Simple program to control Siyi A8 mini gimbal

Simple program to control Siyi A8 mini (actually some other Siyi cameras too).

Receiving responce sometimes gives error when checking CRC.

misc/camera/a8/serialPort.cpp

@@ -0,0 +1,53 @@
+#include "serialPort.h"
+#include <QDebug>
+
+SerialPort::SerialPort(const QString &portName) : mSerialPort(portName) {
+    mSerialPort.setPortName(portName);
+    mSerialPort.setBaudRate(QSerialPort::Baud115200);
+    mSerialPort.setDataBits(QSerialPort::Data8);
+    mSerialPort.setStopBits(QSerialPort::OneStop);
+    mSerialPort.setFlowControl(QSerialPort::NoFlowControl);
+}
+
+SerialPort::~SerialPort() {
+    closePort(); // Close port if open on destruction
+}
+
+bool SerialPort::openPort() {
+    if (mSerialPort.isOpen()) {
+        qDebug() << "Port already open";
+        return true;
+    }
+
+    return mSerialPort.open(QIODevice::ReadWrite);
+}
+
+void SerialPort::closePort() {
+    if (mSerialPort.isOpen()) {
+        mSerialPort.close();
+    }
+}
+
+void SerialPort::sendCommand(const QByteArray &command) {
+    if (!mSerialPort.isOpen()) {
+        qDebug() << "Error: Port not open";
+        return;
+    }
+
+    mSerialPort.write(command);
+}
+
+QByteArray SerialPort::readResponse() {
+    if (!mSerialPort.isOpen()) {
+        qDebug() << "Error: Port not open";
+        return QByteArray();
+    }
+
+    // Read data from serial port until timeout or specific criteria met
+    QByteArray response;
+    while (mSerialPort.waitForReadyRead(5000)) { // Adjust timeout as needed
+        response.append(mSerialPort.readAll());
+    }
+
+    return response;
+}