main.cpp

00001 #include "mbed.h"
00002 #include "ESP8266Interface.h"
00003 #include "TCPSocketConnection.h"
00004 #include "ifttt.h"
00005 #include "SoftSerialSendOnry.h"
00006 
00007 AnalogIn thermistor(dp13);   /* Temperature sensor connected to Analog Grove connector */
00008 
00009 ESP8266Interface wifi(dp16,dp15,dp4,"SSID","Password",115200); // TX,RX,Reset,SSID,Password,Baud
00010 
00011 SoftSerialSendOnry pc(dp10); // tx
00012 
00013 float getTemperature()
00014 {
00015     unsigned int a, beta = 3975;
00016     float temperature, resistance;
00017 
00018     a = thermistor.read_u16(); /* Read analog value */
00019     
00020     /* Calculate the resistance of the thermistor from analog votage read. */
00021     resistance= (float) 10000.0 * ((65536.0 / a) - 1.0);
00022     
00023     /* Convert the resistance to temperature using Steinhart's Hart equation */
00024     temperature=(1/((log(resistance/10000.0)/beta) + (1.0/298.15)))-273.15; 
00025 
00026     return(temperature);    
00027 }
00028 
00029 int main()
00030 {
00031     pc.baud(9600);
00032     wifi.init(); //Reset
00033     wifi.connect(); //Use DHCP
00034     pc.printf("IP Address is %s \n\r", wifi.getIPAddress());
00035     TCPSocketConnection socket;
00036     
00037     // Initialize ifttt object, add up to 3 optional values, trigger event. 
00038     IFTTT ifttt("EventName","Secret Key", &socket); // EventName, Secret Key, socket to use
00039 
00040     char tmp[64];
00041     
00042     sprintf(tmp,"%f",getTemperature());
00043 
00044     ifttt.addIngredients(tmp,"value2","value3");
00045     ifttt.trigger(IFTTT_POST);
00046 }