Update HelloWorld.ino

sfranzyshen · Nov 1, 2019 · 1dfdf0b · 1dfdf0b
1 parent 640fcf8
commit 1dfdf0b
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/examples/HelloWorld/HelloWorld.ino b/examples/HelloWorld/HelloWorld.ino
@@ -2,7 +2,13 @@
 
 LuaWrapper lua;
 
+static int lua_wrapper_print(lua_State *lua_state) {
+  String a = String(luaL_checkstring(lua_state, 1));
+  Serial.println(a);
+}
+
 void setup() {
+  lua.Lua_register("print", (const lua_CFunction) &lua_wrapper_print);
   Serial.begin(115200);
   String script = String("print('Hello world!')");
   Serial.println(lua.Lua_dostring(&script));