hyperion.ng/libsrc/leddevice/LedDeviceSedu.cpp
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53 lines
1.1 KiB
C++

#include "LedDeviceSedu.h"
struct FrameSpec
{
uint8_t id;
size_t size;
};
LedDeviceSedu::LedDeviceSedu(const QJsonObject &deviceConfig)
: ProviderRs232()
{
_deviceReady = init(deviceConfig);
}
LedDevice* LedDeviceSedu::construct(const QJsonObject &deviceConfig)
{
return new LedDeviceSedu(deviceConfig);
}
bool LedDeviceSedu::init(const QJsonObject &deviceConfig)
{
ProviderRs232::init(deviceConfig);
std::vector<FrameSpec> frameSpecs{{0xA1, 256}, {0xA2, 512}, {0xB0, 768}, {0xB1, 1536}, {0xB2, 3072} };
for (const FrameSpec& frameSpec : frameSpecs)
{
if ((unsigned)_ledRGBCount <= frameSpec.size)
{
_ledBuffer.clear();
_ledBuffer.resize(frameSpec.size + 3, 0);
_ledBuffer[0] = 0x5A;
_ledBuffer[1] = frameSpec.id;
_ledBuffer.back() = 0xA5;
break;
}
}
if (_ledBuffer.size() == 0)
{
Warning(_log, "More rgb-channels required then available");
return false;
}
return true;
}
int LedDeviceSedu::write(const std::vector<ColorRgb> &ledValues)
{
memcpy(_ledBuffer.data()+2, ledValues.data(), ledValues.size() * sizeof(ColorRgb));
return writeBytes(_ledBuffer.size(), _ledBuffer.data());
}