#include #include #include #include #define ONE_WIRE_BUS 7 #define TEMPERATURE_PRECISION 12 float tempC, tempF; float sumTempC, sumTempF; float avgTempC, avgTempF; float minTempF, maxTempF; OneWire oneWire(ONE_WIRE_BUS); DallasTemperature sensors(&oneWire); //Permanent Board DeviceAddress thermoOne = { 0x28, 0x20, 0x05, 0xB4, 0x04, 0x00, 0x00, 0x7B}; DeviceAddress thermoTwo = { 0x28, 0xBC, 0xBA, 0xB4, 0x04, 0x00, 0x00, 0x97}; byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x10}; byte ip[] = { 192,168,1,147}; EthernetServer server = EthernetServer(80); void setup() { Serial.begin(9600); minTempF = -1.0; maxTempF = 500.0; Ethernet.begin(mac,ip); server.begin(); sensors.begin(); sensors.setResolution(thermoOne, TEMPERATURE_PRECISION); sensors.setResolution(thermoTwo, TEMPERATURE_PRECISION); } void getTemperature(DeviceAddress deviceAddress) { tempC = sensors.getTempC(deviceAddress); tempF = DallasTemperature::toFahrenheit(tempC); } void loop() { Ethernet.maintain(); // požádáme senzor o hodnotu teploty sensors.requestTemperatures(); Serial.print("Teplota je: "); // tento řádek je vysvětlený v článku Serial.print(sensors.getTempCByIndex(0)); Serial.println(" stupnu Celsia"); delay(1000); sensors.requestTemperatures(); sumTempC = sumTempF = 0.0; getTemperature(thermoOne); sumTempC += tempC; sumTempF += tempF; getTemperature(thermoTwo); sumTempC += sumTempC; sumTempF += sumTempF; avgTempC = sumTempC / 2.0; avgTempF = sumTempF / 2.0; if(minTempF < 0.0) minTempF = avgTempF; else if(minTempF > avgTempF) minTempF = avgTempF; if(maxTempF > 499.0) maxTempF = avgTempF; else if(maxTempF < avgTempF) maxTempF = avgTempF; EthernetClient client = server.available(); if(client) { boolean BlankLine = true; while(client.connected()) { if(client.available()) { char c = client.read(); if(c == '\n' && BlankLine) { client.println("HTTP/1.1 200 OK"); client.println("Content-Type: text/html\n"); client.println("\n"); client.println("Arduino Web Server"); client.println("\n"); client.println("

Arduino Web Server

"); client.println("

Current Temperature

"); client.println(avgTempF); client.println("°F"); client.println("

"); client.println("

Minimum Temperature

"); client.println(minTempF); client.println("°F"); client.println("
"); client.println("

Maximum Temperature

"); client.println(maxTempF); client.println("°F"); client.println("\n"); break; } if(c == '\n') { BlankLine = true; } else if(c != '\r') { BlankLine = false; } } } delay(10); client.stop(); } }