siva surendar / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by mbed official

platform/mbed_wait_api_no_rtos.c@150:da61ba4e9755, 2016-11-25 (annotated)

Committer:
sivasuren
Date:
Fri Nov 25 07:57:40 2016 +0000
Revision:
150:da61ba4e9755
Parent:
149:156823d33999 
surendar changes

Who changed what in which revision?

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<> 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
<> 149:156823d33999 21 #include "platform/wait_api.h"
<> 149:156823d33999 22 #include "hal/us_ticker_api.h"
<> 149:156823d33999 23
<> 149:156823d33999 24 void wait(float s) {
<> 149:156823d33999 25 wait_us(s * 1000000.0f);
<> 149:156823d33999 26 }
<> 149:156823d33999 27
<> 149:156823d33999 28 void wait_ms(int ms) {
<> 149:156823d33999 29 wait_us(ms * 1000);
<> 149:156823d33999 30 }
<> 149:156823d33999 31
<> 149:156823d33999 32 void wait_us(int us) {
<> 149:156823d33999 33 uint32_t start = us_ticker_read();
<> 149:156823d33999 34 while ((us_ticker_read() - start) < (uint32_t)us);
<> 149:156823d33999 35 }
<> 149:156823d33999 36
<> 149:156823d33999 37 #endif // #ifndef MBED_CONF_RTOS_PRESENT
<> 149:156823d33999 38