GCS_Common: accept any type of severity, not just the old enum

libraries/GCS_MAVLink/GCS.h

@@ -84,8 +84,8 @@ public:
     void        init(AP_HAL::UARTDriver *port, mavlink_channel_t mav_chan);
     void        setup_uart(const AP_SerialManager& serial_manager, AP_SerialManager::SerialProtocol protocol, uint8_t instance);
     void        send_message(enum ap_message id);
-    void        send_text(gcs_severity severity, const char *str);
-    void        send_text_P(gcs_severity severity, const prog_char_t *str);
+    void        send_text(uint8_t severity, const char *str);
+    void        send_text_P(uint8_t severity, const prog_char_t *str);
     void        data_stream_send(void);
     void        queued_param_send();
     void        queued_waypoint_send();

libraries/GCS_MAVLink/GCS_Common.cpp

@@ -601,9 +601,9 @@ void GCS_MAVLINK::handle_param_set(mavlink_message_t *msg, DataFlash_Class *Data
 
 
 void
-GCS_MAVLINK::send_text(gcs_severity severity, const char *str)
+GCS_MAVLINK::send_text(uint8_t severity, const char *str)
 {
-    if (severity != SEVERITY_LOW && 
+    if (severity < MAV_SEVERITY_WARNING && 
         comm_get_txspace(chan) >= 
         MAVLINK_NUM_NON_PAYLOAD_BYTES+MAVLINK_MSG_ID_STATUSTEXT_LEN) {
         // send immediately
@@ -618,7 +618,7 @@ GCS_MAVLINK::send_text(gcs_severity severity, const char *str)
 }
 
 void
-GCS_MAVLINK::send_text_P(gcs_severity severity, const prog_char_t *str)
+GCS_MAVLINK::send_text_P(uint8_t severity, const prog_char_t *str)
 {
     mavlink_statustext_t m;
     uint8_t i;