| // 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. |
| #pragma once |
| |
| #include "pico/time.h" |
| #include "pw_chrono/system_clock.h" |
| |
| namespace pw::chrono::backend { |
| |
| inline int64_t GetSystemClockTickCount() { |
| // While it's probably possible to get a more granular clock, the 64-bit |
| // microsecond hardware timer is sufficient. Additionally, the peripheral API |
| // for the Pico SDK all expect microseconds from boot, so this is the most |
| // appropriate clock to use for that purpose. |
| return time_us_64(); |
| } |
| |
| } // namespace pw::chrono::backend |
