rt-thread/components/net/freemodbus/port/porttimer.c

64 lines
2.0 KiB
C

/*
* FreeModbus Libary: RT-Thread Port
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* File: $Id: porttimer.c,v 1.60 2013/08/13 15:07:05 Armink $
*/
/* ----------------------- Platform includes --------------------------------*/
#include "port.h"
/* ----------------------- Modbus includes ----------------------------------*/
#include "mb.h"
#include "mbport.h"
/* ----------------------- static functions ---------------------------------*/
static struct rt_timer timer;
static void prvvTIMERExpiredISR(void);
static void timer_timeout_ind(void* parameter);
/* ----------------------- Start implementation -----------------------------*/
BOOL xMBPortTimersInit(USHORT usTim1Timerout50us)
{
rt_timer_init(&timer, "slave timer",
timer_timeout_ind, /* bind timeout callback function */
RT_NULL,
(50*usTim1Timerout50us)/(1000*1000/RT_TICK_PER_SECOND),
RT_TIMER_FLAG_ONE_SHOT); /* one shot */
return TRUE;
}
void vMBPortTimersEnable()
{
rt_timer_start(&timer);
}
void vMBPortTimersDisable()
{
rt_timer_stop(&timer);
}
void prvvTIMERExpiredISR(void)
{
(void) pxMBPortCBTimerExpired();
}
static void timer_timeout_ind(void* parameter)
{
prvvTIMERExpiredISR();
}