#include <ESP8266WiFi.h> #include <DNSServer.h> #include <ESP8266WebServer.h> #include <WiFiManager.h> #include <PubSubClient.

Transcription

1 #include <ESP8266WiFi.h> #include <DNSServer.h> #include <ESP8266WebServer.h> #include <WiFiManager.h> #include <PubSubClient.h> const char* mqtt_server = "SERVER_ADDRESS"; WiFiClient espclient; PubSubClient client(espclient); long lastmsg = 0; char msg[50]; int value = 0; //#define PIN D2 #include <SPI.h> #include <Wire.h> #include <SFE_MicroOLED.h> #define PIN_RESET 255 #define DC_JUMPER 0 // I2C Addres: 0-0x3C, 1-0x3D MicroOLED oled(pin_reset, DC_JUMPER); //////////////////////////////////////////////////////// //#include <Wire.h> #include <Keypad_I2C.h> #include <Keypad.h> #define I2CADDR 0x21 const byte ROWS = 4; //four rows const byte COLS = 3; //three columns char keys[rows][cols] = { {'1','2','3', {'4','5','6', {'7','8','9', {'*','0','#' ;

2 byte rowpins[rows] = {1,6,5,3; byte colpins[cols] = {2,0,4; Keypad_I2C kpd( makekeymap(keys), rowpins, colpins, ROWS, COLS, I2CADDR, PCF8574 ); //////////////////////////////////////////////////////////////////////////////////// int c1 = 0; //button 1 int c2 = 0; //button 2 int c3 = 0; int c4 = 0; int c5 = 0; int c6 = 0; int c7 = 0; int c8 = 0; int c9 = 0; int x = 0; int y = 0; int v=0; ////////////////////////////////////////////////// void setup() { Wire.begin( ); kpd.begin( makekeymap(keys) ); //pinmode(2, OUTPUT); Serial.begin(115200); WiFiManager wifimanager; wifimanager.autoconnect("autoconnectap"); client.setserver(mqtt_server, 1883); client.setcallback(callback); void callback(char* topic, byte* payload, unsigned int length) { Serial.print("Message arrived ["); Serial.print(topic); Serial.print("] ");

3 oled.begin(); oled.clear(all); oled.setfonttype(0); oled.clear(page); oled.setcursor(0, 0); for (int i = 0; i < length; i++) { Serial.print((char)payload[i]); delay(50); oled.print((char)payload[i]); delay(2500); oled.begin(); oled.clear(all); oled.setfonttype(0); oled.clear(page); x=0; y=0; oled.setcursor(0, 0);//display.setCursor(0,0); Serial.println(); void reconnect() { // Loop until we're reconnected while (!client.connected()) { Serial.print("Attempting MQTT connection..."); // Attempt to connect if (client.connect("esp8266client")) { oled.begin(); oled.clear(all); oled.setfonttype(0);

4 oled.clear(page); delay(50); oled.print("connected"); delay(2000); oled.clear(page); Serial.println("connected"); client.subscribe("led"); else { Serial.print("failed, rc="); Serial.print(client.state()); Serial.println(" try again in 5 seconds"); // Wait 5 seconds before retrying delay(5000); void loop() { /* char key = kpd.getkey(); if (key){ Serial.println(key); oled.print(key); */ ////////////////////////////////////////////////////////////////// char key=kpd.getkey();//[1000] = {kpd.getkey(); if (key=='0'){ x=x+7; client.publish("txt"," "); //////////////////////////////////////////////////////////////////

5 if (key=='*'){ oled.setcursor(x-1,y); oled.print(" "); ////////////////////////////////////////////////////////////////// if (key=='#'){ x=x+7; if (x>60){ x=0; y=y+8; if (v==0){ client.publish("txt","2"); else if (v==1){ client.publish("txt","a"); else if (v==2){ client.publish("txt","b"); else if (v==3){ client.publish("txt","c"); else if (v==4){ client.publish("txt","3"); else if (v==5){ client.publish("txt","d"); else if (v==6){ client.publish("txt","e"); else if (v==7){ client.publish("txt","f"); else if (v==8){

6 client.publish("txt","4"); else if (v==9){ client.publish("txt","g"); else if (v==10){ client.publish("txt","h"); else if (v==11){ client.publish("txt","i"); else if (v==12){ client.publish("txt","5"); else if (v==13){ client.publish("txt","j"); else if (v==14){ client.publish("txt","k"); else if (v==15){ client.publish("txt","l"); else if (v==16){ client.publish("txt","6"); else if (v==17){ client.publish("txt","m"); else if (v==18){ client.publish("txt","n"); else if (v==19){ client.publish("txt","o"); else if (v==20){ client.publish("txt","7"); else if (v==21){ client.publish("txt","p"); else if (v==22){ client.publish("txt","q"); else if (v==23){ client.publish("txt","r");

7 else if (v==24){ client.publish("txt","8"); else if (v==25){ client.publish("txt","s"); else if (v==26){ client.publish("txt","t"); else if (v==27){ client.publish("txt","u"); else if (v==28){ client.publish("txt","9"); else if (v==29){ client.publish("txt","v"); else if (v==30){ client.publish("txt","w"); else if (v==31){ client.publish("txt","x"); else if (v==32){ client.publish("txt","1"); else if (v==33){ client.publish("txt","y"); else if (v==34){ client.publish("txt","z"); else if (v==35){ client.publish("txt","0"); else if (key=='1'){ if (c1 == 0) { v=32;

8 oled.print("1"); c1 = c1 + 1; else if (c1 == 1) { v=33; oled.print("y"); c1 = c1 + 1; else if (c1 == 2) { v=34; oled.print("z"); c1 = c1 + 1; else if (c1 == 3) { v=35; oled.print("0"); c1 = 0; else if (key=='2'){ if (c2 == 0) { v=0; oled.print("2");

9 c2 = c2 + 1; else if (c2 == 1) { v=1; oled.print("a"); c2 = c2 + 1; else if (c2 == 2) { v=2; oled.print("b"); c2 = c2 + 1; else if (c2 == 3) { v=3; oled.print("c"); c2 = 0; else if (key=='3'){ if (c3 == 0) { v=4; oled.print("3"); c3 = c3 + 1; else if (c3 == 1) {

10 v=5; oled.print("d"); c3 = c3 + 1; else if (c3 == 2) { v=6; oled.print("e"); c3 = c3 + 1; else if (c3 == 3) { v=7; oled.print("f"); c3 = 0; else if (key=='4'){ if (c4 == 0) { v=8; oled.print("4"); c4 = c4 + 1; else if (c4 == 1) { v=9; oled.print("g");

11 c4 = c4 + 1; else if (c4 == 2) { v=10; oled.print("h"); c4 = c4 + 1; else if (c4 == 3) { v=11; oled.print("i"); c4 = 0; else if (key=='5'){ if (c5 == 0) { v=12; oled.print("5"); c5 = c5 + 1; else if (c5 == 1) { v=13; oled.print("j"); c5 = c5 + 1; else if (c5 == 2) { v=14;

12 oled.print("k"); c5 = c5 + 1; else if (c5 == 3) { v=15; oled.print("l"); c5 = 0; else if (key=='6'){ if (c6 == 0) { v=16; oled.print("6"); c6 = c6 + 1; else if (c6 == 1) { v=17; oled.print("m"); c6 = c6 + 1; else if (c6 == 2) { v=18; oled.print("n"); c6 = c6 + 1; else if (c6 == 3) {

13 v=19; oled.print("o"); c6 = 0; else if (key=='7'){ if (c7 == 0) { v=20; oled.print("7"); c7 = c7 + 1; else if (c7 == 1) { v=21; oled.print("p"); c7 = c7 + 1; else if (c7 == 2) { v=22; oled.print("q"); c7 = c7 + 1; else if (c7 == 3) { v=23; oled.print("r");

14 c7 = 0; else if (key=='8'){ if (c8 == 0) { v=24; oled.print("8"); c8 = c8 + 1; else if (c8 == 1) { v=25; oled.print("s"); c8 = c8 + 1; else if (c8 == 2) { v=26; oled.print("t"); c8 = c8 + 1; else if (c8 == 3) { v=27; oled.print("u"); c8 = 0; else if (key=='9'){

15 if (c9 == 0) { v=28; oled.print("9"); c9 = c9 + 1; else if (c9 == 1) { v=29; oled.print("v"); c9 = c9 + 1; else if (c9 == 2) { v=30; oled.print("w"); c9 = c9 + 1; else if (c9 == 3) { v=31; oled.print("x"); c9 = 0; //oled.print(key); // //client.publish("txt",key);

16 // if (!client.connected()) { reconnect(); client.loop(); // client.publish("led", msg);