SPKT
common/wait_api.c@0:e87aa4c49e95, 2019-06-04 (annotated)
- Committer:
- phungductung
- Date:
- Tue Jun 04 21:51:46 2019 +0000
- Revision:
- 0:e87aa4c49e95
libray
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
phungductung | 0:e87aa4c49e95 | 1 | /* mbed Microcontroller Library |
phungductung | 0:e87aa4c49e95 | 2 | * Copyright (c) 2006-2013 ARM Limited |
phungductung | 0:e87aa4c49e95 | 3 | * |
phungductung | 0:e87aa4c49e95 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
phungductung | 0:e87aa4c49e95 | 5 | * you may not use this file except in compliance with the License. |
phungductung | 0:e87aa4c49e95 | 6 | * You may obtain a copy of the License at |
phungductung | 0:e87aa4c49e95 | 7 | * |
phungductung | 0:e87aa4c49e95 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
phungductung | 0:e87aa4c49e95 | 9 | * |
phungductung | 0:e87aa4c49e95 | 10 | * Unless required by applicable law or agreed to in writing, software |
phungductung | 0:e87aa4c49e95 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
phungductung | 0:e87aa4c49e95 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
phungductung | 0:e87aa4c49e95 | 13 | * See the License for the specific language governing permissions and |
phungductung | 0:e87aa4c49e95 | 14 | * limitations under the License. |
phungductung | 0:e87aa4c49e95 | 15 | */ |
phungductung | 0:e87aa4c49e95 | 16 | #include "wait_api.h" |
phungductung | 0:e87aa4c49e95 | 17 | #include "us_ticker_api.h" |
phungductung | 0:e87aa4c49e95 | 18 | |
phungductung | 0:e87aa4c49e95 | 19 | void wait(float s) { |
phungductung | 0:e87aa4c49e95 | 20 | wait_us(s * 1000000.0f); |
phungductung | 0:e87aa4c49e95 | 21 | } |
phungductung | 0:e87aa4c49e95 | 22 | |
phungductung | 0:e87aa4c49e95 | 23 | void wait_ms(int ms) { |
phungductung | 0:e87aa4c49e95 | 24 | wait_us(ms * 1000); |
phungductung | 0:e87aa4c49e95 | 25 | } |
phungductung | 0:e87aa4c49e95 | 26 | |
phungductung | 0:e87aa4c49e95 | 27 | void wait_us(int us) { |
phungductung | 0:e87aa4c49e95 | 28 | uint32_t start = us_ticker_read(); |
phungductung | 0:e87aa4c49e95 | 29 | while ((us_ticker_read() - start) < (uint32_t)us); |
phungductung | 0:e87aa4c49e95 | 30 | } |