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add files for P9813 support
Former-commit-id: 66a4d02bf0e2c7f85d2713a906461df11931cfff
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34
libsrc/leddevice/LedDeviceP9813.cpp
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34
libsrc/leddevice/LedDeviceP9813.cpp
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// STL includes
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#include <cstring>
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#include <cstdio>
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#include <iostream>
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// Linux includes
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#include <fcntl.h>
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#include <sys/ioctl.h>
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// hyperion local includes
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#include "LedDeviceP9813.h"
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LedDeviceP9813::LedDeviceP9813(const std::string& outputDevice, const unsigned baudrate) :
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LedSpiDevice(outputDevice, baudrate, 0),
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mLedCount(0)
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{
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// empty
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}
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int LedDeviceP9813::write(const std::vector<ColorRgb> &ledValues)
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{
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mLedCount = ledValues.size();
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const unsigned dataLen = ledValues.size() * sizeof(ColorRgb);
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const uint8_t * dataPtr = reinterpret_cast<const uint8_t *>(ledValues.data());
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return writeBytes(dataLen, dataPtr);
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}
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int LedDeviceP9813::switchOff()
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{
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return write(std::vector<ColorRgb>(mLedCount, ColorRgb{0,0,0}));
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}
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39
libsrc/leddevice/LedDeviceP9813.h
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39
libsrc/leddevice/LedDeviceP9813.h
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#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 mLedCount;
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};
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