129 lines
4.0 KiB
C
129 lines
4.0 KiB
C
/******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2>
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*
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* Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.st.com/myliberty
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
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* AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/*
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* PROJECT: ST25R391x firmware
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* $Revision: $
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* LANGUAGE: ANSI C
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*/
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/*! \file timer.h
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*
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* \brief SW Timer implementation header file
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*
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* This module makes use of a System Tick in millisconds and provides
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* an abstraction for SW timers
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*
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*/
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/*
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******************************************************************************
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* INCLUDES
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******************************************************************************
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*/
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#include "platform.h"
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/*
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******************************************************************************
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* GLOBAL MACROS
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******************************************************************************
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*/
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#define timerIsRunning(t) (!timerIsExpired(t))
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/*
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******************************************************************************
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* GLOBAL DEFINES
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******************************************************************************
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*/
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/*!
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*****************************************************************************
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* \brief Calculate Timer
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*
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* This method calculates when the timer will be expired given the amount
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* time in milliseconds /a tOut.
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* Once the timer has been calculated it will then be used to check when
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* it expires.
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*
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* \see timersIsExpired
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*
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* \param[in] time : time/duration in Milliseconds for the timer
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*
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* \return u32 : The new timer calculated based on the given time
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*****************************************************************************
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*/
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uint32_t timerCalculateTimer( uint16_t time );
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/*!
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*****************************************************************************
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* \brief Checks if a Timer is Expired
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*
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* This method checks if a timer has already expired.
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* Based on the given timer previously calculated it checks if this timer
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* has already elapsed
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*
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* \see timersCalculateTimer
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*
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* \param[in] timer : the timer to check
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*
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* \return true : timer has already expired
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* \return false : timer is still running
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*****************************************************************************
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*/
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bool timerIsExpired( uint32_t timer );
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/*!
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*****************************************************************************
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* \brief Performs a Delay
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*
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* This method performs a delay for the given amount of time in Milliseconds
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*
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* \param[in] time : time/duration in Milliseconds of the delay
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*
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*****************************************************************************
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*/
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void timerDelay( uint16_t time );
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/*!
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*****************************************************************************
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* \brief Stopwatch start
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*
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* This method initiates the stopwatch to later measure the time in ms
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*
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*****************************************************************************
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*/
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void timerStopwatchStart( void );
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/*!
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*****************************************************************************
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* \brief Stopwatch Measure
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*
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* This method returns the elapsed time in ms since the stopwatch was initiated
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*
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* \return The time in ms since the stopwatch was started
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*****************************************************************************
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*/
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uint32_t timerStopwatchMeasure( void );
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