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| author | SudhakarKuma | 2017-10-25 15:53:45 +0530 |
|---|---|---|
| committer | SudhakarKuma | 2017-10-25 15:53:45 +0530 |
| commit | 09c89f6242ecf2495f86140a3f53ef4678f8563b (patch) | |
| tree | 96c9a2836be76442376b166f63304a0b2adef560 /src/SerialCom.cpp | |
| download | Open-Sky-Planetarium-09c89f6242ecf2495f86140a3f53ef4678f8563b.tar.gz Open-Sky-Planetarium-09c89f6242ecf2495f86140a3f53ef4678f8563b.tar.bz2 Open-Sky-Planetarium-09c89f6242ecf2495f86140a3f53ef4678f8563b.zip | |
Updated OSP-plugin
Diffstat (limited to 'src/SerialCom.cpp')
| -rwxr-xr-x | src/SerialCom.cpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/SerialCom.cpp b/src/SerialCom.cpp new file mode 100755 index 0000000..d3f67c9 --- /dev/null +++ b/src/SerialCom.cpp @@ -0,0 +1,120 @@ +/*
+ * Copyright (C) 2016 Dhiraj Salian
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
+ */
+#include "SerialCom.hpp"
+#include <QtSerialPort/QSerialPort>
+#include <QTime>
+
+QT_USE_NAMESPACE
+
+/**
+Constructor:
+*/
+SerialCom::SerialCom(QObject *parent)
+ : QThread(parent), waitTime(0), quit(false)
+{
+}
+
+/**
+Destructor:
+*/
+SerialCom::~SerialCom()
+{
+ mutex.lock();
+ quit = true;
+ cond.wakeOne();
+ mutex.unlock();
+ wait();
+}
+
+/**
+sendRequest(const QString, int, const QString):
+ Send a request to arduino
+*/
+void SerialCom::sendRequest(const QString &port, int waitTime, const QString &request)
+{
+ QMutexLocker locker(&mutex);
+ this->port = port;
+ this->waitTime = waitTime;
+ this->request = request;
+ if (!isRunning())
+ start();
+ else
+ cond.wakeOne();
+}
+
+/**
+run()
+
+*/
+void SerialCom::run()
+{
+ bool myPortNameChanged = false;
+
+ //mutex.lock();
+ QString myPortName;
+ if (myPortName != port) {
+ myPortName = port;
+ myPortNameChanged = true;
+ }
+
+ int myWaitTimeout = waitTime;
+ QString myRequest = request;
+ //mutex.unlock();
+ //QSerialPort serial;
+
+ while (!quit) {
+ if (myPortNameChanged) {
+ serial.close();
+ serial.setPortName(myPortName);
+
+ if (!serial.open(QIODevice::ReadWrite)) {
+ emit error(tr("Can't open %1, error code %2")
+ .arg(port).arg(serial.error()));
+ return;
+ }
+ }
+ QByteArray requestData = myRequest.toLocal8Bit();
+ serial.write(requestData);
+ if (serial.waitForBytesWritten(waitTime)) {
+ if (serial.waitForReadyRead(myWaitTimeout)) {
+ QByteArray responseData = serial.readAll();
+ while (serial.waitForReadyRead(10))
+ responseData += serial.readAll();
+ QString response(responseData);
+ emit this->response(response);
+ } else {
+ emit timeout(tr("Wait Read Request Timed Out %1")
+ .arg(QTime::currentTime().toString()));
+ }
+ } else {
+ emit timeout(tr("Wait Write Request Timed Out %1")
+ .arg(QTime::currentTime().toString()));
+ }
+ //mutex.lock();
+ cond.wait(&mutex);
+ if (myPortName != port) {
+ myPortName = port;
+ myPortNameChanged = true;
+ } else {
+ myPortNameChanged = false;
+ }
+ myWaitTimeout = waitTime;
+ myRequest = request;
+ // mutex.unlock();
+ }
+}
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