Added first implementation of Paintpack device

Former-commit-id: 0ef7025a3ad67aebb0268e888b26b1d5095e27d8

libsrc/hyperion/CMakeLists.txt

@@ -49,6 +49,7 @@ SET(Hyperion_HEADERS
 		${CURRENT_SOURCE_DIR}/device/LedDeviceLpd6803.h
 		${CURRENT_SOURCE_DIR}/device/LedDeviceLpd8806.h
 		${CURRENT_SOURCE_DIR}/device/LedDeviceLightpack.h
+		${CURRENT_SOURCE_DIR}/device/LedDevicePaintpack.h
 		${CURRENT_SOURCE_DIR}/device/LedDeviceMultiLightpack.h
 )
 
@@ -74,6 +75,7 @@ SET(Hyperion_SOURCES
 		${CURRENT_SOURCE_DIR}/device/LedDeviceLpd8806.cpp
 		${CURRENT_SOURCE_DIR}/device/LedDeviceAdalight.cpp
 		${CURRENT_SOURCE_DIR}/device/LedDeviceLightpack.cpp
+		${CURRENT_SOURCE_DIR}/device/LedDevicePaintpack.cpp
 		${CURRENT_SOURCE_DIR}/device/LedDeviceMultiLightpack.cpp
 )
 
@@ -95,6 +97,7 @@ add_library(hyperion
 
 target_link_libraries(hyperion
 		hyperion-utils
+		hidapi-libusb
 		serialport
 		${LIBUSB_1_LIBRARIES} #apt-get install libusb-1.0-0-dev
 		${CMAKE_THREAD_LIBS_INIT}

libsrc/hyperion/Hyperion.cpp

@@ -22,6 +22,7 @@
 #include "device/LedDeviceTest.h"
 #include "device/LedDeviceWs2801.h"
 #include "device/LedDeviceAdalight.h"
+#include "device/LedDevicePaintpack.h"
 #include "device/LedDeviceLightpack.h"
 #include "device/LedDeviceMultiLightpack.h"
 
@@ -95,6 +96,13 @@ LedDevice* Hyperion::createDevice(const Json::Value& deviceConfig)
 
 		device = deviceLightpack;
 	}
+	else if (type == "paintpack")
+	{
+		LedDevicePaintpack * devicePainLightpack = new LedDevicePaintpack();
+		devicePainLightpack->open();
+
+		device = devicePainLightpack;
+	}
 	else if (type == "multi-lightpack")
 	{
 		LedDeviceMultiLightpack* deviceLightpack = new LedDeviceMultiLightpack();

libsrc/hyperion/device/LedDevicePaintpack.cpp

@@ -0,0 +1,77 @@
+
+// Hyperion includes
+#include "LedDevicePaintpack.h"
+
+LedDevicePaintpack::LedDevicePaintpack() :
+	LedDevice(),
+	_deviceHandle(nullptr)
+{
+	// empty
+}
+
+int LedDevicePaintpack::open()
+{
+	// initialize the usb context
+	int error = hid_init();
+	if (error != 0)
+	{
+		std::cerr << "Error while initializing the hidapi context" << std::endl;
+		return -1;
+	}
+	std::cout << "Hidapi initialized" << std::endl;
+
+	// Initialise the paintpack device
+	const unsigned short Paintpack_VendorId  = 0x0ebf;
+	const unsigned short Paintpack_ProductId = 0x0025;
+	_deviceHandle = hid_open(Paintpack_VendorId, Paintpack_ProductId, nullptr);
+	if (_deviceHandle == nullptr)
+	{
+		// Failed to open the device
+		std::cerr << "Failed to open HID Paintpakc device " << std::endl;
+		return -1;
+	}
+
+	return 0;
+}
+
+LedDevicePaintpack::~LedDevicePaintpack()
+{
+	if (_deviceHandle != nullptr)
+	{
+		hid_close(_deviceHandle);
+		_deviceHandle = nullptr;
+	}
+
+	hid_exit();
+}
+
+int LedDevicePaintpack::write(const std::vector<ColorRgb>& ledValues)
+{
+	if (_ledBuffer.size() < 3 + ledValues.size()*3)
+	{
+		_ledBuffer.resize(3 + ledValues.size()*3, uint8_t(0));
+
+		_ledBuffer[0] = 0;
+		_ledBuffer[1] = 3;
+		_ledBuffer[2] = 0;
+	}
+
+	auto bufIt = _ledBuffer.begin()+3;
+	for (const ColorRgb & ledValue : ledValues)
+	{
+		*bufIt = ledValue.red;
+		++bufIt;
+		*bufIt = ledValue.green;
+		++bufIt;
+		*bufIt = ledValue.blue;
+		++bufIt;
+	}
+
+	return hid_write(_deviceHandle, _ledBuffer.data(), _ledBuffer.size());
+}
+
+int LedDevicePaintpack::switchOff()
+{
+	std::fill(_ledBuffer.begin()+3, _ledBuffer.end(), uint8_t(0));
+	return hid_write(_deviceHandle, _ledBuffer.data(), _ledBuffer.size());
+}

libsrc/hyperion/device/LedDevicePaintpack.h

@@ -0,0 +1,59 @@
+#pragma once
+
+// STL includes
+#include <vector>
+
+// libusb include
+#include <hidapi/hidapi.h>
+
+// Hyperion includes
+#include <hyperion/LedDevice.h>
+
+///
+/// LedDevice implementation for a paintpack device ()
+///
+class LedDevicePaintpack : public LedDevice
+{
+public:
+	/**
+	 * Constructs the paintpack device
+	 */
+	LedDevicePaintpack();
+
+	/**
+	 * Destructs the paintpack device, closes USB connection if open
+	 */
+	virtual ~LedDevicePaintpack();
+
+	/**
+	 * Opens the Paintpack 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:
+	/// libusb device handle
+	hid_device * _deviceHandle;
+
+	/// buffer for led data
+	std::vector<uint8_t> _ledBuffer;
+
+
+};