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This document contains Arduino code for setting up an ESP8266 WiFi module using SoftwareSerial and LiquidCrystal_I2C libraries. It initializes the WiFi connection with specified SSID and password, performs hard and soft resets, checks the firmware version, and attempts to connect to the WiFi network. The main loop is currently empty, indicating that further functionality may be added later.

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13 views4 pages

Don

This document contains Arduino code for setting up an ESP8266 WiFi module using SoftwareSerial and LiquidCrystal_I2C libraries. It initializes the WiFi connection with specified SSID and password, performs hard and soft resets, checks the firmware version, and attempts to connect to the WiFi network. The main loop is currently empty, indicating that further functionality may be added later.

Uploaded by

donfackronis704
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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#include <Adafruit_ESP8266.

h>

#include <SoftwareSerial.h>

#include <LiquidCrystal_I2C.h>

#define ESP_RX 3

#define ESP_TX 4

#define ESP_RST 8

SoftwareSerial softser(ESP_RX, ESP_TX);

LiquidCrystal_I2C lcd(0x27, 20, 4);

// Must declare output stream before Adafruit_ESP8266 constructor; can be

// a SoftwareSerial stream, or Serial/Serial1/etc. for UART.

Adafruit_ESP8266 wifi(&softser, &Serial, ESP_RST);

// Must call begin() on the stream(s) before using Adafruit_ESP8266 object.

#define ESP_SSID "HUAWEI Y5 2019" // Your network name here

#define ESP_PASS "b582058c4d86" // Your network password here

#define PORT 80 // Find/Google your email provider's SMTP outgoing port for unencrypted
email

int count = 0; // we'll use this int to keep track of which command we need to send next

bool send_flag = false; // we'll use this flag to know when to send the email commands

void setup() {

lcd.init();

char buffer[50];
// This might work with other firmware versions (no guarantees)

// by providing a string to ID the tail end of the boot message:

// comment/replace this if you are using something other than v 0.9.2.4!

wifi.setBootMarker(F("Version:0.9.2.4]\r\n\r\nready"));

softser.begin(9600); // Soft serial connection to ESP8266

Serial.begin(57600); while(!Serial); // UART serial debug

// Test if module is ready

lcd.backlight();

Serial.print(F("Hard reset..."));

lcd.print(F("Hard reset..."));

if(!wifi.hardReset()) {

Serial.println(F("no response from module."));

for(;;);

Serial.println(F("OK."));

lcd.print(F("OK."));

Serial.print(F("Soft reset..."));

lcd.print(F("Soft reset..."));

if(!wifi.softReset()) {

Serial.println(F("no response from module."));

for(;;);
}

Serial.println(F("OK."));

lcd.clear();

lcd.print(F("OK."));

Serial.print(F("Checking firmware version..."));

lcd.clear();

lcd.print(F("Checking firmware version..."));

delay(2000);

wifi.println(F("AT+GMR"));

if(wifi.readLine(buffer, sizeof(buffer))) {

Serial.println(buffer);

lcd.clear();

lcd.print(buffer);

delay(2000);

wifi.find(); // Discard the 'OK' that follows

} else {

Serial.println(F("error"));

Serial.print(F("Connecting to WiFi..."));

lcd.clear();

lcd.print(F("Connect to WiFi..."));

delay(2000);

if(wifi.connectToAP(F(ESP_SSID), F(ESP_PASS))) { // Le module wifi ESP8266 est connecté au réseau


// IP addr check isn't part of library yet, but

// we can manually request and place in a string.

Serial.print(F("OK\nChecking IP addr..."));

wifi.println(F("AT+CIFSR"));

if(wifi.readLine(buffer, sizeof(buffer))) {

lcd.clear();

Serial.println(buffer); // afficher l'adresse IP du module wifi ESP8266

lcd.setCursor(0, 0);

lcd.print("IP de ESP8266 ");

lcd.setCursor(0, 1);

lcd.print(buffer);

void loop() {

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