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added DS18B20_temperature_sensor
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added DS18B20_temperature_sensor ESP8266 Arduino IDE example
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iot-playground committed Apr 18, 2015
1 parent 20b4c2f commit 90bb877
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/*
Created by Igor Jarc
See http://iot-playground.com for details
Please use community fourum on website do not contact author directly
Code based on https://github.com/DennisSc/easyIoT-ESPduino/blob/master/sketches/ds18b20.ino
External libraries:
- https://github.com/adamvr/arduino-base64
- https://github.com/milesburton/Arduino-Temperature-Control-Library
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
*/
#include <ESP8266WiFi.h>
#include <Base64.h>
#include <OneWire.h>
#include <DallasTemperature.h>

//AP definitions
#define AP_SSID "your ssid"
#define AP_PASSWORD "ap password"

// EasyIoT server definitions
#define EIOT_USERNAME "admin"
#define EIOT_PASSWORD "test"
#define EIOT_IP_ADDRESS "192.168.1.5"
#define EIOT_PORT 80
#define EIOT_NODE "N13S0"

#define REPORT_INTERVAL 60 // in sec


#define ONE_WIRE_BUS 2 // DS18B20 pin
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature DS18B20(&oneWire);


#define USER_PWD_LEN 40
char unameenc[USER_PWD_LEN];
float oldTemp;


void setup() {
Serial.begin(115200);

wifiConnect();

char uname[USER_PWD_LEN];
String str = String(EIOT_USERNAME)+":"+String(EIOT_PASSWORD);
str.toCharArray(uname, USER_PWD_LEN);
memset(unameenc,0,sizeof(unameenc));
base64_encode(unameenc, uname, strlen(uname));
oldTemp = -1;
}

void loop() {
float temp;

do {
DS18B20.requestTemperatures();
temp = DS18B20.getTempCByIndex(0);
Serial.print("Temperature: ");
Serial.println(temp);
} while (temp == 85.0 || temp == (-127.0));

if (temp != oldTemp)
{
sendTeperature(temp);
oldTemp = temp;
}

int cnt = REPORT_INTERVAL;

while(cnt--)
delay(1000);
}

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");
}

void sendTeperature(float temp)
{
WiFiClient client;

while(!client.connect(EIOT_IP_ADDRESS, EIOT_PORT)) {
Serial.println("connection failed");
wifiConnect();
}

String url = "";
url += "/Api/EasyIoT/Control/Module/Virtual/"+ String(EIOT_NODE) + "/ControlLevel/"+String(temp); // generate EasIoT server node URL

Serial.print("POST data to URL: ");
Serial.println(url);

client.print(String("POST ") + url + " HTTP/1.1\r\n" +
"Host: " + String(EIOT_IP_ADDRESS) + "\r\n" +
"Connection: close\r\n" +
"Authorization: Basic " + unameenc + " \r\n" +
"Content-Length: 0\r\n" +
"\r\n");

delay(100);
while(client.available()){
String line = client.readStringUntil('\r');
Serial.print(line);
}

Serial.println();
Serial.println("Connection closed");
}

3 changes: 2 additions & 1 deletion Esp8266EasyIoT/Esp8266EasyIoT.cpp
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See http://iot-playground.com for details
Please use community fourum on website do not contact author directly
Code based on MySensors datatypes and API. http://www.mysensors.org
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
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3 changes: 2 additions & 1 deletion Esp8266EasyIoT/Esp8266EasyIoT.h
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Expand Up @@ -9,7 +9,8 @@
See http://iot-playground.com for details
Please use community fourum on website do not contact author directly
Code based on MySensors datatypes and API. http://www.mysensors.org
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
Expand Down
7 changes: 4 additions & 3 deletions Esp8266EasyIoT/Esp8266EasyIoTConfig.h
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#ifndef EasyIoTEspConfig_h
#define EasyIoTEspConfig_h

#define AP_SSID "XXXXXXXX" //ACCESS POINT ID
#define AP_PASSWORD "XXXXXXXX" //ACCES POINT password
#define SERVER_IP "192.168.1.4" //EasyIoT server IP address
#define AP_SSID "JAI" //ACCESS POINT ID
#define AP_PASSWORD "danesjelepdan" //ACCES POINT password
#define SERVER_IP "192.168.1.8" //EasyIoT server IP address
//#define SERVER_IP "192.168.1.5" //EasyIoT server IP address
#define SERVER_PORT "37602" //EasyIoT server port


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1 change: 1 addition & 0 deletions Esp8266EasyIoT/Esp8266EasyIoTMsg.cpp
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Expand Up @@ -9,6 +9,7 @@
See http://iot-playground.com for details
Please use community fourum on website do not contact author directly
Code based on MySensors datatypes and API. http://www.mysensors.org
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
Expand Down
1 change: 1 addition & 0 deletions Esp8266EasyIoT/Esp8266EasyIoTMsg.h
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
See http://iot-playground.com for details
Please use community fourum on website do not contact author directly
Code based on MySensors datatypes and API. http://www.mysensors.org
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
Expand Down

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