#pragma once // STL includes #include // hyperion incluse #include "LedSpiDevice.h" /// /// Implementation of the LedDevice interface for writing to Ws2801 led device. /// class LedDeviceWs2812SPI : public LedSpiDevice { public: /// /// Constructs the LedDevice for a string containing leds of the type Ws2812SPI /// /// @param outputDevice The name of the output device (eg '/etc/SpiDev.0.0') /// @param baudrate The used baudrate for writing to the output device /// LedDeviceWs2812SPI(const std::string& outputDevice, const unsigned baudrate); LedDeviceWs2812SPI(const std::string& outputDevice, const unsigned baudrate, const unsigned latchTime); /// /// 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 &ledValues); /// Switch the leds off virtual int switchOff(); private: /// the number of leds (needed when switching off) size_t mLedCount; std::vector _spiBuffer; uint8_t bitpair_to_byte[4]; };