43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
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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 "LedDeviceAdalight.h"
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LedDeviceAdalight::LedDeviceAdalight(const std::string& outputDevice, const unsigned baudrate) :
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LedRs232Device(outputDevice, baudrate),
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_ledBuffer(0)
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{
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// empty
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}
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int LedDeviceAdalight::write(const std::vector<RgbColor> &ledValues)
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{
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if (_ledBuffer.size() == 0)
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{
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_ledBuffer.resize(6 + 3*ledValues.size());
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_ledBuffer[0] = 'A';
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_ledBuffer[1] = 'd';
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_ledBuffer[2] = 'a';
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_ledBuffer[3] = ((ledValues.size() - 1) >> 8) & 0xFF; // LED count high byte
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_ledBuffer[4] = (ledValues.size() - 1) & 0xFF; // LED count low byte
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_ledBuffer[5] = _ledBuffer[3] ^ _ledBuffer[4] ^ 0x55; // Checksum
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}
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memcpy(6 + _ledBuffer.data(), ledValues.data(), ledValues.size() * 3);
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return writeBytes(_ledBuffer.size(), _ledBuffer.data());
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}
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int LedDeviceAdalight::switchOff()
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{
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memset(6 + _ledBuffer.data(), 0, _ledBuffer.size()-6);
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return writeBytes(_ledBuffer.size(), _ledBuffer.data());
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}
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