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47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
#pragma once
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#include <leddevice/LedDevice.h>
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#include <ws2811.h>
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class LedDeviceWS281x : public LedDevice
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{
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public:
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///
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/// Constructs the LedDevice for WS281x (one wire 800kHz)
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///
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/// @param gpio The gpio pin to use (BCM chip counting, default is 18)
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/// @param leds The number of leds attached to the gpio pin
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/// @param freq The target frequency for the data line, default is 800000
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/// @param dmanum The DMA channel to use, default is 5
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/// @param pwmchannel The pwm channel to use
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/// @param invert Invert the output line to support an inverting level shifter
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/// @param rgbw Send 32 bit rgbw colour data for sk6812
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///
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LedDeviceWS281x(const int gpio, const int leds, const uint32_t freq, int dmanum, int pwmchannel, int invert,
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int rgbw, const std::string& whiteAlgorithm);
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///
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/// Destructor of the LedDevice, waits for DMA to complete and then cleans up
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///
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~LedDeviceWS281x();
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///
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/// Writes the led color values to the led-device
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///
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/// @param ledValues The color-value per led
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/// @return Zero on succes else negative
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///
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virtual int write(const std::vector<ColorRgb> &ledValues);
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/// Switch the leds off
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virtual int switchOff();
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private:
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ws2811_t _led_string;
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int _channel;
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bool _initialized;
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std::string _whiteAlgorithm;
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ColorRgbw _temp_rgbw;
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};
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