e3c7201a20
* Furi: rename and move core * Furi: drop CMSIS_OS header and unused api, partially refactor and cleanup the rest * Furi: CMSIS_OS drop and refactoring. * Furi: refactoring, remove cmsis legacy * Furi: fix incorrect assert on queue deallocation, cleanup timer * Furi: improve delay api, get rid of floats * hal: dropped furi_hal_crc * Furi: move DWT based delay to cortex HAL * Furi: update core documentation Co-authored-by: hedger <hedger@nanode.su>
106 lines
3.2 KiB
C
106 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"
|
|
#include <furi.h>
|
|
|
|
/*
|
|
******************************************************************************
|
|
* LOCAL DEFINES
|
|
******************************************************************************
|
|
*/
|
|
|
|
/*
|
|
******************************************************************************
|
|
* LOCAL VARIABLES
|
|
******************************************************************************
|
|
*/
|
|
|
|
static uint32_t timerStopwatchTick;
|
|
|
|
/*
|
|
******************************************************************************
|
|
* GLOBAL FUNCTIONS
|
|
******************************************************************************
|
|
*/
|
|
|
|
/*******************************************************************************/
|
|
uint32_t timerCalculateTimer(uint16_t time) {
|
|
return (furi_get_tick() + time);
|
|
}
|
|
|
|
/*******************************************************************************/
|
|
bool timerIsExpired(uint32_t timer) {
|
|
uint32_t uDiff;
|
|
int32_t sDiff;
|
|
|
|
uDiff = (timer - furi_get_tick()); /* 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 = furi_get_tick();
|
|
}
|
|
|
|
/*******************************************************************************/
|
|
uint32_t timerStopwatchMeasure(void) {
|
|
return (uint32_t)(furi_get_tick() - timerStopwatchTick);
|
|
}
|