73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
#include "LedDeviceAdalight.h"
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LedDeviceAdalight::LedDeviceAdalight(const QJsonObject &deviceConfig)
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: ProviderRs232()
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, _ligthBerryAPA102Mode(false)
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{
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_deviceReady = init(deviceConfig);
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}
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LedDevice* LedDeviceAdalight::construct(const QJsonObject &deviceConfig)
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{
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return new LedDeviceAdalight(deviceConfig);
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}
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bool LedDeviceAdalight::init(const QJsonObject &deviceConfig)
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{
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ProviderRs232::init(deviceConfig);
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_ligthBerryAPA102Mode = deviceConfig["lightberry_apa102_mode"].toBool(false);
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// create ledBuffer
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unsigned int bufferSize = 6; // 6 bytes header
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unsigned int totalLedCount = _ledCount;
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if (_ligthBerryAPA102Mode)
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{
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const unsigned int startFrameSize = 4;
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const unsigned int bytesPerRGBLed = 4;
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const unsigned int endFrameSize = std::max<unsigned int>(((_ledCount + 15) / 16), bytesPerRGBLed);
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bufferSize += (_ledCount * bytesPerRGBLed) + startFrameSize + endFrameSize ;
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}
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else
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{
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totalLedCount -= 1;
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bufferSize += _ledRGBCount;
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}
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_ledBuffer.resize(bufferSize, 0x00);
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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] = (((unsigned int)(totalLedCount)) >> 8) & 0xFF; // LED count high byte
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_ledBuffer[4] = ((unsigned int)(totalLedCount)) & 0xFF; // LED count low byte
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_ledBuffer[5] = _ledBuffer[3] ^ _ledBuffer[4] ^ 0x55; // Checksum
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Debug( _log, "Adalight header for %d leds: %c%c%c 0x%02x 0x%02x 0x%02x", _ledCount,
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_ledBuffer[0], _ledBuffer[1], _ledBuffer[2], _ledBuffer[3], _ledBuffer[4], _ledBuffer[5]
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);
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return true;
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}
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int LedDeviceAdalight::write(const std::vector<ColorRgb> & ledValues)
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{
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if(_ligthBerryAPA102Mode)
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{
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for (signed iLed=1; iLed<=_ledCount; iLed++)
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{
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const ColorRgb& rgb = ledValues[iLed-1];
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_ledBuffer[iLed*4+6] = 0xFF;
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_ledBuffer[iLed*4+1+6] = rgb.red;
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_ledBuffer[iLed*4+2+6] = rgb.green;
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_ledBuffer[iLed*4+3+6] = rgb.blue;
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}
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}
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else
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{
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memcpy(6 + _ledBuffer.data(), ledValues.data(), ledValues.size() * 3);
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}
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return writeBytes(_ledBuffer.size(), _ledBuffer.data());
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}
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