hyperion.ng/libsrc/leddevice/dev_spi/LedDeviceWs2812SPI.h

53 lines
1.2 KiB
C++

#ifndef LEDEVICEWS2812_H
#define LEDEVICEWS2812_H
// hyperion includes
#include "ProviderSpi.h"
///
/// Implementation of the LedDevice interface for writing to Ws2812 led device.
///
class LedDeviceWs2812SPI : public ProviderSpi
{
public:
///
/// @brief Constructs a Ws2812 LED-device
///
/// @param deviceConfig Device's configuration as JSON-Object
///
explicit LedDeviceWs2812SPI(const QJsonObject &deviceConfig);
///
/// @brief Constructs the LED-device
///
/// @param[in] deviceConfig Device's configuration as JSON-Object
/// @return LedDevice constructed
static LedDevice* construct(const QJsonObject &deviceConfig);
private:
///
/// @brief Initialise the device's configuration
///
/// @param[in] deviceConfig the JSON device configuration
/// @return True, if success
///
bool init(const QJsonObject &deviceConfig) override;
///
/// @brief Writes the RGB-Color values to the LEDs.
///
/// @param[in] ledValues The RGB-color per LED
/// @return Zero on success, else negative
///
int write(const std::vector<ColorRgb> & ledValues) override;
const int SPI_BYTES_PER_COLOUR;
const int SPI_FRAME_END_LATCH_BYTES;
uint8_t bitpair_to_byte[4];
};
#endif // LEDEVICEWS2812_H