Merge branch 'bbilger-master'

Former-commit-id: 4d5a4f9f2e867ab10ed0c483ecc3fd72c9be3a8c
This commit is contained in:
T. van der Zwan 2014-03-06 21:56:31 +01:00
commit cbd354c18f
14 changed files with 3614 additions and 9 deletions

2
.gitignore vendored
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@ -1,3 +1,5 @@
/*.user /*.user
/build /build
/build-x86 /build-x86
.DS_Store

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@ -16,6 +16,9 @@ message(STATUS "ENABLE_SPIDEV = " ${ENABLE_SPIDEV})
option(ENABLE_V4L2 "Enable the V4L2 grabber" ON) option(ENABLE_V4L2 "Enable the V4L2 grabber" ON)
message(STATUS "ENABLE_V4L2 = " ${ENABLE_V4L2}) message(STATUS "ENABLE_V4L2 = " ${ENABLE_V4L2})
option(ENABLE_TINKERFORGE "Enable the TINKERFORGE device" OFF)
message(STATUS "ENABLE_TINKERFORGE = " ${ENABLE_TINKERFORGE})
# Createt the configuration file # Createt the configuration file
# configure a header file to pass some of the CMake settings # configure a header file to pass some of the CMake settings
# to the source code # to the source code
@ -62,6 +65,10 @@ set(CMAKE_FIND_LIBRARY_SUFFIXES_OLD)
find_package(libusb-1.0 REQUIRED) find_package(libusb-1.0 REQUIRED)
find_package(Threads REQUIRED) find_package(Threads REQUIRED)
if (ENABLE_TINKERFORGE)
#find_package(libtinkerforge-1.0 REQUIRED)
endif (ENABLE_TINKERFORGE)
include(${QT_USE_FILE}) include(${QT_USE_FILE})
add_definitions(${QT_DEFINITIONS}) add_definitions(${QT_DEFINITIONS})
# TODO[TvdZ]: This linking directory should only be added if we are cross compiling # TODO[TvdZ]: This linking directory should only be added if we are cross compiling

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

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

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@ -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)

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@ -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;
}

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/* ***********************************************************
* 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

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/*
* 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

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@ -8,8 +8,8 @@ find_package(libusb-1.0 REQUIRED)
find_package(Threads REQUIRED) find_package(Threads REQUIRED)
include_directories( include_directories(
../../include/hidapi ../../include/hidapi
${LIBUSB_1_INCLUDE_DIRS}) # for Lightpack device ${LIBUSB_1_INCLUDE_DIRS}) # for Lightpack device
# Group the headers that go through the MOC compiler # Group the headers that go through the MOC compiler
SET(Leddevice_QT_HEADERS SET(Leddevice_QT_HEADERS
@ -67,6 +67,17 @@ if(ENABLE_SPIDEV)
) )
endif(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}) QT4_WRAP_CPP(Leddevice_HEADERS_MOC ${Leddevice_QT_HEADERS})
@ -78,12 +89,17 @@ add_library(leddevice
) )
target_link_libraries(leddevice target_link_libraries(leddevice
hyperion-utils hyperion-utils
serialport serialport
${LIBUSB_1_LIBRARIES} #apt-get install libusb-1.0-0-dev ${LIBUSB_1_LIBRARIES} #apt-get install libusb-1.0-0-dev
${CMAKE_THREAD_LIBS_INIT} ${CMAKE_THREAD_LIBS_INIT}
${QT_LIBRARIES} ${QT_LIBRARIES}
) )
if(ENABLE_TINKERFORGE)
target_link_libraries(leddevice tinkerforge)
endif()
if(APPLE) if(APPLE)
target_link_libraries(leddevice hidapi-mac) target_link_libraries(leddevice hidapi-mac)
else() else()

View File

@ -16,6 +16,10 @@
#include "LedDeviceWs2801.h" #include "LedDeviceWs2801.h"
#endif #endif
#ifdef ENABLE_TINKERFORGE
#include "LedDeviceTinkerforge.h"
#endif
#include "LedDeviceAdalight.h" #include "LedDeviceAdalight.h"
#include "LedDeviceLightpack.h" #include "LedDeviceLightpack.h"
#include "LedDeviceMultiLightpack.h" #include "LedDeviceMultiLightpack.h"
@ -87,6 +91,22 @@ LedDevice * LedDeviceFactory::construct(const Json::Value & deviceConfig)
device = deviceWs2801; device = deviceWs2801;
} }
#endif #endif
#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();
LedDeviceTinkerforge* deviceTinkerforge = new LedDeviceTinkerforge(host, port, uid, rate);
deviceTinkerforge->open();
device = deviceTinkerforge;
}
#endif
// else if (type == "ws2811") // else if (type == "ws2811")
// { // {
// const std::string output = deviceConfig["output"].asString(); // const std::string output = deviceConfig["output"].asString();

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@ -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::cerr << "Switchoff" << std::endl;
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 * redPtr = redChannel;
uint8_t * greenPtr = greenChannel;
uint8_t * bluePtr = blueChannel;
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;
const int status = led_strip_set_rgb_values(ledStrip, i, copyLength, redPtr, greenPtr, bluePtr);
redPtr += copyLength;
greenPtr += copyLength;
bluePtr += copyLength;
if (status != E_OK)
{
std::cerr << "Setting led values failed with status " << status << std::endl;
return status;
}
}
return E_OK;
}

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@ -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;
};