mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2023-10-10 13:36:59 +02:00
cc8185691a
%s/LedUdpDevice/ProviderUdp/g git mv LedUdpDevice.cpp ProviderUdp.cpp git mv LedUdpDevice.h ProviderUdp.h vi `grep -l LedHID *` %s/LedHIDDevice/ProviderHID/g git mv LedHIDDevice.cpp ProviderHID.cpp git mv LedHIDDevice.h ProviderHID.h vi `grep -l LedRs *` %s/LedRs232Device/ProviderRs232/g git mv LedRs232Device.cpp ProviderRs232.cpp git mv LedRs232Device.h ProviderRs232.h vi `grep -l LedSpi *` %s/LedSpiDevice/ProviderSpi/g git mv LedSpiDevice.cpp ProviderSpi.cpp git mv LedSpiDevice.h ProviderSpi.h
82 lines
1.9 KiB
C++
82 lines
1.9 KiB
C++
|
|
// STL includes
|
|
#include <cstring>
|
|
#include <cstdio>
|
|
#include <iostream>
|
|
|
|
// Linux includes
|
|
#include <fcntl.h>
|
|
#include <sys/ioctl.h>
|
|
|
|
// hyperion local includes
|
|
#include "LedDeviceSk6812SPI.h"
|
|
|
|
LedDeviceSk6812SPI::LedDeviceSk6812SPI(const Json::Value &deviceConfig)
|
|
: ProviderSpi(deviceConfig)
|
|
, bitpair_to_byte {
|
|
0b10001000,
|
|
0b10001100,
|
|
0b11001000,
|
|
0b11001100,
|
|
}
|
|
|
|
{
|
|
setConfig(deviceConfig);
|
|
Debug( _log, "whiteAlgorithm : %s", _whiteAlgorithm.c_str());
|
|
}
|
|
|
|
LedDevice* LedDeviceSk6812SPI::construct(const Json::Value &deviceConfig)
|
|
{
|
|
return new LedDeviceSk6812SPI(deviceConfig);
|
|
}
|
|
|
|
bool LedDeviceSk6812SPI::setConfig(const Json::Value &deviceConfig)
|
|
{
|
|
ProviderSpi::setConfig(deviceConfig);
|
|
_whiteAlgorithm = deviceConfig.get("white_algorithm","").asString();
|
|
|
|
return true;
|
|
}
|
|
|
|
int LedDeviceSk6812SPI::write(const std::vector<ColorRgb> &ledValues)
|
|
{
|
|
_ledCount = ledValues.size();
|
|
|
|
// 4 colours, 4 spi bytes per colour + 3 frame end latch bytes
|
|
#define COLOURS_PER_LED 4
|
|
#define SPI_BYTES_PER_COLOUR 4
|
|
#define SPI_BYTES_PER_LED COLOURS_PER_LED * SPI_BYTES_PER_COLOUR
|
|
|
|
unsigned spi_size = _ledCount * SPI_BYTES_PER_LED + 3;
|
|
if(_ledBuffer.size() != spi_size){
|
|
_ledBuffer.resize(spi_size, 0x00);
|
|
}
|
|
|
|
unsigned spi_ptr = 0;
|
|
|
|
for (const ColorRgb& color : ledValues) {
|
|
Rgb_to_Rgbw(color, &_temp_rgbw, _whiteAlgorithm);
|
|
uint32_t colorBits =
|
|
((uint32_t)_temp_rgbw.red << 24) +
|
|
((uint32_t)_temp_rgbw.green << 16) +
|
|
((uint32_t)_temp_rgbw.blue << 8) +
|
|
_temp_rgbw.white;
|
|
|
|
for (int j=SPI_BYTES_PER_LED - 1; j>=0; j--) {
|
|
_ledBuffer[spi_ptr+j] = bitpair_to_byte[ colorBits & 0x3 ];
|
|
colorBits >>= 2;
|
|
}
|
|
spi_ptr += SPI_BYTES_PER_LED;
|
|
}
|
|
_ledBuffer[spi_ptr++] = 0;
|
|
_ledBuffer[spi_ptr++] = 0;
|
|
_ledBuffer[spi_ptr++] = 0;
|
|
|
|
return writeBytes(spi_size, _ledBuffer.data());
|
|
}
|
|
|
|
int LedDeviceSk6812SPI::switchOff()
|
|
{
|
|
return write(std::vector<ColorRgb>(_ledCount, ColorRgb{0,0,0}));
|
|
}
|