check for core.gpsport nullpointer first

11 years ago · fc1f5c9f1e
2 changed files with 2675 additions and 2673 deletions
--- a/obj/baseflight.hex
+++ b/obj/baseflight.hex
--- a/src/gps.c
+++ b/src/gps.c
@ -160,8 +160,10 @@ void gpsInitHardware(void)
 void gpsThread(void)
 {
    // read out available GPS bytes
-    while (serialTotalBytesWaiting(core.gpsport))
-        gpsNewData(serialRead(core.gpsport));
+    if (core.gpsport) {
+        while (serialTotalBytesWaiting(core.gpsport))
+            gpsNewData(serialRead(core.gpsport));
+    }

    switch (gpsData.state) {
        case GPS_UNKNOWN: