Created
February 28, 2018 08:03
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| #include <ESP8266WiFi.h> | |
| #include <OneWire.h> | |
| #include <DallasTemperature.h> | |
| //AP definitions | |
| #define AP_SSID "xxxxx" | |
| #define AP_PASSWORD "xxxxxxxxxxxx" | |
| #define IP_ADDRESS "192.168.0.107" | |
| #define PORT 80 | |
| #define NAME "living_room" | |
| #define REPORT_INTERVAL 60 // in sec | |
| #define ONE_WIRE_BUS 14 // DS18B20 pin | |
| OneWire oneWire(ONE_WIRE_BUS); | |
| DallasTemperature DS18B20(&oneWire); | |
| unsigned long startTime = millis(); | |
| unsigned int raw = 0; | |
| float volt = 0.0; | |
| void setup() { | |
| Serial.begin(115200); | |
| //Serial.println(""); | |
| //Serial.println("Starting..."); | |
| pinMode(A0, INPUT); | |
| wifiConnect(); | |
| float temp = 0; | |
| raw = analogRead(A0); | |
| volt = raw / 1023.0; | |
| volt = volt * 4.2; | |
| do { | |
| DS18B20.requestTemperatures(); | |
| delay(3); | |
| temp = DS18B20.getTempCByIndex(0); | |
| //Serial.print("Temperature: "); | |
| //Serial.println(temp); | |
| } while (temp == 85.0 || temp == (-127.0)); | |
| send(temp, volt); | |
| Serial.println(String("Uptime ") + (millis() - startTime) + "ms"); | |
| //1,000,000 = 1 second | |
| ESP.deepSleep(5000000); | |
| } | |
| void loop() { | |
| } | |
| void wifiConnect() | |
| { | |
| //Serial.print("Connecting to AP"); | |
| WiFi.begin(AP_SSID, AP_PASSWORD); | |
| while (WiFi.status() != WL_CONNECTED) { | |
| delay(1000); | |
| //Serial.print("."); | |
| } | |
| //Serial.println(""); | |
| //Serial.println("WiFi connected"); | |
| /Serial.println("IP address: "); | |
| //Serial.println(WiFi.localIP()); | |
| } | |
| void send(float temp, float adcvalue) | |
| { | |
| WiFiClient client; | |
| while(!client.connect(IP_ADDRESS, PORT)) { | |
| //Serial.println("connection failed"); | |
| wifiConnect(); | |
| } | |
| String url = ""; | |
| url += "/report?device=" + String(NAME) + "&val=" + String(temp) + "&ip=" + WiFi.localIP().toString() + "&voltage=" + String(adcvalue); | |
| //Serial.print("POST data to URL: "); | |
| //Serial.println(String(IP_ADDRESS) + url); | |
| client.print(String("POST ") + url + " HTTP/1.1\r\n" + | |
| "Host: " + String(IP_ADDRESS) + "\r\n" + | |
| "Connection: close\r\n" + | |
| "Content-Length: 0\r\n" + | |
| "\r\n"); | |
| // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
| //delay(100); | |
| //while(client.available()){ | |
| //String line = client.readStringUntil('\r'); | |
| //Serial.print(String("RESPONSE ") + line); | |
| //} | |
| client.flush(); | |
| //Serial.println(); | |
| //Serial.println("Connection closed"); | |
| } |
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