146 lines
7 KiB
C++
146 lines
7 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 ARDUINO_EVENT_WIFI_READY < ESP32 WiFi ready
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1 ARDUINO_EVENT_WIFI_SCAN_DONE < ESP32 finish scanning AP
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2 ARDUINO_EVENT_WIFI_STA_START < ESP32 station start
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3 ARDUINO_EVENT_WIFI_STA_STOP < ESP32 station stop
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4 ARDUINO_EVENT_WIFI_STA_CONNECTED < ESP32 station connected to AP
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5 ARDUINO_EVENT_WIFI_STA_DISCONNECTED < ESP32 station disconnected from AP
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6 ARDUINO_EVENT_WIFI_STA_AUTHMODE_CHANGE < the auth mode of AP connected by ESP32 station changed
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7 ARDUINO_EVENT_WIFI_STA_GOT_IP < ESP32 station got IP from connected AP
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8 ARDUINO_EVENT_WIFI_STA_LOST_IP < ESP32 station lost IP and the IP is reset to 0
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9 ARDUINO_EVENT_WPS_ER_SUCCESS < ESP32 station wps succeeds in enrollee mode
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10 ARDUINO_EVENT_WPS_ER_FAILED < ESP32 station wps fails in enrollee mode
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11 ARDUINO_EVENT_WPS_ER_TIMEOUT < ESP32 station wps timeout in enrollee mode
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12 ARDUINO_EVENT_WPS_ER_PIN < ESP32 station wps pin code in enrollee mode
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13 ARDUINO_EVENT_WIFI_AP_START < ESP32 soft-AP start
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14 ARDUINO_EVENT_WIFI_AP_STOP < ESP32 soft-AP stop
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15 ARDUINO_EVENT_WIFI_AP_STACONNECTED < a station connected to ESP32 soft-AP
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16 ARDUINO_EVENT_WIFI_AP_STADISCONNECTED < a station disconnected from ESP32 soft-AP
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17 ARDUINO_EVENT_WIFI_AP_STAIPASSIGNED < ESP32 soft-AP assign an IP to a connected station
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18 ARDUINO_EVENT_WIFI_AP_PROBEREQRECVED < Receive probe request packet in soft-AP interface
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19 ARDUINO_EVENT_WIFI_AP_GOT_IP6 < ESP32 ap interface v6IP addr is preferred
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19 ARDUINO_EVENT_WIFI_STA_GOT_IP6 < ESP32 station interface v6IP addr is preferred
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20 ARDUINO_EVENT_ETH_START < ESP32 ethernet start
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21 ARDUINO_EVENT_ETH_STOP < ESP32 ethernet stop
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22 ARDUINO_EVENT_ETH_CONNECTED < ESP32 ethernet phy link up
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23 ARDUINO_EVENT_ETH_DISCONNECTED < ESP32 ethernet phy link down
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24 ARDUINO_EVENT_ETH_GOT_IP < ESP32 ethernet got IP from connected AP
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19 ARDUINO_EVENT_ETH_GOT_IP6 < ESP32 ethernet interface v6IP addr is preferred
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25 ARDUINO_EVENT_MAX
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*/
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#include <WiFi.h>
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const char *ssid = "Wokwi-GUEST";
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const char *password = "";
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// WARNING: This function is called from a separate FreeRTOS task (thread)!
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void WiFiEvent(WiFiEvent_t event) {
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Serial.printf("[WiFi-event] event: %d\n", event);
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switch (event) {
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case ARDUINO_EVENT_WIFI_READY: Serial.println("WiFi interface ready"); break;
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case ARDUINO_EVENT_WIFI_SCAN_DONE: Serial.println("Completed scan for access points"); break;
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case ARDUINO_EVENT_WIFI_STA_START: Serial.println("WiFi client started"); break;
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case ARDUINO_EVENT_WIFI_STA_STOP: Serial.println("WiFi clients stopped"); break;
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case ARDUINO_EVENT_WIFI_STA_CONNECTED: Serial.println("Connected to access point"); break;
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case ARDUINO_EVENT_WIFI_STA_DISCONNECTED: Serial.println("Disconnected from WiFi access point"); break;
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case ARDUINO_EVENT_WIFI_STA_AUTHMODE_CHANGE: Serial.println("Authentication mode of access point has changed"); break;
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case ARDUINO_EVENT_WIFI_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 ARDUINO_EVENT_WIFI_STA_LOST_IP: Serial.println("Lost IP address and IP address is reset to 0"); break;
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case ARDUINO_EVENT_WPS_ER_SUCCESS: Serial.println("WiFi Protected Setup (WPS): succeeded in enrollee mode"); break;
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case ARDUINO_EVENT_WPS_ER_FAILED: Serial.println("WiFi Protected Setup (WPS): failed in enrollee mode"); break;
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case ARDUINO_EVENT_WPS_ER_TIMEOUT: Serial.println("WiFi Protected Setup (WPS): timeout in enrollee mode"); break;
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case ARDUINO_EVENT_WPS_ER_PIN: Serial.println("WiFi Protected Setup (WPS): pin code in enrollee mode"); break;
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case ARDUINO_EVENT_WIFI_AP_START: Serial.println("WiFi access point started"); break;
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case ARDUINO_EVENT_WIFI_AP_STOP: Serial.println("WiFi access point stopped"); break;
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case ARDUINO_EVENT_WIFI_AP_STACONNECTED: Serial.println("Client connected"); break;
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case ARDUINO_EVENT_WIFI_AP_STADISCONNECTED: Serial.println("Client disconnected"); break;
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case ARDUINO_EVENT_WIFI_AP_STAIPASSIGNED: Serial.println("Assigned IP address to client"); break;
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case ARDUINO_EVENT_WIFI_AP_PROBEREQRECVED: Serial.println("Received probe request"); break;
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case ARDUINO_EVENT_WIFI_AP_GOT_IP6: Serial.println("AP IPv6 is preferred"); break;
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case ARDUINO_EVENT_WIFI_STA_GOT_IP6: Serial.println("STA IPv6 is preferred"); break;
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case ARDUINO_EVENT_ETH_GOT_IP6: Serial.println("Ethernet IPv6 is preferred"); break;
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case ARDUINO_EVENT_ETH_START: Serial.println("Ethernet started"); break;
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case ARDUINO_EVENT_ETH_STOP: Serial.println("Ethernet stopped"); break;
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case ARDUINO_EVENT_ETH_CONNECTED: Serial.println("Ethernet connected"); break;
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case ARDUINO_EVENT_ETH_DISCONNECTED: Serial.println("Ethernet disconnected"); break;
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case ARDUINO_EVENT_ETH_GOT_IP: Serial.println("Obtained IP address"); break;
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default: break;
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}
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}
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// WARNING: This function is called from a separate FreeRTOS task (thread)!
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void WiFiGotIP(WiFiEvent_t event, WiFiEventInfo_t info) {
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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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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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// these handlers will be called from another thread.
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WiFi.onEvent(WiFiEvent);
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WiFi.onEvent(WiFiGotIP, WiFiEvent_t::ARDUINO_EVENT_WIFI_STA_GOT_IP);
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WiFiEventId_t eventID = WiFi.onEvent(
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[](WiFiEvent_t event, WiFiEventInfo_t info) {
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Serial.print("WiFi lost connection. Reason: ");
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Serial.println(info.wifi_sta_disconnected.reason);
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},
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WiFiEvent_t::ARDUINO_EVENT_WIFI_STA_DISCONNECTED
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);
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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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Serial.println("Scan start");
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// WiFi.scanNetworks will return the number of networks found.
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int n = WiFi.scanNetworks();
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Serial.println("Scan done");
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if (n == 0) {
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Serial.println("no networks found");
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} else {
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Serial.print(n);
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Serial.println(" networks found");
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for (int i = 0; i < n; ++i) {
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// Print SSID for each network found
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Serial.printf("%s\n", WiFi.SSID(i).c_str());
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Serial.println();
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delay(10);
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}
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}
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Serial.println("");
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// Delete the scan result to free memory for code below.
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WiFi.scanDelete();
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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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delay(1000);
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}
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