[WIP] Add wifi manager for provisioning

arduino/libraries/WiFi/src/WiFi.cpp

@@ -615,11 +615,19 @@ esp_err_t WiFiClass::systemEventHandler(void* ctx, system_event_t* event)
   return ESP_OK;
 }
 
+#include "wifi_manager.h"
+
 void WiFiClass::handleSystemEvent(system_event_t* event)
 {
   switch (event->event_id) {
     case SYSTEM_EVENT_SCAN_DONE:
       xEventGroupSetBits(_eventGroup, BIT2);
+
+      if (wifi_manager_event_group != NULL) {
+        xEventGroupClearBits(wifi_manager_event_group, WIFI_MANAGER_SCAN_BIT);
+        wifi_manager_send_message(EVENT_SCAN_DONE, NULL);
+      }
+
       break;
 
     case SYSTEM_EVENT_STA_START: {
@@ -664,9 +672,23 @@ void WiFiClass::handleSystemEvent(system_event_t* event)
     case SYSTEM_EVENT_STA_GOT_IP:
       memcpy(&_ipInfo, &event->event_info.got_ip.ip_info, sizeof(_ipInfo));
       _status = WL_CONNECTED;
+
+      if (wifi_manager_event_group != NULL) {
+        xEventGroupSetBits(wifi_manager_event_group, WIFI_MANAGER_WIFI_CONNECTED_BIT);
+        wifi_manager_send_message(EVENT_STA_GOT_IP, (void*)event->event_info.got_ip.ip_info.ip.addr );
+      }
+
       break;
 
     case SYSTEM_EVENT_STA_DISCONNECTED: {
+
+      if (wifi_manager_event_group != NULL) {
+        /* if a DISCONNECT message is posted while a scan is in progress this scan will NEVER end, causing scan to never work again. For this reason SCAN_BIT is cleared too */
+        xEventGroupClearBits(wifi_manager_event_group, WIFI_MANAGER_WIFI_CONNECTED_BIT | WIFI_MANAGER_SCAN_BIT);
+        /* post disconnect event with reason code */
+        wifi_manager_send_message(EVENT_STA_DISCONNECTED, (void*)( (uint32_t)event->event_info.disconnected.reason) );
+      }
+
       uint8_t reason = event->event_info.disconnected.reason;
 
       _reasonCode = reason;
@@ -725,6 +747,10 @@ void WiFiClass::handleSystemEvent(system_event_t* event)
 
       _status = WL_AP_LISTENING;
       xEventGroupSetBits(_eventGroup, BIT1);
+      if (wifi_manager_event_group != NULL) {
+        xEventGroupSetBits(wifi_manager_event_group, WIFI_MANAGER_AP_STARTED_BIT);
+      }
+
       break;
     }
 
@@ -737,13 +763,21 @@ void WiFiClass::handleSystemEvent(system_event_t* event)
 
     case SYSTEM_EVENT_AP_STACONNECTED:
       _status = WL_AP_CONNECTED;
+      if (wifi_manager_event_group != NULL) {
+        xEventGroupSetBits(wifi_manager_event_group, WIFI_MANAGER_AP_STA_CONNECTED_BIT);
+      }
+
       break;
 
     case SYSTEM_EVENT_AP_STADISCONNECTED:
       wifi_sta_list_t staList;
 
       esp_wifi_ap_get_sta_list(&staList);
 
+      if (wifi_manager_event_group != NULL) {
+        xEventGroupClearBits(wifi_manager_event_group, WIFI_MANAGER_AP_STA_CONNECTED_BIT);
+      }
+
       if (staList.num == 0) {
         _status = WL_AP_LISTENING;
       }

components/wifi_manager/CMakeLists.txt

@@ -0,0 +1,11 @@
+set(COMPONENT_SRCS 
+	"main.c"
+    "dns_server.c"
+    "http_server.c"
+    "json.c"
+    "wifi_manager.c"
+)
+set(COMPONENT_ADD_INCLUDEDIRS "")
+set(COMPONENT_EMBED_FILES "style.css jquery.gz code.js index.html")
+
+register_component()

components/wifi_manager/Kconfig.projbuild

@@ -0,0 +1,63 @@
+menu "Wifi Manager Configuration"
+
+config WIFI_MANAGER_TASK_PRIORITY
+    int "RTOS Task Priority for the wifi_manager"
+    default 5
+    help
+	Tasks spawn by the manager will have a priority of WIFI_MANAGER_TASK_PRIORITY-1. For this particular reason, minimum recommended task priority is 2.
+
+config WIFI_MANAGER_MAX_RETRY
+	int "Max Retry on failed connection"
+    default 2
+    help
+	Defines when a connection is lost/attempt to connect is made, how many retries should be made before giving up.
+
+config DEFAULT_AP_SSID
+    string "Access Point SSID"
+    default "esp32"
+    help
+	SSID (network name) the the esp32 will broadcast.
+
+config DEFAULT_AP_PASSWORD
+    string "Access Point Password"
+    default "esp32pwd"
+    help
+	Password used for the Access Point. Leave empty and set AUTH MODE to WIFI_AUTH_OPEN for no password.
+
+config DEFAULT_AP_CHANNEL
+    int "Access Point WiFi Channel"
+    default 1
+    help
+	Be careful you might not see the access point if you use a channel not allowed in your country.
+
+config DEFAULT_AP_IP
+    string "Access Point IP Address"
+    default "10.10.0.1"
+    help
+	This is used for the redirection to the captive portal. It is recommended to leave unchanged.
+
+config DEFAULT_AP_GATEWAY
+    string "Access Point IP Gateway"
+    default "10.10.0.1"
+    help
+	This is used for the redirection to the captive portal. It is recommended to leave unchanged.
+
+config DEFAULT_AP_NETMASK
+    string "Access Point Netmask"
+    default "255.255.255.0"
+    help
+	This is used for the redirection to the captive portal. It is recommended to leave unchanged.
+
+config DEFAULT_AP_MAX_CONNECTIONS
+    int "Access Point Max Connections"
+    default 4
+    help
+	Max is 4.
+
+config DEFAULT_AP_BEACON_INTERVAL
+    int "Access Point Beacon Interval (ms)"
+    default 100
+    help
+	100ms is the recommended default.
+
+endmenu

components/wifi_manager/ap.json

@@ -0,0 +1,12 @@
+[
+{"ssid":"Pantum-AP-A6D49F","chan":11,"rssi":-55,"auth":4},
+{"ssid":"a0308","chan":1,"rssi":-56,"auth":3},
+{"ssid":"dlink-D9D8","chan":11,"rssi":-82,"auth":4},
+{"ssid":"Linksys06730","chan":7,"rssi":-85,"auth":3},
+{"ssid":"SINGTEL-5171","chan":9,"rssi":-88,"auth":4},
+{"ssid":"1126-1","chan":11,"rssi":-89,"auth":4},
+{"ssid":"The Shah 5GHz-2","chan":1,"rssi":-90,"auth":3},
+{"ssid":"SINGTEL-1D28 (2G)","chan":11,"rssi":-91,"auth":3},
+{"ssid":"dlink-F864","chan":1,"rssi":-92,"auth":4},
+{"ssid":"dlink-74F0","chan":1,"rssi":-93,"auth":4}
+]