/* Copyright JS Foundation and other contributors, http://js.foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

var check = 1;

function blink() {
  var inp = gpio_get(0);
  var blk = (check > 8) ? 1 - inp : inp;
  gpio_set(2, blk);
  check = check >= 10 ? 1 : check+1;
}

// GPIO 0 as input
// GPIO 2 as output
gpio_dir(0, 0);
gpio_dir(2, 1);

print("blink js OK");