RYUICHI NAKAYAMA / mbed-dev

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Fork of mbed-dev by mbed official

common/wait_api.c@144:423e1876dc07, 2016-08-02 (annotated)

Committer:
screamer
Date:
Tue Aug 02 14:07:36 2016 +0000
Revision:
144:423e1876dc07
Parent:
0:9b334a45a8ff 
Added targets.json file for the supported targets in the release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /* mbed Microcontroller Library
bogdanm 0:9b334a45a8ff 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 0:9b334a45a8ff 3 *
bogdanm 0:9b334a45a8ff 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 0:9b334a45a8ff 5 * you may not use this file except in compliance with the License.
bogdanm 0:9b334a45a8ff 6 * You may obtain a copy of the License at
bogdanm 0:9b334a45a8ff 7 *
bogdanm 0:9b334a45a8ff 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 0:9b334a45a8ff 9 *
bogdanm 0:9b334a45a8ff 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 0:9b334a45a8ff 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 0:9b334a45a8ff 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 0:9b334a45a8ff 13 * See the License for the specific language governing permissions and
bogdanm 0:9b334a45a8ff 14 * limitations under the License.
bogdanm 0:9b334a45a8ff 15 */
bogdanm 0:9b334a45a8ff 16 #include "wait_api.h"
bogdanm 0:9b334a45a8ff 17 #include "us_ticker_api.h"
bogdanm 0:9b334a45a8ff 18
bogdanm 0:9b334a45a8ff 19 void wait(float s) {
bogdanm 0:9b334a45a8ff 20 wait_us(s * 1000000.0f);
bogdanm 0:9b334a45a8ff 21 }
bogdanm 0:9b334a45a8ff 22
bogdanm 0:9b334a45a8ff 23 void wait_ms(int ms) {
bogdanm 0:9b334a45a8ff 24 wait_us(ms * 1000);
bogdanm 0:9b334a45a8ff 25 }
bogdanm 0:9b334a45a8ff 26
bogdanm 0:9b334a45a8ff 27 void wait_us(int us) {
bogdanm 0:9b334a45a8ff 28 uint32_t start = us_ticker_read();
bogdanm 0:9b334a45a8ff 29 while ((us_ticker_read() - start) < (uint32_t)us);
bogdanm 0:9b334a45a8ff 30 }