AP_OSD: check we have an airspeed object

7 years ago · 1e0ca409d1
1 changed files with 4 additions and 1 deletions
--- a/libraries/AP_OSD/AP_OSD_Screen.cpp
+++ b/libraries/AP_OSD/AP_OSD_Screen.cpp
@ -935,7 +935,10 @@ void AP_OSD_Screen::draw_btemp(uint8_t x, uint8_t y)
				@@ -935,7 +935,10 @@ void AP_OSD_Screen::draw_btemp(uint8_t x, uint8_t y)
 void AP_OSD_Screen::draw_atemp(uint8_t x, uint8_t y)
 {
    AP_Airspeed *airspeed = AP_Airspeed::get_singleton();
-    float temperature;
+    if (!airspeed) {
+        return;
+    }
+    float temperature = 0;
    airspeed->get_temperature(temperature);
    if (airspeed->healthy()) {
        backend->write(x, y, false, "%3d%c", (int)u_scale(TEMPERATURE, temperature), u_icon(TEMPERATURE));