#ifndef OPERATION_H
#define OPERATION_H
#include "modem_types.h"
#include "ttydevice.h"
#include "utils.h"
int str_to_hex(char *str, char *hex);
int tty_open_device(PROFILE_T *profile, FDS_T *fds);
int tty_read(FILE *fdi, AT_MESSAGE_T *message, PROFILE_T *profile);
int tty_read_keyword(FILE *fdi, AT_MESSAGE_T *message, char *key_word, PROFILE_T *profile);
int tty_write_raw(FILE *fdo, char *input);
int tty_write(FILE *fdo, char *input);
#endif