AP_Frsky_Telem: make frsky_telemetry available to GCS_MAVLINK

libraries/AP_Frsky_Telem/AP_Frsky_Telem.cpp

@@ -20,6 +20,8 @@
    FRSKY Telemetry library
 */
 #include "AP_Frsky_Telem.h"
+#include <GCS_MAVLink/GCS.h>
+
 extern const AP_HAL::HAL& hal;
 
 ObjectArray<mavlink_statustext_t> AP_Frsky_Telem::_statustext_queue(FRSKY_TELEM_PAYLOAD_STATUS_CAPACITY);
@@ -43,6 +45,8 @@ void AP_Frsky_Telem::init(const AP_SerialManager &serial_manager, const char *fi
         _protocol = AP_SerialManager::SerialProtocol_FrSky_SPort; // FrSky SPort protocol (X-receivers)
     } else if ((_port = serial_manager.find_serial(AP_SerialManager::SerialProtocol_FrSky_SPort_Passthrough, 0))) {
         _protocol = AP_SerialManager::SerialProtocol_FrSky_SPort_Passthrough; // FrSky SPort and SPort Passthrough (OpenTX) protocols (X-receivers)
+        // make frsky_telemetry available to GCS_MAVLINK (used to queue statustext messages from GCS_MAVLINK)
+        GCS_MAVLINK::register_frsky_telemetry_callback(this);
         // add firmware and frame info to message queue
         queue_message(MAV_SEVERITY_INFO, firmware_str);
         // save main parameters locally