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platform/mbed_wait_api.h
- Committer:
- kevman
- Date:
- 2019-03-13
- Revision:
- 2:7aab896b1a3b
- Parent:
- 0:38ceb79fef03
File content as of revision 2:7aab896b1a3b:
/** \addtogroup platform */ /** @{*/ /** * \defgroup platform_wait_api wait_api functions * @{ */ /* 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. */ #ifndef MBED_WAIT_API_H #define MBED_WAIT_API_H #ifdef __cplusplus extern "C" { #endif /** Generic wait functions. * * These provide simple NOP type wait capabilities. * * Example: * @code * #include "mbed.h" * * DigitalOut heartbeat(LED1); * * int main() { * while (1) { * heartbeat = 1; * wait(0.5); * heartbeat = 0; * wait(0.5); * } * } * @endcode */ /** Waits for a number of seconds, with microsecond resolution (within * the accuracy of single precision floating point). * * @param s number of seconds to wait * * @note * If the RTOS is present, this function always spins to get the exact number of microseconds, * which potentially affects power (such as preventing deep sleep) and multithread performance. * You can avoid it by using Thread::wait(). */ void wait(float s); /** Waits a number of milliseconds. * * @param ms the whole number of milliseconds to wait * * @note * If the RTOS is present, this function always spins to get the exact number of microseconds, * which potentially affects power (such as preventing deep sleep) and multithread performance. * You can avoid it by using Thread::wait(). */ void wait_ms(int ms); /** Waits a number of microseconds. * * @param us the whole number of microseconds to wait * * @note * If the RTOS is present, this function always spins to get the exact number of microseconds, * which potentially affects power (such as preventing deep sleep) and multithread performance. */ void wait_us(int us); #ifdef __cplusplus } #endif #endif /** @}*/ /** @}*/