PHung Tung / SRC_STM32F7

SPKT

Dependents:   WAV

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?

UserRevisionLine numberNew 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 }