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