Joseph Radford / Mbed 2 deprecated Seeed_Arch_GPRS_V2_Humidty_Alert Featured

A simple WIP that logs data from a Grove sensor, and can send and receive information over USB and SMS.

Dependencies:   DHT DS_1337 SDFileSystem USBDevice mbed

Handlers/SdHandler.h@0:2df78a4443cd, 2016-04-10 (annotated)

Committer:
Joseph Radford
Date:
Sun Apr 10 15:47:33 2016 +1000
Revision:
0:2df78a4443cd
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Joseph Radford 0:2df78a4443cd 1 #ifndef __SD_HANDLER_H__
Joseph Radford 0:2df78a4443cd 2 #define __SD_HANDLER_H__
Joseph Radford 0:2df78a4443cd 3
Joseph Radford 0:2df78a4443cd 4 #include "SDFileSystem.h"
Joseph Radford 0:2df78a4443cd 5 #include "AbstractHandler.h"
Joseph Radford 0:2df78a4443cd 6
Joseph Radford 0:2df78a4443cd 7 class CircBuff;
Joseph Radford 0:2df78a4443cd 8
Joseph Radford 0:2df78a4443cd 9 /*!
Joseph Radford 0:2df78a4443cd 10 * \brief The SdHandler class writes messages to file and handles SD card status
Joseph Radford 0:2df78a4443cd 11 *
Joseph Radford 0:2df78a4443cd 12 * A data CSV file is written with timestamps and the result from the GroveDht22.
Joseph Radford 0:2df78a4443cd 13 * A system log, not yet fully implemented, tracks system events for debugging purposes.
Joseph Radford 0:2df78a4443cd 14 */
Joseph Radford 0:2df78a4443cd 15 class SdHandler : public AbstractHandler
Joseph Radford 0:2df78a4443cd 16 {
Joseph Radford 0:2df78a4443cd 17 public:
Joseph Radford 0:2df78a4443cd 18 SdHandler(MyTimers * _timer);
Joseph Radford 0:2df78a4443cd 19 ~SdHandler();
Joseph Radford 0:2df78a4443cd 20
Joseph Radford 0:2df78a4443cd 21 void run();
Joseph Radford 0:2df78a4443cd 22
Joseph Radford 0:2df78a4443cd 23 void setRequest(int request, void *data = 0);
Joseph Radford 0:2df78a4443cd 24
Joseph Radford 0:2df78a4443cd 25 bool sdOk();
Joseph Radford 0:2df78a4443cd 26
Joseph Radford 0:2df78a4443cd 27 enum request_t {
Joseph Radford 0:2df78a4443cd 28 sdreq_SdNone, ///< to init
Joseph Radford 0:2df78a4443cd 29 sdreq_LogData, ///< Send struct containing a result and timestamp. This turns it into a line in a csv file
Joseph Radford 0:2df78a4443cd 30 sdreq_LogSystem ///< write raw string to system logging file (errors, events, etc)
Joseph Radford 0:2df78a4443cd 31 };
Joseph Radford 0:2df78a4443cd 32
Joseph Radford 0:2df78a4443cd 33 private:
Joseph Radford 0:2df78a4443cd 34 SDFileSystem * m_sdfs;
Joseph Radford 0:2df78a4443cd 35 FILE * m_data;
Joseph Radford 0:2df78a4443cd 36 FILE * m_syslog;
Joseph Radford 0:2df78a4443cd 37
Joseph Radford 0:2df78a4443cd 38 enum mode_t{
Joseph Radford 0:2df78a4443cd 39 sd_Start, ///< Set up the state machine
Joseph Radford 0:2df78a4443cd 40 sd_CheckSysLogBuffer, ///< See if any data should be written to the log file
Joseph Radford 0:2df78a4443cd 41 sd_CheckDataLogBuffer, ///< See if any data should be written to the data file
Joseph Radford 0:2df78a4443cd 42
Joseph Radford 0:2df78a4443cd 43 sd_WaitError ///< Error. wait for a while
Joseph Radford 0:2df78a4443cd 44 };
Joseph Radford 0:2df78a4443cd 45 mode_t mode;
Joseph Radford 0:2df78a4443cd 46
Joseph Radford 0:2df78a4443cd 47 request_t m_lastRequest;
Joseph Radford 0:2df78a4443cd 48
Joseph Radford 0:2df78a4443cd 49 // helpers
Joseph Radford 0:2df78a4443cd 50 void csvStart(time_t time);
Joseph Radford 0:2df78a4443cd 51 void csvData(const char * s, int len);
Joseph Radford 0:2df78a4443cd 52 void csvEnd();
Joseph Radford 0:2df78a4443cd 53 void logEvent(const char * s);
Joseph Radford 0:2df78a4443cd 54
Joseph Radford 0:2df78a4443cd 55 CircBuff *m_dataLogBuff; ///< Data waiting to be written to the data CSV file
Joseph Radford 0:2df78a4443cd 56 CircBuff *m_sysLogBuff; ///< Data waiting to be written to the system log file (not yet implemented)
Joseph Radford 0:2df78a4443cd 57 };
Joseph Radford 0:2df78a4443cd 58
Joseph Radford 0:2df78a4443cd 59 #endif // __SD_HANDLER_H__