hyperion.ng/libsrc/leddevice/dev_rpi_pwm/LedDeviceWS281x.h

58 lines
1.3 KiB
C++

#pragma once
// LedDevice includes
#include <leddevice/LedDevice.h>
#include <ws2811.h>
///
/// Implementation of the LedDevice interface for writing to Ws2812 led device via pwm.
///
class LedDeviceWS281x : public LedDevice
{
public:
///
/// Constructs specific LedDevice
///
/// @param deviceConfig json device config
///
explicit LedDeviceWS281x(const QJsonObject &deviceConfig);
///
/// Destructor of the LedDevice, waits for DMA to complete and then cleans up
///
virtual ~LedDeviceWS281x() override;
/// 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) override;
public slots:
///
/// Closes the output device.
/// Includes switching-off the device and stopping refreshes
///
virtual void close() override;
protected:
///
/// 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) override;
private:
ws2811_t _led_string;
int _channel;
RGBW::WhiteAlgorithm _whiteAlgorithm;
ColorRgbw _temp_rgbw;
};