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62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
// hyperion local includes
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#include "LedDeviceKarate.h"
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LedDeviceKarate::LedDeviceKarate(const QJsonObject &deviceConfig)
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: ProviderRs232(deviceConfig)
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{
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}
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LedDevice* LedDeviceKarate::construct(const QJsonObject &deviceConfig)
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{
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return new LedDeviceKarate(deviceConfig);
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}
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bool LedDeviceKarate::init(const QJsonObject &deviceConfig)
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{
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bool isInitOK = false;
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// Initialise sub-class
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if ( ProviderRs232::init(deviceConfig) )
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{
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if (_ledCount != 16)
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{
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//Error( _log, "%d channels configured. This should always be 16!", _ledCount);
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QString errortext = QString ("%1 channels configured. This should always be 16!").arg(_ledCount);
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this->setInError(errortext);
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isInitOK = false;
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}
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else
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{
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_ledBuffer.resize(4 + _ledCount * 3); // 4-byte header, 3 RGB values
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_ledBuffer[0] = 0xAA; // Startbyte
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_ledBuffer[1] = 0x12; // Send all Channels in Batch
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_ledBuffer[2] = 0x00; // Checksum
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_ledBuffer[3] = _ledCount * 3; // Number of Databytes send
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Debug( _log, "Karatelight header for %d leds: 0x%02x 0x%02x 0x%02x 0x%02x", _ledCount,
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_ledBuffer[0], _ledBuffer[1], _ledBuffer[2], _ledBuffer[3] );
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isInitOK = true;
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}
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}
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return isInitOK;
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}
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int LedDeviceKarate::write(const std::vector<ColorRgb> &ledValues)
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{
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for (signed iLed=0; iLed< static_cast<int>(_ledCount); iLed++)
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{
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const ColorRgb& rgb = ledValues[iLed];
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_ledBuffer[iLed*3+4] = rgb.green;
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_ledBuffer[iLed*3+5] = rgb.blue;
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_ledBuffer[iLed*3+6] = rgb.red;
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}
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// Calc Checksum
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_ledBuffer[2] = _ledBuffer[0] ^ _ledBuffer[1];
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for (unsigned int i = 3; i < _ledBuffer.size(); i++)
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_ledBuffer[2] ^= _ledBuffer[i];
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return writeBytes(_ledBuffer.size(), _ledBuffer.data());
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}
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