Marco Zecchini
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Example_RTOS
Rtos API example
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mbed_wait_api_no_rtos.c
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2013 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 // This implementation of the wait functions will be compiled only 00018 // if the RTOS is not present. 00019 #ifndef MBED_CONF_RTOS_PRESENT 00020 00021 #include "platform/mbed_wait_api.h" 00022 #include "hal/us_ticker_api.h" 00023 00024 void wait(float s) { 00025 wait_us(s * 1000000.0f); 00026 } 00027 00028 void wait_ms(int ms) { 00029 wait_us(ms * 1000); 00030 } 00031 00032 void wait_us(int us) { 00033 const ticker_data_t *const ticker = get_us_ticker_data(); 00034 uint32_t start = ticker_read(ticker); 00035 while ((ticker_read(ticker) - start) < (uint32_t)us); 00036 } 00037 00038 #endif // #ifndef MBED_CONF_RTOS_PRESENT 00039
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