telemetry.h

/* 
 * File:       .h
 * Author:     Peter Thornton
 * Purpose:  
 * Created on:  
 */

// SFM addresses for telemetry meta-data, level-0
#define TM0_ADDR1 0x00
#define TM0_ADDR2 0x30
#define TM0_ADDR3 0x00
// SFM addresses for telemetry meta-data, level-1
#define TM1_ADDR1 0x00
#define TM1_ADDR2 0x40
#define TM1_ADDR3 0x00
// SFM addresses for telemetry meta-data, level-2
#define TM2_ADDR1 0x00
#define TM2_ADDR2 0x50
#define TM2_ADDR3 0x00

// telemetry control data structure
typedef struct
{
    int is_active;        // 1 = gather telemetry, 0 = don't gather telemetry
    int record_period;    // number of minutes between each telemetry record
    int rec_per_page;     // number of records per page on SFM
    int page_per_block;   // number of pages between each timestamp
    int first_sector;     // first sector on SFM to store this telemetry
    int num_sectors;      // how many sectors to use for this telemetry before wrapping
    long int record_count;// the current number of records written
    int page_count;       // the current number of pages written
    char first_timestamp[30]; // first timestamp written for this telemetry
    char last_timestamp[30];  // latest timestamp written for this telemetry
    char pagedata[256]; // the current page of telemetry data 
} telem_control_type;

// function prototypes 
void telem_form_beacon(char *beacon_str);
void telem_lev0_read_metadata(telem_control_type* c);
void telem_lev1_read_metadata(telem_control_type* c);
void telem_lev2_read_metadata(telem_control_type* c);
void telem_gather_lev0(telem_control_type* c);
void telem_gather_lev1(telem_control_type* c);
void telem_gather_lev2(telem_control_type* c);