The prosthetic control(MIT)
platform/mbed_wait_api_no_rtos.c@0:20e0c61e0684, 2022-06-23 (annotated)
- Committer:
- ganlikun
- Date:
- Thu Jun 23 05:23:34 2022 +0000
- Revision:
- 0:20e0c61e0684
01
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ganlikun | 0:20e0c61e0684 | 1 | /* mbed Microcontroller Library |
ganlikun | 0:20e0c61e0684 | 2 | * Copyright (c) 2006-2013 ARM Limited |
ganlikun | 0:20e0c61e0684 | 3 | * |
ganlikun | 0:20e0c61e0684 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
ganlikun | 0:20e0c61e0684 | 5 | * you may not use this file except in compliance with the License. |
ganlikun | 0:20e0c61e0684 | 6 | * You may obtain a copy of the License at |
ganlikun | 0:20e0c61e0684 | 7 | * |
ganlikun | 0:20e0c61e0684 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
ganlikun | 0:20e0c61e0684 | 9 | * |
ganlikun | 0:20e0c61e0684 | 10 | * Unless required by applicable law or agreed to in writing, software |
ganlikun | 0:20e0c61e0684 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
ganlikun | 0:20e0c61e0684 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
ganlikun | 0:20e0c61e0684 | 13 | * See the License for the specific language governing permissions and |
ganlikun | 0:20e0c61e0684 | 14 | * limitations under the License. |
ganlikun | 0:20e0c61e0684 | 15 | */ |
ganlikun | 0:20e0c61e0684 | 16 | |
ganlikun | 0:20e0c61e0684 | 17 | // This implementation of the wait functions will be compiled only |
ganlikun | 0:20e0c61e0684 | 18 | // if the RTOS is not present. |
ganlikun | 0:20e0c61e0684 | 19 | #ifndef MBED_CONF_RTOS_PRESENT |
ganlikun | 0:20e0c61e0684 | 20 | |
ganlikun | 0:20e0c61e0684 | 21 | #include "platform/mbed_wait_api.h" |
ganlikun | 0:20e0c61e0684 | 22 | #include "hal/us_ticker_api.h" |
ganlikun | 0:20e0c61e0684 | 23 | |
ganlikun | 0:20e0c61e0684 | 24 | void wait(float s) { |
ganlikun | 0:20e0c61e0684 | 25 | wait_us(s * 1000000.0f); |
ganlikun | 0:20e0c61e0684 | 26 | } |
ganlikun | 0:20e0c61e0684 | 27 | |
ganlikun | 0:20e0c61e0684 | 28 | void wait_ms(int ms) { |
ganlikun | 0:20e0c61e0684 | 29 | wait_us(ms * 1000); |
ganlikun | 0:20e0c61e0684 | 30 | } |
ganlikun | 0:20e0c61e0684 | 31 | |
ganlikun | 0:20e0c61e0684 | 32 | void wait_us(int us) { |
ganlikun | 0:20e0c61e0684 | 33 | const ticker_data_t *const ticker = get_us_ticker_data(); |
ganlikun | 0:20e0c61e0684 | 34 | uint32_t start = ticker_read(ticker); |
ganlikun | 0:20e0c61e0684 | 35 | while ((ticker_read(ticker) - start) < (uint32_t)us); |
ganlikun | 0:20e0c61e0684 | 36 | } |
ganlikun | 0:20e0c61e0684 | 37 | |
ganlikun | 0:20e0c61e0684 | 38 | #endif // #ifndef MBED_CONF_RTOS_PRESENT |
ganlikun | 0:20e0c61e0684 | 39 | |
ganlikun | 0:20e0c61e0684 | 40 |