Diff: ModBus/portother.cpp

Revision:

0:f54e9507171b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ModBus/portother.cpp	Mon Dec 05 22:49:02 2011 +0000
@@ -0,0 +1,129 @@
+/*
+ * FreeModbus Libary: lwIP Port
+ * 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 2006/08/30 23:18:07 wolti Exp $
+ */
+
+/* ----------------------- System includes ----------------------------------*/
+//#include <sys/types.h>
+//#include <sys/stat.h>
+//#include <unistd.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+
+#include "port.h"
+
+/* ----------------------- Defines ------------------------------------------*/
+#define MB_FRAME_LOG_BUFSIZE    512
+
+/* ----------------------- Start implementation -----------------------------*/
+
+#ifdef MB_TCP_DEBUG
+void
+prvvMBTCPLogFrame( const CHAR * pucMsg, UCHAR * pucFrame, USHORT usFrameLen )
+{
+    int             i;
+    int             res;
+    int             iBufPos = 0;
+    size_t          iBufLeft = MB_FRAME_LOG_BUFSIZE;
+    static CHAR     arcBuffer[MB_FRAME_LOG_BUFSIZE];
+
+    assert( pucFrame != NULL );
+
+    for( i = 0; i < usFrameLen; i++ )
+    {
+        /* Print some additional frame information. */
+        switch ( i )
+        {
+        case 0:
+            /* TID = Transaction Identifier. */
+            res = snprintf( &arcBuffer[iBufPos], iBufLeft, "| TID = " );
+            break;
+        case 2:
+            /* PID = Protocol Identifier. */
+            res = snprintf( &arcBuffer[iBufPos], iBufLeft, " | PID = " );
+            break;
+        case 4:
+            /* Length */
+            res = snprintf( &arcBuffer[iBufPos], iBufLeft, " | LEN = " );
+            break;
+        case 6:
+            /* UID = Unit Identifier. */
+            res = snprintf( &arcBuffer[iBufPos], iBufLeft, " | UID = " );
+            break;
+        case 7:
+            /* MB Function Code. */
+            res = snprintf( &arcBuffer[iBufPos], iBufLeft, "|| FUNC = " );
+            break;
+        case 8:
+            /* MB PDU rest. */
+            res = snprintf( &arcBuffer[iBufPos], iBufLeft, " | DATA = " );
+            break;
+        default:
+            res = 0;
+            break;
+        }
+        if( res == -1 )
+        {
+            break;
+        }
+        else
+        {
+            iBufPos += res;
+            iBufLeft -= res;
+        }
+
+        /* Print the data. */
+        res = snprintf( &arcBuffer[iBufPos], iBufLeft, "%02X", pucFrame[i] );
+        if( res == -1 )
+        {
+            break;
+        }
+        else
+        {
+            iBufPos += res;
+            iBufLeft -= res;
+        }
+    }
+
+    if( res != -1 )
+    {
+        /* Append an end of frame string. */
+        res = snprintf( &arcBuffer[iBufPos], iBufLeft, " |\r\n" );
+        if( res != -1 )
+        {
+            vMBPortLog( MB_LOG_DEBUG, pucMsg, "%s", arcBuffer );
+        }
+    }
+}
+#endif
+
+#ifdef MB_TCP_DEBUG
+void
+vMBPortLog( eMBPortLogLevel eLevel, const CHAR * szModule, const CHAR * szFmt, ... )
+{
+    va_list         args;
+    static const char *arszLevel2Str[] = {  "ERROR", "WARN", "INFO", "DEBUG"};
+
+    ( void )printf( "%s: %s: ", arszLevel2Str[eLevel], szModule );
+    va_start( args, szFmt );
+    vprintf( szFmt, args );
+    va_end( args );
+}
+#endif