mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2023-10-10 13:36:59 +02:00
5aac2be702
* switch rs232 provider to completly async transfer * start of implementing a seperate init function for leddevices * rename setconfig to init * more fixes * implement missing code * fix code style * remove debug code * remove debug stuff * set loglevel to original state
73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
#include "LedDeviceSk6812SPI.h"
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LedDeviceSk6812SPI::LedDeviceSk6812SPI(const Json::Value &deviceConfig)
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: ProviderSpi()
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, _whiteAlgorithm(RGBW::INVALID)
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, bitpair_to_byte {
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0b10001000,
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0b10001100,
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0b11001000,
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0b11001100,
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}
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{
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_deviceReady = init(deviceConfig);
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}
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LedDevice* LedDeviceSk6812SPI::construct(const Json::Value &deviceConfig)
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{
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return new LedDeviceSk6812SPI(deviceConfig);
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}
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bool LedDeviceSk6812SPI::init(const Json::Value &deviceConfig)
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{
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std::string whiteAlgorithm = deviceConfig.get("white_algorithm","white_off").asString();
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_whiteAlgorithm = RGBW::stringToWhiteAlgorithm(whiteAlgorithm);
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if (_whiteAlgorithm == RGBW::INVALID)
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{
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Error(_log, "unknown whiteAlgorithm %s", whiteAlgorithm.c_str());
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return false;
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}
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Debug( _log, "whiteAlgorithm : %s", whiteAlgorithm.c_str());
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_baudRate_Hz = 3000000;
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if ( !ProviderSpi::init(deviceConfig) )
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{
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return false;
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}
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const int SPI_BYTES_PER_COLOUR = 4;
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const int SPI_FRAME_END_LATCH_BYTES = 3;
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_ledBuffer.resize(_ledRGBWCount * SPI_BYTES_PER_COLOUR + SPI_FRAME_END_LATCH_BYTES, 0x00);
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return true;
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}
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int LedDeviceSk6812SPI::write(const std::vector<ColorRgb> &ledValues)
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{
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unsigned spi_ptr = 0;
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static const int SPI_BYTES_PER_LED = 4;
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for (const ColorRgb& color : ledValues)
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{
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RGBW::Rgb_to_Rgbw(color, &_temp_rgbw, _whiteAlgorithm);
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uint32_t colorBits =
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((uint32_t)_temp_rgbw.red << 24) +
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((uint32_t)_temp_rgbw.green << 16) +
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((uint32_t)_temp_rgbw.blue << 8) +
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_temp_rgbw.white;
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for (int j=SPI_BYTES_PER_LED - 1; j>=0; j--) {
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_ledBuffer[spi_ptr+j] = bitpair_to_byte[ colorBits & 0x3 ];
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colorBits >>= 2;
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}
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spi_ptr += SPI_BYTES_PER_LED;
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}
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_ledBuffer[spi_ptr++] = 0;
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_ledBuffer[spi_ptr++] = 0;
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_ledBuffer[spi_ptr++] = 0;
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return writeBytes(_ledBuffer.size(), _ledBuffer.data());
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}
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