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platform/mbed_wait_api_no_rtos.c@170:a46dc6708fb5, 2018-03-06 (annotated)

Committer:
DirtyGray
Date:
Tue Mar 06 18:18:11 2018 +0000
Revision:
170:a46dc6708fb5
Parent:
160:d5399cc887bb 
Personal test environment for STM32F7

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1 /* mbed Microcontroller Library
<> 149:156823d33999 2 * Copyright (c) 2006-2013 ARM Limited
<> 149:156823d33999 3 *
<> 149:156823d33999 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 149:156823d33999 5 * you may not use this file except in compliance with the License.
<> 149:156823d33999 6 * You may obtain a copy of the License at
<> 149:156823d33999 7 *
<> 149:156823d33999 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 149:156823d33999 9 *
<> 149:156823d33999 10 * Unless required by applicable law or agreed to in writing, software
<> 149:156823d33999 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 149:156823d33999 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 149:156823d33999 13 * See the License for the specific language governing permissions and
<> 149:156823d33999 14 * limitations under the License.
<> 149:156823d33999 15 */
<> 149:156823d33999 16
<> 149:156823d33999 17 // This implementation of the wait functions will be compiled only
<> 149:156823d33999 18 // if the RTOS is not present.
<> 149:156823d33999 19 #ifndef MBED_CONF_RTOS_PRESENT
<> 149:156823d33999 20
<> 160:d5399cc887bb 21 #include "platform/mbed_wait_api.h"
<> 149:156823d33999 22 #include "hal/us_ticker_api.h"
<> 149:156823d33999 23
DirtyGray 170:a46dc6708fb5 24 void wait_minute(float m) {
DirtyGray 170:a46dc6708fb5 25 //35m maximum minutes allowed, over will exceed maximum float value
DirtyGray 170:a46dc6708fb5 26 wait_us(m * 60000000.0f);
DirtyGray 170:a46dc6708fb5 27 }
DirtyGray 170:a46dc6708fb5 28
<> 149:156823d33999 29 void wait(float s) {
DirtyGray 170:a46dc6708fb5 30 //2147 maximum seconds allowed, over will exceed maximum float value
<> 149:156823d33999 31 wait_us(s * 1000000.0f);
<> 149:156823d33999 32 }
<> 149:156823d33999 33
<> 149:156823d33999 34 void wait_ms(int ms) {
DirtyGray 170:a46dc6708fb5 35 //21487483 maximum milliseconds allowed, over will exceed maximum integer value
<> 149:156823d33999 36 wait_us(ms * 1000);
<> 149:156823d33999 37 }
<> 149:156823d33999 38
<> 149:156823d33999 39 void wait_us(int us) {
<> 149:156823d33999 40 uint32_t start = us_ticker_read();
<> 149:156823d33999 41 while ((us_ticker_read() - start) < (uint32_t)us);
<> 149:156823d33999 42 }
<> 149:156823d33999 43
<> 149:156823d33999 44 #endif // #ifndef MBED_CONF_RTOS_PRESENT
<> 149:156823d33999 45