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