Diff: main.cpp

Revision:

1:27646760b7ac

Parent:

0:3d9570678c6d

--- a/main.cpp	Mon Feb 28 19:57:50 2011 +0000
+++ b/main.cpp	Tue Jun 03 08:59:19 2014 +0000
@@ -1,34 +1,130 @@
- #include "mbed.h"
- #include "TextLCD.h"
-  
- Serial xbee1(p9, p10);
- DigitalOut rst1(p8);
- 
- DigitalOut myled(LED1);
- TextLCD lcd(p15, p16, p17, p18, p19, p20);
- 
- int main() {
+/* LIBRARIES */
+#include "mbed.h" 
+#include "C12832.h"
+#include "string.h"
+/*--------------------*/
+
+/*OUTPUT AND INPUT CONFIGURATION*/
+Serial xbee1(p9, p10); //pin declaration for the xbee module on the board 
+Serial cinterion(p13,p14);  //pin declaration for the cinterion module on the board
+DigitalOut myled(LED1); //pin declaration for the blinking LED on the board
+DigitalOut myled2 (LED2);
+DigitalOut myled3 (LED3);
+DigitalOut myled4 (LED4);
+C12832 lcd(p5, p7, p6, p8, p11); //pin declaration for the LCD screen on the board
+/*--------------------------*/
+
+/*FUNCTION PROTOTYPE*/
+float decryption (float sens2, char sens);
+/*----------------------*/
+
+/*VARIABLES DEFINITION*/
+char X; //definition of a character
+char temp,volt,current,lumi;     //definition of four variables matching the 4 differents type of data that the board receive
+float temp2, current2,volt2, lumi2; // which are temperature, voltage, current, and luminosity
+char NumTel[] = "07404054906"; //Mobile number to which the values will be sent
+char inchar,inchar1,inchar2,inchar3,inchar4,inchar5; // variables used for the SMS 
+/*-----------------------------------------*/
+
+
+/*------------*/
+/*MAIN PROGRAM*/
+/*------------*/
+
+
+void FlushGSM(void) { char char1 = 0; while (cinterion.readable()) { char1 = cinterion.getc(); } return; }  //function that clean out the reception buffer of the SIM card
+
 
-     rst1 = 0;   //Set reset pin to 0
-     myled = 0;
-     wait_ms(1);
-     rst1 = 1;   //Set reset pin to 1
-     wait_ms(1);
-     int X; 
+//----CALLBACK FUNCTIONS----//
+//This one will interrupt the program when the cinterion will be receiving a SMS// 
+void callback2() 
+ {  
+  inchar = cinterion.getc(); // I am copying several value to be sure that this is the right command
+  inchar1 = cinterion.getc();
+  inchar2 = cinterion.getc();
+  inchar3 = cinterion.getc();
+  inchar4 = cinterion.getc();
+  inchar5 = cinterion.getc();
+  if ((inchar == 0x0D)&&(inchar1 == 0x0A)&&(inchar2 == '+')&&(inchar3 == 'C')&&(inchar4 == 'M')&& (inchar5 == 'T')) // if the incoming command is "+CMTI", a new SMS has been received
+      {
+        myled4=1;
+        cinterion.printf("AT+CMGD=1"); //AT command to delete the last SMS, to never be out of space
+        cinterion.putc(0x0D);          //"enter"
+        wait(1);
+        FlushGSM();                    //clear the reception buffer
+        wait(0.5);
+        cinterion.printf("AT+CMGF=1");   //Text mode activated for the SMS
+        cinterion.putc(0x0D);           //"enter"
+        wait(1);
+        myled2=1;
+        cinterion.printf("AT+CMGS=%s", NumTel);  //AT command to send a SMS to the mobile number set 
+        cinterion.putc(0x0D);                    //"enter"
+        wait(1) ;
+        cinterion.printf("Temperature: %.2f, Current: %.2f,Voltage: %.2f, Luminosity: %.2f" , temp2, current2, volt2, lumi2); //the results are send by SMS
+        cinterion.putc(0x1A);              //ASCII code for Ctrl+Z
+        wait(5);                           //there are a lot of delays, to be sure that the command are sent
+        myled2=0;
+        FlushGSM();                       //clear the reception buffer
+        myled4=0;
+      
+      }
+ }
+
+
 
-     while (1) {
-        if(xbee1.readable()){
-             wait(1);
-              myled = 1;
-             
-            xbee1.scanf("%d", &X);
-           // X = xbee1.getc();
-             wait(1);
-             myled = 0;                
-             lcd.printf("data received %f \n\r ", (X)/10.0);
-             
-           }
-         }
+//This one will interrupt the program when the xbee will be receiving data// 
+ void callback()    
+    {   
+        X =  xbee1.getc(); //the values received are put into the X variable
+        if (X == 0xEE) //if X equals the start bit
+            {   myled = 1; 
+                temp = xbee1.getc();   //the next value that the xbee receive is the temperature, then the current, the voltage and finally the luminosity
+                current = xbee1.getc();
+                volt = xbee1.getc();
+                lumi = xbee1.getc();
+               
+                temp2 = decryption(temp2, temp);  //decryption of the values received
+                current2 = decryption(current2, current);
+                volt2 = decryption (volt2, volt) ;
+                lumi2 = decryption(lumi2, lumi);
+            }
+            
+        if (X == 0xFF) //if X equals the final bit
+            { 
+            myled = 0; //LED is off when the string stops
+            lcd.cls();
+            lcd.locate(0,0);
+            lcd.printf("Temperature: %.2f, Current: %.2f,Voltage: %.2f, Luminosity: %.2f" , temp2, current2, volt2, lumi2); //the board monitor the results on the LCD Screen
+            xbee1.printf("Temperature : %f , Current : %f , Voltage : %f , Luminosity : %f " , temp2, current2, volt2, lumi2); //the board sends the results to the PC thanks to the xbee
+            }
+    } 
+    
+ 
+    
+ float decryption(float sens2, char sens) // decryption function
+       {
+         sens >>=2; //shift bit to the right
+         sens2 = (float)sens/50 ;  //division
+         return sens2;
+       }  
+       
+  
+    
+ //----MAIN FUNCTION----//   
+ int main() 
+    {
+        cinterion.printf("AT+CNMI=1,1,0,0,1"); //configure the cinterion board to be warned when a new SMS is received
+        cinterion.putc(0x0D);                  // ASCII code for the "enter" key
+        FlushGSM();                            // clear the reception buffer
+       
+    while (1) //Neverending loop
+          { 
+          xbee1.attach(&callback); //call of the xbee callback function 
+          cinterion.attach(&callback2);   //call of the cinterion callback function            
+          wait(1);
+          }
      }
 
 
+
+