mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2023-10-10 13:36:59 +02:00
39 lines
1014 B
C++
39 lines
1014 B
C++
#include "LedDeviceLpd6803.h"
|
|
|
|
LedDeviceLpd6803::LedDeviceLpd6803(const QJsonObject &deviceConfig)
|
|
: ProviderSpi()
|
|
{
|
|
_deviceReady = init(deviceConfig);
|
|
}
|
|
|
|
LedDevice* LedDeviceLpd6803::construct(const QJsonObject &deviceConfig)
|
|
{
|
|
return new LedDeviceLpd6803(deviceConfig);
|
|
}
|
|
|
|
bool LedDeviceLpd6803::init(const QJsonObject &deviceConfig)
|
|
{
|
|
ProviderSpi::init(deviceConfig);
|
|
|
|
unsigned messageLength = 4 + 2*_ledCount + _ledCount/8 + 1;
|
|
// Initialise the buffer
|
|
_ledBuffer.resize(messageLength, 0x00);
|
|
|
|
return true;
|
|
}
|
|
|
|
int LedDeviceLpd6803::write(const std::vector<ColorRgb> &ledValues)
|
|
{
|
|
// Copy the colors from the ColorRgb vector to the Ldp6803 data vector
|
|
for (unsigned iLed=0; iLed<(unsigned)_ledCount; ++iLed)
|
|
{
|
|
const ColorRgb& color = ledValues[iLed];
|
|
|
|
_ledBuffer[4 + 2 * iLed] = 0x80 | ((color.red & 0xf8) >> 1) | (color.green >> 6);
|
|
_ledBuffer[5 + 2 * iLed] = ((color.green & 0x38) << 2) | (color.blue >> 3);
|
|
}
|
|
|
|
// Write the data
|
|
return writeBytes(_ledBuffer.size(), _ledBuffer.data());
|
|
}
|