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/crc16.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <QByteArray>
+#include <cstdint>
+
+class CRC16 {
+public:
+    static void getCRCBytes(const QByteArray &data, uint8_t *bytes);
+
+private:
+    static uint16_t calculate(const uint8_t *ptr, uint32_t len, uint16_t crcInit);
+};