Add return value for setTargetCoordinates and loiter

include/autopilot_API.h

@@ -20,9 +20,9 @@ DLL_PUBLIC int takeOff(void);
 DLL_PUBLIC int land(void);
 
 // Flight management functions
-DLL_PUBLIC void loiter(double latitude, double longitude, float altitude,
+DLL_PUBLIC int loiter(double latitude, double longitude, float altitude,
                       float radius, float speed);
-DLL_PUBLIC void setTargetCoordinates(double latitude, double longitude,
+DLL_PUBLIC int setTargetCoordinates(double latitude, double longitude,
                                     float altitude, float speed);
 
 // Information functions

qjs_wrapper.c

@@ -721,8 +721,7 @@ static JSValue js_loiter(JSContext *ctx, JSValueConst thisVal,
     if (JS_ToFloat64(ctx, &speed, argv[4]))
         return JS_EXCEPTION;
 
-    loiter(latitude, longitude, (float)altitude, (float)radius, (float)speed);
-    return JS_NewInt32(ctx, 0);
+    return JS_NewInt32(ctx, loiter(latitude, longitude, (float)altitude, (float)radius, (float)speed));
 }
 
 static JSValue js_setTargetCoordinates(JSContext *ctx,
@@ -743,8 +742,7 @@ static JSValue js_setTargetCoordinates(JSContext *ctx,
     if (JS_ToFloat64(ctx, &speed, argv[3]))
         return JS_EXCEPTION;
 
-    setTargetCoordinates(latitude, longitude, (float)altitude, (float)speed);
-    return JS_NewInt32(ctx, 0);
+    return JS_NewInt32(ctx, setTargetCoordinates(latitude, longitude, (float)altitude, (float)speed));
 }
 
 // Information functions