Helmut Deichmann / Mbed 2 deprecated Waterflow

Give water to plants if dry amd pla meanwhile music the music vou can define with note length bind and breake also select several instruments for the sound

Dependencies:   mbed

DebugTrace.cpp@0:5150b09127e3, 2012-09-19 (annotated)

Committer:
helmut
Date:
Wed Sep 19 14:16:56 2012 +0000
Revision:
0:5150b09127e3
plays mostly music that you can do with notes length breakes and bind; Some already defined; Tool is to start a pump for water to give plant is too dry.; Meanwhie plays music the most part of all

Who changed what in which revision?

UserRevisionLine numberNew contents of line
helmut 0:5150b09127e3 1 /*
helmut 0:5150b09127e3 2 * DebugTrace. Allows dumping debug messages/values to serial or
helmut 0:5150b09127e3 3 * to file.
helmut 0:5150b09127e3 4 *
helmut 0:5150b09127e3 5 * Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
helmut 0:5150b09127e3 6 *
helmut 0:5150b09127e3 7 * This file is part of DebugTrace.
helmut 0:5150b09127e3 8 *
helmut 0:5150b09127e3 9 * DebugTrace is free software: you can redistribute it and/or modify
helmut 0:5150b09127e3 10 * it under the terms of the GNU General Public License as published by
helmut 0:5150b09127e3 11 * the Free Software Foundation, either version 3 of the License, or
helmut 0:5150b09127e3 12 * (at your option) any later version.
helmut 0:5150b09127e3 13 *
helmut 0:5150b09127e3 14 * DebugTrace is distributed in the hope that it will be useful,
helmut 0:5150b09127e3 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
helmut 0:5150b09127e3 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
helmut 0:5150b09127e3 17 * GNU General Public License for more details.
helmut 0:5150b09127e3 18 *
helmut 0:5150b09127e3 19 * You should have received a copy of the GNU General Public License
helmut 0:5150b09127e3 20 * along with DebugTrace. If not, see <http://www.gnu.org/licenses/>.
helmut 0:5150b09127e3 21 */
helmut 0:5150b09127e3 22
helmut 0:5150b09127e3 23 #include "DebugTrace.h"
helmut 0:5150b09127e3 24 #include <mbed.h>
helmut 0:5150b09127e3 25 #include <stdarg.h>
helmut 0:5150b09127e3 26 #include <string.h>
helmut 0:5150b09127e3 27
helmut 0:5150b09127e3 28 Serial logSerial(USBTX, USBRX);
helmut 0:5150b09127e3 29 LocalFileSystem local("local");
helmut 0:5150b09127e3 30
helmut 0:5150b09127e3 31 const char* FILE_PATH = "/local/";
helmut 0:5150b09127e3 32 const char* EXTN = ".bak";
helmut 0:5150b09127e3 33
helmut 0:5150b09127e3 34 DebugTrace::DebugTrace(eLog on, eLogTarget mode, const char* fileName, int maxSize) :
helmut 0:5150b09127e3 35 enabled(on), logMode(mode), maxFileSize(maxSize), currentFileSize(0),
helmut 0:5150b09127e3 36 logFileStatus(0)
helmut 0:5150b09127e3 37 {
helmut 0:5150b09127e3 38 // allocate memory for file name strings
helmut 0:5150b09127e3 39 int str_size = (strlen(fileName) + strlen(FILE_PATH) + strlen(EXTN) + 1) * sizeof(char);
helmut 0:5150b09127e3 40 logFile = (char*)malloc(str_size);
helmut 0:5150b09127e3 41 logFileBackup = (char*)malloc(str_size);
helmut 0:5150b09127e3 42
helmut 0:5150b09127e3 43 // add path to log file name
helmut 0:5150b09127e3 44 strcpy(logFile, FILE_PATH);
helmut 0:5150b09127e3 45 strcat(logFile, fileName);
helmut 0:5150b09127e3 46
helmut 0:5150b09127e3 47 // create backup file name
helmut 0:5150b09127e3 48 strcpy(logFileBackup, logFile);
helmut 0:5150b09127e3 49 strcpy(logFileBackup, strtok(logFileBackup, "."));
helmut 0:5150b09127e3 50 strcat(logFileBackup, EXTN);
helmut 0:5150b09127e3 51 }
helmut 0:5150b09127e3 52
helmut 0:5150b09127e3 53 DebugTrace::~DebugTrace()
helmut 0:5150b09127e3 54 {
helmut 0:5150b09127e3 55 // dust to dust, ashes to ashes
helmut 0:5150b09127e3 56 if (logFile != NULL) free(logFile);
helmut 0:5150b09127e3 57 if (logFileBackup != NULL) free(logFileBackup);
helmut 0:5150b09127e3 58 }
helmut 0:5150b09127e3 59
helmut 0:5150b09127e3 60 void DebugTrace::clear()
helmut 0:5150b09127e3 61 {
helmut 0:5150b09127e3 62 // don't care about whether these fail
helmut 0:5150b09127e3 63 remove(logFile);
helmut 0:5150b09127e3 64 remove(logFileBackup);
helmut 0:5150b09127e3 65 }
helmut 0:5150b09127e3 66
helmut 0:5150b09127e3 67 void DebugTrace::backupLog()
helmut 0:5150b09127e3 68 {
helmut 0:5150b09127e3 69 // delete previous backup file
helmut 0:5150b09127e3 70 if (remove(logFileBackup))
helmut 0:5150b09127e3 71 {
helmut 0:5150b09127e3 72 // standard copy stuff
helmut 0:5150b09127e3 73 char ch;
helmut 0:5150b09127e3 74 FILE* to = fopen(logFileBackup, "wb");
helmut 0:5150b09127e3 75 if (NULL != to)
helmut 0:5150b09127e3 76 {
helmut 0:5150b09127e3 77 FILE* from = fopen(logFile, "rb");
helmut 0:5150b09127e3 78 if (NULL != from)
helmut 0:5150b09127e3 79 {
helmut 0:5150b09127e3 80 while(!feof(from))
helmut 0:5150b09127e3 81 {
helmut 0:5150b09127e3 82 ch = fgetc(from);
helmut 0:5150b09127e3 83 if (ferror(from)) break;
helmut 0:5150b09127e3 84
helmut 0:5150b09127e3 85 if(!feof(from)) fputc(ch, to);
helmut 0:5150b09127e3 86 if (ferror(to)) break;
helmut 0:5150b09127e3 87 }
helmut 0:5150b09127e3 88 }
helmut 0:5150b09127e3 89
helmut 0:5150b09127e3 90 if (NULL != from) fclose(from);
helmut 0:5150b09127e3 91 if (NULL != to) fclose(to);
helmut 0:5150b09127e3 92 }
helmut 0:5150b09127e3 93 }
helmut 0:5150b09127e3 94
helmut 0:5150b09127e3 95 // now delete the log file, so we are ready to start again
helmut 0:5150b09127e3 96 // even if backup creation failed - the show must go on!
helmut 0:5150b09127e3 97 logFileStatus = remove(logFile);
helmut 0:5150b09127e3 98 }
helmut 0:5150b09127e3 99
helmut 0:5150b09127e3 100 void DebugTrace::traceOut(const char* fmt, ...)
helmut 0:5150b09127e3 101 {
helmut 0:5150b09127e3 102 if (enabled)
helmut 0:5150b09127e3 103 {
helmut 0:5150b09127e3 104 va_list ap; // argument list pointer
helmut 0:5150b09127e3 105 va_start(ap, fmt);
helmut 0:5150b09127e3 106
helmut 0:5150b09127e3 107 if (TO_SERIAL == logMode)
helmut 0:5150b09127e3 108 {
helmut 0:5150b09127e3 109 vfprintf(logSerial, fmt, ap);
helmut 0:5150b09127e3 110 }
helmut 0:5150b09127e3 111 else // TO_FILE
helmut 0:5150b09127e3 112 {
helmut 0:5150b09127e3 113 if (0 == logFileStatus) // otherwise we failed to remove a full log file
helmut 0:5150b09127e3 114 {
helmut 0:5150b09127e3 115 // Write data to file. Note the file size may go over limit
helmut 0:5150b09127e3 116 // as we check total size afterwards, using the size written to file.
helmut 0:5150b09127e3 117 // This is not a big issue, as this mechanism is only here
helmut 0:5150b09127e3 118 // to stop the file growing unchecked. Just remember log file sizes may
helmut 0:5150b09127e3 119 // be some what over (as apposed to some what under), so don't push it
helmut 0:5150b09127e3 120 // with the max file size.
helmut 0:5150b09127e3 121 FILE* fp = fopen(logFile, "a");
helmut 0:5150b09127e3 122 if (NULL == fp)
helmut 0:5150b09127e3 123 {
helmut 0:5150b09127e3 124 va_end(ap);
helmut 0:5150b09127e3 125 return;
helmut 0:5150b09127e3 126 }
helmut 0:5150b09127e3 127 int size_written = vfprintf(fp, fmt, ap);
helmut 0:5150b09127e3 128 fclose(fp);
helmut 0:5150b09127e3 129
helmut 0:5150b09127e3 130 // check if we are over the max file size
helmut 0:5150b09127e3 131 // if so backup file and start again
helmut 0:5150b09127e3 132 currentFileSize += size_written;
helmut 0:5150b09127e3 133 if (currentFileSize >= maxFileSize)
helmut 0:5150b09127e3 134 {
helmut 0:5150b09127e3 135 backupLog();
helmut 0:5150b09127e3 136 currentFileSize = 0;
helmut 0:5150b09127e3 137 }
helmut 0:5150b09127e3 138 }
helmut 0:5150b09127e3 139 }
helmut 0:5150b09127e3 140
helmut 0:5150b09127e3 141 va_end(ap);
helmut 0:5150b09127e3 142 }
helmut 0:5150b09127e3 143 }