Diff: Debug/DebugTrace.cpp

Revision:

0:9ef709bfeb08

diff -r 000000000000 -r 9ef709bfeb08 Debug/DebugTrace.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Debug/DebugTrace.cpp	Tue Jul 10 13:11:23 2012 +0000
@@ -0,0 +1,138 @@
+/*
+* DebugTrace. Allows dumping debug messages/values to serial or
+* to file.
+*
+* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
+*
+* This file is part of DebugTrace.
+*
+* DebugTrace is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* DebugTrace 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 General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with DebugTrace.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "DebugTrace.h"
+#include <mbed.h>
+#include <stdarg.h>
+//#include <string.h>
+
+Serial logSerial(USBTX, USBRX);
+//LocalFileSystem local("local");
+
+//const char* FILE_PATH = "/sd/";
+//const char* EXTN = ".bak";
+
+DebugTrace::DebugTrace(eLog on, eLogTarget mode)://, const char* fileName, int maxSize) :
+        enabled(on), logMode(mode) { //, maxFileSize(maxSize), currentFileSize(0), logFileStatus(0)
+    /*
+    // allocate memory for file name strings
+       int str_size = (strlen(fileName) + strlen(FILE_PATH) + strlen(EXTN) + 1) * sizeof(char);
+       logFile = (char*)malloc(str_size);
+       logFileBackup = (char*)malloc(str_size);
+
+       // add path to log file name
+       strcpy(logFile, FILE_PATH);
+       strcat(logFile, fileName);
+
+       // create backup file name
+       strcpy(logFileBackup, logFile);
+       strcpy(logFileBackup, strtok(logFileBackup, "."));
+       strcat(logFileBackup, EXTN);*/
+  //  logSerial.baud(115200);
+}
+
+
+DebugTrace::~DebugTrace() {
+    // dust to dust, ashes to ashes
+    /*if (logFile != NULL) free(logFile);
+    if (logFileBackup != NULL) free(logFileBackup);*/
+}
+
+void DebugTrace::clear() {
+    // don't care about whether these fail
+    /*remove(logFile);
+    remove(logFileBackup);*/
+}
+
+void DebugTrace::backupLog() {
+    // delete previous backup file
+    /*if (remove(logFileBackup))
+    {
+        // standard copy stuff
+        char ch;
+        FILE* to = fopen(logFileBackup, "wb");
+        if (NULL != to)
+        {
+            FILE* from = fopen(logFile, "rb");
+            if (NULL != from)
+            {
+                while(!feof(from))
+                {
+                    ch = fgetc(from);
+                    if (ferror(from)) break;
+
+                    if(!feof(from)) fputc(ch, to);
+                    if (ferror(to)) break;
+                }
+            }
+
+            if (NULL != from) fclose(from);
+            if (NULL != to) fclose(to);
+        }
+    }
+
+    // now delete the log file, so we are ready to start again
+    // even if backup creation failed - the show must go on!
+    logFileStatus = remove(logFile);*/
+}
+
+void DebugTrace::traceOut(const char* fmt, ...) {
+    if (enabled) {
+        va_list ap;            // argument list pointer
+        va_start(ap, fmt);
+
+        if (TO_SERIAL == logMode) {
+            vfprintf(logSerial, fmt, ap);
+           
+        } else { // TO_FILE
+            /*vfprintf(logSerial, fmt, ap);
+               if (0 == logFileStatus)    // otherwise we failed to remove a full log file
+               {
+                   // Write data to file. Note the file size may go over limit
+                   // as we check total size afterwards, using the size written to file.
+                   // This is not a big issue, as this mechanism is only here
+                   // to stop the file growing unchecked. Just remember log file sizes may
+                   // be some what over (as apposed to some what under), so don't push it
+                   // with the max file size.
+                   FILE* fp = fopen(logFile, "a");
+                   if (NULL == fp)
+                   {
+                       va_end(ap);
+                       return;
+                   }
+                   int size_written = vfprintf(fp, fmt, ap);
+                   fclose(fp);
+
+                   // check if we are over the max file size
+                   // if so backup file and start again
+                   currentFileSize += size_written;
+                   if (currentFileSize >= maxFileSize)
+                   {
+                       backupLog();
+                       currentFileSize = 0;
+                   }
+               }*/
+        }
+
+        va_end(ap);
+    }
+}