51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
#pragma once
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// STL includes
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#include <string>
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// hyperion include
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#include "LedSpiDevice.h"
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///
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/// Implementation of the LedDevice interface for writing to P9813 led device.
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///
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class LedDeviceP9813 : 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 P9813
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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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LedDeviceP9813(const std::string& outputDevice,
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const unsigned baudrate);
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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
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size_t _ledCount;
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/// Buffer for writing/written led data
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std::vector<uint8_t> _ledBuf;
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///
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/// Calculates the required checksum for one led
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///
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/// @param color The color of the led
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/// @return The checksum for the led
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///
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uint8_t calculateChecksum(const ColorRgb & color) const;
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};
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