global.h

//This file includes variables that need to be accessed by all project files.

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

//Maximum number of measurements
#define num 10

struct measurement
{
    int ENABLED;     //Boolean indicating whether sensor is enabled or not
    char *NAME;      //Name of measurement
    char *COMMAND;   //Measurement command to send
    int MEASUREMENT; //Which measurement to use if multiple measurements are returned
    char *INTERVAL;  //Time interval to take measurements at
    time_t interval; //Same as above, but in seconds
    char *START;     //Start time which interval is measured from
    time_t start;    //Same as above, but in seconds
    char *value;     //Most recent measured value; 20 characters
    int flag;        //Flag marking measurement that needs to be taken
};

//Array to store measurement settings
struct measurement *MEAS;
//Most recent SDI-12 command response; 100 characters
char *response;
//Data settings
char *site_name;     //Name of site; 20 characters
char *data_path;     //Filepath to store data; 30 characters
//Serial port settings
char *port_name;     //Filepath to serial port; 12 characters
int baud_rate;       //Baud rate
char *serial_format; //Specifies data bits, parity, and stop bits; 3 characters
char *prepend;       //String to prepend to output; 20 characters
char *append;        //String to append to output; 20 characters
int skip;            //Number of input characters to skip
//Variables to store current time
time_t current_time;
struct tm *time_info;
//Path to store settings file.
char *settings_filepath;