hyperion.ng/libsrc/leddevice/LedDeviceP9813.h

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#pragma once
// STL includes
#include <string>
// hyperion include
#include "LedSpiDevice.h"
///
/// Implementation of the LedDevice interface for writing to P9813 led device.
///
class LedDeviceP9813 : public LedSpiDevice
{
public:
///
/// Constructs the LedDevice for a string containing leds of the type P9813
///
/// @param outputDevice The name of the output device (eg '/etc/SpiDev.0.0')
/// @param baudrate The used baudrate for writing to the output device
///
LedDeviceP9813(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
size_t _ledCount;
/// Buffer for writing/written led data
std::vector<uint8_t> _ledBuf;
///
/// Calculates the required checksum for one led
///
/// @param color The color of the led
/// @return The checksum for the led
///
uint8_t calculateChecksum(const ColorRgb & color) const;
};