hyperion.ng/libsrc/leddevice/LedDeviceWs2801.cpp
penfold42 5a902add81 Added "invert" and "spimode" options to ws2801, ws2812spi and sk6812spi devices (#172)
* Added "invert" and "spimode" options to ws2801, ws2812spi and sk6812spi devices

* fixed test/TestSpi.cpp

* some coding style wish
2016-08-13 19:54:08 +02:00

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856 B
C++

// STL includes
#include <cstring>
#include <cstdio>
#include <iostream>
// Linux includes
#include <fcntl.h>
#include <sys/ioctl.h>
// hyperion local includes
#include "LedDeviceWs2801.h"
LedDeviceWs2801::LedDeviceWs2801(const std::string& outputDevice, const unsigned baudrate, const unsigned latchTime,
const int spiMode, const bool spiDataInvert)
: LedSpiDevice(outputDevice, baudrate, latchTime, spiMode, spiDataInvert)
, mLedCount(0)
{
// empty
}
int LedDeviceWs2801::write(const std::vector<ColorRgb> &ledValues)
{
mLedCount = ledValues.size();
const unsigned dataLen = ledValues.size() * sizeof(ColorRgb);
const uint8_t * dataPtr = reinterpret_cast<const uint8_t *>(ledValues.data());
return writeBytes(dataLen, dataPtr);
}
int LedDeviceWs2801::switchOff()
{
return write(std::vector<ColorRgb>(mLedCount, ColorRgb{0,0,0}));
}