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#include <sys/types.h>
#include <stdint.h>
#define EOS_CELL_MTYPE_DEV 0x00
#define EOS_CELL_MTYPE_VOICE 0x10
#define EOS_CELL_MTYPE_SMS 0x20
#define EOS_CELL_MTYPE_CBS 0x30
#define EOS_CELL_MTYPE_USSD 0x40
#define EOS_CELL_MTYPE_DATA 0x70
#define EOS_CELL_MTYPE_MASK 0xf0
#define EOS_CELL_MAX_MTYPE 8
#define EOS_CELL_MTYPE_READY 0
#define EOS_CELL_MTYPE_UART_DATA 1
#define EOS_CELL_MTYPE_UART_TAKE 2
#define EOS_CELL_MTYPE_UART_GIVE 3
#define EOS_CELL_MTYPE_PCM_DATA 4
#define EOS_CELL_MTYPE_PCM_START 5
#define EOS_CELL_MTYPE_PCM_STOP 6
#define EOS_CELL_MTYPE_VOICE_DIAL 1
#define EOS_CELL_MTYPE_VOICE_RING 2
#define EOS_CELL_MTYPE_VOICE_ANSWER 3
#define EOS_CELL_MTYPE_VOICE_HANGUP 4
#define EOS_CELL_MTYPE_VOICE_BEGIN 5
#define EOS_CELL_MTYPE_VOICE_END 6
#define EOS_CELL_MTYPE_USSD_REQUEST 1
#define EOS_CELL_MTYPE_USSD_REPLY 2
#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
#define EOS_CELL_UART_SIZE_BUF 128
void eos_cell_init(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(uint32_t timeout);
void eos_modem_give(void);
void eos_modem_sleep(uint8_t mode);
void eos_modem_wake(uint8_t source, uint8_t mode);
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_pcm_init(void);
ssize_t eos_cell_pcm_read(unsigned char *data, size_t size);
int eos_cell_pcm_push(unsigned char *data, size_t size);
void eos_cell_pcm_start(void);
void eos_cell_pcm_stop(void);
void eos_cell_voice_handler(unsigned char mtype, unsigned char *buffer, uint16_t size);
void eos_cell_sms_handler(unsigned char mtype, unsigned char *buffer, uint16_t size);
void eos_cell_ussd_handler(unsigned char mtype, unsigned char *buffer, uint16_t size);
void eos_cell_data_handler(unsigned char mtype, unsigned char *buffer, uint16_t size);
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