Fix M17 callsign setting

Fix M17 callsign disappearing in M17 settings.

The generic callsign (currently not used) was being shown instead of M17 callsign.

openrtx/include/settings.h

@@ -31,7 +31,7 @@ typedef struct
     int8_t utc_timezone;
     bool gps_enabled;
     bool gps_set_time;
-    char callsign[10];    // Plaintext callsign, used for M17
+    char callsign[10];    // Plaintext callsign, for future use
 }
 __attribute__((packed)) settings_t;
 

openrtx/src/ui/ui.c

@@ -1321,7 +1321,7 @@ void ui_updateFSM(event_t event, bool *sync_rtx)
                     {
                         _ui_textInputConfirm(ui_state.new_callsign);
                         // Save selected callsign and disable input mode
-                        strcpy(state.settings.callsign, ui_state.new_callsign);
+                        strcpy(state.m17_data.callsign, ui_state.new_callsign);
                         ui_state.edit_mode = false;
                     }
                     else if(msg.keys & KEY_ESC)

openrtx/src/ui/ui_menu.c

@@ -539,7 +539,7 @@ void _ui_drawSettingsM17(ui_state_t* ui_state)
         // Print M17 current callsign
         gfx_printLine(1, 1, layout.top_h, SCREEN_HEIGHT - layout.bottom_h,
                       layout.horizontal_pad, layout.input_font,
-                      TEXT_ALIGN_CENTER, color_white, last_state.settings.callsign);
+                      TEXT_ALIGN_CENTER, color_white, last_state.m17_data.callsign);
     }
 }