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7389068a66
* Refactor LedDevices - Initial version * Small renamings * Add WLED as own device * Lpd8806 Remove open() method * remove dependency on Qt 5.10 * Lpd8806 Remove open() method * Update WS281x * Update WS2812SPI * Add writeBlack for WLED powerOff * WLED remove extra bracket * Allow different Nanoleaf panel numbering sequence (Feature req.#827) * build(deps): bump websocket-extensions from 0.1.3 to 0.1.4 in /docs (#826) * Bumps [websocket-extensions](https://github.com/faye/websocket-extensions-node) from 0.1.3 to 0.1.4. - [Release notes](https://github.com/faye/websocket-extensions-node/releases) - [Changelog](https://github.com/faye/websocket-extensions-node/blob/master/CHANGELOG.md) - [Commits](https://github.com/faye/websocket-extensions-node/compare/0.1.3...0.1.4) * Fix typos * Nanoleaf clean-up * Yeelight support, generalize wizard elements * Update Yeelight to handle quota in music mode * Yeelight extend rage for extraTimeDarkness for testing * Clean-up - Add commentary, Remove development debug statements * Fix brightnessSwitchOffOnMinimum typo and default value * Yeelight support restoreOriginalState, additional Fixes * WLED - Remove UDP-Port, as it is not configurable * Fix merging issue * Remove QHostAddress::operator=(const QString&)' is deprecated * Windows compile errors and (Qt 5.15 deprecation) warnings * Fix order includes * LedDeviceFile Support Qt5.7 and greater * Windows compatibility and other Fixes * Fix Qt Version compatability * Rs232 - Resolve portname from unix /dev/ style, fix DMX sub-type support * Disable WLED Wizard Button (until Wizard is available) * Yeelight updates * Add wrong log-type as per #505 * Fixes and Clean-up after clang-tidy report * Fix udpe131 not enabled for generated CID * Change timer into dynamic for Qt Thread-Affinity * Hue clean-up and diyHue workaround * Updates after review feedback by m-seker * Add "chrono" includes
104 lines
2.3 KiB
C++
104 lines
2.3 KiB
C++
#include "LedDeviceAPA104.h"
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/*
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From the data sheet:
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(TH+TL=1.25μs±600ns)
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T0H, 0 code, high level time, 350ns ±150ns
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T0L, 0 code, low level time, 1360ns ±150ns
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T1H, 1 code, high level time, 1360ns ±150ns
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T1L, 1 code, low level time, 350ns ±150ns
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WT, Wait for the processing time, NA
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Trst, Reset code,low level time, 24µs
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To normalise the pulse times so they fit in 4 SPI bits:
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On the assumption that the "low" time doesnt matter much
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A SPI bit time of 0.40uS = 2.5 Mbit/sec
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T0 is sent as 1000
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T1 is sent as 1110
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With a bit of excel testing, we can work out the maximum and minimum speeds:
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2000000 MIN
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2235000 AVG
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2470000 MAX
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Wait time:
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Not Applicable for WS2812
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Reset time:
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using the max of 2470000, the bit time is 405nS
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Reset time is 24uS = 59 bits = 8 bytes
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*/
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LedDeviceAPA104::LedDeviceAPA104(const QJsonObject &deviceConfig)
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: ProviderSpi()
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, SPI_BYTES_PER_COLOUR(4)
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, SPI_FRAME_END_LATCH_BYTES(8)
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, bitpair_to_byte {
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0b10001000,
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0b10001110,
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0b11101000,
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0b11101110,
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}
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{
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_devConfig = deviceConfig;
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_isDeviceReady = false;
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_activeDeviceType = deviceConfig["type"].toString("UNSPECIFIED").toLower();
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}
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LedDevice* LedDeviceAPA104::construct(const QJsonObject &deviceConfig)
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{
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return new LedDeviceAPA104(deviceConfig);
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}
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bool LedDeviceAPA104::init(const QJsonObject &deviceConfig)
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{
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_baudRate_Hz = 2235000;
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bool isInitOK = false;
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// Initialise sub-class
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if ( ProviderSpi::init(deviceConfig) )
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{
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WarningIf(( _baudRate_Hz < 2000000 || _baudRate_Hz > 2470000 ), _log, "SPI rate %d outside recommended range (2000000 -> 2470000)", _baudRate_Hz);
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_ledBuffer.resize(_ledRGBCount * SPI_BYTES_PER_COLOUR + SPI_FRAME_END_LATCH_BYTES, 0x00);
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isInitOK = true;
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}
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return isInitOK;
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}
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int LedDeviceAPA104::write(const std::vector<ColorRgb> &ledValues)
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{
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unsigned spi_ptr = 0;
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const int SPI_BYTES_PER_LED = sizeof(ColorRgb) * SPI_BYTES_PER_COLOUR;
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for (const ColorRgb& color : ledValues)
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{
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uint32_t colorBits = ((unsigned int)color.red << 16)
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| ((unsigned int)color.green << 8)
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| color.blue;
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for (int j=SPI_BYTES_PER_LED - 1; j>=0; j--)
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{
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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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for (int j=0; j < SPI_FRAME_END_LATCH_BYTES; j++)
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{
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_ledBuffer[spi_ptr++] = 0;
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}
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return writeBytes(_ledBuffer.size(), _ledBuffer.data());
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}
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