167 lines
6.2 KiB
C++
167 lines
6.2 KiB
C++
/*
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* This sketch shows the WiFi event usage
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*
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*/
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/*
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* WiFi Events
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0 SYSTEM_EVENT_WIFI_READY < ESP32 WiFi ready
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1 SYSTEM_EVENT_SCAN_DONE < ESP32 finish scanning AP
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2 SYSTEM_EVENT_STA_START < ESP32 station start
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3 SYSTEM_EVENT_STA_STOP < ESP32 station stop
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4 SYSTEM_EVENT_STA_CONNECTED < ESP32 station connected to AP
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5 SYSTEM_EVENT_STA_DISCONNECTED < ESP32 station disconnected from AP
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6 SYSTEM_EVENT_STA_AUTHMODE_CHANGE < the auth mode of AP connected by ESP32 station changed
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7 SYSTEM_EVENT_STA_GOT_IP < ESP32 station got IP from connected AP
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8 SYSTEM_EVENT_STA_LOST_IP < ESP32 station lost IP and the IP is reset to 0
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9 SYSTEM_EVENT_STA_WPS_ER_SUCCESS < ESP32 station wps succeeds in enrollee mode
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10 SYSTEM_EVENT_STA_WPS_ER_FAILED < ESP32 station wps fails in enrollee mode
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11 SYSTEM_EVENT_STA_WPS_ER_TIMEOUT < ESP32 station wps timeout in enrollee mode
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12 SYSTEM_EVENT_STA_WPS_ER_PIN < ESP32 station wps pin code in enrollee mode
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13 SYSTEM_EVENT_AP_START < ESP32 soft-AP start
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14 SYSTEM_EVENT_AP_STOP < ESP32 soft-AP stop
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15 SYSTEM_EVENT_AP_STACONNECTED < a station connected to ESP32 soft-AP
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16 SYSTEM_EVENT_AP_STADISCONNECTED < a station disconnected from ESP32 soft-AP
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17 SYSTEM_EVENT_AP_STAIPASSIGNED < ESP32 soft-AP assign an IP to a connected station
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18 SYSTEM_EVENT_AP_PROBEREQRECVED < Receive probe request packet in soft-AP interface
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19 SYSTEM_EVENT_GOT_IP6 < ESP32 station or ap or ethernet interface v6IP addr is preferred
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20 SYSTEM_EVENT_ETH_START < ESP32 ethernet start
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21 SYSTEM_EVENT_ETH_STOP < ESP32 ethernet stop
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22 SYSTEM_EVENT_ETH_CONNECTED < ESP32 ethernet phy link up
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23 SYSTEM_EVENT_ETH_DISCONNECTED < ESP32 ethernet phy link down
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24 SYSTEM_EVENT_ETH_GOT_IP < ESP32 ethernet got IP from connected AP
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25 SYSTEM_EVENT_MAX
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*/
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#include <WiFi.h>
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const char* ssid = "your-ssid";
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const char* password = "your-password";
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void WiFiEvent(WiFiEvent_t event)
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{
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Serial.printf("[WiFi-event] event: %d\n", event);
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switch (event) {
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case SYSTEM_EVENT_WIFI_READY:
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Serial.println("WiFi interface ready");
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break;
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case SYSTEM_EVENT_SCAN_DONE:
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Serial.println("Completed scan for access points");
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break;
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case SYSTEM_EVENT_STA_START:
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Serial.println("WiFi client started");
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break;
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case SYSTEM_EVENT_STA_STOP:
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Serial.println("WiFi clients stopped");
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break;
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case SYSTEM_EVENT_STA_CONNECTED:
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Serial.println("Connected to access point");
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break;
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case SYSTEM_EVENT_STA_DISCONNECTED:
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Serial.println("Disconnected from WiFi access point");
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break;
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case SYSTEM_EVENT_STA_AUTHMODE_CHANGE:
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Serial.println("Authentication mode of access point has changed");
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break;
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case SYSTEM_EVENT_STA_GOT_IP:
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Serial.print("Obtained IP address: ");
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Serial.println(WiFi.localIP());
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break;
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case SYSTEM_EVENT_STA_LOST_IP:
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Serial.println("Lost IP address and IP address is reset to 0");
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break;
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case SYSTEM_EVENT_STA_WPS_ER_SUCCESS:
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Serial.println("WiFi Protected Setup (WPS): succeeded in enrollee mode");
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break;
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case SYSTEM_EVENT_STA_WPS_ER_FAILED:
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Serial.println("WiFi Protected Setup (WPS): failed in enrollee mode");
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break;
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case SYSTEM_EVENT_STA_WPS_ER_TIMEOUT:
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Serial.println("WiFi Protected Setup (WPS): timeout in enrollee mode");
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break;
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case SYSTEM_EVENT_STA_WPS_ER_PIN:
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Serial.println("WiFi Protected Setup (WPS): pin code in enrollee mode");
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break;
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case SYSTEM_EVENT_AP_START:
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Serial.println("WiFi access point started");
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break;
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case SYSTEM_EVENT_AP_STOP:
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Serial.println("WiFi access point stopped");
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break;
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case SYSTEM_EVENT_AP_STACONNECTED:
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Serial.println("Client connected");
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break;
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case SYSTEM_EVENT_AP_STADISCONNECTED:
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Serial.println("Client disconnected");
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break;
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case SYSTEM_EVENT_AP_STAIPASSIGNED:
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Serial.println("Assigned IP address to client");
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break;
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case SYSTEM_EVENT_AP_PROBEREQRECVED:
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Serial.println("Received probe request");
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break;
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case SYSTEM_EVENT_GOT_IP6:
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Serial.println("IPv6 is preferred");
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break;
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case SYSTEM_EVENT_ETH_START:
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Serial.println("Ethernet started");
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break;
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case SYSTEM_EVENT_ETH_STOP:
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Serial.println("Ethernet stopped");
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break;
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case SYSTEM_EVENT_ETH_CONNECTED:
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Serial.println("Ethernet connected");
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break;
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case SYSTEM_EVENT_ETH_DISCONNECTED:
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Serial.println("Ethernet disconnected");
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break;
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case SYSTEM_EVENT_ETH_GOT_IP:
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Serial.println("Obtained IP address");
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break;
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default: break;
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}}
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void WiFiGotIP(WiFiEvent_t event, WiFiEventInfo_t info)
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{
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Serial.println("WiFi connected");
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Serial.println("IP address: ");
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Serial.println(IPAddress(info.got_ip.ip_info.ip.addr));
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}
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void setup()
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{
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Serial.begin(115200);
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// delete old config
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WiFi.disconnect(true);
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delay(1000);
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// Examples of different ways to register wifi events
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WiFi.onEvent(WiFiEvent);
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WiFi.onEvent(WiFiGotIP, WiFiEvent_t::SYSTEM_EVENT_STA_GOT_IP);
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WiFiEventId_t eventID = WiFi.onEvent([](WiFiEvent_t event, WiFiEventInfo_t info){
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Serial.print("WiFi lost connection. Reason: ");
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Serial.println(info.disconnected.reason);
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}, WiFiEvent_t::SYSTEM_EVENT_STA_DISCONNECTED);
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// Remove WiFi event
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Serial.print("WiFi Event ID: ");
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Serial.println(eventID);
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// WiFi.removeEvent(eventID);
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WiFi.begin(ssid, password);
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Serial.println();
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Serial.println();
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Serial.println("Wait for WiFi... ");
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}
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void loop()
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{
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delay(1000);
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}
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