hyperion.ng/libsrc/leddevice/LedDeviceSk6812SPI.h
penfold42 96037da1cf Added support for sk6812RGBW leds (ab)using the SPI interface. (#61)
right now it only uses RGB - white is set to zero
2016-06-27 22:43:35 +02:00

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C++

#pragma once
// STL includes
#include <string>
// hyperion incluse
#include "LedSpiDevice.h"
///
/// Implementation of the LedDevice interface for writing to Sk6801 led device.
///
class LedDeviceSk6812SPI : public LedSpiDevice
{
public:
///
/// Constructs the LedDevice for a string containing leds of the type Sk6812SPI
///
/// @param outputDevice The name of the output device (eg '/etc/SpiDev.0.0')
/// @param baudrate The used baudrate for writing to the output device
///
LedDeviceSk6812SPI(const std::string& outputDevice,
const unsigned baudrate);
///
/// 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:
/// the number of leds (needed when switching off)
size_t mLedCount;
std::vector<uint8_t> _spiBuffer;
uint8_t bitpair_to_byte[4];
};