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February 16, 2017 20:41
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connect esp wpa2
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#include "WiFiEsp.h" | |
// Emulate Serial1 on pins 6/7 if not present | |
#ifndef HAVE_HWSERIAL2 | |
#include "SoftwareSerial.h" | |
SoftwareSerial Serial2(6, 7); // RX, TX | |
#endif | |
char ssid[] = "free"; // your network SSID (name) | |
char pass[] = ""; // your network password | |
int status = WL_IDLE_STATUS; // the Wifi radio's status | |
void setup() { | |
// initialize serial for debugging | |
Serial.begin(115200); | |
// initialize serial for ESP module | |
Serial2.begin(9600); | |
// initialize ESP module | |
WiFi.init(&Serial2); | |
// check for the presence of the shield | |
if (WiFi.status() == WL_NO_SHIELD) { | |
Serial.println("WiFi shield not present"); | |
// don't continue | |
while (true); | |
} | |
// attempt to connect to WiFi network | |
while ( status != WL_CONNECTED) { | |
Serial.print("Attempting to connect to WPA SSID: "); | |
Serial.println(ssid); | |
// Connect to WPA/WPA2 network | |
status = WiFi.begin(ssid, pass); | |
} | |
// you're connected now, so print out the data | |
Serial.println("You're connected to the network"); | |
} | |
void loop() | |
{ | |
// check the network connection once every 10 seconds | |
Serial.println(); | |
printCurrentNet(); | |
printWifiData(); | |
delay(10000); | |
} | |
void printWifiData() | |
{ | |
// print your WiFi shield's IP address | |
IPAddress ip = WiFi.localIP(); | |
Serial.print("IP Address: "); | |
Serial.println(ip); | |
// print your MAC address | |
byte mac[6]; | |
WiFi.macAddress(mac); | |
char buf[20]; | |
sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X", mac[5], mac[4], mac[3], mac[2], mac[1], mac[0]); | |
Serial.print("MAC address: "); | |
Serial.println(buf); | |
} | |
void printCurrentNet() | |
{ | |
// print the SSID of the network you're attached to | |
Serial.print("SSID: "); | |
Serial.println(WiFi.SSID()); | |
// print the MAC address of the router you're attached to | |
byte bssid[6]; | |
WiFi.BSSID(bssid); | |
char buf[20]; | |
sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X", bssid[5], bssid[4], bssid[3], bssid[2], bssid[1], bssid[0]); | |
Serial.print("BSSID: "); | |
Serial.println(buf); | |
// print the received signal strength | |
long rssi = WiFi.RSSI(); | |
Serial.print("Signal strength (RSSI): "); | |
Serial.println(rssi); | |
} |
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