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

69 lines
2.1 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: portevent.c,v 1.60 2013/08/13 15:07:05 Armink $
*/
/* ----------------------- Modbus includes ----------------------------------*/
#include "mb.h"
#include "mbport.h"
/* ----------------------- Variables ----------------------------------------*/
static struct rt_event xSlaveOsEvent;
/* ----------------------- Start implementation -----------------------------*/
BOOL
xMBPortEventInit( void )
{
rt_event_init(&xSlaveOsEvent,"slave event",RT_IPC_FLAG_PRIO);
return TRUE;
}
BOOL
xMBPortEventPost( eMBEventType eEvent )
{
rt_event_send(&xSlaveOsEvent, eEvent);
return TRUE;
}
BOOL
xMBPortEventGet( eMBEventType * eEvent )
{
rt_uint32_t recvedEvent;
/* waiting forever OS event */
rt_event_recv(&xSlaveOsEvent,
EV_READY | EV_FRAME_RECEIVED | EV_EXECUTE | EV_FRAME_SENT,
RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, RT_WAITING_FOREVER,
&recvedEvent);
switch (recvedEvent)
{
case EV_READY:
*eEvent = EV_READY;
break;
case EV_FRAME_RECEIVED:
*eEvent = EV_FRAME_RECEIVED;
break;
case EV_EXECUTE:
*eEvent = EV_EXECUTE;
break;
case EV_FRAME_SENT:
*eEvent = EV_FRAME_SENT;
break;
}
return TRUE;
}