39 lines
1017 B
C++
39 lines
1017 B
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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// hyperion local includes
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#include "LedDeviceTpm2.h"
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LedDeviceTpm2::LedDeviceTpm2(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 LedDeviceTpm2::write(const std::vector<ColorRgb> &ledValues)
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{
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if (_ledBuffer.size() == 0)
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{
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_ledBuffer.resize(5 + 3*ledValues.size());
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_ledBuffer[0] = 0xC9; // block-start byte
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_ledBuffer[1] = 0xDA; // DATA frame
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_ledBuffer[2] = ((3 * ledValues.size()) >> 8) & 0xFF; // frame size high byte
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_ledBuffer[3] = (3 * ledValues.size()) & 0xFF; // frame size low byte
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_ledBuffer.back() = 0x36; // block-end byte
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}
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// write data
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memcpy(4 + _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 LedDeviceTpm2::switchOff()
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{
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memset(4 + _ledBuffer.data(), 0, _ledBuffer.size() - 5);
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return writeBytes(_ledBuffer.size(), _ledBuffer.data());
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}
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