rt-thread/components/net/freemodbus-v1.6.0/port/portevent_m.c

62 lines
1.8 KiB
C

/*
* FreeModbus Libary: STM32 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: $Id: portevent_m.c v 1.60 2013/08/13 15:07:05 Armink add Master Functions$
*/
/* ----------------------- Modbus includes ----------------------------------*/
#include "mb.h"
#include "mbport.h"
#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED
/* ----------------------- Variables ----------------------------------------*/
static eMBMasterEventType eMasterQueuedEvent;
static BOOL xMasterEventInQueue;
/* ----------------------- Start implementation -----------------------------*/
BOOL
xMBMasterPortEventInit( void )
{
xMasterEventInQueue = FALSE;
return TRUE;
}
BOOL
xMBMasterPortEventPost( eMBMasterEventType eEvent )
{
xMasterEventInQueue = TRUE;
eMasterQueuedEvent = eEvent;
return TRUE;
}
BOOL
xMBMasterPortEventGet( eMBMasterEventType * eEvent )
{
BOOL xEventHappened = FALSE;
if( xMasterEventInQueue )
{
*eEvent = eMasterQueuedEvent;
xMasterEventInQueue = FALSE;
xEventHappened = TRUE;
}
return xEventHappened;
}
#endif