DHT_TestProgram - DHT testprogram

Users » Wimpie » Code » DHT_TestProgram

Wim De Roeve / Mbed 2 deprecated DHT_TestProgram

DHT testprogram

Debug/DebugTrace.cpp@0:9ef709bfeb08, 2012-07-10 (annotated)

Committer:: Wimpie
Date:: Tue Jul 10 13:11:23 2012 +0000
Revision:: 0:9ef709bfeb08

Who changed what in which revision?

User	Revision	Line number	New contents of line
Wimpie	0:9ef709bfeb08	1	/*
Wimpie	0:9ef709bfeb08	2	* DebugTrace. Allows dumping debug messages/values to serial or
Wimpie	0:9ef709bfeb08	3	* to file.
Wimpie	0:9ef709bfeb08	4	*
Wimpie	0:9ef709bfeb08	5	* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
Wimpie	0:9ef709bfeb08	6	*
Wimpie	0:9ef709bfeb08	7	* This file is part of DebugTrace.
Wimpie	0:9ef709bfeb08	8	*
Wimpie	0:9ef709bfeb08	9	* DebugTrace is free software: you can redistribute it and/or modify
Wimpie	0:9ef709bfeb08	10	* it under the terms of the GNU General Public License as published by
Wimpie	0:9ef709bfeb08	11	* the Free Software Foundation, either version 3 of the License, or
Wimpie	0:9ef709bfeb08	12	* (at your option) any later version.
Wimpie	0:9ef709bfeb08	13	*
Wimpie	0:9ef709bfeb08	14	* DebugTrace is distributed in the hope that it will be useful,
Wimpie	0:9ef709bfeb08	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
Wimpie	0:9ef709bfeb08	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Wimpie	0:9ef709bfeb08	17	* GNU General Public License for more details.
Wimpie	0:9ef709bfeb08	18	*
Wimpie	0:9ef709bfeb08	19	* You should have received a copy of the GNU General Public License
Wimpie	0:9ef709bfeb08	20	* along with DebugTrace. If not, see <http://www.gnu.org/licenses/>.
Wimpie	0:9ef709bfeb08	21	*/
Wimpie	0:9ef709bfeb08	22
Wimpie	0:9ef709bfeb08	23	#include "DebugTrace.h"
Wimpie	0:9ef709bfeb08	24	#include <mbed.h>
Wimpie	0:9ef709bfeb08	25	#include <stdarg.h>
Wimpie	0:9ef709bfeb08	26	//#include <string.h>
Wimpie	0:9ef709bfeb08	27
Wimpie	0:9ef709bfeb08	28	Serial logSerial(USBTX, USBRX);
Wimpie	0:9ef709bfeb08	29	//LocalFileSystem local("local");
Wimpie	0:9ef709bfeb08	30
Wimpie	0:9ef709bfeb08	31	//const char* FILE_PATH = "/sd/";
Wimpie	0:9ef709bfeb08	32	//const char* EXTN = ".bak";
Wimpie	0:9ef709bfeb08	33
Wimpie	0:9ef709bfeb08	34	DebugTrace::DebugTrace(eLog on, eLogTarget mode)://, const char* fileName, int maxSize) :
Wimpie	0:9ef709bfeb08	35	enabled(on), logMode(mode) { //, maxFileSize(maxSize), currentFileSize(0), logFileStatus(0)
Wimpie	0:9ef709bfeb08	36	/*
Wimpie	0:9ef709bfeb08	37	// allocate memory for file name strings
Wimpie	0:9ef709bfeb08	38	int str_size = (strlen(fileName) + strlen(FILE_PATH) + strlen(EXTN) + 1) * sizeof(char);
Wimpie	0:9ef709bfeb08	39	logFile = (char*)malloc(str_size);
Wimpie	0:9ef709bfeb08	40	logFileBackup = (char*)malloc(str_size);
Wimpie	0:9ef709bfeb08	41
Wimpie	0:9ef709bfeb08	42	// add path to log file name
Wimpie	0:9ef709bfeb08	43	strcpy(logFile, FILE_PATH);
Wimpie	0:9ef709bfeb08	44	strcat(logFile, fileName);
Wimpie	0:9ef709bfeb08	45
Wimpie	0:9ef709bfeb08	46	// create backup file name
Wimpie	0:9ef709bfeb08	47	strcpy(logFileBackup, logFile);
Wimpie	0:9ef709bfeb08	48	strcpy(logFileBackup, strtok(logFileBackup, "."));
Wimpie	0:9ef709bfeb08	49	strcat(logFileBackup, EXTN);*/
Wimpie	0:9ef709bfeb08	50	// logSerial.baud(115200);
Wimpie	0:9ef709bfeb08	51	}
Wimpie	0:9ef709bfeb08	52
Wimpie	0:9ef709bfeb08	53
Wimpie	0:9ef709bfeb08	54	DebugTrace::~DebugTrace() {
Wimpie	0:9ef709bfeb08	55	// dust to dust, ashes to ashes
Wimpie	0:9ef709bfeb08	56	/*if (logFile != NULL) free(logFile);
Wimpie	0:9ef709bfeb08	57	if (logFileBackup != NULL) free(logFileBackup);*/
Wimpie	0:9ef709bfeb08	58	}
Wimpie	0:9ef709bfeb08	59
Wimpie	0:9ef709bfeb08	60	void DebugTrace::clear() {
Wimpie	0:9ef709bfeb08	61	// don't care about whether these fail
Wimpie	0:9ef709bfeb08	62	/*remove(logFile);
Wimpie	0:9ef709bfeb08	63	remove(logFileBackup);*/
Wimpie	0:9ef709bfeb08	64	}
Wimpie	0:9ef709bfeb08	65
Wimpie	0:9ef709bfeb08	66	void DebugTrace::backupLog() {
Wimpie	0:9ef709bfeb08	67	// delete previous backup file
Wimpie	0:9ef709bfeb08	68	/*if (remove(logFileBackup))
Wimpie	0:9ef709bfeb08	69	{
Wimpie	0:9ef709bfeb08	70	// standard copy stuff
Wimpie	0:9ef709bfeb08	71	char ch;
Wimpie	0:9ef709bfeb08	72	FILE* to = fopen(logFileBackup, "wb");
Wimpie	0:9ef709bfeb08	73	if (NULL != to)
Wimpie	0:9ef709bfeb08	74	{
Wimpie	0:9ef709bfeb08	75	FILE* from = fopen(logFile, "rb");
Wimpie	0:9ef709bfeb08	76	if (NULL != from)
Wimpie	0:9ef709bfeb08	77	{
Wimpie	0:9ef709bfeb08	78	while(!feof(from))
Wimpie	0:9ef709bfeb08	79	{
Wimpie	0:9ef709bfeb08	80	ch = fgetc(from);
Wimpie	0:9ef709bfeb08	81	if (ferror(from)) break;
Wimpie	0:9ef709bfeb08	82
Wimpie	0:9ef709bfeb08	83	if(!feof(from)) fputc(ch, to);
Wimpie	0:9ef709bfeb08	84	if (ferror(to)) break;
Wimpie	0:9ef709bfeb08	85	}
Wimpie	0:9ef709bfeb08	86	}
Wimpie	0:9ef709bfeb08	87
Wimpie	0:9ef709bfeb08	88	if (NULL != from) fclose(from);
Wimpie	0:9ef709bfeb08	89	if (NULL != to) fclose(to);
Wimpie	0:9ef709bfeb08	90	}
Wimpie	0:9ef709bfeb08	91	}
Wimpie	0:9ef709bfeb08	92
Wimpie	0:9ef709bfeb08	93	// now delete the log file, so we are ready to start again
Wimpie	0:9ef709bfeb08	94	// even if backup creation failed - the show must go on!
Wimpie	0:9ef709bfeb08	95	logFileStatus = remove(logFile);*/
Wimpie	0:9ef709bfeb08	96	}
Wimpie	0:9ef709bfeb08	97
Wimpie	0:9ef709bfeb08	98	void DebugTrace::traceOut(const char* fmt, ...) {
Wimpie	0:9ef709bfeb08	99	if (enabled) {
Wimpie	0:9ef709bfeb08	100	va_list ap; // argument list pointer
Wimpie	0:9ef709bfeb08	101	va_start(ap, fmt);
Wimpie	0:9ef709bfeb08	102
Wimpie	0:9ef709bfeb08	103	if (TO_SERIAL == logMode) {
Wimpie	0:9ef709bfeb08	104	vfprintf(logSerial, fmt, ap);
Wimpie	0:9ef709bfeb08	105
Wimpie	0:9ef709bfeb08	106	} else { // TO_FILE
Wimpie	0:9ef709bfeb08	107	/*vfprintf(logSerial, fmt, ap);
Wimpie	0:9ef709bfeb08	108	if (0 == logFileStatus) // otherwise we failed to remove a full log file
Wimpie	0:9ef709bfeb08	109	{
Wimpie	0:9ef709bfeb08	110	// Write data to file. Note the file size may go over limit
Wimpie	0:9ef709bfeb08	111	// as we check total size afterwards, using the size written to file.
Wimpie	0:9ef709bfeb08	112	// This is not a big issue, as this mechanism is only here
Wimpie	0:9ef709bfeb08	113	// to stop the file growing unchecked. Just remember log file sizes may
Wimpie	0:9ef709bfeb08	114	// be some what over (as apposed to some what under), so don't push it
Wimpie	0:9ef709bfeb08	115	// with the max file size.
Wimpie	0:9ef709bfeb08	116	FILE* fp = fopen(logFile, "a");
Wimpie	0:9ef709bfeb08	117	if (NULL == fp)
Wimpie	0:9ef709bfeb08	118	{
Wimpie	0:9ef709bfeb08	119	va_end(ap);
Wimpie	0:9ef709bfeb08	120	return;
Wimpie	0:9ef709bfeb08	121	}
Wimpie	0:9ef709bfeb08	122	int size_written = vfprintf(fp, fmt, ap);
Wimpie	0:9ef709bfeb08	123	fclose(fp);
Wimpie	0:9ef709bfeb08	124
Wimpie	0:9ef709bfeb08	125	// check if we are over the max file size
Wimpie	0:9ef709bfeb08	126	// if so backup file and start again
Wimpie	0:9ef709bfeb08	127	currentFileSize += size_written;
Wimpie	0:9ef709bfeb08	128	if (currentFileSize >= maxFileSize)
Wimpie	0:9ef709bfeb08	129	{
Wimpie	0:9ef709bfeb08	130	backupLog();
Wimpie	0:9ef709bfeb08	131	currentFileSize = 0;
Wimpie	0:9ef709bfeb08	132	}
Wimpie	0:9ef709bfeb08	133	}*/
Wimpie	0:9ef709bfeb08	134	}
Wimpie	0:9ef709bfeb08	135
Wimpie	0:9ef709bfeb08	136	va_end(ap);
Wimpie	0:9ef709bfeb08	137	}
Wimpie	0:9ef709bfeb08	138	}

Repository toolbox

Export to desktop IDE

Build repository

Repository details

Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	10 Jul 2012
Imports:	656
Forks:	1
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	10

Debug/DebugTrace.cpp@0:9ef709bfeb08, 2012-07-10 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning