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C++

/*
Copyright (C) 2019-2021 Doug McLain
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 3 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, see <https://www.gnu.org/licenses/>.
*/
#ifndef ANDROIDSERIALPORT_H
#define ANDROIDSERIALPORT_H
#include <QObject>
#ifdef Q_OS_ANDROID
#include <QCoreApplication>
#include <QJniObject>
class AndroidSerialPort : public QObject
{
Q_OBJECT
public:
static AndroidSerialPort & GetInstance()
{
static AndroidSerialPort instance;
return instance;
}
QByteArray readAll();
QStringList discover_devices();
int open(int);
void close();
void setPortName(QString);
void setBaudRate(int);
void setDataBits(int);
void setStopBits(int);
void setParity(int);
void setFlowControl(int);
void setRequestToSend(int);
int write(QByteArray);
int write(char *, int);
signals:
void readyRead();
void data_received(QByteArray);
void device_ready();
void device_denied();
void devices_changed();
private:
explicit AndroidSerialPort(QObject * parent = nullptr);
static void java_data_received(JNIEnv *env, jobject t, jbyteArray data);
static void java_device_open(JNIEnv *env, jobject t);
static void java_device_denied(JNIEnv *env, jobject t);
static void java_devices_changed(JNIEnv *env, jobject t);
#if QT_VERSION < QT_VERSION_CHECK(6, 3, 0)
QAndroidJniObject serialJavaObject;
#else
QJniObject serialJavaObject;
typedef QJniObject QAndroidJniObject;
typedef QJniEnvironment QAndroidJniEnvironment;
#endif
QByteArray m_received;
};
#endif
#endif // ANDROIDSERIALPORT_H