d06e6c83b3
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4963 42af7a65-404d-4744-a932-0658087f49c3
105 lines
2.9 KiB
C
105 lines
2.9 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
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vMBPortLogLevel( eMBPortLogLevel eNewLevelMax )
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{
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eLevelMax = eNewLevelMax;
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}
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void
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vMBPortLogFile( FILE * fNewLogFile )
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{
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fLogFile = fNewLogFile;
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}
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void
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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
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vMBPortEnterCritical( void )
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{
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if( pthread_mutex_lock( &xLock ) != 0 )
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{
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vMBPortLog( MB_LOG_ERROR, "OTHER", "Locking primitive failed: %s\n", strerror( errno ) );
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}
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}
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void
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vMBPortExitCritical( void )
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{
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if( pthread_mutex_unlock( &xLock ) != 0 )
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{
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vMBPortLog( MB_LOG_ERROR, "OTHER", "Locking primitive failed: %s\n", strerror( errno ) );
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}
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}
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