#include <sys/types.h>

#define EOS_CELL_MTYPE_DATA         0
#define EOS_CELL_MTYPE_AUDIO        1

#define EOS_CELL_MTYPE_DATA_START   2
#define EOS_CELL_MTYPE_DATA_STOP    3

#define EOS_CELL_MTYPE_AUDIO_START  4
#define EOS_CELL_MTYPE_AUDIO_STOP   5

#define EOS_CELL_UART_MODE_NONE     0
#define EOS_CELL_UART_MODE_ATCMD    1
#define EOS_CELL_UART_MODE_PPP      2
#define EOS_CELL_UART_MODE_RELAY    3

void eos_pcm_init(void);

ssize_t eos_pcm_read(unsigned char *data, size_t size);
int eos_pcm_push(unsigned char *data, size_t size);
void eos_pcm_start(void);
void eos_pcm_stop(void);

void eos_modem_init(void);

void eos_modem_flush(void);
size_t eos_modem_write(void *data, size_t size);
size_t eos_modem_read(void *data, size_t size, uint32_t timeout);
int eos_modem_readln(char *buf, size_t buf_size, uint32_t timeout);
int eos_modem_resp(char *ok_str, char *err_str, uint32_t timeout);

uint8_t eos_modem_get_mode(void);
int eos_modem_set_mode(uint8_t mode);
int eos_modem_take(void);
void eos_modem_give(void);

void eos_modem_sleep(void);
void eos_modem_wake(void);

void eos_ppp_set_apn(char *apn);
void eos_ppp_set_auth(char *user, char *pass);

int eos_ppp_connect(void);
int eos_ppp_disconnect(void);

void eos_cell_init(void);