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145 lines
4.5 KiB
C++
145 lines
4.5 KiB
C++
/*
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Copyright (C) 2019-2021 Doug McLain
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <QDebug>
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#include "androidserialport.h"
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#ifdef Q_OS_ANDROID
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AndroidSerialPort::AndroidSerialPort(QObject * parent)
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{
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if(QAndroidJniObject::isClassAvailable("com.hoho.android.usbserial.driver/UsbSerialDriver")) {
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qDebug() << "com.hoho.android.usbserial.driver/UsbSerialDriver available";
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serialJavaObject = QAndroidJniObject("DroidStar/USBSerialWrapper");
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QAndroidJniEnvironment env;
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JNINativeMethod methods[] = { {"data_received", "([B)V", reinterpret_cast<void*>(java_data_received)} };
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jclass objectClass = env->GetObjectClass(serialJavaObject.object<jobject>());
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env->RegisterNatives(objectClass, methods, sizeof(methods) / sizeof(methods[0]));
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env->DeleteLocalRef(objectClass);
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}
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else {
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qDebug() << "com.hoho.android.usbserial.driver/UsbSerialDriver not available";
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}
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}
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QStringList AndroidSerialPort::discover_devices()
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{
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QAndroidJniEnvironment env;
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QStringList l;
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l.clear();
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qDebug() << "AndroidSerialPort::discover_devices()";
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#if QT_VERSION < QT_VERSION_CHECK(6, 3, 0)
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QAndroidJniObject d = serialJavaObject.callObjectMethod("discover_devices", "(Landroid/content/Context;)[Ljava/lang/String;", QtAndroid::androidContext().object());
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#else
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QAndroidJniObject d = serialJavaObject.callObjectMethod("discover_devices", "(Landroid/content/Context;)[Ljava/lang/String;", QNativeInterface::QAndroidApplication::context());
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#endif
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jobjectArray devices = d.object<jobjectArray>();
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int size = env->GetArrayLength(devices);
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for (int i=0; i < size; ++i) {
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jstring s = (jstring) env->GetObjectArrayElement(devices, i);
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l.append(env->GetStringUTFChars(s, JNI_FALSE));
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}
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return l;
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}
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int AndroidSerialPort::open(int p)
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{
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#if QT_VERSION < QT_VERSION_CHECK(6, 3, 0)
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qDebug() << serialJavaObject.callObjectMethod("setup_serial", "(Landroid/content/Context;)Ljava/lang/String;", QtAndroid::androidContext().object()).toString();
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#else
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serialJavaObject.callObjectMethod("setup_serial", "(Landroid/content/Context;)Ljava/lang/String;", QNativeInterface::QAndroidApplication::context());
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#endif
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return p;
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}
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int AndroidSerialPort::write(char *data, int s)
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{
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QAndroidJniEnvironment env;
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jbyteArray buffer = env->NewByteArray(s);
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env->SetByteArrayRegion(buffer, 0, s, (jbyte *)data);
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serialJavaObject.callMethod<void>("write", "([B)V", buffer);
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env->DeleteLocalRef(buffer);
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return 0;
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}
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int AndroidSerialPort::write(QByteArray data)
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{
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QAndroidJniEnvironment env;
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jbyteArray buffer = env->NewByteArray(data.size());
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env->SetByteArrayRegion(buffer, 0, data.size(), (jbyte *)data.data());
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serialJavaObject.callMethod<void>("write", "([B)V", buffer);
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env->DeleteLocalRef(buffer);
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return 0;
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}
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void AndroidSerialPort::setPortName(QString s)
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{
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QAndroidJniObject p = QAndroidJniObject::fromString(s);
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jstring j = p.object<jstring>();
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serialJavaObject.callMethod<void>("set_port_name", "(Ljava/lang/String;)V", j);
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}
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void AndroidSerialPort::setBaudRate(int br)
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{
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serialJavaObject.callMethod<void>("set_baud_rate", "(I)V", br);
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}
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void AndroidSerialPort::setDataBits(int db)
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{
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serialJavaObject.callMethod<void>("set_data_bits", "(I)V", db);
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}
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void AndroidSerialPort::setStopBits(int sb)
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{
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serialJavaObject.callMethod<void>("set_stop_bits", "(I)V", sb);
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}
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void AndroidSerialPort::setParity(int p)
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{
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serialJavaObject.callMethod<void>("set_parity", "(I)V", p);
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}
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void AndroidSerialPort::setFlowControl(int fc)
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{
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serialJavaObject.callMethod<void>("set_flow_control", "(I)V", fc);
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}
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void AndroidSerialPort::setRequestToSend(int rts)
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{
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serialJavaObject.callMethod<void>("set_rts", "(I)V", rts);
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}
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QByteArray AndroidSerialPort::readAll()
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{
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QByteArray r;
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r.replace(0, m_received.size(), m_received);
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m_received.clear();
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return r;
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}
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void AndroidSerialPort::java_data_received(JNIEnv *env, jobject t, jbyteArray data)
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{
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QByteArray r;
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jboolean copy;
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jsize s = env->GetArrayLength(data);
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jbyte *p_data = env->GetByteArrayElements(data, ©);
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r.append((char *)p_data, s);
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emit AndroidSerialPort::GetInstance().data_received(r);
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}
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#endif
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