1 direct link to display temperature on LCD
1 direct link to display temperature and humidity on LCD
to access configuration press button link2 (D3) for 5 seconds
configuration using wifimanager
Pin D0 = Direct Link 1
Pin D3 = Direct Link 2 hold 5 seconds to enter config
Pin D4 = Direct Link 3
Pin D5 = Direct Link 4
Pin D6 = Direct Link 5
Pin D7 = Direct Link 6
Pin D1 = Lcd SCL
Pin D2 = Lcd SDA
Lcd = 20x4 I2C (0x27)
Code: Select all
#include <FS.h> // ---- esp board manager 2.4.2 --- iwip Variant V2 higher Bandwidth
#include <WiFiClientSecure.h>
#include <ESP8266WiFi.h>
#include <DNSServer.h>
#include <WiFiManager.h> //--------- https://github.com/tzapu/WiFiManager/tree/0.14 -------------
#include <ArduinoJson.h> //--------- https://github.com/bblanchon/ArduinoJson/tree/v5.13.2 ------
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);
const char* host = ".org";
const int httpsPort = 443;
const char* fingerprint = "CF 05 98 89 CA FF 8E D8 5E 5C E0 C2 E4 F7 E6 C3 C7 50 DD 5C";
char Supla_server[20];
char D_Link_1[40];
char D_Link_2[40];
char D_Link_3[40];
char D_Link_4[40];
char D_Link_5[40];
char D_Link_6[40];
char Link_T[40];
char Link_T_H[40];
byte mac[6];
String url = "/direct";
bool shouldSaveConfig = false;
bool initialConfig = false;
#define Link_1_PIN D0 // triger Link 1
#define Link_2_PIN D3 // triger Link 2 and config
#define Link_3_PIN D4 // triger Link 3
#define Link_4_PIN D5 // triger Link 4
#define Link_5_PIN D6 // triger Link 5
#define Link_6_PIN D7 // triger Link 6
int Temp_mtbs = 30000; //Temperature update interval 30 seconds
unsigned long Temp_lasttime;
unsigned long wifi_checkDelay = 20000; // wifi reconnect delay tray to reconnect every 20 seconds ------------ Wi-Fi podłącz tacę opóźniającą, aby ponownie połączyć się co 20 sekund
unsigned long wifimilis; //
int C_W_state = HIGH;
int last_C_W_state = HIGH;
unsigned long time_last_C_W_change = 0;
long C_W_delay = 5000; // config delay 5 seconds ------------ opóźnienie konfiguracji 5 sekund
int row = 0;
int timeout = 180; // seconds to run for
//callback notifying us of the need to save config
void saveConfigCallback () {
Serial.println("Should save config");
shouldSaveConfig = true;
}
void ondemandwifiCallback () {
WiFiManagerParameter custom_Supla_server("server", "supla server", Supla_server, 20);
WiFiManagerParameter custom_D_Link_1("Link_1", "D_Link_1", D_Link_1, 40);
WiFiManagerParameter custom_D_Link_2("Link_2", "D_Link_2", D_Link_2, 40);
WiFiManagerParameter custom_D_Link_3("Link_3", "D_Link_3", D_Link_3, 40);
WiFiManagerParameter custom_D_Link_4("Link_4", "D_Link_4", D_Link_4, 40);
WiFiManagerParameter custom_D_Link_5("Link_5", "D_Link_5", D_Link_5, 40);
WiFiManagerParameter custom_D_Link_6("Link_6", "D_Link_6", D_Link_6, 40);
WiFiManagerParameter custom_Link_T("Link_T", "Link_T", Link_T, 40);
WiFiManagerParameter custom_Link_T_H("Link_T_H", "Link_T_H", Link_T_H, 40);
WiFiManager wifiManager;
wifiManager.setSaveConfigCallback(saveConfigCallback);
wifiManager.addParameter(&custom_Supla_server);
wifiManager.addParameter(&custom_D_Link_1);
wifiManager.addParameter(&custom_D_Link_2);
wifiManager.addParameter(&custom_D_Link_3);
wifiManager.addParameter(&custom_D_Link_4);
wifiManager.addParameter(&custom_D_Link_5);
wifiManager.addParameter(&custom_D_Link_6);
wifiManager.addParameter(&custom_Link_T);
wifiManager.addParameter(&custom_Link_T_H);
wifiManager.setCustomHeadElement("<style>html{ background-color: #01DF3A;}</style><div class='s'><svg version='1.1' id='l' x='0' y='0' viewBox='0 0 200 200' xml:space='preserve'><path d='M59.3,2.5c18.1,0.6,31.8,8,40.2,23.5c3.1,5.7,4.3,11.9,4.1,18.3c-0.1,3.6-0.7,7.1-1.9,10.6c-0.2,0.7-0.1,1.1,0.6,1.5c12.8,7.7,25.5,15.4,38.3,23c2.9,1.7,5.8,3.4,8.7,5.3c1,0.6,1.6,0.6,2.5-0.1c4.5-3.6,9.8-5.3,15.7-5.4c12.5-0.1,22.9,7.9,25.2,19c1.9,9.2-2.9,19.2-11.8,23.9c-8.4,4.5-16.9,4.5-25.5,0.2c-0.7-0.3-1-0.2-1.5,0.3c-4.8,4.9-9.7,9.8-14.5,14.6c-5.3,5.3-10.6,10.7-15.9,16c-1.8,1.8-3.6,3.7-5.4,5.4c-0.7,0.6-0.6,1,0,1.6c3.6,3.4,5.8,7.5,6.2,12.2c0.7,7.7-2.2,14-8.8,18.5c-12.3,8.6-30.3,3.5-35-10.4c-2.8-8.4,0.6-17.7,8.6-22.8c0.9-0.6,1.1-1,0.8-2c-2-6.2-4.4-12.4-6.6-18.6c-6.3-17.6-12.7-35.1-19-52.7c-0.2-0.7-0.5-1-1.4-0.9c-12.5,0.7-23.6-2.6-33-10.4c-8-6.6-12.9-15-14.2-25c-1.5-11.5,1.7-21.9,9.6-30.7C32.5,8.9,42.2,4.2,53.7,2.7c0.7-0.1,1.5-0.2,2.2-0.2C57,2.4,58.2,2.5,59.3,2.5z M76.5,81c0,0.1,0.1,0.3,0.1,0.6c1.6,6.3,3.2,12.6,4.7,18.9c4.5,17.7,8.9,35.5,13.3,53.2c0.2,0.9,0.6,1.1,1.6,0.9c5.4-1.2,10.7-0.8,15.7,1.6c0.8,0.4,1.2,0.3,1.7-0.4c11.2-12.9,22.5-25.7,33.4-38.7c0.5-0.6,0.4-1,0-1.6c-5.6-7.9-6.1-16.1-1.3-24.5c0.5-0.8,0.3-1.1-0.5-1.6c-9.1-4.7-18.1-9.3-27.2-14c-6.8-3.5-13.5-7-20.3-10.5c-0.7-0.4-1.1-0.3-1.6,0.4c-1.3,1.8-2.7,3.5-4.3,5.1c-4.2,4.2-9.1,7.4-14.7,9.7C76.9,80.3,76.4,80.3,76.5,81z M89,42.6c0.1-2.5-0.4-5.4-1.5-8.1C83,23.1,74.2,16.9,61.7,15.8c-10-0.9-18.6,2.4-25.3,9.7c-8.4,9-9.3,22.4-2.2,32.4c6.8,9.6,19.1,14.2,31.4,11.9C79.2,67.1,89,55.9,89,42.6z M102.1,188.6c0.6,0.1,1.5-0.1,2.4-0.2c9.5-1.4,15.3-10.9,11.6-19.2c-2.6-5.9-9.4-9.6-16.8-8.6c-8.3,1.2-14.1,8.9-12.4,16.6C88.2,183.9,94.4,188.6,102.1,188.6z M167.7,88.5c-1,0-2.1,0.1-3.1,0.3c-9,1.7-14.2,10.6-10.8,18.6c2.9,6.8,11.4,10.3,19,7.8c7.1-2.3,11.1-9.1,9.6-15.9C180.9,93,174.8,88.5,167.7,88.5z'/></svg>");
wifiManager.setMinimumSignalQuality();
wifiManager.setConfigPortalTimeout(timeout);
if (!wifiManager.startConfigPortal("Remote_Temp_x2")) {
Serial.println("failed to connect and hit timeout");
delay(3000);
ESP.restart();
delay(5000);
}
Serial.println("connected...yeey :)");
strcpy(Supla_server, custom_Supla_server.getValue());
strcpy(D_Link_1, custom_D_Link_1.getValue());
strcpy(D_Link_2, custom_D_Link_2.getValue());
strcpy(D_Link_3, custom_D_Link_3.getValue());
strcpy(D_Link_4, custom_D_Link_4.getValue());
strcpy(D_Link_5, custom_D_Link_5.getValue());
strcpy(D_Link_6, custom_D_Link_6.getValue());
strcpy(Link_T, custom_Link_T.getValue());
strcpy(Link_T_H, custom_Link_T_H.getValue());
}
void setup() { //------------------------------------------------ Setup ----------------------------------------------
Serial.begin(115200);
pinMode(Link_1_PIN, INPUT_PULLUP);
pinMode(Link_2_PIN, INPUT_PULLUP);
pinMode(Link_3_PIN, INPUT_PULLUP);
pinMode(Link_4_PIN, INPUT_PULLUP);
pinMode(Link_5_PIN, INPUT_PULLUP);
pinMode(Link_6_PIN, INPUT_PULLUP);
lcd.init();
lcd.backlight(); // Turn on the backlight.
lcd.setCursor(0, 0);
// (x12345678901234567890x)
lcd.print("Supla Remote TempHum");
lcd.setCursor(0, 1);
// (x12345678901234567890x)
lcd.print(" Conecting WiFi ");
if (WiFi.SSID()==""){
initialConfig = true;
}
Serial.println("mounting FS...");
if (SPIFFS.begin()) {
Serial.println("mounted file system");
if (SPIFFS.exists("/config.json")) {
//file exists, reading and loading
Serial.println("reading config file");
File configFile = SPIFFS.open("/config.json", "r");
if (configFile) {
Serial.println("opened config file");
size_t size = configFile.size();
// Allocate a buffer to store contents of the file.
std::unique_ptr<char[]> buf(new char[size]);
configFile.readBytes(buf.get(), size);
DynamicJsonBuffer jsonBuffer;
JsonObject& json = jsonBuffer.parseObject(buf.get());
Serial.println(jsonBuffer.size());
json.printTo(Serial);
if (json.success()) {
Serial.println("\nparsed json");
strcpy(Supla_server, json["Supla_server"]);
strcpy(D_Link_1, json["D_Link_1"]);
strcpy(D_Link_2, json["D_Link_2"]);
strcpy(D_Link_3, json["D_Link_3"]);
strcpy(D_Link_4, json["D_Link_4"]);
strcpy(D_Link_5, json["D_Link_5"]);
strcpy(D_Link_6, json["D_Link_6"]);
strcpy(Link_T, json["Link_T"]);
strcpy(Link_T_H, json["Link_T_H"]);
} else {
Serial.println("failed to load json config");
}
}
}
} else {
Serial.println("failed to mount FS");
}
host = Supla_server;
WiFi.mode(WIFI_STA);
}
void loop() {
if ( digitalRead(Link_1_PIN) == LOW ) {
url = D_Link_1;
direct_Link() ;
}
if ( digitalRead(Link_2_PIN) == LOW) {
url = D_Link_2;
direct_Link() ;
}
if ( digitalRead(Link_3_PIN) == LOW ) {
url = D_Link_3;
direct_Link() ;
}
if ( digitalRead(Link_4_PIN) == LOW) {
url = D_Link_4;
direct_Link() ;
}
if ( digitalRead(Link_5_PIN) == LOW ) {
url = D_Link_5;
direct_Link() ;
}
if ( digitalRead(Link_6_PIN) == LOW) {
url = D_Link_6;
direct_Link() ;
}
if (initialConfig) {
lcd.setCursor(0, 1);
// (x12345678901234567890x)
lcd.print(" Wifi config Ap ");
ondemandwifiCallback () ;
initialConfig = false;
}
int C_W_read = digitalRead(Link_2_PIN);{
if (C_W_read != last_C_W_state) {
time_last_C_W_change = millis();
}
if ((millis() - time_last_C_W_change) > C_W_delay) {
if (C_W_read != C_W_state) {
Serial.println("Triger sate changed");
C_W_state = C_W_read;
if (C_W_state == LOW) {
lcd.setCursor(0, 1);
// (x12345678901234567890x)
lcd.print(" Wifi config Ap ");
ondemandwifiCallback () ;
}
}
}
last_C_W_state = C_W_read;
}
if (millis() > Temp_lasttime + Temp_mtbs) { //-------------Temp_lasttime--------------------
lcd.setCursor(0, 1);
// (x12345678901234567890x)
lcd.print("Temp.inter. ");
url = Link_T;
row = 1;
Temp_D_Link();
lcd.setCursor(0, 2);
// (x12345678901234567890x)
lcd.print("Temp.exter. ");
lcd.setCursor(0, 3);
// (x12345678901234567890x)
lcd.print(" humidity: ");
url = Link_T_H;
row = 2;
Temp_Hum_D_Link();
Temp_lasttime = millis();
}
if (shouldSaveConfig) {
Serial.println("saving config");
DynamicJsonBuffer jsonBuffer;
JsonObject& json = jsonBuffer.createObject();
json["Supla_server"] = Supla_server;
json["D_Link_1"] = D_Link_1;
json["D_Link_2"] = D_Link_2;
json["D_Link_3"] = D_Link_3;
json["D_Link_4"] = D_Link_4;
json["D_Link_5"] = D_Link_5;
json["D_Link_6"] = D_Link_6;
json["Link_T"] = Link_T;
json["Link_T_H"] = Link_T_H;
File configFile = SPIFFS.open("/config.json", "w");
if (!configFile) {
Serial.println("failed to open config file for writing");
}
json.prettyPrintTo(Serial);
json.printTo(configFile);
configFile.close();
Serial.println("config saved");
lcd.setCursor(0, 1);
// (x12345678901234567890x)
lcd.print(" config saved ");
shouldSaveConfig = false;
WiFi.mode(WIFI_STA);
delay(3000);
ESP.restart();
delay(5000);
}
if (WiFi.status() != WL_CONNECTED)
{
lcd.setCursor(0, 1);
// (x12345678901234567890x)
lcd.print(" Conecting WiFi ");
WiFi_up();
}
}
void WiFi_up() {
if (millis() > wifimilis) {
WiFi.begin();
for (int x = 20; x > 0; x--)
{
if (x == 1){
wifimilis = (millis() + wifi_checkDelay) ;
}
if (WiFi.status() == WL_CONNECTED)
{
lcd.setCursor(0, 1);
// (x12345678901234567890x)
lcd.print(" WiFi Connected ");
break;
}
else
{
yield();
delay(500);
Serial.print(".");
}
}
if (WiFi.status() == WL_CONNECTED)
{
lcd.setCursor(0, 1);
// (x12345678901234567890x)
lcd.print(" WiFi Connected ");
Serial.println("");
Serial.println("Connected");
Serial.println("Adres IP: ");
Serial.print(WiFi.localIP());
Serial.print(" / ");
Serial.print(WiFi.subnetMask());
Serial.print(" / ");
Serial.println(WiFi.gatewayIP());
long rssi = WiFi.RSSI();
Serial.print("(RSSI): ");
Serial.print(rssi);
Serial.println(" dBm");
}
if (WiFi.status() != WL_CONNECTED)
{
Serial.println("");
Serial.println("connection failed");
}
}
}
void direct_Link() {
WiFiClientSecure client;
Serial.print("connecting to ");
Serial.println(host);
if (!client.connect(host, httpsPort)) {
Serial.println("connection failed");
return;
}
Serial.print("requesting URL: ");
Serial.println(url);
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"User-Agent: BuildFailureDetectorESP8266\r\n" +
"Connection: close\r\n\r\n");
Serial.println("request sent");
while (client.connected()) {
String line = client.readStringUntil('\n');
if (line == "\r") {
Serial.println("headers received");
break;
}
}
String line = client.readStringUntil('}');
line = line + "}";
if (line.indexOf("true") >0) {
lcd.setCursor(0, 0);
// (x12345678901234567890x)
lcd.print(" ");
lcd.setCursor(0, 0);
lcd.print(line);
Serial.println("successfull!");
} else {
Serial.println("failed");
}
Serial.println("reply was:");
Serial.println("==========");
Serial.println(line);
Serial.println("==========");
Serial.println("closing connection");
delay (2000);
lcd.setCursor(0, 0);
// (x12345678901234567890x)
lcd.print("Supla Remote TempHum");
}
void Temp_Hum_D_Link() {
WiFiClientSecure client;
Serial.print("connecting to ");
Serial.println(host);
if (!client.connect(host, httpsPort)) {
Serial.println("connection failed");
return;
}
Serial.print("requesting URL: ");
Serial.println(url);
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"User-Agent: ESP8266\r\n" +
"Connection: close\r\n\r\n");
Serial.println("request sent");
while (client.connected()) {
String line = client.readStringUntil('\n');
if (line == "\r") {
Serial.println("headers received");
break;
}
}
String line = client.readStringUntil('}');
line = line + "}";
Serial.println("reply was:");
Serial.println("==========");
Serial.println(line);
Serial.println("==========");
DynamicJsonBuffer jsonBuffer(200);
JsonObject& root = jsonBuffer.parseObject(line);
if (!root.success()) {
Serial.println("parseObject() failed");
return;
}
int Humi = root["humidity"];
double Temp = root["temperature"];
Serial.print("temperature ");
Serial.println(Temp, 2);
Serial.print("humidity ");
Serial.println(Humi);
Serial.println("closing connection");
//lcd.setCursor(13,(row));
//lcd.print(" ");
lcd.setCursor(13,(row));
lcd.print(Temp, 2);
lcd.print(" C");
//lcd.setCursor(13,(row+1));
//lcd.print(" ");
lcd.setCursor(13,(row+1));
lcd.print(Humi);
lcd.print("%");
}
void Temp_D_Link() {
WiFiClientSecure client;
Serial.print("connecting to ");
Serial.println(host);
if (!client.connect(host, httpsPort)) {
Serial.println("connection failed");
return;
}
Serial.print("requesting URL: ");
Serial.println(url);
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"User-Agent: ESP8266\r\n" +
"Connection: close\r\n\r\n");
Serial.println("request sent");
while (client.connected()) {
String line = client.readStringUntil('\n');
if (line == "\r") {
Serial.println("headers received");
break;
}
}
String line = client.readStringUntil('}');
line = line + "}";
Serial.println("reply was:");
Serial.println("==========");
Serial.println(line);
Serial.println("==========");
DynamicJsonBuffer jsonBuffer(200);
JsonObject& root = jsonBuffer.parseObject(line);
if (!root.success()) {
Serial.println("parseObject() failed");
return;
}
double Temp = root["temperature"];
Serial.print("temperature ");
Serial.println(Temp, 2);
Serial.println("closing connection");
//lcd.setCursor(13,(row));
//lcd.print(" ");
lcd.setCursor(13,(row));
lcd.print(Temp, 2);
lcd.print(" C");
}