Ermanno Brusadin / mbed-src

mbed library sources

common/wait_api.c@0:0a673c671a56, 2016-07-27 (annotated)

Committer:
ebrus
Date:
Wed Jul 27 18:35:32 2016 +0000
Revision:
0:0a673c671a56
4

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ebrus 0:0a673c671a56 1 /* mbed Microcontroller Library
ebrus 0:0a673c671a56 2 * Copyright (c) 2006-2013 ARM Limited
ebrus 0:0a673c671a56 3 *
ebrus 0:0a673c671a56 4 * Licensed under the Apache License, Version 2.0 (the "License");
ebrus 0:0a673c671a56 5 * you may not use this file except in compliance with the License.
ebrus 0:0a673c671a56 6 * You may obtain a copy of the License at
ebrus 0:0a673c671a56 7 *
ebrus 0:0a673c671a56 8 * http://www.apache.org/licenses/LICENSE-2.0
ebrus 0:0a673c671a56 9 *
ebrus 0:0a673c671a56 10 * Unless required by applicable law or agreed to in writing, software
ebrus 0:0a673c671a56 11 * distributed under the License is distributed on an "AS IS" BASIS,
ebrus 0:0a673c671a56 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ebrus 0:0a673c671a56 13 * See the License for the specific language governing permissions and
ebrus 0:0a673c671a56 14 * limitations under the License.
ebrus 0:0a673c671a56 15 */
ebrus 0:0a673c671a56 16 #include "wait_api.h"
ebrus 0:0a673c671a56 17 #include "us_ticker_api.h"
ebrus 0:0a673c671a56 18
ebrus 0:0a673c671a56 19 void wait(float s) {
ebrus 0:0a673c671a56 20 wait_us(s * 1000000.0f);
ebrus 0:0a673c671a56 21 }
ebrus 0:0a673c671a56 22
ebrus 0:0a673c671a56 23 void wait_ms(int ms) {
ebrus 0:0a673c671a56 24 wait_us(ms * 1000);
ebrus 0:0a673c671a56 25 }
ebrus 0:0a673c671a56 26
ebrus 0:0a673c671a56 27 void wait_us(int us) {
ebrus 0:0a673c671a56 28 uint32_t start = us_ticker_read();
ebrus 0:0a673c671a56 29 while ((us_ticker_read() - start) < (uint32_t)us);
ebrus 0:0a673c671a56 30 }