module, "args", json2python(_args));
-	//PyObject_SetAttrString(module, "args", Py_BuildValue("s", _args.c_str()));
+
+	// decref the module
+	Py_XDECREF(module);
 
 	// Set the end time if applicable
 	if (_timeout > 0)
@@ -119,19 +155,23 @@ PyObject *Effect::json2python(const Json::Value &json) const
 		return Py_BuildValue("s", json.asCString());
 	case Json::objectValue:
 	{
-		PyObject * obj = PyDict_New();
+		PyObject * dict= PyDict_New();
 		for (Json::Value::iterator i = json.begin(); i != json.end(); ++i)
 		{
-			PyDict_SetItemString(obj, i.memberName(), json2python(*i));
+			PyObject * obj = json2python(*i);
+			PyDict_SetItemString(dict, i.memberName(), obj);
+			Py_XDECREF(obj);
 		}
-		return obj;
+		return dict;
 	}
 	case Json::arrayValue:
 	{
 		PyObject * list = PyList_New(json.size());
 		for (Json::Value::iterator i = json.begin(); i != json.end(); ++i)
 		{
-			PyList_SetItem(list, i.index(), json2python(*i));
+			PyObject * obj = json2python(*i);
+			PyList_SetItem(list, i.index(), obj);
+			Py_XDECREF(obj);
 		}
 		return list;
 	}
@@ -144,7 +184,7 @@ PyObject *Effect::json2python(const Json::Value &json) const
 PyObject* Effect::wrapSetColor(PyObject *self, PyObject *args)
 {
 	// get the effect
-	Effect * effect = getEffect(self);
+	Effect * effect = getEffect();
 
 	// check if we have aborted already
 	if (effect->_abortRequested)
@@ -229,7 +269,7 @@ PyObject* Effect::wrapSetColor(PyObject *self, PyObject *args)
 PyObject* Effect::wrapSetImage(PyObject *self, PyObject *args)
 {
 	// get the effect
-	Effect * effect = getEffect(self);
+	Effect * effect = getEffect();
 
 	// check if we have aborted already
 	if (effect->_abortRequested)
@@ -292,7 +332,7 @@ PyObject* Effect::wrapSetImage(PyObject *self, PyObject *args)
 
 PyObject* Effect::wrapAbort(PyObject *self, PyObject *)
 {
-	Effect * effect = getEffect(self);
+	Effect * effect = getEffect();
 
 	// Test if the effect has reached it end time
 	if (effect->_timeout > 0 && QDateTime::currentMSecsSinceEpoch() > effect->_endTime)
@@ -303,8 +343,33 @@ PyObject* Effect::wrapAbort(PyObject *self, PyObject *)
 	return Py_BuildValue("i", effect->_abortRequested ? 1 : 0);
 }
 
-Effect * Effect::getEffect(PyObject *self)
+Effect * Effect::getEffect()
 {
-	// Get the effect from the capsule in the self pointer
-	return reinterpret_cast<Effect *>(PyCapsule_GetPointer(self, nullptr));
+	// extract the module from the runtime
+	PyObject * module = PyObject_GetAttrString(PyImport_AddModule("__main__"), "hyperion");
+
+	if (!PyModule_Check(module))
+	{
+		// something is wrong
+		Py_XDECREF(module);
+		std::cerr << "Unable to retrieve the effect object from the Python runtime" << std::endl;
+		return nullptr;
+	}
+
+	// retrieve the capsule with the effect
+	PyObject * effectCapsule = PyObject_GetAttrString(module, "__effectObj");
+	Py_XDECREF(module);
+
+	if (!PyCapsule_CheckExact(effectCapsule))
+	{
+		// something is wrong
+		Py_XDECREF(effectCapsule);
+		std::cerr << "Unable to retrieve the effect object from the Python runtime" << std::endl;
+		return nullptr;
+	}
+
+	// Get the effect from the capsule
+	Effect * effect = reinterpret_cast<Effect *>(PyCapsule_GetPointer(effectCapsule, nullptr));
+	Py_XDECREF(effectCapsule);
+	return effect;
 }

libsrc/effectengine/Effect.h

@@ -14,7 +14,7 @@ class Effect : public QThread
 	Q_OBJECT
 
 public:
-	Effect(int priority, int timeout, const std::string & script, const Json::Value & args = Json::Value());
+    Effect(PyThreadState * mainThreadState, int priority, int timeout, const std::string & script, const Json::Value & args = Json::Value());
 	virtual ~Effect();
 
 	virtual void run();
@@ -23,6 +23,9 @@ public:
 
 	bool isAbortRequested() const;
 
+    /// This function registers the extension module in Python
+    static void registerHyperionExtensionModule();
+
 public slots:
 	void abort();
 
@@ -38,13 +41,22 @@ private:
 	PyObject * json2python(const Json::Value & json) const;
 
 	// Wrapper methods for Python interpreter extra buildin methods
-	static PyMethodDef effectMethods[];
-	static PyObject* wrapSetColor(PyObject *self, PyObject *args);
+    static PyMethodDef effectMethods[];
+    static PyObject* wrapSetColor(PyObject *self, PyObject *args);
 	static PyObject* wrapSetImage(PyObject *self, PyObject *args);
 	static PyObject* wrapAbort(PyObject *self, PyObject *args);
-	static Effect * getEffect(PyObject *self);
+    static Effect * getEffect();
+
+#if PY_MAJOR_VERSION >= 3
+    static struct PyModuleDef moduleDef;
+    static PyObject* PyInit_hyperion();
+#else
+    static void PyInit_hyperion();
+#endif
 
 private:
+    PyThreadState * _mainThreadState;
+
 	const int _priority;
 
 	const int _timeout;

libsrc/effectengine/EffectEngine.cpp

@@ -54,6 +54,7 @@ EffectEngine::EffectEngine(Hyperion * hyperion, const Json::Value & jsonEffectCo
 
 	// initialize the python interpreter
 	std::cout << "Initializing Python interpreter" << std::endl;
+    Effect::registerHyperionExtensionModule();
 	Py_InitializeEx(0);
 	PyEval_InitThreads(); // Create the GIL
 	_mainThreadState = PyEval_SaveThread();
@@ -151,7 +152,7 @@ int EffectEngine::runEffectScript(const std::string &script, const Json::Value &
 	channelCleared(priority);
 
 	// create the effect
-	Effect * effect = new Effect(priority, timeout, script, args);
+    Effect * effect = new Effect(_mainThreadState, priority, timeout, script, args);
 	connect(effect, SIGNAL(setColors(int,std::vector<ColorRgb>,int,bool)), _hyperion, SLOT(setColors(int,std::vector<ColorRgb>,int,bool)), Qt::QueuedConnection);
 	connect(effect, SIGNAL(effectFinished(Effect*)), this, SLOT(effectFinished(Effect*)));
 	_activeEffects.push_back(effect);

libsrc/grabber/CMakeLists.txt

@@ -0,0 +1,8 @@
+
+if (ENABLE_DISPMANX)
+	add_subdirectory(dispmanx)
+endif (ENABLE_DISPMANX)
+
+if (ENABLE_V4L2)
+	add_subdirectory(v4l2)
+endif (ENABLE_V4L2)

libsrc/grabber/dispmanx/CMakeLists.txt

@@ -4,8 +4,8 @@ find_package(BCM REQUIRED)
 include_directories(${BCM_INCLUDE_DIRS})
 
 # Define the current source locations
-SET(CURRENT_HEADER_DIR ${CMAKE_SOURCE_DIR}/include/dispmanx-grabber)
-SET(CURRENT_SOURCE_DIR ${CMAKE_SOURCE_DIR}/libsrc/dispmanx-grabber)
+SET(CURRENT_HEADER_DIR ${CMAKE_SOURCE_DIR}/include/grabber)
+SET(CURRENT_SOURCE_DIR ${CMAKE_SOURCE_DIR}/libsrc/grabber/dispmanx)
 
 # Group the headers that go through the MOC compiler
 SET(DispmanxGrabberQT_HEADERS

libsrc/grabber/dispmanx/DispmanxWrapper.cpp

@@ -7,8 +7,8 @@
 #include <hyperion/ImageProcessorFactory.h>
 #include <hyperion/ImageProcessor.h>
 
-// Local-dispmanx includes
-#include <dispmanx-grabber/DispmanxWrapper.h>
+// Dispmanx grabber includes
+#include <grabber/DispmanxWrapper.h>
 #include "DispmanxFrameGrabber.h"
 
 

libsrc/grabber/v4l2/CMakeLists.txt

@@ -0,0 +1,32 @@
+# Define the current source locations
+SET(CURRENT_HEADER_DIR ${CMAKE_SOURCE_DIR}/include/grabber)
+SET(CURRENT_SOURCE_DIR ${CMAKE_SOURCE_DIR}/libsrc/grabber/v4l2)
+
+SET(V4L2_QT_HEADERS
+		${CURRENT_HEADER_DIR}/V4L2Grabber.h
+		${CURRENT_HEADER_DIR}/V4L2Wrapper.h
+)
+
+SET(V4L2_HEADERS
+		${CURRENT_HEADER_DIR}/VideoStandard.h
+		${CURRENT_HEADER_DIR}/PixelFormat.h
+)
+
+SET(V4L2_SOURCES
+		${CURRENT_SOURCE_DIR}/V4L2Grabber.cpp
+		${CURRENT_SOURCE_DIR}/V4L2Wrapper.cpp
+)
+
+QT4_WRAP_CPP(V4L2_HEADERS_MOC ${V4L2_QT_HEADERS})
+
+add_library(v4l2-grabber
+		${V4L2_HEADERS}
+		${V4L2_SOURCES}
+		${V4L2_QT_HEADERS}
+		${V4L2_HEADERS_MOC}
+)
+
+target_link_libraries(v4l2-grabber
+	hyperion
+	${QT_LIBRARIES}
+)

libsrc/grabber/v4l2/V4L2Grabber.cpp

@@ -14,7 +14,7 @@
 #include <sys/ioctl.h>
 #include <linux/videodev2.h>
 
-#include "V4L2Grabber.h"
+#include "grabber/V4L2Grabber.h"
 
 #define CLEAR(x) memset(&(x), 0, sizeof(x))
 
@@ -36,21 +36,36 @@ static void yuv2rgb(uint8_t y, uint8_t u, uint8_t v, uint8_t & r, uint8_t & g, u
 }
 
 
-V4L2Grabber::V4L2Grabber(const std::string &device, int input, VideoStandard videoStandard, int width, int height, int cropHorizontal, int cropVertical, int frameDecimation, int pixelDecimation) :
+V4L2Grabber::V4L2Grabber(const std::string & device,
+		int input,
+		VideoStandard videoStandard,
+		PixelFormat pixelFormat,
+		int width,
+		int height,
+		int frameDecimation,
+		int horizontalPixelDecimation,
+		int verticalPixelDecimation) :
 	_deviceName(device),
 	_ioMethod(IO_METHOD_MMAP),
 	_fileDescriptor(-1),
 	_buffers(),
-	_pixelFormat(0),
+	_pixelFormat(pixelFormat),
 	_width(width),
 	_height(height),
-	_cropWidth(cropHorizontal),
-	_cropHeight(cropVertical),
+	_frameByteSize(-1),
+	_cropLeft(0),
+	_cropRight(0),
+	_cropTop(0),
+	_cropBottom(0),
 	_frameDecimation(std::max(1, frameDecimation)),
-	_pixelDecimation(std::max(1, pixelDecimation)),
+	_horizontalPixelDecimation(std::max(1, horizontalPixelDecimation)),
+	_verticalPixelDecimation(std::max(1, verticalPixelDecimation)),
+	_noSignalCounterThreshold(50),
+	_noSignalThresholdColor(ColorRgb{0,0,0}),
+	_mode3D(VIDEO_2D),
 	_currentFrame(0),
-	_callback(nullptr),
-	_callbackArg(nullptr)
+	_noSignalCounter(0),
+	_streamNotifier(nullptr)
 {
 	open_device();
 	init_device(videoStandard, input);
@@ -58,65 +73,53 @@ V4L2Grabber::V4L2Grabber(const std::string &device, int input, VideoStandard vid
 
 V4L2Grabber::~V4L2Grabber()
 {
+	// stop if the grabber was not stopped
+	stop();
 	uninit_device();
 	close_device();
 }
 
-void V4L2Grabber::setCallback(V4L2Grabber::ImageCallback callback, void *arg)
+void V4L2Grabber::setCropping(int cropLeft, int cropRight, int cropTop, int cropBottom)
 {
-	_callback = callback;
-	_callbackArg = arg;
+	_cropLeft = cropLeft;
+	_cropRight = cropRight;
+	_cropTop = cropTop;
+	_cropBottom = cropBottom;
+}
+
+void V4L2Grabber::set3D(VideoMode mode)
+{
+	_mode3D = mode;
+}
+
+void V4L2Grabber::setSignalThreshold(double redSignalThreshold, double greenSignalThreshold, double blueSignalThreshold, int noSignalCounterThreshold)
+{
+	_noSignalThresholdColor.red = uint8_t(255*redSignalThreshold);
+	_noSignalThresholdColor.green = uint8_t(255*greenSignalThreshold);
+	_noSignalThresholdColor.blue = uint8_t(255*blueSignalThreshold);
+	_noSignalCounterThreshold = std::max(1, noSignalCounterThreshold);
+
+	std::cout << "V4L2 grabber signal threshold set to: " << _noSignalThresholdColor << std::endl;
 }
 
 void V4L2Grabber::start()
 {
-	start_capturing();
-}
-
-void V4L2Grabber::capture(int frameCount)
-{
-	for (int count = 0; count < frameCount || frameCount < 0; ++count)
+	if (_streamNotifier != nullptr && !_streamNotifier->isEnabled())
 	{
-		for (;;)
-		{
-			// the set of file descriptors for select
-			fd_set fds;
-			FD_ZERO(&fds);
-			FD_SET(_fileDescriptor, &fds);
-
-			// timeout
-			struct timeval tv;
-			tv.tv_sec = 2;
-			tv.tv_usec = 0;
-
-			// block until data is available
-			int r = select(_fileDescriptor + 1, &fds, NULL, NULL, &tv);
-
-			if (-1 == r)
-			{
-				if (EINTR == errno)
-					continue;
-				throw_errno_exception("select");
-			}
-
-			if (0 == r)
-			{
-				throw_exception("select timeout");
-			}
-
-			if (read_frame())
-			{
-				break;
-			}
-
-			/* EAGAIN - continue select loop. */
-		}
+		_streamNotifier->setEnabled(true);
+		start_capturing();
+		std::cout << "V4L2 grabber started" << std::endl;
 	}
 }
 
 void V4L2Grabber::stop()
 {
-	stop_capturing();
+	if (_streamNotifier != nullptr && _streamNotifier->isEnabled())
+	{
+		stop_capturing();
+		_streamNotifier->setEnabled(false);
+		std::cout << "V4L2 grabber stopped" << std::endl;
+	}
 }
 
 void V4L2Grabber::open_device()
@@ -145,6 +148,11 @@ void V4L2Grabber::open_device()
 		oss << "Cannot open '" << _deviceName << "'";
 		throw_errno_exception(oss.str());
 	}
+
+	// create the notifier for when a new frame is available
+	_streamNotifier = new QSocketNotifier(_fileDescriptor, QSocketNotifier::Read);
+	_streamNotifier->setEnabled(false);
+	connect(_streamNotifier, SIGNAL(activated(int)), this, SLOT(read_frame()));
 }
 
 void V4L2Grabber::close_device()
@@ -153,6 +161,12 @@ void V4L2Grabber::close_device()
 		throw_errno_exception("close");
 
 	_fileDescriptor = -1;
+
+	if (_streamNotifier != nullptr)
+	{
+		delete _streamNotifier;
+		_streamNotifier = nullptr;
+	}
 }
 
 void V4L2Grabber::init_read(unsigned int buffer_size)
@@ -334,7 +348,7 @@ void V4L2Grabber::init_device(VideoStandard videoStandard, int input)
 	// set the video standard if needed
 	switch (videoStandard)
 	{
-	case PAL:
+	case VIDEOSTANDARD_PAL:
 	{
 		v4l2_std_id std_id = V4L2_STD_PAL;
 		if (-1 == xioctl(VIDIOC_S_STD, &std_id))
@@ -343,7 +357,7 @@ void V4L2Grabber::init_device(VideoStandard videoStandard, int input)
 		}
 	}
 		break;
-	case NTSC:
+	case VIDEOSTANDARD_NTSC:
 	{
 		v4l2_std_id std_id = V4L2_STD_NTSC;
 		if (-1 == xioctl(VIDIOC_S_STD, &std_id))
@@ -352,7 +366,7 @@ void V4L2Grabber::init_device(VideoStandard videoStandard, int input)
 		}
 	}
 		break;
-	case NO_CHANGE:
+	case VIDEOSTANDARD_NO_CHANGE:
 	default:
 		// No change to device settings
 		break;
@@ -368,17 +382,25 @@ void V4L2Grabber::init_device(VideoStandard videoStandard, int input)
 		throw_errno_exception("VIDIOC_G_FMT");
 	}
 
-	// check pixel format
-	switch (fmt.fmt.pix.pixelformat)
+	// set the requested pixel format
+	switch (_pixelFormat)
 	{
-	case V4L2_PIX_FMT_UYVY:
-	case V4L2_PIX_FMT_YUYV:
-		_pixelFormat = fmt.fmt.pix.pixelformat;
+	case PIXELFORMAT_UYVY:
+		fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY;
 		break;
+	case PIXELFORMAT_YUYV:
+		fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
+		break;
+	case PIXELFORMAT_RGB32:
+		fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_RGB32;
+		break;
+	case PIXELFORMAT_NO_CHANGE:
 	default:
-		throw_exception("Only pixel formats UYVY and YUYV are supported");
+		// No change to device settings
+		break;
 	}
 
+	// set the requested withd and height
 	if (_width > 0 || _height > 0)
 	{
 		if (_width > 0)
@@ -390,19 +412,19 @@ void V4L2Grabber::init_device(VideoStandard videoStandard, int input)
 		{
 			fmt.fmt.pix.height = _height;
 		}
+	}
 
-		// set the settings
-		if (-1 == xioctl(VIDIOC_S_FMT, &fmt))
-		{
-			throw_errno_exception("VIDIOC_S_FMT");
-		}
+	// set the settings
+	if (-1 == xioctl(VIDIOC_S_FMT, &fmt))
+	{
+		throw_errno_exception("VIDIOC_S_FMT");
+	}
 
-		// get the format settings again
-		// (the size may not have been accepted without an error)
-		if (-1 == xioctl(VIDIOC_G_FMT, &fmt))
-		{
-			throw_errno_exception("VIDIOC_G_FMT");
-		}
+	// get the format settings again
+	// (the size may not have been accepted without an error)
+	if (-1 == xioctl(VIDIOC_G_FMT, &fmt))
+	{
+		throw_errno_exception("VIDIOC_G_FMT");
 	}
 
 	// store width & height
@@ -412,6 +434,28 @@ void V4L2Grabber::init_device(VideoStandard videoStandard, int input)
 	// print the eventually used width and height
 	std::cout << "V4L2 width=" << _width << " height=" << _height << std::endl;
 
+	// check pixel format and frame size
+	switch (fmt.fmt.pix.pixelformat)
+	{
+	case V4L2_PIX_FMT_UYVY:
+		_pixelFormat = PIXELFORMAT_UYVY;
+		_frameByteSize = _width * _height * 2;
+		std::cout << "V4L2 pixel format=UYVY" << std::endl;
+		break;
+	case V4L2_PIX_FMT_YUYV:
+		_pixelFormat = PIXELFORMAT_YUYV;
+		_frameByteSize = _width * _height * 2;
+		std::cout << "V4L2 pixel format=YUYV" << std::endl;
+		break;
+	case V4L2_PIX_FMT_RGB32:
+		_pixelFormat = PIXELFORMAT_RGB32;
+		_frameByteSize = _width * _height * 4;
+		std::cout << "V4L2 pixel format=RGB32" << std::endl;
+		break;
+	default:
+		throw_exception("Only pixel formats UYVY, YUYV, and RGB32 are supported");
+	}
+
 	switch (_ioMethod) {
 	case IO_METHOD_READ:
 		init_read(fmt.fmt.pix.sizeimage);
@@ -627,9 +671,9 @@ bool V4L2Grabber::process_image(const void *p, int size)
 	{
 		// We do want a new frame...
 
-		if (size != 2*_width*_height)
+		if (size != _frameByteSize)
 		{
-			std::cout << "Frame too small: " << size << " != " << (2*_width*_height) << std::endl;
+			std::cout << "Frame too small: " << size << " != " << _frameByteSize << std::endl;
 		}
 		else
 		{
@@ -644,42 +688,103 @@ bool V4L2Grabber::process_image(const void *p, int size)
 
 void V4L2Grabber::process_image(const uint8_t * data)
 {
-	int width = (_width - 2 * _cropWidth + _pixelDecimation/2) / _pixelDecimation;
-	int height = (_height - 2 * _cropHeight + _pixelDecimation/2) / _pixelDecimation;
+	int width = _width;
+	int height = _height;
 
-	Image<ColorRgb> image(width, height);
-
-	for (int ySource = _cropHeight + _pixelDecimation/2, yDest = 0; ySource < _height - _cropHeight; ySource += _pixelDecimation, ++yDest)
+	switch (_mode3D)
 	{
-		for (int xSource = _cropWidth + _pixelDecimation/2, xDest = 0; xSource < _width - _cropWidth; xSource += _pixelDecimation, ++xDest)
+	case VIDEO_3DSBS:
+		width = _width/2;
+		break;
+	case VIDEO_3DTAB:
+		height = _height/2;
+		break;
+	default:
+		break;
+	}
+
+	// create output structure
+	int outputWidth = (width - _cropLeft - _cropRight + _horizontalPixelDecimation/2) / _horizontalPixelDecimation;
+	int outputHeight = (height - _cropTop - _cropBottom + _verticalPixelDecimation/2) / _verticalPixelDecimation;
+	Image<ColorRgb> image(outputWidth, outputHeight);
+
+	for (int ySource = _cropTop + _verticalPixelDecimation/2, yDest = 0; ySource < height - _cropBottom; ySource += _verticalPixelDecimation, ++yDest)
+	{
+		for (int xSource = _cropLeft + _horizontalPixelDecimation/2, xDest = 0; xSource < width - _cropRight; xSource += _horizontalPixelDecimation, ++xDest)
 		{
-			int index = (_width * ySource + xSource) * 2;
-			uint8_t y = 0;
-			uint8_t u = 0;
-			uint8_t v = 0;
+			ColorRgb & rgb = image(xDest, yDest);
 
 			switch (_pixelFormat)
 			{
-			case V4L2_PIX_FMT_UYVY:
-				y = data[index+1];
-				u = (xSource%2 == 0) ? data[index  ] : data[index-2];
-				v = (xSource%2 == 0) ? data[index+2] : data[index  ];
+			case PIXELFORMAT_UYVY:
+				{
+					int index = (_width * ySource + xSource) * 2;
+					uint8_t y = data[index+1];
+					uint8_t u = (xSource%2 == 0) ? data[index  ] : data[index-2];
+					uint8_t v = (xSource%2 == 0) ? data[index+2] : data[index  ];
+					yuv2rgb(y, u, v, rgb.red, rgb.green, rgb.blue);
+				}
 				break;
-			case V4L2_PIX_FMT_YUYV:
-				y = data[index];
-				u = (xSource%2 == 0) ? data[index+1] : data[index-1];
-				v = (xSource%2 == 0) ? data[index+3] : data[index+1];
+			case PIXELFORMAT_YUYV:
+				{
+					int index = (_width * ySource + xSource) * 2;
+					uint8_t y = data[index];
+					uint8_t u = (xSource%2 == 0) ? data[index+1] : data[index-1];
+					uint8_t v = (xSource%2 == 0) ? data[index+3] : data[index+1];
+					yuv2rgb(y, u, v, rgb.red, rgb.green, rgb.blue);
+				}
+				break;
+			case PIXELFORMAT_RGB32:
+				{
+					int index = (_width * ySource + xSource) * 4;
+					rgb.red   = data[index  ];
+					rgb.green = data[index+1];
+					rgb.blue  = data[index+2];
+				}
+				break;
+			default:
+				// this should not be possible
 				break;
 			}
-
-			ColorRgb & rgb = image(xDest, yDest);
-			yuv2rgb(y, u, v, rgb.red, rgb.green, rgb.blue);
 		}
 	}
 
-	if (_callback != nullptr)
+	// check signal (only in center of the resulting image, because some grabbers have noise values along the borders)
+	bool noSignal = true;
+	for (unsigned x = 0; noSignal && x < (image.width()>>1); ++x)
 	{
-		(*_callback)(_callbackArg, image);
+		int xImage = (image.width()>>2) + x;
+
+		for (unsigned y = 0; noSignal && y < (image.height()>>1); ++y)
+		{
+			int yImage = (image.height()>>2) + y;
+
+			ColorRgb & rgb = image(xImage, yImage);
+			noSignal &= rgb <= _noSignalThresholdColor;
+		}
+	}
+
+	if (noSignal)
+	{
+		++_noSignalCounter;
+	}
+	else
+	{
+		if (_noSignalCounter >= _noSignalCounterThreshold)
+		{
+			std::cout << "V4L2 Grabber: " << "Signal detected" << std::endl;
+		}
+
+		_noSignalCounter = 0;
+	}
+
+	if (_noSignalCounter < _noSignalCounterThreshold)
+	{
+		emit newFrame(image);
+	}
+	else if (_noSignalCounter == _noSignalCounterThreshold)
+	{
+		std::cout << "V4L2 Grabber: " << "Signal lost" << std::endl;
 	}
 }
 

libsrc/grabber/v4l2/V4L2Wrapper.cpp

@@ -0,0 +1,117 @@
+#include <QMetaType>
+
+#include <grabber/V4L2Wrapper.h>
+
+#include <hyperion/ImageProcessorFactory.h>
+
+V4L2Wrapper::V4L2Wrapper(const std::string &device,
+		int input,
+		VideoStandard videoStandard,
+		PixelFormat pixelFormat,
+		int width,
+		int height,
+		int frameDecimation,
+		int pixelDecimation,
+		double redSignalThreshold,
+		double greenSignalThreshold,
+		double blueSignalThreshold,
+		Hyperion *hyperion,
+		int hyperionPriority) :
+	_timeout_ms(1000),
+	_priority(hyperionPriority),
+	_grabber(device,
+			input,
+			videoStandard,
+			pixelFormat,
+			width,
+			height,
+			frameDecimation,
+			pixelDecimation,
+			pixelDecimation),
+	_processor(ImageProcessorFactory::getInstance().newImageProcessor()),
+	_hyperion(hyperion),
+	_ledColors(hyperion->getLedCount(), ColorRgb{0,0,0}),
+	_timer()
+{
+	// set the signal detection threshold of the grabber
+	_grabber.setSignalThreshold(
+			redSignalThreshold,
+			greenSignalThreshold,
+			blueSignalThreshold,
+			50);
+
+	// register the image type
+	qRegisterMetaType<Image<ColorRgb>>("Image<ColorRgb>");
+	qRegisterMetaType<std::vector<ColorRgb>>("std::vector<ColorRgb>");
+
+	// Handle the image in the captured thread using a direct connection
+	QObject::connect(
+				&_grabber, SIGNAL(newFrame(Image<ColorRgb>)),
+				this, SLOT(newFrame(Image<ColorRgb>)),
+				Qt::DirectConnection);
+
+	// send color data to Hyperion using a queued connection to handle the data over to the main event loop
+	QObject::connect(
+				this, SIGNAL(emitColors(int,std::vector<ColorRgb>,int)),
+				_hyperion, SLOT(setColors(int,std::vector<ColorRgb>,int)),
+				Qt::QueuedConnection);
+
+	// setup the higher prio source checker
+	// this will disable the v4l2 grabber when a source with hisher priority is active
+	_timer.setInterval(500);
+	_timer.setSingleShot(false);
+	QObject::connect(&_timer, SIGNAL(timeout()), this, SLOT(checkSources()));
+	_timer.start();
+}
+
+V4L2Wrapper::~V4L2Wrapper()
+{
+	delete _processor;
+}
+
+void V4L2Wrapper::start()
+{
+	_grabber.start();
+}
+
+void V4L2Wrapper::stop()
+{
+	_grabber.stop();
+}
+
+void V4L2Wrapper::setCropping(int cropLeft, int cropRight, int cropTop, int cropBottom)
+{
+	_grabber.setCropping(cropLeft, cropRight, cropTop, cropBottom);
+}
+
+void V4L2Wrapper::set3D(VideoMode mode)
+{
+	_grabber.set3D(mode);
+}
+
+void V4L2Wrapper::newFrame(const Image<ColorRgb> &image)
+{
+	// process the new image
+	_processor->process(image, _ledColors);
+
+	// send colors to Hyperion
+	emit emitColors(_priority, _ledColors, _timeout_ms);
+}
+
+void V4L2Wrapper::checkSources()
+{
+	QList<int> activePriorities = _hyperion->getActivePriorities();
+
+	for (int x : activePriorities)
+	{
+		if (x < _priority)
+		{
+			// found a higher priority source: grabber should be disabled
+			_grabber.stop();
+			return;
+		}
+	}
+
+	// no higher priority source was found: grabber should be enabled
+	_grabber.start();
+}

libsrc/hyperion/ImageToLedsMap.cpp

@@ -1,4 +1,3 @@
-
 // STL includes
 #include <algorithm>
 #include <cmath>
@@ -33,17 +32,35 @@ ImageToLedsMap::ImageToLedsMap(
 
 	for (const Led& led : leds)
 	{
+		// skip leds without area
+		if ((led.maxX_frac-led.minX_frac) < 1e-6 || (led.maxY_frac-led.minY_frac) < 1e-6)
+		{
+			continue;
+		}
+		
 		// Compute the index boundaries for this led
-		const unsigned minX_idx = xOffset + unsigned(std::round((actualWidth-1)  * led.minX_frac));
-		const unsigned maxX_idx = xOffset + unsigned(std::round((actualWidth-1)  * led.maxX_frac));
-		const unsigned minY_idx = yOffset + unsigned(std::round((actualHeight-1) * led.minY_frac));
-		const unsigned maxY_idx = yOffset + unsigned(std::round((actualHeight-1) * led.maxY_frac));
+		unsigned minX_idx = xOffset + unsigned(std::round(actualWidth  * led.minX_frac));
+		unsigned maxX_idx = xOffset + unsigned(std::round(actualWidth  * led.maxX_frac));
+		unsigned minY_idx = yOffset + unsigned(std::round(actualHeight * led.minY_frac));
+		unsigned maxY_idx = yOffset + unsigned(std::round(actualHeight * led.maxY_frac));
+		
+		// make sure that the area is at least a single led large
+		minX_idx = std::min(minX_idx, xOffset + actualWidth - 1);
+		if (minX_idx == maxX_idx)
+		{
+			maxX_idx = minX_idx + 1;
+		}
+		minY_idx = std::min(minY_idx, yOffset + actualHeight - 1);
+		if (minY_idx == maxY_idx)
+		{
+			maxY_idx = minY_idx + 1;
+		}
 
 		// Add all the indices in the above defined rectangle to the indices for this led
 		std::vector<unsigned> ledColors;
-		for (unsigned y = minY_idx; y<=maxY_idx && y<height; ++y)
+		for (unsigned y = minY_idx; y<maxY_idx && y<(yOffset+actualHeight); ++y)
 		{
-			for (unsigned x = minX_idx; x<=maxX_idx && x<width; ++x)
+			for (unsigned x = minX_idx; x<maxX_idx && x<(xOffset+actualWidth); ++x)
 			{
 				ledColors.push_back(y*width + x);
 			}

libsrc/jsonserver/CMakeLists.txt

@@ -37,9 +37,5 @@ add_library(jsonserver
 target_link_libraries(jsonserver
 		hyperion
 		hyperion-utils
-		jsoncpp)
-
-qt4_use_modules(jsonserver
-	Core
-	Gui
-	Network)
+        jsoncpp
+        ${QT_LIBRARIES})

libsrc/leddevice/CMakeLists.txt

@@ -8,8 +8,8 @@ find_package(libusb-1.0 REQUIRED)
 find_package(Threads REQUIRED)
 
 include_directories(
-	../../include/hidapi
-	${LIBUSB_1_INCLUDE_DIRS}) # for Lightpack device
+		../../include/hidapi
+		${LIBUSB_1_INCLUDE_DIRS}) # for Lightpack device
 
 # Group the headers that go through the MOC compiler
 SET(Leddevice_QT_HEADERS
@@ -28,8 +28,7 @@ SET(Leddevice_HEADERS
 		${CURRENT_SOURCE_DIR}/LedDevicePiBlaster.h
 		${CURRENT_SOURCE_DIR}/LedDeviceSedu.h
 		${CURRENT_SOURCE_DIR}/LedDeviceTest.h
-		${CURRENT_SOURCE_DIR}/LedDeviceWs2812b.h
-		${CURRENT_SOURCE_DIR}/LedDeviceWs2811.h
+		${CURRENT_SOURCE_DIR}/LedDeviceHyperionUsbasp.h
 )
 
 SET(Leddevice_SOURCES
@@ -44,8 +43,7 @@ SET(Leddevice_SOURCES
 		${CURRENT_SOURCE_DIR}/LedDevicePiBlaster.cpp
 		${CURRENT_SOURCE_DIR}/LedDeviceSedu.cpp
 		${CURRENT_SOURCE_DIR}/LedDeviceTest.cpp
-		${CURRENT_SOURCE_DIR}/LedDeviceWs2811.cpp
-		${CURRENT_SOURCE_DIR}/LedDeviceWs2812b.cpp
+		${CURRENT_SOURCE_DIR}/LedDeviceHyperionUsbasp.cpp
 )
 
 if(ENABLE_SPIDEV)
@@ -67,6 +65,17 @@ if(ENABLE_SPIDEV)
 	)
 endif(ENABLE_SPIDEV)
 
+if(ENABLE_TINKERFORGE)
+	SET(Leddevice_HEADERS
+			${Leddevice_HEADERS}
+			${CURRENT_SOURCE_DIR}/LedDeviceTinkerforge.h
+	)
+	SET(Leddevice_SOURCES
+			${Leddevice_SOURCES}
+			${CURRENT_SOURCE_DIR}/LedDeviceTinkerforge.cpp
+	)
+endif(ENABLE_TINKERFORGE)
+
 
 QT4_WRAP_CPP(Leddevice_HEADERS_MOC ${Leddevice_QT_HEADERS})
 
@@ -78,12 +87,17 @@ add_library(leddevice
 )
 
 target_link_libraries(leddevice
-		hyperion-utils
-		serialport
-		${LIBUSB_1_LIBRARIES} #apt-get install libusb-1.0-0-dev
-		${CMAKE_THREAD_LIBS_INIT}
-		${QT_LIBRARIES}
+	hyperion-utils
+	serialport
+	${LIBUSB_1_LIBRARIES} #apt-get install libusb-1.0-0-dev
+	${CMAKE_THREAD_LIBS_INIT}
+	${QT_LIBRARIES}
 )
+
+if(ENABLE_TINKERFORGE)
+	target_link_libraries(leddevice tinkerforge)
+endif()
+
 if(APPLE)
 	target_link_libraries(leddevice hidapi-mac)
 else()

libsrc/leddevice/LedDeviceFactory.cpp

@@ -1,3 +1,6 @@
+// Stl includes
+#include <string>
+#include <algorithm>
 
 // Build configuration
 #include <HyperionConfig.h>
@@ -13,6 +16,10 @@
 	#include "LedDeviceWs2801.h"
 #endif
 
+#ifdef ENABLE_TINKERFORGE
+	#include "LedDeviceTinkerforge.h"
+#endif
+
 #include "LedDeviceAdalight.h"
 #include "LedDeviceLightpack.h"
 #include "LedDeviceMultiLightpack.h"
@@ -20,8 +27,7 @@
 #include "LedDevicePiBlaster.h"
 #include "LedDeviceSedu.h"
 #include "LedDeviceTest.h"
-#include "LedDeviceWs2811.h"
-#include "LedDeviceWs2812b.h"
+#include "LedDeviceHyperionUsbasp.h"
 
 LedDevice * LedDeviceFactory::construct(const Json::Value & deviceConfig)
 {
@@ -84,23 +90,20 @@ LedDevice * LedDeviceFactory::construct(const Json::Value & deviceConfig)
 		device = deviceWs2801;
 	}
 #endif
-//      else if (type == "ws2811")
-//      {
-//              const std::string output       = deviceConfig["output"].asString();
-//              const std::string outputSpeed  = deviceConfig["output"].asString();
-//              const std::string timingOption = deviceConfig["timingOption"].asString();
+#ifdef ENABLE_TINKERFORGE
+	else if (type=="tinkerforge")
+	{
+		const std::string host 	= deviceConfig.get("output", "127.0.0.1").asString();
+		const uint16_t port 		= deviceConfig.get("port", 4223).asInt();
+		const std::string  uid		= deviceConfig["uid"].asString();
+		const unsigned rate 	= deviceConfig["rate"].asInt();
 
-//              ws2811::SpeedMode speedMode = (outputSpeed == "high")? ws2811::highspeed : ws2811::lowspeed;
-//              if (outputSpeed != "high" && outputSpeed != "low")
-//              {
-//                      std::cerr << "Incorrect speed-mode selected for WS2811: " << outputSpeed << " != {'high', 'low'}" << std::endl;
-//              }
+		LedDeviceTinkerforge* deviceTinkerforge = new LedDeviceTinkerforge(host, port, uid, rate);
+		deviceTinkerforge->open();
 
-//              LedDeviceWs2811 * deviceWs2811 = new LedDeviceWs2811(output, ws2811::fromString(timingOption, ws2811::option_2855), speedMode);
-//              deviceWs2811->open();
-
-//              device = deviceWs2811;
-//      }
+		device = deviceTinkerforge;
+	}
+#endif
 	else if (type == "lightpack")
 	{
 		const std::string output = deviceConfig.get("output", "").asString();
@@ -144,18 +147,23 @@ LedDevice * LedDeviceFactory::construct(const Json::Value & deviceConfig)
 
 		device = deviceSedu;
 	}
+	else if (type == "hyperion-usbasp-ws2801")
+	{
+			LedDeviceHyperionUsbasp * deviceHyperionUsbasp = new LedDeviceHyperionUsbasp(LedDeviceHyperionUsbasp::CMD_WRITE_WS2801);
+			deviceHyperionUsbasp->open();
+			device = deviceHyperionUsbasp;
+	}
+	else if (type == "hyperion-usbasp-ws2812")
+	{
+			LedDeviceHyperionUsbasp * deviceHyperionUsbasp = new LedDeviceHyperionUsbasp(LedDeviceHyperionUsbasp::CMD_WRITE_WS2812);
+			deviceHyperionUsbasp->open();
+			device = deviceHyperionUsbasp;
+	}
 	else if (type == "test")
 	{
 		const std::string output = deviceConfig["output"].asString();
 		device = new LedDeviceTest(output);
 	}
-	else if (type == "ws2812b")
-	{
-			LedDeviceWs2812b * deviceWs2812b = new LedDeviceWs2812b();
-			deviceWs2812b->open();
-
-			device = deviceWs2812b;
-	}
 	else
 	{
 		std::cout << "Unable to create device " << type << std::endl;

libsrc/leddevice/LedDeviceHyperionUsbasp.cpp

@@ -0,0 +1,205 @@
+// stl includes
+#include <exception>
+#include <cstring>
+
+// Local Hyperion includes
+#include "LedDeviceHyperionUsbasp.h"
+
+// Static constants which define the Hyperion Usbasp device
+uint16_t LedDeviceHyperionUsbasp::_usbVendorId = 0x16c0;
+uint16_t LedDeviceHyperionUsbasp::_usbProductId = 0x05dc;
+std::string LedDeviceHyperionUsbasp::_usbProductDescription = "Hyperion led controller";
+
+
+LedDeviceHyperionUsbasp::LedDeviceHyperionUsbasp(uint8_t writeLedsCommand) :
+	LedDevice(),
+	_writeLedsCommand(writeLedsCommand),
+	_libusbContext(nullptr),
+	_deviceHandle(nullptr),
+	_ledCount(256)
+{
+}
+
+LedDeviceHyperionUsbasp::~LedDeviceHyperionUsbasp()
+{
+	if (_deviceHandle != nullptr)
+	{
+		libusb_release_interface(_deviceHandle, 0);
+		libusb_attach_kernel_driver(_deviceHandle, 0);
+		libusb_close(_deviceHandle);
+
+		_deviceHandle = nullptr;
+	}
+
+	if (_libusbContext != nullptr)
+	{
+		libusb_exit(_libusbContext);
+		_libusbContext = nullptr;
+	}
+}
+
+int LedDeviceHyperionUsbasp::open()
+{
+	int error;
+
+	// initialize the usb context
+	if ((error = libusb_init(&_libusbContext)) != LIBUSB_SUCCESS)
+	{
+		std::cerr << "Error while initializing USB context(" << error << "): " << libusb_error_name(error) << std::endl;
+		_libusbContext = nullptr;
+		return -1;
+	}
+	//libusb_set_debug(_libusbContext, 3);
+	std::cout << "USB context initialized" << std::endl;
+
+	// retrieve the list of usb devices
+	libusb_device ** deviceList;
+	ssize_t deviceCount = libusb_get_device_list(_libusbContext, &deviceList);
+
+	// iterate the list of devices
+	for (ssize_t i = 0 ; i < deviceCount; ++i)
+	{
+		// try to open and initialize the device
+		error = testAndOpen(deviceList[i]);
+
+		if (error == 0)
+		{
+			// a device was sucessfully opened. break from list
+			break;
+		}
+	}
+
+	// free the device list
+	libusb_free_device_list(deviceList, 1);
+
+	if (_deviceHandle == nullptr)
+	{
+		std::cerr << "No " << _usbProductDescription << " has been found" << std::endl;
+	}
+
+	return _deviceHandle == nullptr ? -1 : 0;
+}
+
+int LedDeviceHyperionUsbasp::testAndOpen(libusb_device * device)
+{
+	libusb_device_descriptor deviceDescriptor;
+	int error = libusb_get_device_descriptor(device, &deviceDescriptor);
+	if (error != LIBUSB_SUCCESS)
+	{
+		std::cerr << "Error while retrieving device descriptor(" << error << "): " << libusb_error_name(error) << std::endl;
+		return -1;
+	}
+
+	if (deviceDescriptor.idVendor == _usbVendorId &&
+			deviceDescriptor.idProduct == _usbProductId &&
+			deviceDescriptor.iProduct != 0 &&
+			getString(device, deviceDescriptor.iProduct) == _usbProductDescription)
+	{
+		// get the hardware address
+		int busNumber = libusb_get_bus_number(device);
+		int addressNumber = libusb_get_device_address(device);
+
+		std::cout << _usbProductDescription << " found: bus=" << busNumber << " address=" << addressNumber << std::endl;
+
+		try
+		{
+			_deviceHandle = openDevice(device);
+			std::cout << _usbProductDescription << " successfully opened" << std::endl;
+			return 0;
+		}
+		catch(int e)
+		{
+			_deviceHandle = nullptr;
+			std::cerr << "Unable to open " << _usbProductDescription << ". Searching for other device(" << e << "): " << libusb_error_name(e) << std::endl;
+		}
+	}
+
+	return -1;
+}
+
+int LedDeviceHyperionUsbasp::write(const std::vector<ColorRgb> &ledValues)
+{
+	_ledCount = ledValues.size();
+
+	int nbytes = libusb_control_transfer(
+				_deviceHandle, // device handle
+				LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_OUT, // request type
+				_writeLedsCommand, // request
+				0, // value
+				0, // index
+				(uint8_t *) ledValues.data(), // data
+				(3*_ledCount) & 0xffff, // length
+				5000); // timeout
+
+	// Disabling interupts for a little while on the device results in a PIPE error. All seems to keep functioning though...
+	if(nbytes < 0 && nbytes != LIBUSB_ERROR_PIPE)
+	{
+		std::cerr << "Error while writing data to " << _usbProductDescription << " (" << libusb_error_name(nbytes) << ")" << std::endl;
+		return -1;
+	}
+
+	return 0;
+}
+
+int LedDeviceHyperionUsbasp::switchOff()
+{
+	std::vector<ColorRgb> ledValues(_ledCount, ColorRgb::BLACK);
+	return write(ledValues);
+}
+
+libusb_device_handle * LedDeviceHyperionUsbasp::openDevice(libusb_device *device)
+{
+	libusb_device_handle * handle = nullptr;
+
+	int error = libusb_open(device, &handle);
+	if (error != LIBUSB_SUCCESS)
+	{
+		std::cerr << "unable to open device(" << error << "): " << libusb_error_name(error) << std::endl;
+		throw error;
+	}
+
+	// detach kernel driver if it is active
+	if (libusb_kernel_driver_active(handle, 0) == 1)
+	{
+		error = libusb_detach_kernel_driver(handle, 0);
+		if (error != LIBUSB_SUCCESS)
+		{
+			std::cerr << "unable to detach kernel driver(" << error << "): " << libusb_error_name(error) << std::endl;
+			libusb_close(handle);
+			throw error;
+		}
+	}
+
+	error = libusb_claim_interface(handle, 0);
+	if (error != LIBUSB_SUCCESS)
+	{
+		std::cerr << "unable to claim interface(" << error << "): " << libusb_error_name(error) << std::endl;
+		libusb_attach_kernel_driver(handle, 0);
+		libusb_close(handle);
+		throw error;
+	}
+
+	return handle;
+}
+
+std::string LedDeviceHyperionUsbasp::getString(libusb_device * device, int stringDescriptorIndex)
+{
+	libusb_device_handle * handle = nullptr;
+
+	int error = libusb_open(device, &handle);
+	if (error != LIBUSB_SUCCESS)
+	{
+		throw error;
+	}
+
+	char buffer[256];
+	error = libusb_get_string_descriptor_ascii(handle, stringDescriptorIndex, reinterpret_cast<unsigned char *>(buffer), sizeof(buffer));
+	if (error <= 0)
+	{
+		libusb_close(handle);
+		throw error;
+	}
+
+	libusb_close(handle);
+	return std::string(buffer, error);
+}

libsrc/leddevice/LedDeviceHyperionUsbasp.h

@@ -0,0 +1,88 @@
+#pragma once
+
+// stl includes
+#include <vector>
+#include <cstdint>
+#include <string>
+
+// libusb include
+#include <libusb.h>
+
+// Hyperion includes
+#include <leddevice/LedDevice.h>
+
+///
+/// LedDevice implementation for a lightpack device (http://code.google.com/p/light-pack/)
+///
+class LedDeviceHyperionUsbasp : public LedDevice
+{
+public:
+	// Commands to the Device
+	enum Commands {
+		CMD_WRITE_WS2801 = 10,
+		CMD_WRITE_WS2812 = 11
+	};
+
+	///
+	/// Constructs the LedDeviceLightpack
+	///
+	LedDeviceHyperionUsbasp(uint8_t writeLedsCommand);
+
+	///
+	/// Destructor of the LedDevice; closes the output device if it is open
+	///
+	virtual ~LedDeviceHyperionUsbasp();
+
+	///
+	/// Opens and configures the output device
+	///
+	/// @return Zero on succes else negative
+	///
+	int open();
+
+	///
+	/// Writes the RGB-Color values to the leds.
+	///
+	/// @param[in] ledValues  The RGB-color per led
+	///
+	/// @return Zero on success else negative
+	///
+	virtual int write(const std::vector<ColorRgb>& ledValues);
+
+	///
+	/// Switch the leds off
+	///
+	/// @return Zero on success else negative
+	///
+	virtual int switchOff();
+
+private:
+	///
+	/// Test if the device is a Hyperion Usbasp device
+	///
+	/// @return Zero on succes else negative
+	///
+	int testAndOpen(libusb_device * device);
+
+	static libusb_device_handle * openDevice(libusb_device * device);
+
+	static std::string getString(libusb_device * device, int stringDescriptorIndex);
+
+private:
+	/// command to write the leds
+	const uint8_t _writeLedsCommand;
+
+	/// libusb context
+	libusb_context * _libusbContext;
+
+	/// libusb device handle
+	libusb_device_handle * _deviceHandle;
+
+	/// Number of leds
+	int _ledCount;
+
+	/// Usb device identifiers
+	static uint16_t _usbVendorId;
+	static uint16_t _usbProductId;
+	static std::string _usbProductDescription;
+};

libsrc/leddevice/LedDeviceLpd6803.cpp

@@ -19,11 +19,12 @@ LedDeviceLpd6803::LedDeviceLpd6803(const std::string& outputDevice, const unsign
 
 int LedDeviceLpd6803::write(const std::vector<ColorRgb> &ledValues)
 {
+	unsigned messageLength = 4 + 2*ledValues.size() + ledValues.size()/8 + 1;
 	// Reconfigure if the current connfiguration does not match the required configuration
-	if (4 + 2*ledValues.size() != _ledBuffer.size())
+	if (messageLength != _ledBuffer.size())
 	{
 		// Initialise the buffer
-		_ledBuffer.resize(4 + 2*ledValues.size(), 0x00);
+		_ledBuffer.resize(messageLength, 0x00);
 	}
 
 	// Copy the colors from the ColorRgb vector to the Ldp6803 data vector

libsrc/leddevice/LedDeviceSedu.cpp

@@ -28,7 +28,7 @@ int LedDeviceSedu::write(const std::vector<ColorRgb> &ledValues)
 {
 	if (_ledBuffer.size() == 0)
 	{
-		std::vector<FrameSpec> frameSpecs{{0xA0, 96}, {0xA1, 256}, {0xA2, 512}, {0xB0, 768}, {0xB1, 1536}, {0xB2, 3072} };
+		std::vector<FrameSpec> frameSpecs{{0xA1, 256}, {0xA2, 512}, {0xB0, 768}, {0xB1, 1536}, {0xB2, 3072} };
 
 		const unsigned reqColorChannels = ledValues.size() * sizeof(ColorRgb);
 

libsrc/leddevice/LedDeviceTinkerforge.cpp

@@ -0,0 +1,143 @@
+
+// STL includes
+#include <cerrno>
+#include <cstring>
+
+// Local LedDevice includes
+#include "LedDeviceTinkerforge.h"
+
+static const unsigned MAX_NUM_LEDS = 320;
+static const unsigned MAX_NUM_LEDS_SETTABLE = 16;
+
+LedDeviceTinkerforge::LedDeviceTinkerforge(const std::string & host, uint16_t port, const std::string & uid, const unsigned interval) :
+		LedDevice(),
+		_host(host),
+		_port(port),
+		_uid(uid),
+		_interval(interval),
+		_ipConnection(nullptr),
+		_ledStrip(nullptr),
+		_colorChannelSize(0)
+{
+	// empty
+}
+
+LedDeviceTinkerforge::~LedDeviceTinkerforge()
+{
+	// Close the device (if it is opened)
+	if (_ipConnection != nullptr && _ledStrip != nullptr)
+	{
+		switchOff();
+	}
+
+	// Clean up claimed resources
+	delete _ipConnection;
+	delete _ledStrip;
+}
+
+int LedDeviceTinkerforge::open()
+{
+	// Check if connection is already createds
+	if (_ipConnection != nullptr)
+	{
+		std::cout << "Attempt to open existing connection; close before opening" << std::endl;
+		return -1;
+	}
+
+	// Initialise a new connection
+	_ipConnection = new IPConnection;
+	ipcon_create(_ipConnection);
+
+	int connectionStatus = ipcon_connect(_ipConnection, _host.c_str(), _port);
+	if (connectionStatus < 0) 
+	{
+		std::cerr << "Attempt to connect to master brick (" << _host << ":" << _port << ") failed with status " << connectionStatus << std::endl;
+		return -1;
+	}
+
+	// Create the 'LedStrip'
+	_ledStrip = new LEDStrip;
+	led_strip_create(_ledStrip, _uid.c_str(), _ipConnection);
+
+	int frameStatus = led_strip_set_frame_duration(_ledStrip, _interval);
+	if (frameStatus < 0) 
+	{
+		std::cerr << "Attempt to connect to led strip bricklet (led_strip_set_frame_duration()) failed with status " << frameStatus << std::endl;
+		return -1;
+	}
+
+	return 0;
+}
+
+int LedDeviceTinkerforge::write(const std::vector<ColorRgb> &ledValues)
+{
+	unsigned nrLedValues = ledValues.size();
+
+	if (nrLedValues > MAX_NUM_LEDS) 
+	{
+		std::cerr << "Invalid attempt to write led values. Not more than " << MAX_NUM_LEDS << " leds are allowed." << std::endl;
+		return -1;
+	}
+
+	if (_colorChannelSize < nrLedValues)
+	{
+		_redChannel.resize(nrLedValues, uint8_t(0));
+		_greenChannel.resize(nrLedValues, uint8_t(0));
+		_blueChannel.resize(nrLedValues, uint8_t(0));
+	}
+	_colorChannelSize = nrLedValues;
+
+	auto redIt   = _redChannel.begin();
+	auto greenIt = _greenChannel.begin();
+	auto blueIt  = _blueChannel.begin();
+
+	for (const ColorRgb &ledValue : ledValues)
+	{
+		*redIt = ledValue.red;
+		++redIt;
+		*greenIt = ledValue.green;
+		++greenIt;
+		*blueIt = ledValue.blue;
+		++blueIt;
+	}
+
+	return transferLedData(_ledStrip, 0, _colorChannelSize, _redChannel.data(), _greenChannel.data(), _blueChannel.data());
+}
+
+int LedDeviceTinkerforge::switchOff()
+{
+	std::fill(_redChannel.begin(),   _redChannel.end(),   0);
+	std::fill(_greenChannel.begin(), _greenChannel.end(), 0);
+	std::fill(_blueChannel.begin(),  _blueChannel.end(),  0);
+
+	return transferLedData(_ledStrip, 0, _colorChannelSize, _redChannel.data(), _greenChannel.data(), _blueChannel.data());
+}
+
+int LedDeviceTinkerforge::transferLedData(LEDStrip *ledStrip, unsigned index, unsigned length, uint8_t *redChannel, uint8_t *greenChannel, uint8_t *blueChannel) 
+{
+	if (length == 0 || index >= length || length > MAX_NUM_LEDS)
+	{
+		return E_INVALID_PARAMETER;
+	}
+
+	uint8_t reds[MAX_NUM_LEDS_SETTABLE];
+	uint8_t greens[MAX_NUM_LEDS_SETTABLE];
+	uint8_t blues[MAX_NUM_LEDS_SETTABLE];
+
+	for (unsigned i=index; i<length; i+=MAX_NUM_LEDS_SETTABLE)
+	{
+		const unsigned copyLength = (i + MAX_NUM_LEDS_SETTABLE > length) ? length - i : MAX_NUM_LEDS_SETTABLE;
+		memcpy(reds,   redChannel   + i,   copyLength);
+		memcpy(greens, greenChannel + i, copyLength);
+		memcpy(blues,  blueChannel  + i,  copyLength);
+
+		const int status = led_strip_set_rgb_values(ledStrip, i, copyLength, reds, greens, blues);
+		if (status != E_OK)
+		{
+			std::cerr << "Setting led values failed with status " << status << std::endl;
+			return status;
+		}
+	}
+
+	return E_OK;
+}

libsrc/leddevice/LedDeviceTinkerforge.h

@@ -0,0 +1,82 @@
+
+#pragma once
+
+// STL includes
+#include <cstdio>
+
+// Hyperion-Leddevice includes
+#include <leddevice/LedDevice.h>
+
+
+extern "C" {
+	#include <tinkerforge/ip_connection.h>
+	#include <tinkerforge/bricklet_led_strip.h>
+}
+
+class LedDeviceTinkerforge : public LedDevice
+{
+public:
+	
+	LedDeviceTinkerforge(const std::string &host, uint16_t port, const std::string &uid, const unsigned interval);
+
+	virtual ~LedDeviceTinkerforge();
+
+	///
+	/// Attempts to open a connection to the master bricklet and the led strip bricklet.
+	///
+	/// @return Zero on succes else negative
+	///
+	int open();
+
+	///
+	/// Writes the colors to the led strip bricklet
+	///
+	/// @param ledValues The color value for each led
+	///
+	/// @return Zero on success else negative
+	///
+	virtual int write(const std::vector<ColorRgb> &ledValues);
+
+	///
+	/// Switches off the leds
+	///
+	/// @return Zero on success else negative
+	///
+	virtual int switchOff();
+
+private:
+	///
+	/// Writes the data to the led strip blicklet 
+	int transferLedData(LEDStrip *ledstrip, unsigned int index, unsigned int length, uint8_t *redChannel, uint8_t *greenChannel, uint8_t *blueChannel);
+
+	/// The host of the master brick
+	const std::string _host;
+
+	/// The port of the master brick
+	const uint16_t _port;
+
+	/// The uid of the led strip bricklet
+	const std::string _uid;
+
+	/// The interval/rate
+	const unsigned _interval;
+
+	/// ip connection handle 
+	IPConnection *_ipConnection;
+
+	/// led strip handle
+	LEDStrip *_ledStrip;
+
+	/// buffer for red channel led data
+	std::vector<uint8_t> _redChannel;
+
+	/// buffer for red channel led data
+	std::vector<uint8_t> _greenChannel;
+
+	/// buffer for red channel led data
+	std::vector<uint8_t> _blueChannel;
+
+	/// buffer size of the color channels
+	unsigned int _colorChannelSize;
+
+};

libsrc/leddevice/LedDeviceWs2811.cpp

@@ -1,182 +0,0 @@
-
-// Local hyperion includes
-#include "LedDeviceWs2811.h"
-
-
-ws2811::SignalTiming ws2811::fromString(const std::string& signalTiming, const SignalTiming defaultValue)
-{
-	SignalTiming result = defaultValue;
-	if (signalTiming == "3755" || signalTiming == "option_3755")
-	{
-		result = option_3755;
-	}
-	else if (signalTiming == "3773" || signalTiming == "option_3773")
-	{
-		result = option_3773;
-	}
-	else if (signalTiming == "2855" || signalTiming == "option_2855")
-	{
-		result = option_2855;
-	}
-	else if (signalTiming == "2882" || signalTiming == "option_2882")
-	{
-		result = option_2882;
-	}
-
-	return result;
-}
-
-unsigned ws2811::getBaudrate(const SpeedMode speedMode)
-{
-	switch (speedMode)
-	{
-	case highspeed:
-		// Bit length: 125ns
-		return 8000000;
-	case lowspeed:
-		// Bit length: 250ns
-		return 4000000;
-	}
-
-	return 0;
-}
-inline unsigned ws2811::getLength(const SignalTiming timing, const TimeOption option)
-{
-	switch (timing)
-	{
-	case option_3755:
-		// Reference: http://www.mikrocontroller.net/attachment/180459/WS2812B_preliminary.pdf
-		// Unit length: 125ns
-		switch (option)
-		{
-		case T0H:
-			return 3; // 400ns +-150ns
-		case T0L:
-			return 7; // 850ns +-150ns
-		case T1H:
-			return 7; // 800ns +-150ns
-		case T1L:
-			return 3; // 450ns +-150ns
-		}
-	case option_3773:
-		// Reference: www.adafruit.com/datasheets/WS2812.pdf‎
-		// Unit length: 125ns
-		switch (option)
-		{
-		case T0H:
-			return 3; // 350ns +-150ns
-		case T0L:
-			return 7; // 800ns +-150ns
-		case T1H:
-			return 7; // 700ns +-150ns
-		case T1L:
-			return 3; // 600ns +-150ns
-		}
-	case option_2855:
-		// Reference: www.adafruit.com/datasheets/WS2811.pdf‎
-		// Unit length: 250ns
-		switch (option)
-		{
-		case T0H:
-			return 2; //  500ns +-150ns
-		case T0L:
-			return 8; // 2000ns +-150ns
-		case T1H:
-			return 5; // 1200ns +-150ns
-		case T1L:
-			return 5; // 1300ns +-150ns
-		}
-	case option_2882:
-		// Reference: www.szparkson.net/download/WS2811.pdf‎
-		// Unit length: 250ns
-		switch (option)
-		{
-		case T0H:
-			return 2; //  500ns +-150ns
-		case T0L:
-			return 8; // 2000ns +-150ns
-		case T1H:
-			return 8; // 2000ns +-150ns
-		case T1L:
-			return 2; //  500ns +-150ns
-		}
-	default:
-		std::cerr << "Unknown signal timing for ws2811: " << timing << std::endl;
-	}
-	return 0;
-}
-
-uint8_t ws2811::bitToSignal(unsigned lenHigh)
-{
-	// Sanity check on the length of the 'high' signal
-	assert(0 < lenHigh && lenHigh < 10);
-
-	uint8_t result = 0x00;
-	for (unsigned i=1; i<lenHigh; ++i)
-	{
-		result |= (1 << (8-i));
-	}
-	return result;
-}
-
-ws2811::ByteSignal ws2811::translate(SignalTiming ledOption, uint8_t byte)
-{
-	ByteSignal result;
-	result.bit_1 = bitToSignal(getLength(ledOption, (byte & 0x80)?T1H:T0H));
-	result.bit_2 = bitToSignal(getLength(ledOption, (byte & 0x40)?T1H:T0H));
-	result.bit_3 = bitToSignal(getLength(ledOption, (byte & 0x20)?T1H:T0H));
-	result.bit_4 = bitToSignal(getLength(ledOption, (byte & 0x10)?T1H:T0H));
-	result.bit_5 = bitToSignal(getLength(ledOption, (byte & 0x08)?T1H:T0H));
-	result.bit_6 = bitToSignal(getLength(ledOption, (byte & 0x04)?T1H:T0H));
-	result.bit_7 = bitToSignal(getLength(ledOption, (byte & 0x02)?T1H:T0H));
-	result.bit_8 = bitToSignal(getLength(ledOption, (byte & 0x01)?T1H:T0H));
-	return result;
-}
-
-LedDeviceWs2811::LedDeviceWs2811(
-		const std::string & outputDevice,
-		const ws2811::SignalTiming signalTiming,
-		const ws2811::SpeedMode speedMode) :
-	LedRs232Device(outputDevice, ws2811::getBaudrate(speedMode))
-{
-	fillEncodeTable(signalTiming);
-}
-
-int LedDeviceWs2811::write(const std::vector<ColorRgb> & ledValues)
-{
-	if (_ledBuffer.size() != ledValues.size() * 3)
-	{
-		_ledBuffer.resize(ledValues.size() * 3);
-	}
-
-	auto bufIt = _ledBuffer.begin();
-	for (const ColorRgb & color : ledValues)
-	{
-		*bufIt = _byteToSignalTable[color.red  ];
-		++bufIt;
-		*bufIt = _byteToSignalTable[color.green];
-		++bufIt;
-		*bufIt = _byteToSignalTable[color.blue ];
-		++bufIt;
-	}
-
-	writeBytes(_ledBuffer.size() * 3, reinterpret_cast<uint8_t *>(_ledBuffer.data()));
-
-	return 0;
-}
-
-int LedDeviceWs2811::switchOff()
-{
-	write(std::vector<ColorRgb>(_ledBuffer.size()/3, ColorRgb::BLACK));
-	return 0;
-}
-
-void LedDeviceWs2811::fillEncodeTable(const ws2811::SignalTiming ledOption)
-{
-	_byteToSignalTable.resize(256);
-	for (unsigned byteValue=0; byteValue<256; ++byteValue)
-	{
-		const uint8_t byteVal = uint8_t(byteValue);
-		_byteToSignalTable[byteValue] = ws2811::translate(ledOption, byteVal);
-	}
-}

libsrc/leddevice/LedDeviceWs2811.h

@@ -1,147 +0,0 @@
-#pragma once
-
-// STL includes
-#include <cassert>
-
-// Local hyperion includes
-#include "LedRs232Device.h"
-
-namespace ws2811
-{
-	///
-	/// Enumaration of known signal timings
-	///
-	enum SignalTiming
-	{
-		option_3755,
-		option_3773,
-		option_2855,
-		option_2882,
-		not_a_signaltiming
-	};
-
-	///
-	/// Enumaration of the possible speeds on which the ws2811 can operate.
-	///
-	enum SpeedMode
-	{
-		lowspeed,
-		highspeed
-	};
-
-	///
-	/// Enumeration of the signal 'parts' (T 0 high, T 1 high, T 0 low, T 1 low).
-	///
-	enum TimeOption
-	{
-		T0H,
-		T1H,
-		T0L,
-		T1L
-	};
-
-	///
-	/// Structure holding the signal for a signle byte
-	///
-	struct ByteSignal
-	{
-		uint8_t bit_1;
-		uint8_t bit_2;
-		uint8_t bit_3;
-		uint8_t bit_4;
-		uint8_t bit_5;
-		uint8_t bit_6;
-		uint8_t bit_7;
-		uint8_t bit_8;
-	};
-	// Make sure the structure is exatly the length we require
-	static_assert(sizeof(ByteSignal) == 8, "Incorrect sizeof ByteSignal (expected 8)");
-
-	///
-	/// Translates a string to a signal timing
-	///
-	/// @param signalTiming The string specifying the signal timing
-	/// @param defaultValue The default value (used if the string does not match any known timing)
-	///
-	/// @return The SignalTiming (or not_a_signaltiming if it did not match)
-	///
-	SignalTiming fromString(const std::string& signalTiming, const SignalTiming defaultValue);
-
-	///
-	/// Returns the required baudrate for a specific signal-timing
-	///
-	/// @param SpeedMode The WS2811/WS2812 speed mode (WS2812b only has highspeed)
-	///
-	/// @return The required baudrate for the signal timing
-	///
-	unsigned getBaudrate(const SpeedMode speedMode);
-
-	///
-	/// The number of 'signal units' (bits) For the subpart of a specific timing scheme
-	///
-	/// @param timing The controller option
-	/// @param option The signal part
-	///
-	unsigned getLength(const SignalTiming timing, const TimeOption option);
-
-	///
-	/// Constructs a 'bit' based signal with defined 'high' length (and implicite defined 'low'
-	/// length. The signal is based on a 10bits bytes (incl. high startbit and low stopbit). The
-	/// total length of the high is given as parameter:<br>
-	/// lenHigh=7 => |-------|___| => 1 1111 1100 0 => 252 (start and stop bit are implicite)
-	///
-	/// @param lenHigh The total length of the 'high' length (incl start-bit)
-	/// @return The byte representing the high-low signal
-	///
-	uint8_t bitToSignal(unsigned lenHigh);
-
-	///
-	/// Translate a byte into signal levels for a specific WS2811 option
-	///
-	/// @param ledOption The WS2811 configuration
-	/// @param byte The byte to translate
-	///
-	/// @return The signal for the given byte (one byte per bit)
-	///
-	ByteSignal translate(SignalTiming ledOption, uint8_t byte);
-}
-
-class LedDeviceWs2811 : public LedRs232Device
-{
-public:
-	///
-	/// Constructs the LedDevice with Ws2811 attached via a serial port
-	///
-	/// @param outputDevice The name of the output device (eg '/dev/ttyS0')
-	/// @param signalTiming The timing scheme used by the Ws2811 chip
-	/// @param speedMode The speed modus of the Ws2811 chip
-	///
-	LedDeviceWs2811(const std::string& outputDevice, const ws2811::SignalTiming signalTiming, const ws2811::SpeedMode speedMode);
-
-	///
-	/// Writes the led color values to the led-device
-	///
-	/// @param ledValues The color-value per led
-	/// @return Zero on succes else negative
-	///
-	virtual int write(const std::vector<ColorRgb> & ledValues);
-
-	/// Switch the leds off
-	virtual int switchOff();
-
-
-private:
-
-	///
-	/// Fill the byte encoding table (_byteToSignalTable) for the specific timing option
-	///
-	/// @param ledOption The timing option
-	///
-	void fillEncodeTable(const ws2811::SignalTiming ledOption);
-
-	/// Translation table of byte to signal///
-	std::vector<ws2811::ByteSignal> _byteToSignalTable;
-
-	/// The buffer containing the packed RGB values
-	std::vector<ws2811::ByteSignal> _ledBuffer;
-};

libsrc/leddevice/LedDeviceWs2812b.cpp

@@ -1,96 +0,0 @@
-
-// Linux includes
-#include <unistd.h>
-
-// Local Hyperion-Leddevice includes
-#include "LedDeviceWs2812b.h"
-
-LedDeviceWs2812b::LedDeviceWs2812b() :
-	LedRs232Device("/dev/ttyUSB0", 2000000)
-{
-	// empty
-}
-
-int LedDeviceWs2812b::write(const std::vector<ColorRgb> & ledValues)
-{
-	// Ensure the size of the led-buffer
-	if (_ledBuffer.size() != ledValues.size()*8)
-	{
-		_ledBuffer.resize(ledValues.size()*8, ~0x24);
-	}
-
-	// Translate the channel of each color to a signal
-	uint8_t * signal_ptr = _ledBuffer.data();
-	for (const ColorRgb & color : ledValues)
-	{
-		signal_ptr = color2signal(color, signal_ptr);
-	}
-
-	const int result = writeBytes(_ledBuffer.size(), _ledBuffer.data());
-	// Official latch time is 50us (lets give it 50us more)
-	usleep(100);
-	return result;
-}
-
-uint8_t * LedDeviceWs2812b::color2signal(const ColorRgb & color, uint8_t * signal)
-{
-	*signal = bits2Signal(color.red & 0x80, color.red & 0x40, color.red & 0x20);
-	++signal;
-	*signal = bits2Signal(color.red & 0x10, color.red & 0x08, color.red & 0x04);
-	++signal;
-	*signal = bits2Signal(color.red & 0x02, color.green & 0x01, color.green & 0x80);
-	++signal;
-	*signal = bits2Signal(color.green & 0x40, color.green & 0x20, color.green & 0x10);
-	++signal;
-	*signal = bits2Signal(color.green & 0x08, color.green & 0x04, color.green & 0x02);
-	++signal;
-	*signal = bits2Signal(color.green & 0x01, color.blue & 0x80, color.blue & 0x40);
-	++signal;
-	*signal = bits2Signal(color.blue & 0x20, color.blue & 0x10, color.blue & 0x08);
-	++signal;
-	*signal = bits2Signal(color.blue & 0x04, color.blue & 0x02, color.blue & 0x01);
-	++signal;
-
-	return signal;
-}
-
-int LedDeviceWs2812b::switchOff()
-{
-	// Set all bytes in the signal buffer to zero
-	for (uint8_t & signal : _ledBuffer)
-	{
-		signal = ~0x24;
-	}
-
-	return writeBytes(_ledBuffer.size(), _ledBuffer.data());
-}
-
-uint8_t LedDeviceWs2812b::bits2Signal(const bool bit_1, const bool bit_2, const bool bit_3) const
-{
-	// See https://github.com/tvdzwan/hyperion/wiki/Ws2812b for the explanation of the given
-	// translations
-
-	// Bit index(default):1   2   3
-	//                    |   |   |
-	// default value  (1) 00 100 10 (0)
-	//
-	// Reversed value (1) 01 001 00 (0)
-	//                    |   |   |
-	// Bit index (rev):   3   2   1
-	uint8_t result = 0x24;
-
-	if(bit_1)
-	{
-		result |= 0x01;
-	}
-	if (bit_2)
-	{
-		result |= 0x08;
-	}
-	if (bit_3)
-	{
-		result |= 0x40;
-	}
-
-	return ~result;
-}

libsrc/leddevice/LedDeviceWs2812b.h

@@ -1,60 +0,0 @@
-
-#pragma once
-
-// Hyperion leddevice includes
-#include "LedRs232Device.h"
-
-///
-/// The LedDevice for controlling a string of WS2812B leds. These are controlled over the mini-UART
-/// of the RPi (/dev/ttyAMA0).
-///
-class LedDeviceWs2812b : public LedRs232Device
-{
-public:
-	///
-	/// Constructs the device (all required parameters are hardcoded)
-	///
-	LedDeviceWs2812b();
-
-	///
-	/// Write the color data the the WS2812B led string
-	///
-	/// @param ledValues The color data
-	/// @return Zero on succes else negative
-	///
-	virtual int write(const std::vector<ColorRgb> & ledValues);
-
-	///
-	/// Write zero to all leds(that have been written by a previous write operation)
-	///
-	/// @return Zero on succes else negative
-	///
-	virtual int switchOff();
-
-private:
-
-	///
-	/// Translate a color to the signal bits. The resulting bits are written to the given memory.
-	///
-	/// @param color The color to translate
-	/// @param signal The pointer at the beginning of the signal to write
-	/// @return The pointer at the end of the written signal
-	///
-	uint8_t * color2signal(const ColorRgb & color, uint8_t * signal);
-
-	///
-	/// Translates three bits to a single byte
-	///
-	/// @param bit1 The value of the first bit (1=true, zero=false)
-	/// @param bit2 The value of the second bit (1=true, zero=false)
-	/// @param bit3 The value of the third bit (1=true, zero=false)
-	///
-	/// @return The output-byte for the given two bit
-	///
-	uint8_t bits2Signal(const bool bit1, const bool bit2, const bool bit3) const;
-
-	///
-	/// The output buffer for writing bytes to the output
-	///
-	std::vector<uint8_t> _ledBuffer;
-};

libsrc/protoserver/CMakeLists.txt

@@ -44,9 +44,5 @@ add_library(protoserver
 target_link_libraries(protoserver
 		hyperion
 		hyperion-utils
-		${PROTOBUF_LIBRARIES})
-
-qt4_use_modules(protoserver
-	Core
-	Gui
-	Network)
+        ${PROTOBUF_LIBRARIES}
+        ${QT_LIBRARIES})

src/hyperion-remote/CMakeLists.txt

@@ -28,11 +28,7 @@ add_executable(hyperion-remote
 	${hyperion-remote_HEADERS}
 	${hyperion-remote_SOURCES})
 
-qt4_use_modules(hyperion-remote
-	Core
-	Gui
-	Network)
-
 target_link_libraries(hyperion-remote
 	jsoncpp
-	getoptPlusPlus)
+    getoptPlusPlus
+    ${QT_LIBRARIES})

src/hyperion-remote/CustomParameter.h

@@ -1,5 +1,8 @@
 #pragma once
 
+// STL includes
+#include <algorithm>
+
 // Qt includes
 #include <QColor>
 #include <QImage>

src/hyperion-remote/hyperion-remote.cpp

@@ -1,8 +1,10 @@
 // stl includes
+#include <clocale>
 #include <initializer_list>
 
 // Qt includes
 #include <QCoreApplication>
+#include <QLocale>
 
 // getoptPlusPLus includes
 #include <getoptPlusPlus/getoptpp.h>
@@ -28,6 +30,10 @@ int main(int argc, char * argv[])
 {
 	QCoreApplication app(argc, argv);
 
+	// force the locale
+	setlocale(LC_ALL, "C");
+	QLocale::setDefault(QLocale::c());
+
 	try
 	{
 		// some default settings
@@ -42,8 +48,8 @@ int main(int argc, char * argv[])
 		IntParameter       & argDuration   = parameters.add<IntParameter>      ('d', "duration"  , "Specify how long the leds should be switched on in millseconds [default: infinity]");
 		ColorParameter     & argColor      = parameters.add<ColorParameter>    ('c', "color"     , "Set all leds to a constant color (either RRGGBB hex value or a color name. The color may be repeated multiple time like: RRGGBBRRGGBB)");
 		ImageParameter     & argImage      = parameters.add<ImageParameter>    ('i', "image"     , "Set the leds to the colors according to the given image file");
-		StringParameter    & argEffect     = parameters.add<StringParameter>   ('e', "effect"    , "Enable the effect with the given name");
-		StringParameter    & argEffectArgs = parameters.add<StringParameter>   (0x0, "effectArgs", "Arguments to use in combination with the specified effect. Should be a Json object string.");
+        StringParameter    & argEffect     = parameters.add<StringParameter>   ('e', "effect"    , "Enable the effect with the given name");
+        StringParameter    & argEffectArgs = parameters.add<StringParameter>   (0x0, "effectArgs", "Arguments to use in combination with the specified effect. Should be a Json object string.");
 		SwitchParameter<>  & argServerInfo = parameters.add<SwitchParameter<> >('l', "list"      , "List server info");
 		SwitchParameter<>  & argClear      = parameters.add<SwitchParameter<> >('x', "clear"     , "Clear data for the priority channel provided by the -p option");
 		SwitchParameter<>  & argClearAll   = parameters.add<SwitchParameter<> >(0x0, "clearall"  , "Clear data for all active priority channels");
@@ -77,13 +83,13 @@ int main(int argc, char * argv[])
 		bool colorTransform = argSaturation.isSet() || argValue.isSet() || argThreshold.isSet() || argGamma.isSet() || argBlacklevel.isSet() || argWhitelevel.isSet();
 
 		// check that exactly one command was given
-		int commandCount = count({argColor.isSet(), argImage.isSet(), argEffect.isSet(), argServerInfo.isSet(), argClear.isSet(), argClearAll.isSet(), colorTransform});
+        int commandCount = count({argColor.isSet(), argImage.isSet(), argEffect.isSet(), argServerInfo.isSet(), argClear.isSet(), argClearAll.isSet(), colorTransform});
 		if (commandCount != 1)
 		{
 			std::cerr << (commandCount == 0 ? "No command found." : "Multiple commands found.") << " Provide exactly one of the following options:" << std::endl;
 			std::cerr << "  " << argColor.usageLine() << std::endl;
 			std::cerr << "  " << argImage.usageLine() << std::endl;
-			std::cerr << "  " << argEffect.usageLine() << std::endl;
+            std::cerr << "  " << argEffect.usageLine() << std::endl;
 			std::cerr << "  " << argServerInfo.usageLine() << std::endl;
 			std::cerr << "  " << argClear.usageLine() << std::endl;
 			std::cerr << "  " << argClearAll.usageLine() << std::endl;
@@ -110,11 +116,11 @@ int main(int argc, char * argv[])
 		{
 			connection.setImage(argImage.getValue(), argPriority.getValue(), argDuration.getValue());
 		}
-		else if (argEffect.isSet())
-		{
-			connection.setEffect(argEffect.getValue(), argEffectArgs.getValue(), argPriority.getValue(), argDuration.getValue());
-		}
-		else if (argServerInfo.isSet())
+        else if (argEffect.isSet())
+        {
+            connection.setEffect(argEffect.getValue(), argEffectArgs.getValue(), argPriority.getValue(), argDuration.getValue());
+        }
+        else if (argServerInfo.isSet())
 		{
 			QString info = connection.getServerInfo();
 			std::cout << "Server info:\n" << info.toStdString() << std::endl;

src/hyperion-v4l2/CMakeLists.txt

@@ -14,18 +14,22 @@ include_directories(
 	${QT_INCLUDES}
 )
 
-set(Hyperion_V4L2_HEADERS
-	V4L2Grabber.h
-	ProtoConnection.h
+set(Hyperion_V4L2_QT_HEADERS
 	ImageHandler.h
+	ScreenshotHandler.h
+)
+
+set(Hyperion_V4L2_HEADERS
 	VideoStandardParameter.h
+	PixelFormatParameter.h
+	ProtoConnection.h
 )
 
 set(Hyperion_V4L2_SOURCES
 	hyperion-v4l2.cpp
-	V4L2Grabber.cpp
 	ProtoConnection.cpp
 	ImageHandler.cpp
+	ScreenshotHandler.cpp
 )
 
 set(Hyperion_V4L2_PROTOS
@@ -36,22 +40,23 @@ protobuf_generate_cpp(Hyperion_V4L2_PROTO_SRCS Hyperion_V4L2_PROTO_HDRS
 	${Hyperion_V4L2_PROTOS}
 )
 
+QT4_WRAP_CPP(Hyperion_V4L2_MOC_SOURCES ${Hyperion_V4L2_QT_HEADERS})
+
 add_executable(hyperion-v4l2
 	${Hyperion_V4L2_HEADERS}
 	${Hyperion_V4L2_SOURCES}
+	${Hyperion_V4L2_QT_HEADERS}
+	${Hyperion_V4L2_MOC_SOURCES}
 	${Hyperion_V4L2_PROTO_SRCS}
 	${Hyperion_V4L2_PROTO_HDRS}
 )
 
 target_link_libraries(hyperion-v4l2
+	v4l2-grabber
 	getoptPlusPlus
 	blackborder
 	hyperion-utils
 	${PROTOBUF_LIBRARIES}
 	pthread
+	${QT_LIBRARIES}
 )
-
-qt4_use_modules(hyperion-v4l2
-	Core
-	Gui
-	Network)

src/hyperion-v4l2/ImageHandler.cpp

@@ -1,41 +1,18 @@
 // hyperion-v4l2 includes
 #include "ImageHandler.h"
 
-ImageHandler::ImageHandler(const std::string &address, int priority, double signalThreshold, bool skipProtoReply) :
-	_priority(priority),
-	_connection(address),
-	_signalThreshold(signalThreshold),
-	_signalProcessor(100, 50, 0, uint8_t(std::min(255, std::max(0, int(255*signalThreshold)))))
+ImageHandler::ImageHandler(const std::string & address, int priority, bool skipProtoReply) :
+		_priority(priority),
+		_connection(address)
 {
 	_connection.setSkipReply(skipProtoReply);
 }
 
-void ImageHandler::receiveImage(const Image<ColorRgb> &image)
+ImageHandler::~ImageHandler()
 {
-	// check if we should do signal detection
-	if (_signalThreshold < 0)
-	{
-		_connection.setImage(image, _priority, 200);
-	}
-	else
-	{
-		if (_signalProcessor.process(image))
-		{
-			std::cout << "Signal state = " << (_signalProcessor.getCurrentBorder().unknown ? "off" : "on") << std::endl;
-		}
-
-		// consider an unknown border as no signal
-		// send the image to Hyperion if we have a signal
-		if (!_signalProcessor.getCurrentBorder().unknown)
-		{
-			_connection.setImage(image, _priority, 200);
-		}
-	}
 }
 
-void ImageHandler::imageCallback(void *arg, const Image<ColorRgb> &image)
+void ImageHandler::receiveImage(const Image<ColorRgb> & image)
 {
-	ImageHandler * handler = static_cast<ImageHandler *>(arg);
-	handler->receiveImage(image);
+	_connection.setImage(image, _priority, 1000);
 }
-

src/hyperion-v4l2/ImageHandler.h

@@ -1,34 +1,31 @@
-// blackborder includes
-#include <blackborder/BlackBorderProcessor.h>
+// Qt includes
+#include <QObject>
 
-// hyperion-v4l includes
+// hyperion includes
+#include <utils/Image.h>
+#include <utils/ColorRgb.h>
+
+// hyperion v4l2 includes
 #include "ProtoConnection.h"
 
 /// This class handles callbacks from the V4L2 grabber
-class ImageHandler
+class ImageHandler : public QObject
 {
-public:
-	ImageHandler(const std::string & address, int priority, double signalThreshold, bool skipProtoReply);
+	Q_OBJECT
 
+public:
+	ImageHandler(const std::string & address, int priority, bool skipProtoReply);
+	virtual ~ImageHandler();
+
+public slots:
 	/// Handle a single image
 	/// @param image The image to process
 	void receiveImage(const Image<ColorRgb> & image);
 
-	/// static function used to direct callbacks to a ImageHandler object
-	/// @param arg This should be an ImageHandler instance
-	/// @param image The image to process
-	static void imageCallback(void * arg, const Image<ColorRgb> & image);
-
 private:
 	/// Priority for calls to Hyperion
 	const int _priority;
 
 	/// Hyperion proto connection object
 	ProtoConnection _connection;
-
-	/// Threshold used for signal detection
-	double _signalThreshold;
-
-	/// Blackborder detector which is used as a signal detector (unknown border = no signal)
-	hyperion::BlackBorderProcessor _signalProcessor;
 };

src/hyperion-v4l2/PixelFormatParameter.h

@@ -0,0 +1,43 @@
+// getoptPlusPLus includes
+#include <getoptPlusPlus/getoptpp.h>
+
+// grabber includes
+#include <grabber/PixelFormat.h>
+
+using namespace vlofgren;
+
+/// Data parameter for the pixel format
+typedef vlofgren::PODParameter<PixelFormat> PixelFormatParameter;
+
+namespace vlofgren {
+	/// Translates a string (as passed on the commandline) to a pixel format
+	///
+	/// @param[in] s The string (as passed on the commandline)
+	/// @return The pixel format
+	/// @throws Parameter::ParameterRejected If the string did not result in a pixel format
+	template<>
+	PixelFormat PixelFormatParameter::validate(const std::string& s) throw (Parameter::ParameterRejected)
+	{
+		QString input = QString::fromStdString(s).toLower();
+
+		if (input == "yuyv")
+		{
+			return PIXELFORMAT_YUYV;
+		}
+		else if (input == "uyvy")
+		{
+			return PIXELFORMAT_UYVY;
+		}
+		else if (input == "rgb32")
+		{
+			return PIXELFORMAT_RGB32;
+		}
+		else if (input == "no-change")
+		{
+			return PIXELFORMAT_NO_CHANGE;
+		}
+
+		throw Parameter::ParameterRejected("Invalid value for pixel format. Valid values are: YUYV, UYVY, RGB32, and NO-CHANGE");
+		return PIXELFORMAT_NO_CHANGE;
+	}
+}

src/hyperion-v4l2/ScreenshotHandler.cpp

@@ -0,0 +1,25 @@
+// Qt includes
+#include <QImage>
+#include <QCoreApplication>
+
+// hyperion-v4l2 includes
+#include "ScreenshotHandler.h"
+
+ScreenshotHandler::ScreenshotHandler(const std::string & filename) :
+		_filename(filename)
+{
+}
+
+ScreenshotHandler::~ScreenshotHandler()
+{
+}
+
+void ScreenshotHandler::receiveImage(const Image<ColorRgb> & image)
+{
+	// store as PNG
+	QImage pngImage((const uint8_t *) image.memptr(), image.width(), image.height(), 3*image.width(), QImage::Format_RGB888);
+	pngImage.save(_filename.c_str());
+
+	// Quit the application after the first image
+	QCoreApplication::quit();
+}

src/hyperion-v4l2/ScreenshotHandler.h

@@ -0,0 +1,24 @@
+// Qt includes
+#include <QObject>
+
+// hyperionincludes
+#include <utils/Image.h>
+#include <utils/ColorRgb.h>
+
+/// This class handles callbacks from the V4L2 grabber
+class ScreenshotHandler : public QObject
+{
+	Q_OBJECT
+
+public:
+	ScreenshotHandler(const std::string & filename);
+	virtual ~ScreenshotHandler();
+
+public slots:
+	/// Handle a single image
+	/// @param image The image to process
+	void receiveImage(const Image<ColorRgb> & image);
+
+private:
+	const std::string _filename;
+};

src/hyperion-v4l2/VideoStandardParameter.h

@@ -1,10 +1,13 @@
 // getoptPlusPLus includes
 #include <getoptPlusPlus/getoptpp.h>
 
+// grabber includes
+#include <grabber/VideoStandard.h>
+
 using namespace vlofgren;
 
 /// Data parameter for the video standard
-typedef vlofgren::PODParameter<V4L2Grabber::VideoStandard> VideoStandardParameter;
+typedef vlofgren::PODParameter<VideoStandard> VideoStandardParameter;
 
 namespace vlofgren {
 	/// Translates a string (as passed on the commandline) to a color standard
@@ -13,24 +16,24 @@ namespace vlofgren {
 	/// @return The color standard
 	/// @throws Parameter::ParameterRejected If the string did not result in a video standard
 	template<>
-	V4L2Grabber::VideoStandard VideoStandardParameter::validate(const std::string& s) throw (Parameter::ParameterRejected)
+	VideoStandard VideoStandardParameter::validate(const std::string& s) throw (Parameter::ParameterRejected)
 	{
 		QString input = QString::fromStdString(s).toLower();
 
 		if (input == "pal")
 		{
-			return V4L2Grabber::PAL;
+			return VIDEOSTANDARD_PAL;
 		}
 		else if (input == "ntsc")
 		{
-			return V4L2Grabber::NTSC;
+			return VIDEOSTANDARD_NTSC;
 		}
 		else if (input == "no-change")
 		{
-			return V4L2Grabber::NO_CHANGE;
+			return VIDEOSTANDARD_NO_CHANGE;
 		}
 
 		throw Parameter::ParameterRejected("Invalid value for video standard. Valid values are: PAL, NTSC, and NO-CHANGE");
-		return V4L2Grabber::NO_CHANGE;
+		return VIDEOSTANDARD_NO_CHANGE;
 	}
 }

src/hyperion-v4l2/hyperion-v4l2.cpp

@@ -1,10 +1,10 @@
-
 // STL includes
 #include <csignal>
 #include <iomanip>
+#include <clocale>
 
 // QT includes
-#include <QImage>
+#include <QCoreApplication>
 
 // getoptPlusPLus includes
 #include <getoptPlusPlus/getoptpp.h>
@@ -12,11 +12,15 @@
 // blackborder includes
 #include <blackborder/BlackBorderProcessor.h>
 
+// grabber includes
+#include "grabber/V4L2Grabber.h"
+
 // hyperion-v4l2 includes
-#include "V4L2Grabber.h"
 #include "ProtoConnection.h"
 #include "VideoStandardParameter.h"
+#include "PixelFormatParameter.h"
 #include "ImageHandler.h"
+#include "ScreenshotHandler.h"
 
 using namespace vlofgren;
 
@@ -30,6 +34,15 @@ void saveScreenshot(void *, const Image<ColorRgb> & image)
 
 int main(int argc, char** argv)
 {
+	QCoreApplication app(argc, argv);
+
+	// force the locale
+	setlocale(LC_ALL, "C");
+	QLocale::setDefault(QLocale::c());
+
+	// register the image type to use in signals
+	qRegisterMetaType<Image<ColorRgb>>("Image<ColorRgb>");
+
 	try
 	{
 		// create the option parser and initialize all parameters
@@ -38,15 +51,25 @@ int main(int argc, char** argv)
 
 		StringParameter        & argDevice          = parameters.add<StringParameter>       ('d', "device",           "The device to use [default=/dev/video0]");
 		VideoStandardParameter & argVideoStandard   = parameters.add<VideoStandardParameter>('v', "video-standard",   "The used video standard. Valid values are PAL or NTSC (optional)");
+		PixelFormatParameter   & argPixelFormat     = parameters.add<PixelFormatParameter>  (0x0, "pixel-format",     "The use pixel format. Valid values are YUYV, UYVY, and RGB32 (optional)");
 		IntParameter           & argInput           = parameters.add<IntParameter>          (0x0, "input",            "Input channel (optional)");
 		IntParameter           & argWidth           = parameters.add<IntParameter>          (0x0, "width",            "Try to set the width of the video input (optional)");
 		IntParameter           & argHeight          = parameters.add<IntParameter>          (0x0, "height",           "Try to set the height of the video input (optional)");
-		IntParameter           & argCropWidth       = parameters.add<IntParameter>          (0x0, "crop-width",       "Number of pixels to crop from the left and right sides in the picture before decimation [default=0]");
-		IntParameter           & argCropHeight      = parameters.add<IntParameter>          (0x0, "crop-height",      "Number of pixels to crop from the top and the bottom in the picture before decimation [default=0]");
+		IntParameter           & argCropWidth       = parameters.add<IntParameter>          (0x0, "crop-width",       "Number of pixels to crop from the left and right sides of the picture before decimation [default=0]");
+		IntParameter           & argCropHeight      = parameters.add<IntParameter>          (0x0, "crop-height",      "Number of pixels to crop from the top and the bottom of the picture before decimation [default=0]");
+		IntParameter           & argCropLeft        = parameters.add<IntParameter>          (0x0, "crop-left",        "Number of pixels to crop from the left of the picture before decimation (overrides --crop-width)");
+		IntParameter           & argCropRight       = parameters.add<IntParameter>          (0x0, "crop-right",       "Number of pixels to crop from the right of the picture before decimation (overrides --crop-width)");
+		IntParameter           & argCropTop         = parameters.add<IntParameter>          (0x0, "crop-top",         "Number of pixels to crop from the top of the picture before decimation (overrides --crop-height)");
+		IntParameter           & argCropBottom      = parameters.add<IntParameter>          (0x0, "crop-bottom",      "Number of pixels to crop from the bottom of the picture before decimation (overrides --crop-height)");
 		IntParameter           & argSizeDecimation  = parameters.add<IntParameter>          ('s', "size-decimator",   "Decimation factor for the output size [default=1]");
 		IntParameter           & argFrameDecimation = parameters.add<IntParameter>          ('f', "frame-decimator",  "Decimation factor for the video frames [default=1]");
 		SwitchParameter<>      & argScreenshot      = parameters.add<SwitchParameter<>>     (0x0, "screenshot",       "Take a single screenshot, save it to file and quit");
 		DoubleParameter        & argSignalThreshold = parameters.add<DoubleParameter>       ('t', "signal-threshold", "The signal threshold for detecting the presence of a signal. Value should be between 0.0 and 1.0.");
+		DoubleParameter        & argRedSignalThreshold = parameters.add<DoubleParameter>    (0x0, "red-threshold",    "The red signal threshold. Value should be between 0.0 and 1.0. (overrides --signal-threshold)");
+		DoubleParameter        & argGreenSignalThreshold = parameters.add<DoubleParameter>  (0x0, "green-threshold",  "The green signal threshold. Value should be between 0.0 and 1.0. (overrides --signal-threshold)");
+		DoubleParameter        & argBlueSignalThreshold = parameters.add<DoubleParameter>   (0x0, "blue-threshold",   "The blue signal threshold. Value should be between 0.0 and 1.0. (overrides --signal-threshold)");
+		SwitchParameter<>      & arg3DSBS           = parameters.add<SwitchParameter<>>     (0x0, "3DSBS",            "Interpret the incoming video stream as 3D side-by-side");
+		SwitchParameter<>      & arg3DTAB           = parameters.add<SwitchParameter<>>     (0x0, "3DTAB",            "Interpret the incoming video stream as 3D top-and-bottom");
 		StringParameter        & argAddress         = parameters.add<StringParameter>       ('a', "address",          "Set the address of the hyperion server [default: 127.0.0.1:19445]");
 		IntParameter           & argPriority        = parameters.add<IntParameter>          ('p', "priority",         "Use the provided priority channel (the lower the number, the higher the priority) [default: 800]");
 		SwitchParameter<>      & argSkipReply       = parameters.add<SwitchParameter<>>     (0x0, "skip-reply",       "Do not receive and check reply messages from Hyperion");
@@ -54,7 +77,8 @@ int main(int argc, char** argv)
 
 		// set defaults
 		argDevice.setDefault("/dev/video0");
-		argVideoStandard.setDefault(V4L2Grabber::NO_CHANGE);
+		argVideoStandard.setDefault(VIDEOSTANDARD_NO_CHANGE);
+		argPixelFormat.setDefault(PIXELFORMAT_NO_CHANGE);
 		argInput.setDefault(-1);
 		argWidth.setDefault(-1);
 		argHeight.setDefault(-1);
@@ -76,30 +100,64 @@ int main(int argc, char** argv)
 			return 0;
 		}
 
+		if (!argCropLeft.isSet())   argCropLeft.setDefault(argCropWidth.getValue());
+		if (!argCropRight.isSet())  argCropRight.setDefault(argCropWidth.getValue());
+		if (!argCropTop.isSet())    argCropTop.setDefault(argCropHeight.getValue());
+		if (!argCropBottom.isSet()) argCropBottom.setDefault(argCropHeight.getValue());
+
+		// initialize the grabber
 		V4L2Grabber grabber(
 					argDevice.getValue(),
 					argInput.getValue(),
 					argVideoStandard.getValue(),
+					argPixelFormat.getValue(),
 					argWidth.getValue(),
 					argHeight.getValue(),
-					std::max(0, argCropWidth.getValue()),
-					std::max(0, argCropHeight.getValue()),
 					std::max(1, argFrameDecimation.getValue()),
+					std::max(1, argSizeDecimation.getValue()),
 					std::max(1, argSizeDecimation.getValue()));
 
-		grabber.start();
+		// set signal detection
+		grabber.setSignalThreshold(
+					std::min(1.0, std::max(0.0, argRedSignalThreshold.isSet() ? argRedSignalThreshold.getValue() : argSignalThreshold.getValue())),
+					std::min(1.0, std::max(0.0, argGreenSignalThreshold.isSet() ? argGreenSignalThreshold.getValue() : argSignalThreshold.getValue())),
+					std::min(1.0, std::max(0.0, argBlueSignalThreshold.isSet() ? argBlueSignalThreshold.getValue() : argSignalThreshold.getValue())),
+					50);
+
+		// set cropping values
+		grabber.setCropping(
+					std::max(0, argCropLeft.getValue()),
+					std::max(0, argCropRight.getValue()),
+					std::max(0, argCropTop.getValue()),
+					std::max(0, argCropBottom.getValue()));
+
+		// set 3D mode if applicable
+		if (arg3DSBS.isSet())
+		{
+			grabber.set3D(VIDEO_3DSBS);
+		}
+		else if (arg3DTAB.isSet())
+		{
+			grabber.set3D(VIDEO_3DTAB);
+		}
+
+		// run the grabber
 		if (argScreenshot.isSet())
 		{
-			grabber.setCallback(&saveScreenshot, nullptr);
-			grabber.capture(1);
+			ScreenshotHandler handler("screenshot.png");
+			QObject::connect(&grabber, SIGNAL(newFrame(Image<ColorRgb>)), &handler, SLOT(receiveImage(Image<ColorRgb>)));
+			grabber.start();
+			QCoreApplication::exec();
+			grabber.stop();
 		}
 		else
 		{
-			ImageHandler handler(argAddress.getValue(), argPriority.getValue(), argSignalThreshold.getValue(), argSkipReply.isSet());
-			grabber.setCallback(&ImageHandler::imageCallback, &handler);
-			grabber.capture();
+			ImageHandler handler(argAddress.getValue(), argPriority.getValue(), argSkipReply.isSet());
+			QObject::connect(&grabber, SIGNAL(newFrame(Image<ColorRgb>)), &handler, SLOT(receiveImage(Image<ColorRgb>)));
+			grabber.start();
+			QCoreApplication::exec();
+			grabber.stop();
 		}
-		grabber.stop();
 	}
 	catch (const std::runtime_error & e)
 	{

src/hyperion-x11/ProtoWrapper.cpp

@@ -3,7 +3,7 @@
 #include "ProtoWrapper.h"
 
 ProtoWrapper::ProtoWrapper(const std::string & protoAddress, const bool skipReply) :
-	_priority(200),
+	_priority(10),
 	_duration_ms(2000),
 	_connection(protoAddress)
 {

src/hyperion-x11/hyperion-x11.cpp

@@ -31,7 +31,7 @@ int main(int argc, char ** argv)
 
 		IntParameter           & argCropWidth       = parameters.add<IntParameter>          (0x0, "crop-width",       "Number of pixels to crop from the left and right sides in the picture before decimation [default=0]");
 		IntParameter           & argCropHeight      = parameters.add<IntParameter>          (0x0, "crop-height",      "Number of pixels to crop from the top and the bottom in the picture before decimation [default=0]");
-		IntParameter           & argSizeDecimation  = parameters.add<IntParameter>          ('s', "size-decimator",   "Decimation factor for the output size [default=1]");
+		IntParameter           & argSizeDecimation  = parameters.add<IntParameter>          ('s', "size-decimator",   "Decimation factor for the output size [default=16]");
 		SwitchParameter<>      & argScreenshot      = parameters.add<SwitchParameter<>>     (0x0, "screenshot",       "Take a single screenshot, save it to file and quit");
 		StringParameter        & argAddress         = parameters.add<StringParameter>       ('a', "address",          "Set the address of the hyperion server [default: 127.0.0.1:19445]");
 		IntParameter           & argPriority        = parameters.add<IntParameter>          ('p', "priority",         "Use the provided priority channel (the lower the number, the higher the priority) [default: 800]");
@@ -41,7 +41,7 @@ int main(int argc, char ** argv)
 		// set defaults
 		argCropWidth.setDefault(0);
 		argCropHeight.setDefault(0);
-		argSizeDecimation.setDefault(1);
+		argSizeDecimation.setDefault(16);
 		argAddress.setDefault("127.0.0.1:19445");
 		argPriority.setDefault(800);
 

src/hyperiond/CMakeLists.txt

@@ -8,8 +8,13 @@ target_link_libraries(hyperiond
 		effectengine
 		jsonserver
 		protoserver
-		boblightserver)
+		boblightserver
+)
 
 if (ENABLE_DISPMANX)
 	target_link_libraries(hyperiond dispmanx-grabber)
 endif (ENABLE_DISPMANX)
+
+if (ENABLE_V4L2)
+	target_link_libraries(hyperiond v4l2-grabber)
+endif (ENABLE_V4L2)

src/hyperiond/hyperiond.cpp

@@ -1,10 +1,12 @@
 // C++ includes
 #include <cassert>
 #include <csignal>
+#include <clocale>
 
 // QT includes
 #include <QCoreApplication>
 #include <QResource>
+#include <QLocale>
 
 // config includes
 #include "HyperionConfig.h"
@@ -17,7 +19,12 @@
 
 #ifdef ENABLE_DISPMANX
 // Dispmanx grabber includes
-#include <dispmanx-grabber/DispmanxWrapper.h>
+#include <grabber/DispmanxWrapper.h>
+#endif
+
+#ifdef ENABLE_V4L2
+// v4l2 grabber
+#include <grabber/V4L2Wrapper.h>
 #endif
 
 // XBMC Video checker includes
@@ -78,6 +85,10 @@ int main(int argc, char** argv)
 	signal(SIGINT,  signal_handler);
 	signal(SIGTERM, signal_handler);
 
+	// force the locale
+	setlocale(LC_ALL, "C");
+	QLocale::setDefault(QLocale::c());
+
 	if (argc < 2)
 	{
 		std::cout << "Missing required configuration file. Usage:" << std::endl;
@@ -159,6 +170,43 @@ int main(int argc, char** argv)
 	}
 #endif
 
+#ifdef ENABLE_V4L2
+	// construct and start the v4l2 grabber if the configuration is present
+	V4L2Wrapper * v4l2Grabber = nullptr;
+	if (config.isMember("grabber-v4l2"))
+	{
+		const Json::Value & grabberConfig = config["grabber-v4l2"];
+		v4l2Grabber = new V4L2Wrapper(
+					grabberConfig.get("device", "/dev/video0").asString(),
+					grabberConfig.get("input", 0).asInt(),
+					parseVideoStandard(grabberConfig.get("standard", "no-change").asString()),
+					parsePixelFormat(grabberConfig.get("pixelFormat", "no-change").asString()),
+					grabberConfig.get("width", -1).asInt(),
+					grabberConfig.get("height", -1).asInt(),
+					grabberConfig.get("frameDecimation", 2).asInt(),
+					grabberConfig.get("sizeDecimation", 8).asInt(),
+					grabberConfig.get("redSignalThreshold", 0.0).asDouble(),
+					grabberConfig.get("greenSignalThreshold", 0.0).asDouble(),
+					grabberConfig.get("blueSignalThreshold", 0.0).asDouble(),
+					&hyperion,
+					grabberConfig.get("priority", 800).asInt());
+		v4l2Grabber->set3D(parse3DMode(grabberConfig.get("mode", "2D").asString()));
+		v4l2Grabber->setCropping(
+					grabberConfig.get("cropLeft", 0).asInt(),
+					grabberConfig.get("cropRight", 0).asInt(),
+					grabberConfig.get("cropTop", 0).asInt(),
+					grabberConfig.get("cropBottom", 0).asInt());
+
+		v4l2Grabber->start();
+		std::cout << "V4l2 grabber created and started" << std::endl;
+	}
+#else
+	if (config.isMember("grabber-v4l2"))
+	{
+		std::cerr << "The v4l2 grabber can not be instantiated, becuse it has been left out from the build" << std::endl;
+	}
+#endif
+
 	// Create Json server if configuration is present
 	JsonServer * jsonServer = nullptr;
 	if (config.isMember("jsonServer"))
@@ -193,6 +241,9 @@ int main(int argc, char** argv)
 	// Delete all component
 #ifdef ENABLE_DISPMANX
 	delete dispmanx;
+#endif
+#ifdef ENABLE_V4L2
+	delete v4l2Grabber;
 #endif
 	delete xbmcVideoChecker;
 	delete jsonServer;

test/CMakeLists.txt

@@ -60,20 +60,3 @@ if(ENABLE_X11)
     add_executable(test_x11performance TestX11Performance.cpp)
 	target_link_libraries(test_x11performance ${X11_LIBRARIES} ${QT_LIBRARIES})
 endif(ENABLE_X11)
-
-add_executable(determineWs2811Timing DetermineWs2811Timing.cpp)
-
-add_executable(test_rs232highspeed
-		TestRs232HighSpeed.cpp
-		../libsrc/leddevice/LedRs232Device.cpp
-		../libsrc/leddevice/LedDeviceWs2812b.cpp)
-target_link_libraries(test_rs232highspeed
-		serialport)
-
-if(NOT APPLE AND UNIX)
-	include_directories(/usr/include)
-	add_executable(test_uartHighSpeed TestUartHighSpeed.cpp)
-
-	add_executable(test_nonUniformWs2812b TestNonUniformWs2812b.cpp)
-	add_executable(test_nonInvWs2812b     TestNonInvWs2812b.cpp)
-endif()

test/DetermineWs2811Timing.cpp

@@ -1,62 +0,0 @@
-
-// STl includes
-#include <iostream>
-#include <cmath>
-
-bool requiredTiming(const int tHigh_ns, const int tLow_ns, const int error_ns, const int nrBits)
-{
-	std::cout << "=== " << nrBits << " bits case ===== " << std::endl;
-	double bitLength_ns = (tHigh_ns + tLow_ns)/double(nrBits);
-	double baudrate_Hz  = 1.0 / bitLength_ns * 1e9;
-	std::cout << "Required bit length: " << bitLength_ns << "ns => baudrate = " << baudrate_Hz << std::endl;
-
-	double highBitsExact = tHigh_ns/bitLength_ns;
-	int highBits = std::round(highBitsExact);
-	double lowBitsExact  = tLow_ns/bitLength_ns;
-	int lowBits  = std::round(lowBitsExact);
-	std::cout << "Bit division: high=" << highBits << "(" << highBitsExact << "); low=" << lowBits << "(" << lowBitsExact << ")" << std::endl;
-
-	double highBitsError = std::fabs(highBitsExact - highBits);
-	double lowBitsError  = std::fabs(highBitsExact - highBits);
-	double highError_ns = highBitsError * bitLength_ns;
-	double lowError_ns  = lowBitsError * bitLength_ns;
-
-	if (highError_ns > error_ns || lowError_ns > error_ns)
-	{
-		std::cerr << "Timing error outside specs: " << highError_ns << "; " << lowError_ns << " > " << error_ns << std::endl;
-	}
-	else
-	{
-		std::cout << "Timing within margins: " << highError_ns << "; " << lowError_ns << " < " << error_ns << std::endl;
-	}
-
-
-
-	return true;
-}
-
-int main()
-{
-	// 10bits
-	requiredTiming(400, 850, 150, 10);	// Zero
-	requiredTiming(800, 450, 150, 10);	// One
-
-	// 6bits
-	requiredTiming(400, 850, 150, 6);	// Zero
-	requiredTiming(800, 450, 150, 6);	// One
-
-	// 5bits
-	requiredTiming(400, 850, 150, 5);	// Zero
-	requiredTiming(800, 450, 150, 5);	// One
-
-	requiredTiming(650, 600, 150, 5);	// One
-
-	// 4bits
-	requiredTiming(400, 850, 150, 4);	// Zero
-	requiredTiming(800, 450, 150, 4);	// One
-
-	// 3bits
-	requiredTiming(400, 850, 150, 3);	// Zero
-	requiredTiming(800, 450, 150, 3);	// One
-	return 0;
-}

test/TestNonInvWs2812b.cpp

@@ -1,209 +0,0 @@
-
-// STL includes
-#include <cstdint>
-#include <vector>
-#include <iostream>
-
-#include <unistd.h>			//Used for UART
-#include <fcntl.h>			//Used for UART
-#include <termios.h>		//Used for UART
-#include <sys/ioctl.h>
-
-std::vector<uint8_t> encode(const std::vector<uint8_t> & data);
-void split(const uint8_t byte, uint8_t & out1, uint8_t & out2);
-uint8_t encode(const bool bit1, const bool bit2, const bool bit3);
-
-void print(uint8_t byte)
-{
-	for (int i=0; i<8; ++i)
-	{
-		if (byte & (1 << i))
-		{
-			std::cout << '1';
-		}
-		else
-		{
-			std::cout << '0';
-		}
-	}
-}
-
-void printClockSignal(const std::vector<uint8_t> & signal)
-{
-	bool prevBit = true;
-	bool nextBit = true;
-
-	for (uint8_t byte : signal)
-	{
-
-		for (int i=-1; i<9; ++i)
-		{
-			if (i == -1) // Start bit
-				nextBit = false;
-			else if (i == 8) // Stop bit
-				nextBit = true;
-			else
-				nextBit = byte & (1 << i);
-
-			if (!prevBit && nextBit)
-			{
-				std::cout << ' ';
-			}
-
-			if (nextBit)
-				std::cout << '1';
-			else
-				std::cout << '0';
-
-			prevBit = nextBit;
-		}
-	}
-}
-
-int main()
-{
-	const std::vector<uint8_t> data(9, 0x00);
-	std::vector<uint8_t> encData = encode(data);
-
-	for (uint8_t encByte : encData)
-	{
-		std::cout << "0 ";
-		print(encByte);
-		std::cout << " 1";
-	}
-	std::cout << std::endl;
-	printClockSignal(encData);
-	std::cout << std::endl;
-
-	//OPEN THE UART
-//	int uart0_filestream = open("/dev/ttyAMA0", O_WRONLY | O_NOCTTY | O_NDELAY);
-	int uart0_filestream = open("/dev/ttyUSB0", O_WRONLY | O_NOCTTY | O_NDELAY);
-	if (uart0_filestream == -1)
-	{
-		//ERROR - CAN'T OPEN SERIAL PORT
-		printf("Error - Unable to open UART.  Ensure it is not in use by another application\n");
-		return -1;
-	}
-
-	// Configure the port
-	struct termios options;
-	tcgetattr(uart0_filestream, &options);
-	options.c_cflag = B2500000 | CS8 | CLOCAL;
-	options.c_iflag = IGNPAR;
-	options.c_oflag = 0;
-	options.c_lflag = 0;
-
-	tcflush(uart0_filestream, TCIFLUSH);
-	tcsetattr(uart0_filestream, TCSANOW, &options);
-
-	getchar();
-
-	const int breakLength_ms = 1;
-
-	encData = std::vector<uint8_t>(128, 0x00);
-
-	write(uart0_filestream, encData.data(), encData.size());
-
-	tcsendbreak(uart0_filestream, breakLength_ms);
-
-	//tcdrain(uart0_filestream);
-//	res = write(uart0_filestream, encData.data(), encData.size());
-//	(void)res;
-
-	close(uart0_filestream);
-
-	return 0;
-}
-
-std::vector<uint8_t> encode(const std::vector<uint8_t> & data)
-{
-	std::vector<uint8_t> result;
-
-	uint8_t previousByte = 0x00;
-	uint8_t nextByte     = 0x00;
-	for (unsigned iData=0; iData<data.size(); iData+=3)
-	{
-		const uint8_t byte1 = data[iData];
-		const uint8_t byte2 = data[iData+1];
-		const uint8_t byte3 = data[iData+2];
-
-		uint8_t encByte;
-		encByte = encode(byte1 & 0x80, byte1 & 0x40, byte1 & 0x20);
-		std::cout << "Encoded byte 1: "; print(encByte); std::cout << std::endl;
-		split(encByte, previousByte, nextByte);
-		result.push_back(previousByte);
-		previousByte = nextByte;
-
-		encByte = encode(byte1 & 0x10, byte1 & 0x08, byte1 & 0x04);
-		split(encByte, previousByte, nextByte);
-		result.push_back(previousByte);
-		previousByte = nextByte;
-
-		encByte = encode(byte1 & 0x02, byte1 & 0x01, byte2 & 0x80);
-		split(encByte, previousByte, nextByte);
-		result.push_back(previousByte);
-		previousByte = nextByte;
-
-		encByte = encode(byte2 & 0x40, byte2 & 0x20, byte2 & 0x10);
-		split(encByte, previousByte, nextByte);
-		result.push_back(previousByte);
-		previousByte = nextByte;
-
-		encByte = encode(byte2 & 0x08, byte2 & 0x04, byte2 & 0x02);
-		split(encByte, previousByte, nextByte);
-		result.push_back(previousByte);
-		previousByte = nextByte;
-
-		encByte = encode(byte2 & 0x01, byte3 & 0x80, byte3 & 0x40);
-		split(encByte, previousByte, nextByte);
-		result.push_back(previousByte);
-		previousByte = nextByte;
-
-		encByte = encode(byte3 & 0x20, byte3 & 0x10, byte3 & 0x08);
-		split(encByte, previousByte, nextByte);
-		result.push_back(previousByte);
-		previousByte = nextByte;
-
-		encByte = encode(byte3 & 0x04, byte3 & 0x02, byte3 & 0x01);
-		split(encByte, previousByte, nextByte);
-		result.push_back(previousByte);
-		previousByte = nextByte;
-	}
-
-	result.push_back(previousByte);
-
-
-	return result;
-}
-
-void split(const uint8_t byte, uint8_t & out1, uint8_t & out2)
-{
-	out1 |= (byte & 0x0F) << 4;
-	out2 = (byte & 0xF0) >> 4;
-}
-
-uint8_t encode(const bool bit1, const bool bit2, const bool bit3)
-{
-	if (bit2)
-	{
-		uint8_t result = 0x19; // 0--1 01 10-1
-		if (bit1) result |=  0x02;
-//		else      result &= ~0x02;
-
-		if (bit3) result |=  0x60;
-//		else      result &= ~0x60;
-
-		return result;
-	}
-	else
-	{
-		uint8_t result = 0x21;// 0x21 (0-10 01 0--1)
-		if (bit1) result |=  0x06;
-//		else      result &= ~0x06;
-
-		if (bit3) result |=  0x40;
-//		else      result &= ~0x40;
-
-		return result;
-	}
-}

test/TestNonUniformWs2812b.cpp

@@ -1,188 +0,0 @@
-
-// STL includes
-#include <cstdint>
-#include <vector>
-#include <iostream>
-
-#include <unistd.h>			//Used for UART
-#include <fcntl.h>			//Used for UART
-#include <termios.h>		//Used for UART
-#include <sys/ioctl.h>
-
-std::vector<uint8_t> encode(const std::vector<uint8_t> & data);
-uint8_t encode(const bool bit1, const bool bit2, const bool bit3);
-
-void printClockSignal(const std::vector<uint8_t> & signal)
-{
-	bool prevBit = true;
-	bool nextBit = true;
-
-	for (uint8_t byte : signal)
-	{
-
-		for (int i=-1; i<9; ++i)
-		{
-			if (i == -1) // Start bit
-				nextBit = true;
-			else if (i == 8) // Stop bit
-				nextBit = false;
-			else
-				nextBit = ~byte & (1 << i);
-
-			if (!prevBit && nextBit)
-			{
-				std::cout << ' ';
-			}
-
-			if (nextBit)
-				std::cout << '1';
-			else
-				std::cout << '0';
-
-			prevBit = nextBit;
-		}
-	}
-}
-
-int main()
-{
-	const std::vector<uint8_t> white{0xff,0xff,0xff, 0xff,0xff,0xff, 0xff,0xff,0xff};
-	const std::vector<uint8_t> green{0xff, 0x00, 0x00};
-	const std::vector<uint8_t> red  {0x00, 0xff, 0x00};
-	const std::vector<uint8_t> blue {0x00, 0x00, 0xff};
-	const std::vector<uint8_t> cyan {0xff, 0x00, 0xff};
-	const std::vector<uint8_t> mix  {0x55, 0x55, 0x55};
-	const std::vector<uint8_t> black{0x00, 0x00, 0x00};
-	const std::vector<uint8_t> gray{0x01, 0x01, 0x01};
-
-//	printClockSignal(encode(mix));std::cout << std::endl;
-
-	//OPEN THE UART
-//	int uart0_filestream = open("/dev/ttyAMA0", O_WRONLY | O_NOCTTY | O_NDELAY);
-	int uart0_filestream = open("/dev/ttyUSB0", O_WRONLY | O_NOCTTY | O_NDELAY);
-	if (uart0_filestream == -1)
-	{
-		//ERROR - CAN'T OPEN SERIAL PORT
-		printf("Error - Unable to open UART.  Ensure it is not in use by another application\n");
-		return -1;
-	}
-
-	// Configure the port
-	struct termios options;
-	tcgetattr(uart0_filestream, &options);
-	options.c_cflag = B2500000 | CS8 | CLOCAL;
-	options.c_iflag = IGNPAR;
-	options.c_oflag = 0;
-	options.c_lflag = 0;
-
-	tcflush(uart0_filestream, TCIFLUSH);
-	tcsetattr(uart0_filestream, TCSANOW, &options);
-
-	{
-		getchar();
-		const std::vector<uint8_t> encGreenData = encode(green);
-		const std::vector<uint8_t> encBlueData = encode(blue);
-		const std::vector<uint8_t> encRedData = encode(red);
-		const std::vector<uint8_t> encGrayData = encode(gray);
-		const std::vector<uint8_t> encBlackData = encode(black);
-
-		//std::cout << "Writing GREEN ("; printClockSignal(encode(green)); std::cout << ")" << std::endl;
-//		const std::vector<uint8_t> garbage {0x0f};
-//		write(uart0_filestream, garbage.data(), garbage.size());
-//		write(uart0_filestream, encGreenData.data(), encGreenData.size());
-//		write(uart0_filestream, encRedData.data(), encRedData.size());
-//		write(uart0_filestream, encBlueData.data(), encBlueData.size());
-//		write(uart0_filestream, encGrayData.data(), encGrayData.size());
-//		write(uart0_filestream, encBlackData.data(), encBlackData.size());
-//	}
-//	{
-//		getchar();
-		const std::vector<uint8_t> encData = encode(white);
-		std::cout << "Writing WHITE ("; printClockSignal(encode(white)); std::cout << ")" << std::endl;
-//		const std::vector<uint8_t> garbage {0x0f};
-//		write(uart0_filestream, garbage.data(), garbage.size());
-		write(uart0_filestream, encData.data(), encData.size());
-		write(uart0_filestream, encData.data(), encData.size());
-		write(uart0_filestream, encData.data(), encData.size());
-	}
-	{
-		getchar();
-		const std::vector<uint8_t> encData = encode(green);
-		std::cout << "Writing GREEN ("; printClockSignal(encode(green)); std::cout << ")" << std::endl;
-		write(uart0_filestream, encData.data(), encData.size());
-	}
-	{
-		getchar();
-		const std::vector<uint8_t> encData = encode(red);
-		std::cout << "Writing RED ("; printClockSignal(encode(red)); std::cout << ")" << std::endl;
-		write(uart0_filestream, encData.data(), encData.size());
-	}
-	{
-		getchar();
-		const std::vector<uint8_t> encData = encode(blue);
-		std::cout << "Writing BLUE ("; printClockSignal(encode(blue)); std::cout << ")" << std::endl;
-		write(uart0_filestream, encData.data(), encData.size());
-	}
-	{
-		getchar();
-		const std::vector<uint8_t> encData = encode(cyan);
-		std::cout << "Writing CYAN? ("; printClockSignal(encode(cyan)); std::cout << ")" << std::endl;
-		write(uart0_filestream, encData.data(), encData.size());
-	}
-	{
-		getchar();
-		const std::vector<uint8_t> encData = encode(mix);
-		std::cout << "Writing MIX ("; printClockSignal(encode(mix)); std::cout << ")" << std::endl;
-		write(uart0_filestream, encData.data(), encData.size());
-	}
-	{
-		getchar();
-		const std::vector<uint8_t> encData = encode(black);
-		std::cout << "Writing BLACK ("; printClockSignal(encode(black)); std::cout << ")" << std::endl;
-		write(uart0_filestream, encData.data(), encData.size());
-		write(uart0_filestream, encData.data(), encData.size());
-		write(uart0_filestream, encData.data(), encData.size());
-		write(uart0_filestream, encData.data(), encData.size());
-	}
-
-	close(uart0_filestream);
-
-	return 0;
-}
-
-std::vector<uint8_t> encode(const std::vector<uint8_t> & data)
-{
-	std::vector<uint8_t> result;
-	for (size_t iByte=0; iByte<data.size(); iByte+=3)
-	{
-		const uint8_t byte1 = data[iByte];
-		const uint8_t byte2 = data[iByte+1];
-		const uint8_t byte3 = data[iByte+2];
-
-		result.push_back(encode(byte1 & 0x80, byte1 & 0x40, byte1 & 0x20));
-		result.push_back(encode(byte1 & 0x10, byte1 & 0x08, byte1 & 0x04));
-		result.push_back(encode(byte1 & 0x02, byte1 & 0x01, byte2 & 0x80));
-		result.push_back(encode(byte2 & 0x40, byte2 & 0x20, byte2 & 0x10));
-		result.push_back(encode(byte2 & 0x08, byte2 & 0x04, byte2 & 0x02));
-		result.push_back(encode(byte2 & 0x01, byte3 & 0x80, byte3 & 0x40));
-		result.push_back(encode(byte3 & 0x20, byte3 & 0x10, byte3 & 0x08));
-		result.push_back(encode(byte3 & 0x04, byte3 & 0x02, byte3 & 0x01));
-	}
-	return result;
-}
-
-uint8_t encode(const bool bit1, const bool bit2, const bool bit3)
-{
-	uint8_t result = 0x44; // 0100 0100
-
-	if (bit1)
-		result |= 0x01; // 0000 0001
-
-	if (bit2)
-		result |= 0x18; // 0001 1000
-
-	if (bit3)
-		result |= 0x80; // 1000 0000
-
-	return ~result;
-}

test/TestQtScreenshot.cpp

@@ -6,7 +6,7 @@
 #include <QApplication>
 #include <QDesktopWidget>
 #include <QPixmap>
-#include <Qfile>
+#include <QFile>
 #include <QRgb>
 
 #include <QElapsedTimer>

test/TestRs232HighSpeed.cpp

@@ -1,260 +0,0 @@
-
-// STL includes
-#include <iostream>
-#include <random>
-
-// Serialport includes
-#include <serial/serial.h>
-
-int testSerialPortLib();
-int testHyperionDevice(int argc, char** argv);
-int testWs2812bDevice();
-
-int main(int argc, char** argv)
-{
-//	if (argc == 1)
-//	{
-//		return testSerialPortLib();
-//	}
-//	else
-//	{
-//		return testHyperionDevice(argc, argv);
-//	}
-		return testWs2812bDevice();
-}
-
-int testSerialPortLib()
-{
-	serial::Serial rs232Port("/dev/ttyAMA0", 4000000);
-
-	std::default_random_engine generator;
-	std::uniform_int_distribution<int> distribution(1,2);
-
-	std::vector<uint8_t> data;
-	for (int i=0; i<9; ++i)
-	{
-		int coinFlip = distribution(generator);
-		if (coinFlip == 1)
-		{
-			data.push_back(0xCE);
-			data.push_back(0xCE);
-			data.push_back(0xCE);
-			data.push_back(0xCE);
-		}
-		else
-		{
-			data.push_back(0x8C);
-			data.push_back(0x8C);
-			data.push_back(0x8C);
-			data.push_back(0x8C);
-		}
-	}
-	std::cout << "Type 'c' to continue, 'q' or 'x' to quit: ";
-	while (true)
-	{
-		char c = getchar();
-		if (c == 'q' || c == 'x')
-		{
-			break;
-		}
-		if (c != 'c')
-		{
-			continue;
-		}
-
-		rs232Port.flushOutput();
-		rs232Port.write(data);
-		rs232Port.flush();
-
-		data.clear();
-		for (int i=0; i<9; ++i)
-		{
-			int coinFlip = distribution(generator);
-			if (coinFlip == 1)
-			{
-				data.push_back(0xCE);
-				data.push_back(0xCE);
-				data.push_back(0xCE);
-				data.push_back(0xCE);
-			}
-			else
-			{
-				data.push_back(0x8C);
-				data.push_back(0x8C);
-				data.push_back(0x8C);
-				data.push_back(0x8C);
-			}
-		}
-	}
-
-	try
-	{
-
-		rs232Port.close();
-	}
-	catch (const std::runtime_error& excp)
-	{
-		std::cout << "Caught exception: " << excp.what() << std::endl;
-		return -1;
-	}
-
-	return 0;
-}
-
-#include "../libsrc/leddevice/LedRs232Device.h"
-
-class TestDevice : public LedRs232Device
-{
-public:
-	TestDevice() :
-		LedRs232Device("/dev/ttyAMA0", 4000000)
-	{
-		open();
-	}
-
-	int write(const std::vector<ColorRgb> &ledValues)
-	{
-		std::vector<uint8_t> bytes(ledValues.size() * 3 * 4);
-
-		uint8_t * bytePtr = bytes.data();
-		for (ColorRgb color : ledValues)
-		{
-			byte2Signal(color.green, bytePtr);
-			bytePtr += 4;
-			byte2Signal(color.red, bytePtr);
-			bytePtr += 4;
-			byte2Signal(color.blue, bytePtr);
-			bytePtr += 4;
-		}
-
-		writeBytes(bytes.size(), bytes.data());
-
-		return 0;
-	}
-
-	int switchOff() { return 0; };
-
-	void writeTestSequence(const std::vector<uint8_t> & data)
-	{
-		writeBytes(data.size(), data.data());
-	}
-
-	void byte2Signal(const uint8_t byte, uint8_t * output)
-	{
-		output[0] = bits2Signal(byte & 0x80, byte & 0x40);
-		output[1] = bits2Signal(byte & 0x20, byte & 0x10);
-		output[2] = bits2Signal(byte & 0x08, byte & 0x04);
-		output[3] = bits2Signal(byte & 0x02, byte & 0x01);
-	}
-
-	uint8_t bits2Signal(const bool bit1, const bool bit2)
-	{
-		if (bit1)
-		{
-			if (bit2)
-			{
-				return 0x8C;
-			}
-			else
-			{
-				return 0xCC;
-			}
-		}
-		else
-		{
-			if (bit2)
-			{
-				return 0x8E;
-			}
-			else
-			{
-				return 0xCE;
-			}
-		}
-
-		return 0x00;
-	}
-};
-
-int testHyperionDevice(int argc, char** argv)
-{
-	TestDevice rs232Device;
-
-	if (argc > 1 && strncmp(argv[1], "off", 3) == 0)
-	{
-		rs232Device.write(std::vector<ColorRgb>(150, {0, 0, 0}));
-		return 0;
-	}
-
-
-	int loopCnt = 0;
-
-	std::cout << "Type 'c' to continue, 'q' or 'x' to quit: ";
-	while (true)
-	{
-		char c = getchar();
-		if (c == 'q' || c == 'x')
-		{
-			break;
-		}
-		if (c != 'c')
-		{
-			continue;
-		}
-
-		rs232Device.write(std::vector<ColorRgb>(loopCnt, {255, 255, 255}));
-
-		++loopCnt;
-	}
-
-	rs232Device.write(std::vector<ColorRgb>(150, {0, 0, 0}));
-
-	return 0;
-}
-
-#include "../libsrc/leddevice/LedDeviceWs2812b.h"
-
-#include <unistd.h>
-
-int testWs2812bDevice()
-{
-	LedDeviceWs2812b device;
-	device.open();
-
-	std::cout << "Type 'c' to continue, 'q' or 'x' to quit: ";
-	int loopCnt = 0;
-	while (true)
-	{
-//		char c = getchar();
-//		if (c == 'q' || c == 'x')
-//		{
-//			break;
-//		}
-//		if (c != 'c')
-//		{
-//			continue;
-//		}
-
-		if (loopCnt%4 == 0)
-			device.write(std::vector<ColorRgb>(25, {255, 0, 0}));
-		else if (loopCnt%4 == 1)
-			device.write(std::vector<ColorRgb>(25, {0, 255, 0}));
-		else if (loopCnt%4 == 2)
-			device.write(std::vector<ColorRgb>(25, {0, 0, 255}));
-		else if (loopCnt%4 == 3)
-			device.write(std::vector<ColorRgb>(25, {17, 188, 66}));
-
-		++loopCnt;
-
-		usleep(200000);
-		if (loopCnt > 200)
-		{
-			break;
-		}
-	}
-
-	device.write(std::vector<ColorRgb>(150, {0, 0, 0}));
-	device.switchOff();
-
-	return 0;
-}

test/TestUartHighSpeed.cpp

@@ -1,387 +0,0 @@
-
-#include <random>
-#include <iostream>
-#include <stdio.h>
-#include <unistd.h>			//Used for UART
-#include <fcntl.h>			//Used for UART
-#include <termios.h>		//Used for UART
-#include <sys/ioctl.h>
-
-#include <linux/serial.h>
-
-#include <csignal>
-#include <cstdint>
-#include <bitset>
-#include <vector>
-
-#include <pthread.h>
-#include <sched.h>
-
-void set_realtime_priority() {
-	int ret;
-
-	// We'll operate on the currently running thread.
-	pthread_t this_thread = pthread_self();
-	// struct sched_param is used to store the scheduling priority
-	struct sched_param params;
-	// We'll set the priority to the maximum.
-	params.sched_priority = sched_get_priority_max(SCHED_FIFO);
-	std::cout << "Trying to set thread realtime prio = " << params.sched_priority << std::endl;
-
-	// Attempt to set thread real-time priority to the SCHED_FIFO policy
-	ret = pthread_setschedparam(this_thread, SCHED_FIFO, &params);
-	if (ret != 0) {
-		// Print the error
-		std::cout << "Unsuccessful in setting thread realtime prio (erno=" << ret << ")" << std::endl;
-		return;
-	}
-
-	// Now verify the change in thread priority
-	int policy = 0;
-	ret = pthread_getschedparam(this_thread, &policy, &params);
-	if (ret != 0) {
-		std::cout << "Couldn't retrieve real-time scheduling paramers" << std::endl;
-		return;
-	}
-
-	// Check the correct policy was applied
-	if(policy != SCHED_FIFO) {
-		std::cout << "Scheduling is NOT SCHED_FIFO!" << std::endl;
-	} else {
-		std::cout << "SCHED_FIFO OK" << std::endl;
-	}
-
-	// Print thread scheduling priority
-	std::cout << "Thread priority is " << params.sched_priority << std::endl;
-}
-
-
-struct ColorSignal
-{
-	uint8_t green_1;
-	uint8_t green_2;
-	uint8_t green_3;
-	uint8_t green_4;
-
-	uint8_t red_1;
-	uint8_t red_2;
-	uint8_t red_3;
-	uint8_t red_4;
-
-	uint8_t blue_1;
-	uint8_t blue_2;
-	uint8_t blue_3;
-	uint8_t blue_4;
-};
-
-static ColorSignal RED_Signal = { 0xCE, 0xCE, 0xCE, 0xCE,
-								  0xCE, 0x8C, 0x8C, 0x8C,
-								  0xCE, 0xCE, 0xCE, 0xCE };
-static ColorSignal GREEN_Signal = { 0xCE, 0x8C, 0x8C, 0x8C,
-									0xCE, 0xCE, 0xCE, 0xCE,
-									0xCE, 0xCE, 0xCE, 0xCE };
-static ColorSignal BLUE_Signal = { 0xCE, 0xCE, 0xCE, 0xCE,
-								   0xCE, 0xCE, 0xCE, 0xCE,
-								   0xCE, 0x8C, 0x8C, 0x8C};
-static ColorSignal BLACK_Signal = { 0xCE, 0xCE, 0xCE, 0xCE,
-								   0xCE, 0xCE, 0xCE, 0xCE,
-								   0xCE, 0xCE, 0xCE, 0xCE};
-
-static volatile bool _running;
-
-void signal_handler(int signum)
-{
-	_running = false;
-
-}
-
-void test3bitsEncoding();
-
-int main()
-{
-	if (true)
-	{
-		test3bitsEncoding();
-		return 0;
-	}
-
-	_running = true;
-	signal(SIGTERM, &signal_handler);
-
-	//-------------------------
-	//----- SETUP USART 0 -----
-	//-------------------------
-	//At bootup, pins 8 and 10 are already set to UART0_TXD, UART0_RXD (ie the alt0 function) respectively
-	int uart0_filestream = -1;
-
-	//OPEN THE UART
-	//The flags (defined in fcntl.h):
-	//	Access modes (use 1 of these):
-	//		O_RDONLY - Open for reading only.
-	//		O_RDWR - Open for reading and writing.
-	//		O_WRONLY - Open for writing only.
-	//
-	//	O_NDELAY / O_NONBLOCK (same function) - Enables nonblocking mode. When set read requests on the file can return immediately with a failure status
-	//											if there is no input immediately available (instead of blocking). Likewise, write requests can also return
-	//											immediately with a failure status if the output can't be written immediately.
-	//
-	//	O_NOCTTY - When set and path identifies a terminal device, open() shall not cause the terminal device to become the controlling terminal for the process.
-	uart0_filestream = open("/dev/ttyAMA0", O_WRONLY | O_NOCTTY | O_NDELAY);		//Open in non blocking read/write mode
-	if (uart0_filestream == -1)
-	{
-		//ERROR - CAN'T OPEN SERIAL PORT
-		printf("Error - Unable to open UART.  Ensure it is not in use by another application\n");
-	}
-
-//	if (0)
-	{
-		//CONFIGURE THE UART
-		//The flags (defined in /usr/include/termios.h - see http://pubs.opengroup.org/onlinepubs/007908799/xsh/termios.h.html):
-		//	Baud rate:- B1200, B2400, B4800, B9600, B19200, B38400, B57600, B115200, B230400, B460800, B500000, B576000, B921600, B1000000, B1152000, B1500000, B2000000, B2500000, B3000000, B3500000, B4000000
-		//	CSIZE:- CS5, CS6, CS7, CS8
-		//	CLOCAL - Ignore modem status lines
-		//	CREAD - Enable receiver
-		//	IGNPAR = Ignore characters with parity errors
-		//	ICRNL - Map CR to NL on input (Use for ASCII comms where you want to auto correct end of line characters - don't use for bianry comms!)
-		//	PARENB - Parity enable
-		//	PARODD - Odd parity (else even)
-		struct termios options;
-		tcgetattr(uart0_filestream, &options);
-		options.c_cflag = B4000000 | CS8 | CLOCAL;		//<Set baud rate
-		options.c_iflag = IGNPAR;
-		options.c_oflag = 0;
-		options.c_lflag = 0;
-		cfmakeraw(&options);
-
-		std::cout << "options.c_cflag = " << options.c_cflag << std::endl;
-		std::cout << "options.c_iflag = " << options.c_iflag << std::endl;
-		std::cout << "options.c_oflag = " << options.c_oflag << std::endl;
-		std::cout << "options.c_lflag = " << options.c_lflag << std::endl;
-
-		tcflush(uart0_filestream, TCIFLUSH);
-		tcsetattr(uart0_filestream, TCSANOW, &options);
-		// Let's verify configured options
-		tcgetattr(uart0_filestream, &options);
-
-		std::cout << "options.c_cflag = " << options.c_cflag << std::endl;
-		std::cout << "options.c_iflag = " << options.c_iflag << std::endl;
-		std::cout << "options.c_oflag = " << options.c_oflag << std::endl;
-		std::cout << "options.c_lflag = " << options.c_lflag << std::endl;
-	}
-	{
-		struct serial_struct ser;
-
-		if (-1 == ioctl(uart0_filestream, TIOCGSERIAL, &ser))
-		{
-			std::cerr << "Failed to obtian 'serial_struct' for setting custom baudrate" << std::endl;
-		}
-
-		std::cout << "Current divisor: " << ser.custom_divisor << " ( = " << ser.baud_base << " / 4000000" << std::endl;
-
-		// set custom divisor
-		ser.custom_divisor = ser.baud_base / 8000000;
-		// update flags
-		ser.flags &= ~ASYNC_SPD_MASK;
-		ser.flags |= ASYNC_SPD_CUST;
-
-		std::cout << "Current divisor: " << ser.custom_divisor << " ( = " << ser.baud_base << " / 8000000" << std::endl;
-
-
-		if (-1 == ioctl(uart0_filestream, TIOCSSERIAL, &ser))
-		{
-			std::cerr << "Failed to configure 'serial_struct' for setting custom baudrate" << std::endl;
-		}
-
-		// Check result
-		if (-1 == ioctl(uart0_filestream, TIOCGSERIAL, &ser))
-		{
-			std::cerr << "Failed to obtian 'serial_struct' for setting custom baudrate" << std::endl;
-		}
-
-		std::cout << "Current divisor: " << ser.custom_divisor << " ( = " << ser.baud_base << " / 4000000" << std::endl;
-	}
-
-
-	if (uart0_filestream < 0)
-	{
-		std::cerr << "Opening the device has failed" << std::endl;
-		return -1;
-	}
-
-	//----- TX BYTES -----
-	std::vector<ColorSignal> signalData(10, RED_Signal);
-
-	int loopCnt = 0;
-	std::cout << "Type 'c' to continue, 'q' or 'x' to quit: ";
-	while (_running)
-	{
-		char c = getchar();
-		if (c == 'q' || c == 'x')
-		{
-			break;
-		}
-		if (c != 'c')
-		{
-			continue;
-		}
-
-		set_realtime_priority();
-		for (int iRun=0; iRun<10; ++iRun)
-		{
-//			tcflush(uart0_filestream, TCOFLUSH);
-			write(uart0_filestream, signalData.data(), signalData.size()*sizeof(ColorSignal));
-			tcdrain(uart0_filestream);
-
-			usleep(100000);
-			++loopCnt;
-
-			if (loopCnt%3 == 2)
-				signalData = std::vector<ColorSignal>(10, GREEN_Signal);
-			else if(loopCnt%3 == 1)
-				signalData = std::vector<ColorSignal>(10, BLUE_Signal);
-			else if(loopCnt%3 == 0)
-				signalData = std::vector<ColorSignal>(10, RED_Signal);
-
-		}
-	}
-
-	signalData = std::vector<ColorSignal>(50, BLACK_Signal);
-	write(uart0_filestream, signalData.data(), signalData.size()*sizeof(ColorSignal));
-	//----- CLOSE THE UART -----
-	close(uart0_filestream);
-
-	std::cout << "Program finished" << std::endl;
-
-	return 0;
-}
-
-std::vector<uint8_t> bit3Encode(const std::vector<uint8_t> & bytes);
-uint8_t bit3Encode(const bool bit_1, const bool bit_2, const bool bit_3);
-
-void test3bitsEncoding()
-{
-	//OPEN THE UART
-//	int uart0_filestream = open("/dev/ttyAMA0", O_WRONLY | O_NOCTTY | O_NDELAY);
-	int uart0_filestream = open("/dev/ttyUSB0", O_WRONLY | O_NOCTTY | O_NDELAY);
-	if (uart0_filestream == -1)
-	{
-		//ERROR - CAN'T OPEN SERIAL PORT
-		printf("Error - Unable to open UART.  Ensure it is not in use by another application\n");
-		return;
-	}
-
-	// Configure the port
-	struct termios options;
-	tcgetattr(uart0_filestream, &options);
-	options.c_cflag = B2500000 | CS7 | CLOCAL;
-	options.c_iflag = IGNPAR;
-	options.c_oflag = 0;
-	options.c_lflag = 0;
-
-	tcflush(uart0_filestream, TCIFLUSH);
-	tcsetattr(uart0_filestream, TCSANOW, &options);
-
-	std::vector<uint8_t> colorRed;
-	for (unsigned i=0; i<10; ++i)
-	{
-		colorRed.push_back(0x00);
-		colorRed.push_back(0xFF);
-		colorRed.push_back(0x00);
-	}
-	std::vector<uint8_t> colorGreen;
-	for (unsigned i=0; i<10; ++i)
-	{
-		colorGreen.push_back(0xFF);
-		colorGreen.push_back(0x00);
-		colorGreen.push_back(0x00);
-	}
-	std::vector<uint8_t> colorBlue;
-	for (unsigned i=0; i<10; ++i)
-	{
-		colorBlue.push_back(0x00);
-		colorBlue.push_back(0x00);
-		colorBlue.push_back(0xFF);
-	}
-	std::vector<uint8_t> colorBlack;
-	for (unsigned i=0; i<10; ++i)
-	{
-		colorBlack.push_back(0x00);
-		colorBlack.push_back(0x00);
-		colorBlack.push_back(0x00);
-	}
-	const std::vector<uint8_t> colorRedSignal   = bit3Encode(colorRed);
-	const std::vector<uint8_t> colorGreenSignal = bit3Encode(colorGreen);
-	const std::vector<uint8_t> colorBlueSignal  = bit3Encode(colorBlue);
-	const std::vector<uint8_t> colorBlackSignal = bit3Encode(colorBlack);
-
-	for (unsigned i=0; i<100; ++i)
-	{
-		size_t res;
-		res = write(uart0_filestream, colorRedSignal.data(), colorRedSignal.size());
-		(void)res;
-		usleep(100000);
-		res = write(uart0_filestream, colorGreenSignal.data(), colorGreenSignal.size());
-		(void)res;
-		usleep(100000);
-		res = write(uart0_filestream, colorBlueSignal.data(), colorBlueSignal.size());
-		(void)res;
-		usleep(100000);
-	}
-	size_t res = write(uart0_filestream, colorBlackSignal.data(), colorBlackSignal.size());
-	(void)res;
-	//----- CLOSE THE UART -----
-	res = close(uart0_filestream);
-	(void)res;
-
-	std::cout << "Program finished" << std::endl;
-}
-
-std::vector<uint8_t> bit3Encode(const std::vector<uint8_t> & bytes)
-{
-	std::vector<uint8_t> result;
-
-	for (unsigned iByte=0; iByte<bytes.size(); iByte+=3)
-	{
-		const uint8_t & byte1 = bytes[iByte];
-		const uint8_t & byte2 = bytes[iByte + 1];
-		const uint8_t & byte3 = bytes[iByte + 2];
-
-		result.push_back(bit3Encode(byte1 & 0x80, byte1 & 0x40, byte1 & 0x20));
-		result.push_back(bit3Encode(byte1 & 0x10, byte1 & 0x08, byte1 & 0x04));
-		result.push_back(bit3Encode(byte1 & 0x02, byte1 & 0x01, byte2 & 0x80));
-		result.push_back(bit3Encode(byte2 & 0x40, byte2 & 0x20, byte2 & 0x10));
-		result.push_back(bit3Encode(byte2 & 0x08, byte2 & 0x04, byte2 & 0x02));
-		result.push_back(bit3Encode(byte2 & 0x01, byte3 & 0x80, byte3 & 0x40));
-		result.push_back(bit3Encode(byte3 & 0x20, byte3 & 0x10, byte3 & 0x08));
-		result.push_back(bit3Encode(byte3 & 0x04, byte3 & 0x02, byte3 & 0x01));
-	}
-
-	return result;
-}
-
-uint8_t bit3Encode(const bool bit_1, const bool bit_2, const bool bit_3)
-{
-	// Bit index(default):1   2   3
-	//                    |   |   |
-	// default value  (1) 00 100 10 (0)
-	//
-	// Reversed value (1) 01 001 00 (0)
-	//                    |   |   |
-	// Bit index (rev):   3   2   1
-	uint8_t result = 0x24;
-
-	if(bit_1)
-	{
-		result |= 0x01;
-	}
-	if (bit_2)
-	{
-		result |= 0x08;
-	}
-	if (bit_3)
-	{
-		result |= 0x40;
-	}
-
-	return ~result;
-}

test/dispmanx2png/dispmanx2png.cpp

@@ -10,7 +10,7 @@
 #include <getoptPlusPlus/getoptpp.h>
 
 // Dispmanx grabber includes
-#include <dispmanx-grabber/DispmanxFrameGrabber.h>
+#include <grabber/dispmanx/DispmanxFrameGrabber.h>
 
 using namespace vlofgren;