[UNTESTED] Add support for apa104 led type

libsrc/leddevice/dev_spi/LedDeviceAPA104.h

@@ -0,0 +1,43 @@
+#pragma once
+
+// hyperion incluse
+#include "ProviderSpi.h"
+
+///
+/// Implementation of the LedDevice interface for writing to APA104 led device via spi.
+///
+class LedDeviceAPA104 : public ProviderSpi
+{
+public:
+	///
+	/// Constructs specific LedDevice
+	///
+	/// @param deviceConfig json device config
+	///
+	LedDeviceAPA104(const QJsonObject &deviceConfig);
+
+	/// constructs leddevice
+	static LedDevice* construct(const QJsonObject &deviceConfig);
+
+	///
+	/// Sets configuration
+	///
+	/// @param deviceConfig the json device config
+	/// @return true if success
+	virtual bool init(const QJsonObject &deviceConfig);
+
+private:
+	///
+	/// 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);
+
+        const int SPI_BYTES_PER_COLOUR;
+
+	const int SPI_FRAME_END_LATCH_BYTES;
+
+	uint8_t bitpair_to_byte[4];
+};