Permalink
Fetching contributors…
Cannot retrieve contributors at this time
31 lines (27 sloc) 905 Bytes
/* mbed Microcontroller Library
* Copyright (c) 2006-2013 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "wait_api.h"
#include "us_ticker_api.h"
void wait(float s) {
wait_us(s * 1000000.0f);
}
void wait_ms(int ms) {
wait_us(ms * 1000);
}
void wait_us(int us) {
uint32_t start = us_ticker_read();
while ((us_ticker_read() - start) < (uint32_t)us);
}