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
39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
#include "LedDeviceLpd6803.h"
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LedDeviceLpd6803::LedDeviceLpd6803(const Json::Value &deviceConfig)
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: ProviderSpi()
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{
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_deviceReady = init(deviceConfig);
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}
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LedDevice* LedDeviceLpd6803::construct(const Json::Value &deviceConfig)
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{
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return new LedDeviceLpd6803(deviceConfig);
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}
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bool LedDeviceLpd6803::init(const Json::Value &deviceConfig)
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{
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ProviderSpi::init(deviceConfig);
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unsigned messageLength = 4 + 2*_ledCount + _ledCount/8 + 1;
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// Initialise the buffer
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_ledBuffer.resize(messageLength, 0x00);
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return true;
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}
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int LedDeviceLpd6803::write(const std::vector<ColorRgb> &ledValues)
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{
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// Copy the colors from the ColorRgb vector to the Ldp6803 data vector
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for (unsigned iLed=0; iLed<(unsigned)_ledCount; ++iLed)
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{
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const ColorRgb& color = ledValues[iLed];
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_ledBuffer[4 + 2 * iLed] = 0x80 | ((color.red & 0xf8) >> 1) | (color.green >> 6);
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_ledBuffer[5 + 2 * iLed] = ((color.green & 0x38) << 2) | (color.blue >> 3);
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}
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// Write the data
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return (writeBytes(_ledBuffer.size(), _ledBuffer.data()) < 0) ? -1 : 0;
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}
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