Rob Dobson / RdGasUseMonitor

Monitor for central heating system (e.g. 2zones+hw) Supports up to 15 temp probes (DS18B20/DS18S20) 3 valve monitors Gas pulse meter recording Use stand-alone or with nodeEnergyServer See http://robdobson.com/2015/09/central-heating-monitor

Dependencies:   EthernetInterfacePlusHostname NTPClient Onewire RdWebServer SDFileSystem-RTOS mbed-rtos mbed-src

Logger.cpp@12:a52996515063, 2015-02-22 (annotated)

Committer:
Bobty
Date:
Sun Feb 22 22:08:37 2015 +0000
Revision:
12:a52996515063
Child:
20:7933076df5af
Watchdog implemented and working; Improved logging of events and data

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Bobty 12:a52996515063 1 // Log to SD
Bobty 12:a52996515063 2 // Rob Dobson, 2015
Bobty 12:a52996515063 3
Bobty 12:a52996515063 4 #include "Logger.h"
Bobty 12:a52996515063 5
Bobty 12:a52996515063 6 Logger::Logger(const char* eventLogFileName, const char* dataLogFileBase)
Bobty 12:a52996515063 7 {
Bobty 12:a52996515063 8 _eventLogFileName = eventLogFileName;
Bobty 12:a52996515063 9 _dataLogFileBase = dataLogFileBase;
Bobty 12:a52996515063 10 }
Bobty 12:a52996515063 11
Bobty 12:a52996515063 12 void Logger::LogEvent(const char* format, ...)
Bobty 12:a52996515063 13 {
Bobty 12:a52996515063 14 char timeBuf[40];
Bobty 12:a52996515063 15 time_t seconds = time(NULL);
Bobty 12:a52996515063 16 strftime(timeBuf, sizeof(timeBuf), "%Y-%m-%d\t%H:%M:%S\t", localtime(&seconds));
Bobty 12:a52996515063 17
Bobty 12:a52996515063 18 FILE* fp = fopen(_eventLogFileName, "a");
Bobty 12:a52996515063 19 if (fp == NULL)
Bobty 12:a52996515063 20 {
Bobty 12:a52996515063 21 printf ("Event Log ... Filename %s not found\r\n", _eventLogFileName);
Bobty 12:a52996515063 22 }
Bobty 12:a52996515063 23 else
Bobty 12:a52996515063 24 {
Bobty 12:a52996515063 25 fprintf(fp, timeBuf);
Bobty 12:a52996515063 26 va_list argptr;
Bobty 12:a52996515063 27 va_start(argptr, format);
Bobty 12:a52996515063 28 vfprintf(fp, format, argptr);
Bobty 12:a52996515063 29 va_end(argptr);
Bobty 12:a52996515063 30 fprintf(fp, "\r\n");
Bobty 12:a52996515063 31 fclose(fp);
Bobty 12:a52996515063 32 }
Bobty 12:a52996515063 33 }
Bobty 12:a52996515063 34
Bobty 12:a52996515063 35 // Utility function to log data
Bobty 12:a52996515063 36 void Logger::LogData(const char* format, ...)
Bobty 12:a52996515063 37 {
Bobty 12:a52996515063 38 char fileNameBuf[60];
Bobty 12:a52996515063 39 strcpy(fileNameBuf, _dataLogFileBase);
Bobty 12:a52996515063 40 time_t seconds = time(NULL);
Bobty 12:a52996515063 41 strftime(fileNameBuf+strlen(fileNameBuf), sizeof(fileNameBuf)-strlen(fileNameBuf), "Data_%Y%m%d.txt", localtime(&seconds));
Bobty 12:a52996515063 42
Bobty 12:a52996515063 43 FILE* fp = fopen(fileNameBuf, "a");
Bobty 12:a52996515063 44 if (fp == NULL)
Bobty 12:a52996515063 45 {
Bobty 12:a52996515063 46 printf ("Data Log ... Filename %s not found\r\n", _eventLogFileName);
Bobty 12:a52996515063 47 }
Bobty 12:a52996515063 48 else
Bobty 12:a52996515063 49 {
Bobty 12:a52996515063 50 va_list argptr;
Bobty 12:a52996515063 51 va_start(argptr, format);
Bobty 12:a52996515063 52 vfprintf(fp, format, argptr);
Bobty 12:a52996515063 53 va_end(argptr);
Bobty 12:a52996515063 54 fprintf(fp, "\r\n");
Bobty 12:a52996515063 55 fclose(fp);
Bobty 12:a52996515063 56 }
Bobty 12:a52996515063 57 }