Modbus RTU/ASCII/TCP with lwip TCP working partial, but with errors (retransmitions)

Dependencies:   EthernetNetIf mbed

Committer:
tmav123
Date:
Mon Dec 05 22:49:02 2011 +0000
Revision:
0:f54e9507171b

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tmav123 0:f54e9507171b 1 /*
tmav123 0:f54e9507171b 2 * FreeModbus Libary: BARE Port
tmav123 0:f54e9507171b 3 * Copyright (C) 2006 Christian Walter <wolti@sil.at>
tmav123 0:f54e9507171b 4 *
tmav123 0:f54e9507171b 5 * This library is free software; you can redistribute it and/or
tmav123 0:f54e9507171b 6 * modify it under the terms of the GNU Lesser General Public
tmav123 0:f54e9507171b 7 * License as published by the Free Software Foundation; either
tmav123 0:f54e9507171b 8 * version 2.1 of the License, or (at your option) any later version.
tmav123 0:f54e9507171b 9 *
tmav123 0:f54e9507171b 10 * This library is distributed in the hope that it will be useful,
tmav123 0:f54e9507171b 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
tmav123 0:f54e9507171b 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
tmav123 0:f54e9507171b 13 * Lesser General Public License for more details.
tmav123 0:f54e9507171b 14 *
tmav123 0:f54e9507171b 15 * You should have received a copy of the GNU Lesser General Public
tmav123 0:f54e9507171b 16 * License along with this library; if not, write to the Free Software
tmav123 0:f54e9507171b 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
tmav123 0:f54e9507171b 18 *
tmav123 0:f54e9507171b 19 * File: $Id: portevent.c,v 1.1 2006/08/22 21:35:13 wolti Exp $
tmav123 0:f54e9507171b 20 */
tmav123 0:f54e9507171b 21
tmav123 0:f54e9507171b 22 /* ----------------------- Modbus includes ----------------------------------*/
tmav123 0:f54e9507171b 23 #include "mb.h"
tmav123 0:f54e9507171b 24 #include "mbport.h"
tmav123 0:f54e9507171b 25
tmav123 0:f54e9507171b 26 /* ----------------------- Variables ----------------------------------------*/
tmav123 0:f54e9507171b 27 static eMBEventType eQueuedEvent;
tmav123 0:f54e9507171b 28 static BOOL xEventInQueue;
tmav123 0:f54e9507171b 29
tmav123 0:f54e9507171b 30 /* ----------------------- Start implementation -----------------------------*/
tmav123 0:f54e9507171b 31 BOOL
tmav123 0:f54e9507171b 32 xMBPortEventInit( void )
tmav123 0:f54e9507171b 33 {
tmav123 0:f54e9507171b 34 xEventInQueue = FALSE;
tmav123 0:f54e9507171b 35 return TRUE;
tmav123 0:f54e9507171b 36 }
tmav123 0:f54e9507171b 37
tmav123 0:f54e9507171b 38 BOOL
tmav123 0:f54e9507171b 39 xMBPortEventPost( eMBEventType eEvent )
tmav123 0:f54e9507171b 40 {
tmav123 0:f54e9507171b 41 xEventInQueue = TRUE;
tmav123 0:f54e9507171b 42 eQueuedEvent = eEvent;
tmav123 0:f54e9507171b 43 return TRUE;
tmav123 0:f54e9507171b 44 }
tmav123 0:f54e9507171b 45
tmav123 0:f54e9507171b 46 BOOL
tmav123 0:f54e9507171b 47 xMBPortEventGet( eMBEventType * eEvent )
tmav123 0:f54e9507171b 48 {
tmav123 0:f54e9507171b 49 BOOL xEventHappened = FALSE;
tmav123 0:f54e9507171b 50
tmav123 0:f54e9507171b 51 if( xEventInQueue )
tmav123 0:f54e9507171b 52 {
tmav123 0:f54e9507171b 53 *eEvent = eQueuedEvent;
tmav123 0:f54e9507171b 54 xEventInQueue = FALSE;
tmav123 0:f54e9507171b 55 xEventHappened = TRUE;
tmav123 0:f54e9507171b 56 }
tmav123 0:f54e9507171b 57 return xEventHappened;
tmav123 0:f54e9507171b 58 }