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Ignore whitespace Rev 343 → Rev 344

/Misc Projects/PcMarlinInterface/SerialController.cpp
0,0 → 1,114
#include "SerialController.h"
 
SerialController::SerialController(QObject *parent) : QObject(parent)
{
connected = false;
speeds << "9600" << "19200" << "38400" << "57600" << "115200" << "230400" << "250000";
bufferInIndex = 0;
bufferInOverflow = false;
}
 
SerialController::~SerialController()
{
serialPort->close();
delete serialPort;
}
 
void SerialController::Serial_QueryParameters()
{
QList<QSerialPortInfo> portsList = QSerialPortInfo::availablePorts();
QStringList ports;
for (int i = 0; i < portsList.size(); i++) {
ports.append(portsList[i].portName());
}
emit Serial_UpdateParameters(ports, speeds);
}
 
void SerialController::Serial_Connect(QString port, QString speed)
{
if (!connected) {
serialPort = new QSerialPort();
connect(serialPort, SIGNAL(readyRead()), this, SLOT(Serial_ProcessIncomingData()));
serialPort->setPortName(port);
if (!serialPort->open(QIODevice::ReadWrite)) {
Serial_Disconnect();
} else {
connected = true;
if (speed == "9600")
serialPort->setBaudRate(9600);
else if (speed == "19200")
serialPort->setBaudRate(19200);
else if (speed == "38400")
serialPort->setBaudRate(38400);
else if (speed == "57600")
serialPort->setBaudRate(57600);
else if (speed == "115200")
serialPort->setBaudRate(115200);
else if (speed == "230400")
serialPort->setBaudRate(230400);
else if (speed == "250000")
serialPort->setBaudRate(250000);
 
serialPort->setDataBits(QSerialPort::Data8);
serialPort->setParity(QSerialPort::NoParity);
serialPort->setFlowControl(QSerialPort::HardwareControl);
serialPort->setStopBits(QSerialPort::OneStop);
 
// See http://umforum.ultimaker.com/index.php?/topic/5886-um2-controller-resetreboot-when-opening-usb-port-on-linux/
serialPort->setDataTerminalReady(1);
emit Serial_Connected();
}
}
}
 
void SerialController::Serial_Disconnect()
{
serialPort->close();
delete serialPort;
connected = false;
emit Serial_Disconnected();
}
 
void SerialController::Serial_TransmitString(QString string)
{
serialPort->write(string.toStdString().c_str());
serialPort->write(SERIAL_NEWLINE_CHAR);
}
 
void SerialController::Serial_ProcessIncomingData()
{
char tmpBuffer[SERIAL_BUFFER_SIZE];
int len = serialPort->read(tmpBuffer, sizeof(tmpBuffer));
while (len > 0) {
for (int i = 0; i < len; i++) {
// Save received data into local buffer
bufferIn[bufferInIndex] = tmpBuffer[i];
 
// If newline char is received, end current string
if (tmpBuffer[i] == '\n') {
if (bufferInOverflow)
currString.append(QString::fromLocal8Bit(bufferIn, bufferInIndex));
else
currString = QString::fromLocal8Bit(bufferIn, bufferInIndex);
bufferInOverflow = false;
bufferInIndex = 0;
emit Serial_ReceivedString(currString);
} else {
bufferInIndex++;
}
 
// If received string is larger than our serial buffer, append to previous data
if (bufferInIndex == SERIAL_BUFFER_SIZE-1) {
bufferIn[SERIAL_BUFFER_SIZE-1] = 0x0;
if (bufferInOverflow)
currString.append(QString::fromLocal8Bit(bufferIn, bufferInIndex));
else
currString = QString::fromLocal8Bit(bufferIn, bufferInIndex);
bufferInOverflow = true;
bufferInIndex = 0;
}
}
// Check if there is more data to be read from the serial port
len = serialPort->read(tmpBuffer, sizeof(tmpBuffer));
}
}