py/viper: Truncate viper integer args so they can be up to 32-bit.

py/nativeglue.c

@@ -48,14 +48,13 @@ mp_uint_t mp_convert_obj_to_native(mp_obj_t obj, mp_uint_t type) {
     switch (type & 3) {
         case MP_NATIVE_TYPE_OBJ: return (mp_uint_t)obj;
         case MP_NATIVE_TYPE_BOOL:
-        case MP_NATIVE_TYPE_INT: return mp_obj_get_int(obj);
+        case MP_NATIVE_TYPE_INT: return mp_obj_get_int_truncated(obj);
         case MP_NATIVE_TYPE_UINT: {
             mp_buffer_info_t bufinfo;
             if (mp_get_buffer(obj, &bufinfo, MP_BUFFER_RW)) {
                 return (mp_uint_t)bufinfo.buf;
             } else {
-                // TODO should be mp_obj_get_uint_truncated or something
-                return mp_obj_get_int(obj);
+                return mp_obj_get_int_truncated(obj);
             }
         }
         default: assert(0); return 0;