/*********************************************************************************
 *      Copyright:  (C) 2023 LingYun IoT System Studio.
 *                  All rights reserved.
 *
 *       Filename:  at-esp32.h
 *    Description:  This file is ESP32 AT command low level API functions
 *                 
 *        Version:  1.0.0(11/08/23)
 *         Author:  Guo Wenxue <guowenxue@gmail.com>
 *      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
 *                 
 ********************************************************************************/

#ifndef  _AT_ESP32_H_
#define  _AT_ESP32_H_

#include "atcmd.h"

enum
{
    DISABLE = 0,    /* common disable */
    ENABLE,         /* common enable  */
};

#define MAC_LEN     18 /* 11:22:33:44:55:66 */
#define IP_LEN      16 /* 255.255.255.255 */

/*+------------------------+
 *|    Baisc AT command    |
 *+------------------------+*/

/* AT command: AT+RST */
extern int esp32_reset(comport_t *comport);

/* AT command: AT+RESTORE */
extern int esp32_restore(comport_t *comport);

/* AT command: ATE1 or ATE0 */
extern int esp32_set_echo(comport_t *comport, int enable);

/* AT command: AT+GMR */
extern int esp32_get_firmware(comport_t *comport, char *version, int size);

/* AT command: AT+SYSSTORE */
extern int esp32_set_sysstore(comport_t *comport, int enable);


/*+------------------------+
 *|    WiFi AT command     |
 *+------------------------+*/
typedef enum
{
    MODE_DISABLE=0, /* Wi-Fi RF will be disabled */
    MODE_STATION,   /* Station mode */
    MODE_SOFTAP,    /* SoftAP mode */
    MODE_WDS,       /* Wireless Distribution System: Both Station & SoftAP mode */
} workmode_t;

/* AT command: AT+CWMODE */
extern int esp32_set_wmode(comport_t *comport, workmode_t mode, int autoconn);

/* AT command: AT+CWDHCP */
extern int esp32_set_dhcp(comport_t *comport, workmode_t mode, int enable);

/* AT command: AT+CWAUTOCONN */
extern int esp32_set_autoconn(comport_t *comport, int enable);

/* AT command: AT+CIPSTAMAC/CIPAPMAC */
extern int esp32_get_macaddr(comport_t *comport, workmode_t mode, char *mac);

/* AT command: AT+CIPSTA/CIPAP */
extern int esp32_get_ipaddr(comport_t *comport, workmode_t mode, char *ip, char *gateway);

/* AT command: AT+CIPSTA/AT+CIPAP  */
extern int esp32_set_ipaddr(comport_t *comport, workmode_t mode, char *ip, char *gateway);

/* AT command: AT+CWLAP */
extern int esp32_list_ap(comport_t *comport, char *buf, int size);

/* AT command: AT+CWJAP */
extern int esp32_connect_ap(comport_t *comport, char *ssid, char *pwd);

/* AT command: AT+CWQAP */
extern int esp32_disconn_ap(comport_t *comport);

/* AT command: AT+CWSTATE? , status value:
 * - 0: ESP32 station has not started any Wi-Fi connection.
 * - 1: ESP32 station has connected to an AP, but does not get an IPv4 address yet.
 * - 2: ESP32 station has connected to an AP, and got an IPv4 address.
 * - 3: ESP32 station is in Wi-Fi connecting or reconnecting state.
 * - 4: ESP32 station is in Wi-Fi disconnected state
 */
extern int esp32_join_status(comport_t *comport, int *status, char *ssid);

/* AT command:  AT+PING */
extern int esp32_ping(comport_t *comport, char *host, int timeout);

/* AT command:  AT+CWSAP */
typedef enum
{
    MODE_OPEN,
    /* WEP not support */
    MODE_WPAPSK = 2,
    MODE_WPA2PSK,
    MODE_WPA_WPA2PSK,
} encmode_t;
extern int esp32_set_softap(comport_t *comport, char *ssid, char *pwd, int channel, encmode_t encmode);

/* AT command:  AT+CWLIF */
extern int esp32_list_client(comport_t *comport, char *buf, int size);


/*+------------------------+
 *|   Socket AT command    |
 *+------------------------+*/

/* AT command: CIPMUX */
extern int esp32_set_socket_mux(comport_t *comport, int enable);

/* AT command: AT+CIPSERVERMAXCONN */
extern int esp32_set_socket_clients(comport_t *comport, int max);

/* AT command: AT+CIPSTO, timeout unit second */
extern int esp32_set_socket_timeout(comport_t *comport, int timeout);

/* AT command: AT+CIPSERVER */
extern int esp32_set_tcp_server(comport_t *comport, int port);

/* AT command: AT+CIPSERVER */
extern int esp32_del_tcp_server(comport_t *comport, int port);

/* AT command: AT+CIPSTART */
extern int esp32_set_tcp_client(comport_t *comport, int mux, char *host, int port);

/*+------------------------+
 *|     BLE AT command     |
 *+------------------------+*/
// RFU

#endif   /* ----- #ifndef _AT_ESP32_H_  ----- */