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- #include <Arduino.h>
- #include <ESP8266WiFi.h>
- #include <ESP8266WiFiMulti.h>
- #include <ESP8266HTTPClient.h>
- #include <ESP8266WiFi.h>
- #include <OneWire.h>
- #define USE_SERIAL Serial
- OneWire ds(2);
- ESP8266WiFiMulti WiFiMulti;
- void setup() {
- USE_SERIAL.begin(115200);
- // USE_SERIAL.setDebugOutput(true);
- USE_SERIAL.println();
- USE_SERIAL.println();
- USE_SERIAL.println();
- for(uint8_t t = 4; t > 0; t--) {
- USE_SERIAL.printf("[SETUP] WAIT %d...\n", t);
- USE_SERIAL.flush();
- delay(1000);
- }
- WiFiMulti.addAP("SSID", "PASS");
- }
- void loop() {
- byte i;
- byte present = 0;
- byte type_s;
- byte data[12];
- byte addr[8];
- float celsius, fahrenheit;
- if ( !ds.search(addr)) {
- Serial.println("No more addresses.");
- Serial.println();
- ds.reset_search();
- delay(250);
- return;
- }
- Serial.print("ROM =");
- for ( i = 0; i < 8; i++) {
- Serial.write(' ');
- Serial.print(addr[i], HEX);
- }
- if (OneWire::crc8(addr, 7) != addr[7]) {
- Serial.println("CRC is not valid!");
- return;
- }
- Serial.println();
- // the first ROM byte indicates which chip
- switch (addr[0]) {
- case 0x10:
- Serial.println(" Chip = DS18S20"); // or old DS1820
- type_s = 1;
- break;
- case 0x28:
- Serial.println(" Chip = DS18B20");
- type_s = 0;
- break;
- case 0x22:
- Serial.println(" Chip = DS1822");
- type_s = 0;
- break;
- default:
- Serial.println("Device is not a DS18x20 family device.");
- return;
- }
- ds.reset();
- ds.select(addr);
- ds.write(0x44, 1); // start conversion, with parasite power on at the end
- delay(1000); // maybe 750ms is enough, maybe not
- // we might do a ds.depower() here, but the reset will take care of it.
- present = ds.reset();
- ds.select(addr);
- ds.write(0xBE); // Read Scratchpad
- Serial.print(" Data = ");
- Serial.print(present, HEX);
- Serial.print(" ");
- for ( i = 0; i < 9; i++) { // we need 9 bytes
- data[i] = ds.read();
- Serial.print(data[i], HEX);
- Serial.print(" ");
- }
- Serial.print(" CRC=");
- Serial.print(OneWire::crc8(data, 8), HEX);
- Serial.println();
- int16_t raw = (data[1] << 8) | data[0];
- if (type_s) {
- raw = raw << 3; // 9 bit resolution default
- if (data[7] == 0x10) {
- // "count remain" gives full 12 bit resolution
- raw = (raw & 0xFFF0) + 12 - data[6];
- }
- } else {
- byte cfg = (data[4] & 0x60);
- // at lower res, the low bits are undefined, so let's zero them
- if (cfg == 0x00) raw = raw & ~7; // 9 bit resolution, 93.75 ms
- else if (cfg == 0x20) raw = raw & ~3; // 10 bit res, 187.5 ms
- else if (cfg == 0x40) raw = raw & ~1; // 11 bit res, 375 ms
- //// default is 12 bit resolution, 750 ms conversion time
- }
- celsius = (float)raw / 16.0;
- fahrenheit = celsius * 1.8 + 32.0;
- Serial.print(" Temperature = ");
- Serial.print(celsius);
- Serial.print(" Celsius, ");
- Serial.print(fahrenheit);
- Serial.println(" Fahrenheit");
- // wait for WiFi connection
- if((WiFiMulti.run() == WL_CONNECTED)) {
- HTTPClient http;
- USE_SERIAL.print("[HTTP] begin...\n");
- // configure traged server and url
- //http.begin("192.168.1.12", 443, "/test.html", true, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); //HTTPS
- String strLab = "/test.php?id=1&temp=";
- char tmp[10];
- dtostrf(celsius,3,5,tmp);
- String strOut = strLab + tmp;
- http.begin("192.168.1.2", 80, strOut); //HTTP
- USE_SERIAL.print("[HTTP] GET...\n");
- // start connection and send HTTP header
- int httpCode = http.GET();
- if(httpCode) {
- // HTTP header has been send and Server response header has been handled
- USE_SERIAL.printf("[HTTP] GET... code: %d\n", httpCode);
- // file found at server
- if(httpCode == 200) {
- String payload = http.getString();
- USE_SERIAL.println(payload);
- }
- } else {
- USE_SERIAL.print("[HTTP] GET... failed, no connection or no HTTP server\n");
- }
- }
- delay(10000);
- }
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