util.h

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#ifndef UTIL_H_
#define UTIL_H_

#include <stdint.h>

#include "types.h"

#define MAC_ADDRESS_LENGTH 6

struct time_stamp {
    int64_t sec;
    int64_t nsec;
};

int is_current(int index);
int is_low_current(int index);
int count_channels(int channels[NUM_CHANNELS]);

int read_status(struct rl_status* status);
int write_status(struct rl_status* status);

int ceil_div(int n, int d);

void sig_handler(int signo);

int read_file_value(char filename[]);

void create_time_stamp(struct time_stamp* time_real,
                       struct time_stamp* time_monotonic);
void get_mac_addr(uint8_t mac_address[MAC_ADDRESS_LENGTH]);

#endif /* UTIL_H_ */