twr_esp8266.h

#ifndef _TWR_ESP8266_H
#define _TWR_ESP8266_H
 
#include <twr_scheduler.h>
#include <twr_gpio.h>
#include <twr_uart.h>
 
 
 
#define TWR_ESP8266_TX_MAX_PACKET_SIZE 1024
 
#define TWR_ESP8266_TX_FIFO_BUFFER_SIZE TWR_ESP8266_TX_MAX_PACKET_SIZE
#define TWR_ESP8266_RX_FIFO_BUFFER_SIZE 2048
 
 
 
typedef enum
{
    TWR_ESP8266_EVENT_READY = 0,
 
    TWR_ESP8266_EVENT_ERROR = 1,
 
    TWR_ESP8266_EVENT_WIFI_CONNECT_SUCCESS = 2,
    TWR_ESP8266_EVENT_WIFI_CONNECT_ERROR = 3,
    TWR_ESP8266_EVENT_SOCKET_CONNECT_SUCCESS = 4,
    TWR_ESP8266_EVENT_SOCKET_CONNECT_ERROR = 5,
    TWR_ESP8266_EVENT_SOCKET_SEND_SUCCESS = 6,
    TWR_ESP8266_EVENT_SOCKET_SEND_ERROR = 7,
    TWR_ESP8266_EVENT_DATA_RECEIVED = 8,
    TWR_ESP8266_EVENT_AP_AVAILABILITY_RESULT = 9,
    TWR_ESP8266_EVENT_DISCONNECTED = 10
 
} twr_esp8266_event_t;
 
 
typedef struct twr_esp8266_t twr_esp8266_t;
 
typedef enum
{
    TWR_ESP8266_STATE_READY = 0,
    TWR_ESP8266_STATE_ERROR = 1,
    TWR_ESP8266_STATE_INITIALIZE = 2,
    TWR_ESP8266_STATE_IDLE = 3,
    TWR_ESP8266_STATE_RECEIVE = 4,
    TWR_ESP8266_STATE_INITIALIZE_COMMAND_SEND = 5,
    TWR_ESP8266_STATE_INITIALIZE_COMMAND_RESPONSE = 6,
    TWR_ESP8266_STATE_WIFI_CONNECT_COMMAND = 7,
    TWR_ESP8266_STATE_SOCKET_CONNECT_COMMAND = 8,
    TWR_ESP8266_STATE_SOCKET_SEND_COMMAND = 9,
    TWR_ESP8266_STATE_SOCKET_SEND_DATA = 10,
    TWR_ESP8266_STATE_WIFI_CONNECT_RESPONSE = 11,
    TWR_ESP8266_STATE_SOCKET_CONNECT_RESPONSE = 12,
    TWR_ESP8266_STATE_SOCKET_SEND_RESPONSE = 13,
    TWR_ESP8266_STATE_WIFI_CONNECT_ERROR = 14,
    TWR_ESP8266_STATE_SOCKET_CONNECT_ERROR = 15,
    TWR_ESP8266_STATE_SOCKET_SEND_ERROR = 16,
    TWR_ESP8266_STATE_SOCKET_RECEIVE = 17,
    TWR_ESP8266_STATE_DISCONNECTED = 18,
    TWR_ESP8266_STATE_SNTP_CONFIG_COMMAND = 19,
    TWR_ESP8266_STATE_SNTP_CONFIG_RESPONSE = 20,
    TWR_ESP8266_STATE_SNTP_TIME_COMMAND = 21,
    TWR_ESP8266_STATE_SNTP_TIME_RESPONSE = 22,
    TWR_ESP8266_STATE_AP_AVAILABILITY_OPT_COMMAND = 23,
    TWR_ESP8266_STATE_AP_AVAILABILITY_OPT_RESPONSE = 24,
    TWR_ESP8266_STATE_AP_AVAILABILITY_COMMAND = 25,
    TWR_ESP8266_STATE_AP_AVAILABILITY_RESPONSE = 26
 
} twr_esp8266_state_t;
 
typedef enum
{
    TWR_ESP8266_CONFIG_MODE_STATION = 0,
    TWR_ESP8266_CONFIG_MODE_AP = 1
} twr_esp8266_config_mode_t;
 
typedef struct
{
    twr_esp8266_config_mode_t mode;
    char ssid[64];
    char password[64];
    uint8_t sntp_enabled;
    int sntp_timezone;
    char sntp_server1[128];
    char sntp_server2[128];
    char sntp_server3[128];
} twr_esp8266_config;
 
struct twr_esp8266_t
{
    twr_scheduler_task_id_t _task_id;
    twr_uart_channel_t _uart_channel;
    twr_esp8266_state_t _state;
    twr_esp8266_state_t _state_after_init;
    twr_fifo_t _tx_fifo;
    twr_fifo_t _rx_fifo;
    uint8_t _tx_fifo_buffer[TWR_ESP8266_TX_FIFO_BUFFER_SIZE];
    uint8_t _rx_fifo_buffer[TWR_ESP8266_RX_FIFO_BUFFER_SIZE];
    void (*_event_handler)(twr_esp8266_t *, twr_esp8266_event_t, void *);
    void *_event_param;
    char _command[TWR_ESP8266_TX_FIFO_BUFFER_SIZE];
    char _response[TWR_ESP8266_RX_FIFO_BUFFER_SIZE];
    uint8_t _message_buffer[TWR_ESP8266_TX_MAX_PACKET_SIZE];
    size_t _message_length;
    size_t _message_part_length;
    uint8_t _init_command_index;
    uint8_t _timeout_cnt;
    twr_esp8266_config _config;
    bool _ap_available;
    int _rssi;
};
 
 
 
void twr_esp8266_init(twr_esp8266_t *self, twr_uart_channel_t uart_channel);
 
 
void twr_esp8266_set_event_handler(twr_esp8266_t *self, void (*event_handler)(twr_esp8266_t *, twr_esp8266_event_t, void *), void *event_param);
 
 
void twr_esp8266_set_station_mode(twr_esp8266_t *self, char *ssid, char *password);
 
 
void twr_esp8266_set_sntp(twr_esp8266_t *self, int timezone);
 
 
void twr_esp8266_set_sntp_with_servers(twr_esp8266_t *self, int timezone, char *sntp_server1, char *sntp_server2, char *sntp_server3);
 
 
bool twr_esp8266_is_ready(twr_esp8266_t *self);
 
 
bool twr_esp8266_connect(twr_esp8266_t *self);
 
 
bool twr_esp8266_disconnect(twr_esp8266_t *self);
 
 
bool twr_esp8266_tcp_connect(twr_esp8266_t *self, const char *host, uint16_t port);
 
 
bool twr_esp8266_udp_connect(twr_esp8266_t *self, const char *host, uint16_t port);
 
 
bool twr_esp8266_ssl_connect(twr_esp8266_t *self, const char *host, uint16_t port);
 
 
bool twr_esp8266_send_data(twr_esp8266_t *self, const void *buffer, size_t length);
 
 
uint32_t twr_esp8266_get_received_message_length(twr_esp8266_t *self);
 
 
uint32_t twr_esp8266_get_received_message_data(twr_esp8266_t *self, uint8_t *buffer, uint32_t buffer_size);
 
 
bool twr_esp8266_check_ap_availability(twr_esp8266_t *self);
 
 
void twr_esp8266_get_ap_availability(twr_esp8266_t *self, bool *available, int *rssi);
 
 
void twr_esp8266_get_ssid(twr_esp8266_t *self, char *ssid);
 
 
void twr_esp8266_set_ssid(twr_esp8266_t *self, char *ssid);
 
 
void twr_esp8266_get_password(twr_esp8266_t *self, char *password);
 
 
void twr_esp8266_set_password(twr_esp8266_t *self, char *password);
 
 
#endif // _TWR_ESP8266_H