li lei
/
mbed-stm32l0l1-src
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mbed-stm32l0l1-src-1
by 
lzbp li
common/wait_api.c@10:3bc89ef62ce7, 2013-06-14 (annotated)
- Committer:
- emilmont
- Date:
- Fri Jun 14 17:49:17 2013 +0100
- Revision:
- 10:3bc89ef62ce7
- Parent:
- 9:0ce32e54c9a7
- Child:
- 13:0645d8841f51
Unify mbed library sources
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| emilmont | 10:3bc89ef62ce7 | 1 | /* mbed Microcontroller Library |
| emilmont | 10:3bc89ef62ce7 | 2 | * Copyright (c) 2006-2013 ARM Limited |
| emilmont | 10:3bc89ef62ce7 | 3 | * |
| emilmont | 10:3bc89ef62ce7 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| emilmont | 10:3bc89ef62ce7 | 5 | * you may not use this file except in compliance with the License. |
| emilmont | 10:3bc89ef62ce7 | 6 | * You may obtain a copy of the License at |
| emilmont | 10:3bc89ef62ce7 | 7 | * |
| emilmont | 10:3bc89ef62ce7 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| emilmont | 10:3bc89ef62ce7 | 9 | * |
| emilmont | 10:3bc89ef62ce7 | 10 | * Unless required by applicable law or agreed to in writing, software |
| emilmont | 10:3bc89ef62ce7 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| emilmont | 10:3bc89ef62ce7 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| emilmont | 10:3bc89ef62ce7 | 13 | * See the License for the specific language governing permissions and |
| emilmont | 10:3bc89ef62ce7 | 14 | * limitations under the License. |
| emilmont | 10:3bc89ef62ce7 | 15 | */ |
| emilmont | 10:3bc89ef62ce7 | 16 | #include "wait_api.h" |
| emilmont | 10:3bc89ef62ce7 | 17 | #include "us_ticker_api.h" |
| emilmont | 10:3bc89ef62ce7 | 18 | |
| emilmont | 10:3bc89ef62ce7 | 19 | void wait(float s) { |
| emilmont | 10:3bc89ef62ce7 | 20 | wait_us(s * 1000000.0f); |
| emilmont | 10:3bc89ef62ce7 | 21 | } |
| emilmont | 10:3bc89ef62ce7 | 22 | |
| emilmont | 10:3bc89ef62ce7 | 23 | void wait_ms(int ms) { |
| emilmont | 10:3bc89ef62ce7 | 24 | wait_us(ms * 1000); |
| emilmont | 10:3bc89ef62ce7 | 25 | } |
| emilmont | 10:3bc89ef62ce7 | 26 | |
| emilmont | 10:3bc89ef62ce7 | 27 | void wait_us(int us) { |
| emilmont | 10:3bc89ef62ce7 | 28 | uint32_t start = us_ticker_read(); |
| emilmont | 10:3bc89ef62ce7 | 29 | while ((us_ticker_read() - start) < us); |
| emilmont | 10:3bc89ef62ce7 | 30 | } |