mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2023-10-10 13:36:59 +02:00
* - implement a global logbuffer - providerrs232 reduce log spam * logger add signal and start json push * implement logger notifier ... need some cleanup
203 lines
5.4 KiB
C++
203 lines
5.4 KiB
C++
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// STL includes
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#include <cstring>
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#include <iostream>
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// Qt includes
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#include <QTimer>
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// Local Hyperion includes
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#include "ProviderRs232.h"
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ProviderRs232::ProviderRs232()
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: _rs232Port(this)
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, _blockedForDelay(false)
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, _stateChanged(true)
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, _bytesToWrite(0)
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, _bytesWritten(0)
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, _frameDropCounter(0)
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, _lastError(QSerialPort::NoError)
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, _timer()
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{
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// setup timer
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_timer.setSingleShot(false);
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_timer.setInterval(1000);
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connect(&_timer, SIGNAL(timeout()), this, SLOT(rewriteLeds()));
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// start the timer
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_timer.start();
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connect(&_rs232Port, SIGNAL(error(QSerialPort::SerialPortError)), this, SLOT(error(QSerialPort::SerialPortError)));
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connect(&_rs232Port, SIGNAL(bytesWritten(qint64)), this, SLOT(bytesWritten(qint64)));
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connect(&_rs232Port, SIGNAL(readyRead()), this, SLOT(readyRead()));
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}
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bool ProviderRs232::init(const QJsonObject &deviceConfig)
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{
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closeDevice();
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_deviceName = deviceConfig["output"].toString().toStdString();
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_baudRate_Hz = deviceConfig["rate"].toInt();
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_delayAfterConnect_ms = deviceConfig["delayAfterConnect"].toInt(250);
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_timer.setInterval ( deviceConfig["rewriteTime"].toInt(5000) );
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return true;
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}
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void ProviderRs232::bytesWritten(qint64 bytes)
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{
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_bytesWritten += bytes;
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if (_bytesWritten >= _bytesToWrite)
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{
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_bytesToWrite = 0;
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_blockedForDelay = false;
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}
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}
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void ProviderRs232::readyRead()
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{
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QByteArray data = _rs232Port.readAll();
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Debug(_log, "received %d bytes data", data.size());
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}
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void ProviderRs232::error(QSerialPort::SerialPortError error)
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{
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if ( error != QSerialPort::NoError )
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{
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if (_lastError != error)
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{
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_lastError = error;
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switch (error)
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{
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case QSerialPort::DeviceNotFoundError:
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Error(_log, "An error occurred while attempting to open an non-existing device."); break;
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case QSerialPort::PermissionError:
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Error(_log, "An error occurred while attempting to open an already opened device by another process or a user not having enough permission and credentials to open."); break;
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case QSerialPort::OpenError:
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Error(_log, "An error occurred while attempting to open an already opened device in this object."); break;
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case QSerialPort::NotOpenError:
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Error(_log, "This error occurs when an operation is executed that can only be successfully performed if the device is open."); break;
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case QSerialPort::ParityError:
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Error(_log, "Parity error detected by the hardware while reading data."); break;
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case QSerialPort::FramingError:
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Error(_log, "Framing error detected by the hardware while reading data."); break;
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case QSerialPort::BreakConditionError:
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Error(_log, "Break condition detected by the hardware on the input line."); break;
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case QSerialPort::WriteError:
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Error(_log, "An I/O error occurred while writing the data."); break;
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case QSerialPort::ReadError:
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Error(_log, "An I/O error occurred while reading the data."); break;
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case QSerialPort::ResourceError:
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Error(_log, "An I/O error occurred when a resource becomes unavailable, e.g. when the device is unexpectedly removed from the system."); break;
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case QSerialPort::UnsupportedOperationError:
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Error(_log, "The requested device operation is not supported or prohibited by the running operating system."); break;
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case QSerialPort::TimeoutError:
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Error(_log, "A timeout error occurred."); break;
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default: Error(_log,"An unidentified error occurred. (%d)", error);
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}
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_rs232Port.clearError();
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closeDevice();
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}
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}
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}
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ProviderRs232::~ProviderRs232()
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{
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disconnect(&_rs232Port, SIGNAL(error(QSerialPort::SerialPortError)), this, SLOT(error(QSerialPort::SerialPortError)));
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closeDevice();
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}
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void ProviderRs232::closeDevice()
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{
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if (_rs232Port.isOpen())
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{
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_rs232Port.close();
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Debug(_log,"Close UART: %s", _deviceName.c_str());
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}
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}
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int ProviderRs232::open()
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{
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Info(_log, "Opening UART: %s", _deviceName.c_str());
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_rs232Port.setPortName(_deviceName.c_str());
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return tryOpen(_delayAfterConnect_ms) ? 0 : -1;
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}
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bool ProviderRs232::tryOpen(const int delayAfterConnect_ms)
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{
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if ( ! _rs232Port.isOpen() )
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{
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if ( ! _rs232Port.open(QIODevice::ReadWrite) )
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{
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if ( _stateChanged )
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{
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Error(_log, "Unable to open RS232 device (%s)", _deviceName.c_str());
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_stateChanged = false;
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}
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return false;
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}
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Debug(_log, "Setting baud rate to %d", _baudRate_Hz);
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_rs232Port.setBaudRate(_baudRate_Hz);
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_stateChanged = true;
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}
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if (delayAfterConnect_ms > 0)
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{
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_blockedForDelay = true;
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QTimer::singleShot(delayAfterConnect_ms, this, SLOT(unblockAfterDelay()));
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Debug(_log, "Device blocked for %d ms", delayAfterConnect_ms);
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}
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return _rs232Port.isOpen();
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}
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int ProviderRs232::writeBytes(const qint64 size, const uint8_t * data)
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{
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// restart the timer
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_timer.start();
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if (! _blockedForDelay)
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{
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if (!_rs232Port.isOpen())
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{
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return tryOpen(5000) ? 0 : -1;
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}
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if (_frameDropCounter > 5)
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{
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Debug(_log, "%d frames dropped", _frameDropCounter);
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}
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_frameDropCounter = 0;
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_blockedForDelay = true;
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_bytesToWrite = size;
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qint64 bytesWritten = _rs232Port.write(reinterpret_cast<const char*>(data), size);
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if (bytesWritten == -1 || bytesWritten != size)
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{
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Warning(_log,"failed writing data");
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QTimer::singleShot(500, this, SLOT(unblockAfterDelay()));
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return -1;
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}
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QTimer::singleShot(5000, this, SLOT(unblockAfterDelay()));
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}
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else
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{
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_frameDropCounter++;
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}
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return 0;
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}
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void ProviderRs232::unblockAfterDelay()
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{
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_blockedForDelay = false;
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}
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int ProviderRs232::rewriteLeds()
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{
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return writeBytes(_ledBuffer.size(), _ledBuffer.data());
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}
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