hyperion.ng/libsrc/leddevice/LedDeviceAtmo.cpp
redPanther d6a34edfb2 Leddevice refactoring the next part (#253)
* add general switchOff

* refactoring of leddevices regarding ledcount and switchoff

* remove obsolete includes
2016-09-23 08:49:22 +02:00

35 lines
1003 B
C++

// hyperion local includes
#include "LedDeviceAtmo.h"
LedDeviceAtmo::LedDeviceAtmo(const Json::Value &deviceConfig)
: ProviderRs232(deviceConfig)
{
_ledBuffer.resize(4 + 5*3); // 4-byte header, 5 RGB values
_ledBuffer[0] = 0xFF; // Startbyte
_ledBuffer[1] = 0x00; // StartChannel(Low)
_ledBuffer[2] = 0x00; // StartChannel(High)
_ledBuffer[3] = 0x0F; // Number of Databytes send (always! 15)
}
LedDevice* LedDeviceAtmo::construct(const Json::Value &deviceConfig)
{
return new LedDeviceAtmo(deviceConfig);
}
int LedDeviceAtmo::write(const std::vector<ColorRgb> &ledValues)
{
// The protocol is shomehow limited. we always need to send exactly 5 channels + header
// (19 bytes) for the hardware to recognize the data
if (_ledCount != 5)
{
Error( _log, "%d channels configured. This should always be 5!", _ledCount);
return 0;
}
// write data
memcpy(4 + _ledBuffer.data(), ledValues.data(), _ledCount * sizeof(ColorRgb));
return writeBytes(_ledBuffer.size(), _ledBuffer.data());
}