Rob Dobson
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
Diff: Logger.cpp
- Revision:
- 12:a52996515063
- Child:
- 20:7933076df5af
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Logger.cpp Sun Feb 22 22:08:37 2015 +0000
@@ -0,0 +1,57 @@
+// Log to SD
+// Rob Dobson, 2015
+
+#include "Logger.h"
+
+Logger::Logger(const char* eventLogFileName, const char* dataLogFileBase)
+{
+ _eventLogFileName = eventLogFileName;
+ _dataLogFileBase = dataLogFileBase;
+}
+
+void Logger::LogEvent(const char* format, ...)
+{
+ char timeBuf[40];
+ time_t seconds = time(NULL);
+ strftime(timeBuf, sizeof(timeBuf), "%Y-%m-%d\t%H:%M:%S\t", localtime(&seconds));
+
+ FILE* fp = fopen(_eventLogFileName, "a");
+ if (fp == NULL)
+ {
+ printf ("Event Log ... Filename %s not found\r\n", _eventLogFileName);
+ }
+ else
+ {
+ fprintf(fp, timeBuf);
+ va_list argptr;
+ va_start(argptr, format);
+ vfprintf(fp, format, argptr);
+ va_end(argptr);
+ fprintf(fp, "\r\n");
+ fclose(fp);
+ }
+}
+
+// Utility function to log data
+void Logger::LogData(const char* format, ...)
+{
+ char fileNameBuf[60];
+ strcpy(fileNameBuf, _dataLogFileBase);
+ time_t seconds = time(NULL);
+ strftime(fileNameBuf+strlen(fileNameBuf), sizeof(fileNameBuf)-strlen(fileNameBuf), "Data_%Y%m%d.txt", localtime(&seconds));
+
+ FILE* fp = fopen(fileNameBuf, "a");
+ if (fp == NULL)
+ {
+ printf ("Data Log ... Filename %s not found\r\n", _eventLogFileName);
+ }
+ else
+ {
+ va_list argptr;
+ va_start(argptr, format);
+ vfprintf(fp, format, argptr);
+ va_end(argptr);
+ fprintf(fp, "\r\n");
+ fclose(fp);
+ }
+}