6071b29253
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4968 42af7a65-404d-4744-a932-0658087f49c3
107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/*
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* FreeModbus Libary: NuttX Port
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* Based on the FreeModbus Linux port by:
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*
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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: portother.c,v 1.1 2006/08/01 20:58:49 wolti Exp $
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*/
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/* ----------------------- Standard includes --------------------------------*/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <errno.h>
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#include <pthread.h>
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#include "port.h"
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/* ----------------------- Modbus includes ----------------------------------*/
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#include <apps/modbus/mb.h>
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#include <apps/modbus/mbport.h>
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/* ----------------------- Defines ------------------------------------------*/
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#define NELEMS(x) (sizeof((x))/sizeof((x)[0]))
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/* ----------------------- Static variables ---------------------------------*/
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static FILE *fLogFile = NULL;
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static eMBPortLogLevel eLevelMax = MB_LOG_DEBUG;
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static pthread_mutex_t xLock = PTHREAD_MUTEX_INITIALIZER;
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/* ----------------------- Start implementation -----------------------------*/
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void vMBPortLogLevel(eMBPortLogLevel eNewLevelMax)
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{
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eLevelMax = eNewLevelMax;
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}
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void vMBPortLogFile(FILE * fNewLogFile)
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{
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fLogFile = fNewLogFile;
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}
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void vMBPortLog(eMBPortLogLevel eLevel, const char * szModule, const char * szFmt, ...)
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{
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char szBuf[512];
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int i;
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va_list args;
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FILE *fOutput = fLogFile == NULL ? stderr : fLogFile;
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static const char *arszLevel2Str[] = { "ERROR", "WARN", "INFO", "DEBUG" };
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i = snprintf(szBuf, NELEMS(szBuf), "%s: %s: ", arszLevel2Str[eLevel], szModule);
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if (i != 0)
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{
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va_start(args, szFmt);
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i += vsnprintf(&szBuf[i], NELEMS(szBuf) - i, szFmt, args);
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va_end(args);
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}
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if (i != 0)
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{
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if (eLevel <= eLevelMax)
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{
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fputs(szBuf, fOutput);
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}
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}
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}
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void vMBPortEnterCritical(void)
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{
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int ret = pthread_mutex_lock(&xLock);
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if (ret != 0)
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{
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vMBPortLog(MB_LOG_ERROR, "OTHER", "Locking primitive failed: %d\n", ret);
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}
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}
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void vMBPortExitCritical(void)
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{
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int ret = pthread_mutex_unlock(&xLock);
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if (ret != 0)
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{
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vMBPortLog(MB_LOG_ERROR, "OTHER", "Locking primitive failed: %d\n", ret);
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}
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}
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