| // Copyright 2023 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_digital_io_rp2040/digital_io.h" |
| |
| #include "hardware/gpio.h" |
| #include "pico/stdlib.h" |
| #include "pw_status/status.h" |
| |
| namespace pw::digital_io { |
| |
| Rp2040DigitalIn::Rp2040DigitalIn(uint32_t pin) : pin_(pin) {} |
| |
| Status Rp2040DigitalIn::DoEnable(bool enable) { |
| if (!enable) { |
| gpio_deinit(pin_); |
| return OkStatus(); |
| } |
| |
| gpio_init(pin_); |
| gpio_set_dir(pin_, GPIO_IN); |
| return OkStatus(); |
| } |
| |
| Result<State> Rp2040DigitalIn::DoGetState() { |
| const pw::Result<State> result(State(gpio_get(pin_))); |
| return result; |
| } |
| |
| Rp2040DigitalInOut::Rp2040DigitalInOut(uint32_t pin) : pin_(pin) {} |
| |
| Status Rp2040DigitalInOut::DoEnable(bool enable) { |
| if (!enable) { |
| gpio_deinit(pin_); |
| return OkStatus(); |
| } |
| |
| gpio_init(pin_); |
| gpio_set_dir(pin_, GPIO_OUT); |
| return OkStatus(); |
| } |
| |
| Status Rp2040DigitalInOut::DoSetState(State level) { |
| gpio_put(pin_, level == State::kActive); |
| return OkStatus(); |
| } |
| |
| Result<State> Rp2040DigitalInOut::DoGetState() { |
| const pw::Result<State> result(State(gpio_get(pin_))); |
| return result; |
| } |
| |
| } // namespace pw::digital_io |