Upgraded MIGRATION document.
#ifndef MY_DEVICES_H
#define MY_DEVICES_H
int read_w1(char *address, char *file);
int write_w1(char *address, char *file, uint8_t val);
int device_out(char *uuid, int value);
int device_in(char *uuid, int *value);
int devices_detect(void);
void *my_devices_loop(void *);
#endif