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webguiapp/src/WiFiTransport.c

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/* Copyright 2022 Bogdan Pilyugin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* File name: WiFiTransport.c
* Project: ChargePointMainboard
* Created on: 2022-07-21
* Author: Bogdan Pilyugin
* Description:
*/
#include <WebGUIAppMain.h>
#include "esp_log.h"
#include "Helpers.h"
#include "esp_system.h"
#include "esp_wifi.h"
#include "esp_event.h"
#include "esp_log.h"
#include "nvs_flash.h"
#include "lwip/err.h"
#include "lwip/sys.h"
#include "NetTransport.h"
esp_netif_t *sta_netif;
esp_netif_t *ap_netif;
static const char *TAG = "WiFiTransport";
#define EXAMPLE_ESP_MAXIMUM_RETRY 5
#define EXAMPLE_ESP_WIFI_CHANNEL 6
#define EXAMPLE_MAX_STA_CONN 10
static EventGroupHandle_t s_wifi_event_group;
#define WIFI_CONNECTED_BIT BIT0
#define WIFI_FAIL_BIT BIT1
static bool isWiFiGotIp = false;
#define DEFAULT_SCAN_LIST_SIZE 20
static wifi_ap_record_t ap_info[DEFAULT_SCAN_LIST_SIZE];
static bool isScanReady = false;
wifi_ap_record_t* GetWiFiAPRecord(uint8_t n)
{
if (n < DEFAULT_SCAN_LIST_SIZE)
{
return &ap_info[n];
}
return NULL;
}
esp_netif_t* GetSTANetifAdapter(void)
{
return sta_netif;
}
esp_netif_t* GetAPNetifAdapter(void)
{
return ap_netif;
}
bool isWIFIConnected(void)
{
return isWiFiGotIp;
}
static void event_handler(void *arg, esp_event_base_t event_base,
int32_t event_id,
void *event_data)
{
if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START)
{
ESP_LOGI(TAG, "WiFi STA started, connecting to AP...");
esp_wifi_connect();
}
else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_STOP)
{
isWiFiGotIp = false;
ESP_LOGI(TAG, "WiFi STA stopped");
}
else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_CONNECTED)
{
ESP_LOGI(TAG, "Connected to AP");
}
else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED)
{
isWiFiGotIp = false;
esp_wifi_connect();
ESP_LOGI(TAG, "Disconnected from AP, try reconnect...");
}
else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP)
{
ip_event_got_ip_t *event = (ip_event_got_ip_t*) event_data;
const esp_netif_ip_info_t *ip_info = &event->ip_info;
ESP_LOGI(TAG, "got ip:" IPSTR, IP2STR(&event->ip_info.ip));
memcpy(&GetSysConf()->wifiSettings.InfIPAddr, &event->ip_info.ip, sizeof(event->ip_info.ip));
memcpy(&GetSysConf()->wifiSettings.InfMask, &event->ip_info.netmask, sizeof(event->ip_info.netmask));
memcpy(&GetSysConf()->wifiSettings.InfGateway, &event->ip_info.gw, sizeof(event->ip_info.gw));
ESP_LOGI(TAG, "WIFI Got IP Address");
ESP_LOGI(TAG, "~~~~~~~~~~~");
ESP_LOGI(TAG, "WIFIIP:" IPSTR, IP2STR(&ip_info->ip));
ESP_LOGI(TAG, "WIFIMASK:" IPSTR, IP2STR(&ip_info->netmask));
ESP_LOGI(TAG, "WIFIGW:" IPSTR, IP2STR(&ip_info->gw));
ESP_LOGI(TAG, "~~~~~~~~~~~");
isWiFiGotIp = true;
xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
}
if (event_id == WIFI_EVENT_AP_STACONNECTED)
{
wifi_event_ap_staconnected_t *event = (wifi_event_ap_staconnected_t*) event_data;
ESP_LOGI(TAG, "station "MACSTR" join, AID=%d", MAC2STR(event->mac), event->aid);
}
else if (event_id == WIFI_EVENT_AP_STADISCONNECTED)
{
wifi_event_ap_stadisconnected_t *event = (wifi_event_ap_stadisconnected_t*) event_data;
ESP_LOGI(TAG, "station "MACSTR" leave, AID=%d", MAC2STR(event->mac), event->aid);
}
}
/*
static void wifi_init_softap(void *pvParameter)
{
char if_key_str[24];
esp_netif_inherent_config_t esp_netif_conf = ESP_NETIF_INHERENT_DEFAULT_WIFI_AP()
;
strcpy(if_key_str, "WIFI_AP_USER");
esp_netif_conf.if_key = if_key_str;
esp_netif_conf.route_prio = AP_PRIO;
esp_netif_config_t cfg_netif = {
.base = &esp_netif_conf,
.stack = ESP_NETIF_NETSTACK_DEFAULT_WIFI_AP
};
ap_netif = esp_netif_new(&cfg_netif);
assert(ap_netif);
esp_netif_ip_info_t ip_info;
memcpy(&ip_info.ip, &GetSysConf()->wifiSettings.ApIPAddr, 4);
memcpy(&ip_info.gw, &GetSysConf()->wifiSettings.ApIPAddr, 4);
memcpy(&ip_info.netmask, &GetSysConf()->wifiSettings.InfMask, 4);
esp_netif_dns_info_t dns_info;
memcpy(&dns_info, &GetSysConf()->wifiSettings.ApIPAddr, 4);
esp_netif_dhcps_stop(ap_netif);
esp_netif_set_ip_info(ap_netif, &ip_info);
esp_netif_set_dns_info(ap_netif, ESP_NETIF_DNS_MAIN, &dns_info);
esp_netif_dhcps_start(ap_netif);
esp_netif_attach_wifi_ap(ap_netif);
esp_wifi_set_default_wifi_ap_handlers();
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT()
;
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
ESP_EVENT_ANY_ID,
&event_handler,
NULL,
NULL));
wifi_config_t wifi_config = {
.ap = {
.channel = EXAMPLE_ESP_WIFI_CHANNEL,
.max_connection = EXAMPLE_MAX_STA_CONN,
.authmode = WIFI_AUTH_WPA_WPA2_PSK
},
};
if (strlen(CONFIG_WEBGUIAPP_WIFI_KEY_AP) == 0)
{
wifi_config.ap.authmode = WIFI_AUTH_OPEN;
}
memcpy(wifi_config.ap.ssid, GetSysConf()->wifiSettings.ApSSID, strlen(GetSysConf()->wifiSettings.ApSSID));
memcpy(wifi_config.ap.password, GetSysConf()->wifiSettings.ApSecurityKey,
strlen(GetSysConf()->wifiSettings.ApSecurityKey));
wifi_config.ap.ssid_len = strlen(GetSysConf()->wifiSettings.ApSSID);
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_AP, &wifi_config));
ESP_ERROR_CHECK(esp_wifi_start());
ESP_LOGI(TAG, "wifi_init_softap finished");
vTaskDelete(NULL);
}
*/
static void wifi_init_sta(void *pvParameter)
{
s_wifi_event_group = xEventGroupCreate();
//sta_netif = esp_netif_create_default_wifi_sta();
char if_key_str[24];
esp_netif_inherent_config_t esp_netif_conf = ESP_NETIF_INHERENT_DEFAULT_WIFI_STA();
strcpy(if_key_str, "WIFI_STA_USER");
esp_netif_conf.if_key = if_key_str;
esp_netif_conf.route_prio = STA_PRIO;
esp_netif_config_t cfg_netif = {
.base = &esp_netif_conf,
.stack = ESP_NETIF_NETSTACK_DEFAULT_WIFI_STA
};
sta_netif = esp_netif_new(&cfg_netif);
assert(sta_netif);
esp_netif_ip_info_t ip_info;
memcpy(&ip_info.ip, &GetSysConf()->wifiSettings.InfIPAddr, 4);
memcpy(&ip_info.gw, &GetSysConf()->wifiSettings.InfGateway, 4);
memcpy(&ip_info.netmask, &GetSysConf()->wifiSettings.InfMask, 4);
esp_netif_dns_info_t dns_info;
memcpy(&dns_info, &GetSysConf()->wifiSettings.DNSAddr1, 4);
esp_netif_dhcpc_stop(sta_netif);
esp_netif_set_ip_info(sta_netif, &ip_info);
esp_netif_set_dns_info(sta_netif, ESP_NETIF_DNS_MAIN, &dns_info);
//esp_netif_str_to_ip4(&GetSysConf()->wifiSettings.DNSAddr3, (esp_ip4_addr_t*)(&dns_info.ip));
memcpy(&dns_info.ip, &GetSysConf()->wifiSettings.DNSAddr3, sizeof(esp_ip4_addr_t));
esp_netif_set_dns_info(sta_netif, ESP_NETIF_DNS_FALLBACK, &dns_info);
if (GetSysConf()->wifiSettings.Flags1.bIsDHCPEnabled)
esp_netif_dhcpc_start(sta_netif);
esp_netif_attach_wifi_station(sta_netif);
esp_wifi_set_default_wifi_sta_handlers();
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT()
;
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
esp_event_handler_instance_t instance_any_id;
esp_event_handler_instance_t instance_got_ip;
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
ESP_EVENT_ANY_ID,
&event_handler,
NULL,
&instance_any_id));
ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
IP_EVENT_STA_GOT_IP,
&event_handler,
NULL,
&instance_got_ip));
wifi_config_t wifi_config = {
.sta = {
/* Setting a password implies station will connect to all security modes including WEP/WPA.
* However these modes are deprecated and not advisable to be used. Incase your Access point
* doesn't support WPA2, these mode can be enabled by commenting below line */
.threshold.authmode = WIFI_AUTH_WPA2_PSK,
.pmf_cfg = {
.capable = true,
.required = false
},
},
};
memcpy(wifi_config.sta.ssid, GetSysConf()->wifiSettings.InfSSID, strlen(GetSysConf()->wifiSettings.InfSSID));
memcpy(wifi_config.sta.password, GetSysConf()->wifiSettings.InfSecurityKey,
strlen(GetSysConf()->wifiSettings.InfSecurityKey));
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config));
ESP_ERROR_CHECK(esp_wifi_start());
ESP_LOGI(TAG, "wifi_init_sta finished.");
/* Waiting until either the connection is established (WIFI_CONNECTED_BIT) or connection failed for the maximum
* number of re-tries (WIFI_FAIL_BIT). The bits are set by event_handler() (see above) */
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
pdFALSE,
pdFALSE,
portMAX_DELAY);
/* xEventGroupWaitBits() returns the bits before the call returned, hence we can test which event actually
* happened. */
/*
if (bits & WIFI_CONNECTED_BIT)
{
ESP_LOGI(TAG, "connected to ap SSID:%s password:%s",
GetSysConf()->wifiSettings.InfSSID,
GetSysConf()->wifiSettings.InfSecurityKey);
}
else if (bits & WIFI_FAIL_BIT)
{
ESP_LOGI(TAG, "Failed to connect to SSID:%s, password:%s",
GetSysConf()->wifiSettings.InfSSID,
GetSysConf()->wifiSettings.InfSecurityKey);
}
else
{
ESP_LOGE(TAG, "UNEXPECTED EVENT");
}
*/
/* The event will not be processed after unregister */
// ESP_ERROR_CHECK(esp_event_handler_instance_unregister(IP_EVENT, IP_EVENT_STA_GOT_IP, instance_got_ip));
// ESP_ERROR_CHECK(esp_event_handler_instance_unregister( WIFI_EVENT, ESP_EVENT_ANY_ID, instance_any_id));
// vEventGroupDelete(s_wifi_event_group);
vTaskDelete(NULL);
}
static void wifi_init_apsta(void *pvParameter)
{
s_wifi_event_group = xEventGroupCreate();
//BEGIN AP MODE IF
char ap_if_key_str[24];
esp_netif_inherent_config_t ap_esp_netif_conf = ESP_NETIF_INHERENT_DEFAULT_WIFI_AP()
;
strcpy(ap_if_key_str, "WIFI_AP_USER");
ap_esp_netif_conf.if_key = ap_if_key_str;
ap_esp_netif_conf.route_prio = AP_PRIO;
esp_netif_config_t cfg_netif = {
.base = &ap_esp_netif_conf,
.stack = ESP_NETIF_NETSTACK_DEFAULT_WIFI_AP
};
ap_netif = esp_netif_new(&cfg_netif);
assert(ap_netif);
//END AP MODE IF
//BEGIN STA MODE IF
char sta_if_key_str[24];
esp_netif_inherent_config_t staesp_netif_conf = ESP_NETIF_INHERENT_DEFAULT_WIFI_STA();
strcpy(sta_if_key_str, "WIFI_STA_USER");
staesp_netif_conf.if_key = sta_if_key_str;
staesp_netif_conf.route_prio = STA_PRIO;
esp_netif_config_t sta_cfg_netif = {
.base = &staesp_netif_conf,
.stack = ESP_NETIF_NETSTACK_DEFAULT_WIFI_STA
};
sta_netif = esp_netif_new(&sta_cfg_netif);
assert(sta_netif);
//END STA MODE IF
//BEGIN AP MODE CONFIGURATION
esp_netif_ip_info_t ip_info;
memcpy(&ip_info.ip, &GetSysConf()->wifiSettings.ApIPAddr, 4);
memcpy(&ip_info.gw, &GetSysConf()->wifiSettings.ApIPAddr, 4);
memcpy(&ip_info.netmask, &GetSysConf()->wifiSettings.InfMask, 4);
esp_netif_dns_info_t dns_info;
memcpy(&dns_info, &GetSysConf()->wifiSettings.ApIPAddr, 4);
esp_netif_dhcps_stop(ap_netif);
esp_netif_set_ip_info(ap_netif, &ip_info);
esp_netif_set_dns_info(ap_netif, ESP_NETIF_DNS_MAIN, &dns_info);
esp_netif_dhcps_start(ap_netif);
esp_netif_attach_wifi_ap(ap_netif);
esp_wifi_set_default_wifi_ap_handlers();
wifi_init_config_t ap_cfg = WIFI_INIT_CONFIG_DEFAULT()
;
ESP_ERROR_CHECK(esp_wifi_init(&ap_cfg));
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
ESP_EVENT_ANY_ID,
&event_handler,
NULL,
NULL));
wifi_config_t ap_wifi_config = {
.ap = {
.channel = EXAMPLE_ESP_WIFI_CHANNEL,
.max_connection = EXAMPLE_MAX_STA_CONN,
.authmode = WIFI_AUTH_WPA_WPA2_PSK
},
};
if (strlen(CONFIG_WEBGUIAPP_WIFI_KEY_AP) == 0)
{
ap_wifi_config.ap.authmode = WIFI_AUTH_OPEN;
}
memcpy(ap_wifi_config.ap.ssid, GetSysConf()->wifiSettings.ApSSID, strlen(GetSysConf()->wifiSettings.ApSSID));
memcpy(ap_wifi_config.ap.password, GetSysConf()->wifiSettings.ApSecurityKey,
strlen(GetSysConf()->wifiSettings.ApSecurityKey));
ap_wifi_config.ap.ssid_len = strlen(GetSysConf()->wifiSettings.ApSSID);
//END AP MODE CONFIGURATION
//BEGIN STA MODE CONFIGURATION
//esp_netif_ip_info_t ip_info;
memcpy(&ip_info.ip, &GetSysConf()->wifiSettings.InfIPAddr, 4);
memcpy(&ip_info.gw, &GetSysConf()->wifiSettings.InfGateway, 4);
memcpy(&ip_info.netmask, &GetSysConf()->wifiSettings.InfMask, 4);
esp_netif_dns_info_t sta_dns_info;
memcpy(&sta_dns_info, &GetSysConf()->wifiSettings.DNSAddr1, 4);
esp_netif_dhcpc_stop(sta_netif);
esp_netif_set_ip_info(sta_netif, &ip_info);
esp_netif_set_dns_info(sta_netif, ESP_NETIF_DNS_MAIN, &sta_dns_info);
//esp_netif_str_to_ip4(&GetSysConf()->wifiSettings.DNSAddr3, (esp_ip4_addr_t*)(&dns_info.ip));
memcpy(&sta_dns_info.ip, &GetSysConf()->wifiSettings.DNSAddr3, sizeof(esp_ip4_addr_t));
esp_netif_set_dns_info(sta_netif, ESP_NETIF_DNS_FALLBACK, &sta_dns_info);
if (GetSysConf()->wifiSettings.Flags1.bIsDHCPEnabled)
esp_netif_dhcpc_start(sta_netif);
esp_netif_attach_wifi_station(sta_netif);
esp_wifi_set_default_wifi_sta_handlers();
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT()
;
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
esp_event_handler_instance_t instance_any_id;
esp_event_handler_instance_t instance_got_ip;
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
ESP_EVENT_ANY_ID,
&event_handler,
NULL,
&instance_any_id));
ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
IP_EVENT_STA_GOT_IP,
&event_handler,
NULL,
&instance_got_ip));
wifi_config_t sta_wifi_config = {
.sta = {
/* Setting a password implies station will connect to all security modes including WEP/WPA.
* However these modes are deprecated and not advisable to be used. Incase your Access point
* doesn't support WPA2, these mode can be enabled by commenting below line */
.threshold.authmode = WIFI_AUTH_WPA2_PSK,
.pmf_cfg = {
.capable = true,
.required = false
},
},
};
memcpy(sta_wifi_config.sta.ssid, GetSysConf()->wifiSettings.InfSSID, strlen(GetSysConf()->wifiSettings.InfSSID));
memcpy(sta_wifi_config.sta.password, GetSysConf()->wifiSettings.InfSecurityKey,
strlen(GetSysConf()->wifiSettings.InfSecurityKey));
//END STA MODE CONFIGURATION
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_APSTA));
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_AP, &ap_wifi_config));
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &sta_wifi_config));
ESP_ERROR_CHECK(esp_wifi_start());
ESP_LOGI(TAG, "wifi_init_softap_sta finished");
/* Waiting until either the connection is established (WIFI_CONNECTED_BIT) or connection failed for the maximum
* number of re-tries (WIFI_FAIL_BIT). The bits are set by event_handler() (see above) */
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
pdFALSE,
pdFALSE,
portMAX_DELAY);
/* xEventGroupWaitBits() returns the bits before the call returned, hence we can test which event actually
* happened. */
/*
if (bits & WIFI_CONNECTED_BIT)
{
ESP_LOGI(TAG, "connected to ap SSID:%s password:%s",
GetSysConf()->wifiSettings.InfSSID,
GetSysConf()->wifiSettings.InfSecurityKey);
}
else if (bits & WIFI_FAIL_BIT)
{
ESP_LOGI(TAG, "Failed to connect to SSID:%s, password:%s",
GetSysConf()->wifiSettings.InfSSID,
GetSysConf()->wifiSettings.InfSecurityKey);
}
else
{
ESP_LOGE(TAG, "UNEXPECTED EVENT");
}
*/
vTaskDelete(NULL);
}
void WiFiAPStart(void)
{
xTaskCreate(wifi_init_apsta, "InitSoftAPTask", 1024 * 4, (void*) 0, 3, NULL);
}
void WiFiSTAStart(void)
{
xTaskCreate(wifi_init_sta, "InitStationTask", 1024 * 4, (void*) 0, 3, NULL);
}
void WiFiDisconnect(void)
{
esp_wifi_disconnect();
}
void WiFiConnect(void)
{
esp_wifi_connect();
}
static void wifi_scan(void *arg)
{
uint16_t number = DEFAULT_SCAN_LIST_SIZE;
uint16_t ap_count = 0;
memset(ap_info, 0, sizeof(ap_info));
esp_wifi_scan_start(NULL, true);
ESP_ERROR_CHECK(esp_wifi_scan_get_ap_records(&number, ap_info));
ESP_ERROR_CHECK(esp_wifi_scan_get_ap_num(&ap_count));
ESP_LOGI(TAG, "Total APs scanned = %u", ap_count);
isScanReady = true;
vTaskDelete(NULL);
}
void WiFiScan(void)
{
isScanReady = false;
xTaskCreate(wifi_scan, "ScanWiFiTask", 1024 * 4, (void*) 0, 3, NULL);
}
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