Athanassios Mavrogeorgiadis / Mbed 2 deprecated ModbusTCP

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

Dependencies:   EthernetNetIf mbed

ModBus/porttimer.cpp@0:f54e9507171b, 2011-12-05 (annotated)

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

        

        
Who changed what in which revision?

        

            
                
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/*





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 * FreeModbus Libary: BARE Port





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 * Copyright (C) 2006 Christian Walter <wolti@sil.at>





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 *





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 * This library is free software; you can redistribute it and/or





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 * modify it under the terms of the GNU Lesser General Public





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 * License as published by the Free Software Foundation; either





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 * version 2.1 of the License, or (at your option) any later version.





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 *





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 * This library is distributed in the hope that it will be useful,





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 * but WITHOUT ANY WARRANTY; without even the implied warranty of





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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU





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 * Lesser General Public License for more details.





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 *





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 * You should have received a copy of the GNU Lesser General Public





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 * License along with this library; if not, write to the Free Software





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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA





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 *





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 * File: $Id: porttimer.c,v 1.1 2006/08/22 21:35:13 wolti Exp $





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 */





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/* ----------------------- System includes ----------------------------------*/





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#include "mbed.h"           // Cam





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/* ----------------------- Platform includes --------------------------------*/





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#include "port.h"





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/* ----------------------- Modbus includes ----------------------------------*/





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#include "mb.h"





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#include "mbport.h"





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/* ----------------------- static functions ---------------------------------*/





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static void prvvTIMERExpiredISR( void );





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/* ----------------------- System Variables ---------------------------------*/





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Timeout toMBUS;             // Cam - mbed timeout





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static ULONG usInterval;    // Cam - timeout interval in microseconds 





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/* ----------------------- Start implementation -----------------------------*/





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BOOL





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xMBPortTimersInit( USHORT usTim1Timerout50us )





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{





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    usInterval = 50 * usTim1Timerout50us;





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    return TRUE;





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}





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/*inline*/ void





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vMBPortTimersEnable(  )





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{





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    /* Enable the timer with the timeout passed to xMBPortTimersInit( ) */





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    // Cam - firstly detach from any existing timeout





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    toMBUS.detach();





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    // Cam - now attach the timeout to the prvvTIMERExpiredISR routine    





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    toMBUS.attach_us(&prvvTIMERExpiredISR, usInterval); 





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}





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/*inline*/ void





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vMBPortTimersDisable(  )





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{





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    /* Disable any pending timers. */





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    // Cam - disable further interrupts by detaching





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    toMBUS.detach();





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}





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/* Create an ISR which is called whenever the timer has expired. This function





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 * must then call pxMBPortCBTimerExpired( ) to notify the protocol stack that





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 * the timer has expired.





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 */





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static void prvvTIMERExpiredISR( void )





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{





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    ( void )pxMBPortCBTimerExpired(  );





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    // Cam - disable further interrupts by detaching





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    toMBUS.detach(); 





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}





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