| // Copyright 2025 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 "vending_machine.h" |
| |
| #include "pw_async2/await.h" |
| #include "pw_log/log.h" |
| |
| namespace codelab { |
| |
| pw::async2::Poll<> VendingMachineTask::DoPend(pw::async2::Context& cx) { |
| if (!coin_future_.is_pendable()) { |
| PW_LOG_INFO("Welcome to the Pigweed Vending Machine!"); |
| PW_LOG_INFO("Please insert a coin."); |
| coin_future_ = coin_slot_.GetCoins(); |
| } |
| |
| PW_AWAIT(unsigned coins, coin_future_, cx); |
| PW_LOG_INFO( |
| "Received %u coin%s. Dispensing item.", coins, coins > 1 ? "s" : ""); |
| return pw::async2::Ready(); |
| } |
| |
| } // namespace codelab |