mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2023-10-10 13:36:59 +02:00
aaa4235cab
* Align PhilipsHue (Classic) * Minor Device corrections * Have code working with Qt < 5.10 * Fixes on Hue Wizzard * Fixes on Hue Wizzard * Calculate Latchtime only for lights updated by hyperion * Allow to disable restoring original light's state * Fix - LightIDs / LightMap vectors were not cleared when reopening the device * Reduce API Calls for state updates by consolidation
147 lines
3.0 KiB
C++
147 lines
3.0 KiB
C++
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// STL includes
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#include <cstring>
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#include <cstdio>
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#include <iostream>
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#include <cerrno>
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// Linux includes
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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// Local Hyperion includes
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#include "ProviderSpi.h"
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#include <utils/Logger.h>
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ProviderSpi::ProviderSpi()
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: LedDevice()
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, _deviceName("/dev/spidev0.0")
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, _baudRate_Hz(1000000)
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, _fid(-1)
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, _spiMode(SPI_MODE_0)
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, _spiDataInvert(false)
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{
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memset(&_spi, 0, sizeof(_spi));
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_latchTime_ms = 1;
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}
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ProviderSpi::~ProviderSpi()
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{
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}
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bool ProviderSpi::init(const QJsonObject &deviceConfig)
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{
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bool isInitOK = LedDevice::init(deviceConfig);
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_deviceName = deviceConfig["output"].toString(_deviceName);
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_baudRate_Hz = deviceConfig["rate"].toInt(_baudRate_Hz);
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_spiMode = deviceConfig["spimode"].toInt(_spiMode);
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_spiDataInvert = deviceConfig["invert"].toBool(_spiDataInvert);
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return isInitOK;
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}
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int ProviderSpi::open()
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{
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int retval = -1;
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QString errortext;
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_deviceReady = false;
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if ( init(_devConfig) )
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{
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Debug(_log, "_baudRate_Hz %d, _latchTime_ns %d", _baudRate_Hz, _latchTime_ms);
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Debug(_log, "_spiDataInvert %d, _spiMode %d", _spiDataInvert, _spiMode);
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const int bitsPerWord = 8;
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_fid = ::open(QSTRING_CSTR(_deviceName), O_RDWR);
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if (_fid < 0)
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{
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errortext = QString ("Failed to open device (%1). Error message: %2").arg(_deviceName, strerror(errno));
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retval = -1;
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}
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else
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{
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if (ioctl(_fid, SPI_IOC_WR_MODE, &_spiMode) == -1 || ioctl(_fid, SPI_IOC_RD_MODE, &_spiMode) == -1)
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{
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retval = -2;
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}
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else
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{
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if (ioctl(_fid, SPI_IOC_WR_BITS_PER_WORD, &bitsPerWord) == -1 || ioctl(_fid, SPI_IOC_RD_BITS_PER_WORD, &bitsPerWord) == -1)
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{
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retval = -4;
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}
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else
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{
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if (ioctl(_fid, SPI_IOC_WR_MAX_SPEED_HZ, &_baudRate_Hz) == -1 || ioctl(_fid, SPI_IOC_RD_MAX_SPEED_HZ, &_baudRate_Hz) == -1)
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{
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retval = -6;
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}
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else
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{
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// Everything OK -> enable device
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_deviceReady = true;
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setEnable(true);
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retval = 0;
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}
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}
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}
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if ( retval < 0 )
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{
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errortext = QString ("Failed to open device (%1). Error Code: %2").arg(_deviceName).arg(retval);
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}
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}
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if ( retval < 0 )
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{
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this->setInError( errortext );
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}
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}
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return retval;
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}
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void ProviderSpi::close()
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{
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LedDevice::close();
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// Device specific closing activites
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if ( _fid > -1 )
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{
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if ( ::close(_fid) != 0 )
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{
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Error( _log, "Failed to close device (%s). Error message: %s", QSTRING_CSTR(_deviceName), strerror(errno) );
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}
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}
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}
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int ProviderSpi::writeBytes(const unsigned size, const uint8_t * data)
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{
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if (_fid < 0)
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{
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return -1;
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}
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_spi.tx_buf = __u64(data);
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_spi.len = __u32(size);
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if (_spiDataInvert)
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{
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uint8_t * newdata = (uint8_t *)malloc(size);
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for (unsigned i = 0; i<size; i++) {
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newdata[i] = data[i] ^ 0xff;
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}
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_spi.tx_buf = __u64(newdata);
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}
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int retVal = ioctl(_fid, SPI_IOC_MESSAGE(1), &_spi);
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ErrorIf((retVal < 0), _log, "SPI failed to write. errno: %d, %s", errno, strerror(errno) );
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return retVal;
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}
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