| // Copyright 2021 The Pigweed Authors |
| // |
| // 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 |
| // |
| // https://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. |
| |
| #include "pw_board_led/led.h" |
| |
| #include <Arduino.h> |
| |
| #include <cinttypes> |
| |
| namespace pw::board_led { |
| namespace { |
| |
| constexpr int kLedPin = 13; |
| bool led_on = false; |
| |
| } // namespace |
| |
| void Init() { |
| pinMode(kLedPin, OUTPUT); |
| TurnOff(); |
| } |
| |
| void TurnOff() { |
| digitalWrite(kLedPin, LOW); |
| led_on = false; |
| } |
| |
| void TurnOn() { |
| digitalWrite(kLedPin, HIGH); |
| led_on = true; |
| } |
| |
| void Toggle() { |
| // Check if the LED is on. If so, turn it off. |
| if (led_on) { |
| TurnOff(); |
| } else { |
| TurnOn(); |
| } |
| } |
| |
| } // namespace pw::board_led |