mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-24 05:23:06 +00:00
116 lines
3.2 KiB
C
116 lines
3.2 KiB
C
/******************************************************************************
|
|
* @attention
|
|
*
|
|
* <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2>
|
|
*
|
|
* Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (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.st.com/myliberty
|
|
*
|
|
* 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,
|
|
* AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
******************************************************************************/
|
|
/*
|
|
* PROJECT: ST25R391x firmware
|
|
* $Revision: $
|
|
* LANGUAGE: ANSI C
|
|
*/
|
|
|
|
/*! \file timer.c
|
|
*
|
|
* \brief SW Timer implementation
|
|
*
|
|
* \author Gustavo Patricio
|
|
*
|
|
* This module makes use of a System Tick in millisconds and provides
|
|
* an abstraction for SW timers
|
|
*
|
|
*/
|
|
|
|
/*
|
|
******************************************************************************
|
|
* INCLUDES
|
|
******************************************************************************
|
|
*/
|
|
#include "timer.h"
|
|
|
|
|
|
/*
|
|
******************************************************************************
|
|
* LOCAL DEFINES
|
|
******************************************************************************
|
|
*/
|
|
|
|
/*
|
|
******************************************************************************
|
|
* LOCAL VARIABLES
|
|
******************************************************************************
|
|
*/
|
|
|
|
static uint32_t timerStopwatchTick;
|
|
|
|
/*
|
|
******************************************************************************
|
|
* GLOBAL FUNCTIONS
|
|
******************************************************************************
|
|
*/
|
|
|
|
|
|
/*******************************************************************************/
|
|
uint32_t timerCalculateTimer( uint16_t time )
|
|
{
|
|
return (osKernelGetTickCount() + time);
|
|
}
|
|
|
|
|
|
/*******************************************************************************/
|
|
bool timerIsExpired( uint32_t timer )
|
|
{
|
|
uint32_t uDiff;
|
|
int32_t sDiff;
|
|
|
|
uDiff = (timer - osKernelGetTickCount()); /* Calculate the diff between the timers */
|
|
sDiff = uDiff; /* Convert the diff to a signed var */
|
|
|
|
/* Check if the given timer has expired already */
|
|
if( sDiff < 0 )
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/*******************************************************************************/
|
|
void timerDelay( uint16_t tOut )
|
|
{
|
|
uint32_t t;
|
|
|
|
/* Calculate the timer and wait blocking until is running */
|
|
t = timerCalculateTimer( tOut );
|
|
while( timerIsRunning(t) );
|
|
}
|
|
|
|
|
|
/*******************************************************************************/
|
|
void timerStopwatchStart( void )
|
|
{
|
|
timerStopwatchTick = osKernelGetTickCount();
|
|
}
|
|
|
|
|
|
/*******************************************************************************/
|
|
uint32_t timerStopwatchMeasure( void )
|
|
{
|
|
return (uint32_t)(osKernelGetTickCount() - timerStopwatchTick);
|
|
}
|
|
|