Resolved wrong TX drop display

apps/commander/commander.c

@@ -728,6 +728,9 @@ void handle_command(int status_pub, struct vehicle_status_s *current_vehicle_sta
 	/* result of the command */
 	uint8_t result = MAV_RESULT_UNSUPPORTED;
 
+	/* announce command handling */
+	ioctl(buzzer, TONE_SET_ALARM, 1);
+
 
 	/* supported command handling start */
 
@@ -907,6 +910,9 @@ void handle_command(int status_pub, struct vehicle_status_s *current_vehicle_sta
 		default: {
 			mavlink_log_critical(mavlink_fd, "[commander] refusing unsupported command");
 			result = MAV_RESULT_UNSUPPORTED;
+			usleep(200000);
+			/* announce command rejection */
+			ioctl(buzzer, TONE_SET_ALARM, 4);
 		}
 		break;
 	}

apps/mavlink/mavlink.c

@@ -454,6 +454,24 @@ mavlink_send_uart_bytes(mavlink_channel_t channel, uint8_t *ch, int length)
 	write(uart, ch, (size_t)(sizeof(uint8_t) * length));
 }
 
+/*
+ * Internal function to give access to the channel status for each channel
+ */
+mavlink_status_t* mavlink_get_channel_status(uint8_t chan)
+{
+	static mavlink_status_t m_mavlink_status[MAVLINK_COMM_NUM_BUFFERS];
+	return &m_mavlink_status[chan];
+}
+
+/*
+ * Internal function to give access to the channel buffer for each channel
+ */
+mavlink_message_t* mavlink_get_channel_buffer(uint8_t chan)
+{
+	static mavlink_message_t m_mavlink_buffer[MAVLINK_COMM_NUM_BUFFERS];
+	return &m_mavlink_buffer[chan];
+}
+
 void mavlink_update_system(void)
 {
 	static bool initialized = false;

apps/mavlink/mavlink_bridge_header.h

@@ -43,9 +43,12 @@
 
 #define MAVLINK_USE_CONVENIENCE_FUNCTIONS
 
-//use efficient approach, see mavlink_helpers.h
+/* use efficient approach, see mavlink_helpers.h */
 #define MAVLINK_SEND_UART_BYTES mavlink_send_uart_bytes
 
+#define MAVLINK_GET_CHANNEL_BUFFER mavlink_get_channel_buffer
+#define MAVLINK_GET_CHANNEL_STATUS mavlink_get_channel_status
+
 #include "v1.0/mavlink_types.h"
 #include <unistd.h>
 
@@ -70,4 +73,7 @@ extern mavlink_system_t mavlink_system;
  */
 extern void mavlink_send_uart_bytes(mavlink_channel_t chan, uint8_t *ch, int length);
 
+mavlink_status_t* mavlink_get_channel_status(uint8_t chan);
+mavlink_message_t* mavlink_get_channel_buffer(uint8_t chan);
+
 #endif /* MAVLINK_BRIDGE_HEADER_H */