Add isLanding function

Checking for landing is used for a security purpose. If landing procedure is
triggered but not by the swarm management script, it means it has been triggered
externally most probably for emergency reason.

include/autopilot_wrapper.h

@@ -51,8 +51,9 @@ DLL_PUBLIC double getTakeOffAltitude(void);
 DLL_PUBLIC float getYaw(void);
 DLL_PUBLIC float getSpeed(void);
 DLL_PUBLIC float getClimbRate(void);
-DLL_PUBLIC int healthAllOk(void);
 DLL_PUBLIC int gpsIsOk(void);
+DLL_PUBLIC int healthAllOk(void);
+DLL_PUBLIC int isLanding(void);
 DLL_PUBLIC void updateLogAndProjection(void);
 #ifdef __cplusplus
 }

qjs_wrapper.c

@@ -742,16 +742,22 @@ static JSValue js_getClimbRate(JSContext *ctx, JSValueConst thisVal,
     return JS_NewFloat64(ctx, getClimbRate());
 }
 
+static JSValue js_gpsIsOk(JSContext *ctx, JSValueConst this_val,
+                              int argc, JSValueConst *argv)
+{
+    return JS_NewBool(ctx, gpsIsOk());
+}
+
 static JSValue js_healthAllOk(JSContext *ctx, JSValueConst this_val,
                               int argc, JSValueConst *argv)
 {
     return JS_NewBool(ctx, healthAllOk());
 }
 
-static JSValue js_gpsIsOk(JSContext *ctx, JSValueConst this_val,
+static JSValue js_isLanding(JSContext *ctx, JSValueConst this_val,
                             int argc, JSValueConst *argv)
 {
-    return JS_NewBool(ctx, gpsIsOk());
+    return JS_NewBool(ctx, isLanding());
 }
 
 static JSValue js_updateLogAndProjection(JSContext *ctx, JSValueConst this_val,
@@ -784,8 +790,9 @@ static const JSCFunctionListEntry js_funcs[] = {
     JS_CFUNC_DEF("getYaw", 0, js_getYaw ),
     JS_CFUNC_DEF("getAirspeed", 0, js_getSpeed ),
     JS_CFUNC_DEF("getClimbRate", 0, js_getClimbRate ),
-    JS_CFUNC_DEF("healthAllOk", 0, js_healthAllOk ),
     JS_CFUNC_DEF("gpsIsOk", 0, js_gpsIsOk ),
+    JS_CFUNC_DEF("isLanding", 0, js_isLanding ),
+    JS_CFUNC_DEF("healthAllOk", 0, js_healthAllOk ),
     JS_CFUNC_DEF("initPubsub", 2, js_init_pubsub ),
     JS_CFUNC_DEF("getLog", 0, js_get_log ),
     JS_CFUNC_DEF("updateLogAndProjection", 0, js_updateLogAndProjection ),