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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)
{
int ret = pthread_mutex_lock(&xLock);
if (ret != 0)
{
vMBPortLog(MB_LOG_ERROR, "OTHER", "Locking primitive failed: %d\n", ret);
}
}
void vMBPortExitCritical(void)
{
int ret = pthread_mutex_unlock(&xLock);
if (ret != 0)
{
vMBPortLog(MB_LOG_ERROR, "OTHER", "Locking primitive failed: %d\n", ret);
}
}
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