Diff: main.cpp

Revision:

1:4ae13b5973d7

Parent:

0:feeb8cbe962c

--- a/main.cpp	Sun Apr 02 12:12:15 2017 +0000
+++ b/main.cpp	Fri Apr 07 04:16:33 2017 +0000
@@ -1,91 +1,99 @@
+/*inbuilt native libraries*/
 #include "mbed.h"
 #include "tsi_sensor.h"
-#include"beep.h"
+#include"beep.h"          
 
-#if defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
-#define ELEC0 9
-#define ELEC1 10
-#elif defined (TARGET_KL05Z)
-#define ELEC0 9
-#define ELEC1 8
+#if defined (TARGET_KL25Z)
+#define ELEC0 9 //Electrode 0 of touch slider at pin 9
+#define ELEC1 10 //Electrode 1 of touch slider at pin 10
 #else
 #error TARGET NOT DEFINED
 #endif
 
+
+
+/*predefined equivalent morse codes for each alphabet
+1 represents dot
+2 represents dash*/
+
 int morse[26] = {21,1112,1212,112,1,1211,122,1111,11,2221,
                 212,1121,22,12,222,1221,2122,121,111,2,
                 211,2111,221,2112,2212,1122};
-int  divisor = 10;      //set divisor, for blinking speed
+
 float slider = -1.0; 
+DigitalOut buzzer(PTB0); //Object buzzer of class Beep
+Serial pc(USBTX,USBRX); //Creating object of class Serial
 
 
-DigitalOut buzzer(PTB0);
-Serial pc(USBTX,USBRX);
-int count =0;
 int main(){
     int alpha_input;
     int temp,c,t;
     TSIAnalogSlider tsi(ELEC0, ELEC1, 80);
-    pc.printf("Please enter the letter to hear morse \n");
+    pc.printf("\nPlease enter the letter to hear its corresponding Morse Code or Touch the slider\n");
     
     while(1){
-       if(pc.readable()){
-           alpha_input = pc.getc();
-           pc.putc(alpha_input);
-           pc.printf("\n yo %d : ",(int)alpha_input);
-           if(alpha_input<123 && alpha_input>96){
-               alpha_input=alpha_input - 97; 
-               }
-               
-           else if(alpha_input<91 &&alpha_input>64){
-               alpha_input=alpha_input-65;
-               }
-               
-            else{
-                pc.printf("Invalid character\n");
+       
+       if(pc.readable())
+       {
+            alpha_input = pc.getc();
+            pc.printf("\n%c",alpha_input);
+            pc.printf("\nASCII Equivalent for letter entered: %d  \n",(int)alpha_input);
+            
+            /*To map lower case characters*/
+            if(alpha_input<123 && alpha_input>96)
+                alpha_input=alpha_input - 97; 
+           
+            /*To map upper case characters*/
+            else if(alpha_input<91 &&alpha_input>64)
+                alpha_input=alpha_input-65;
+           
+            else
+                pc.printf("\nInvalid character entered. \n");
                 
-                }
+            c=alpha_input;
                 
-                c=alpha_input;
-                
-                if(c>=0 && c<26)
+            if(c>=0 && c<26)
                 {
                     temp = morse[c];
-                    while(temp!=0){
+                    
+                    /*Generate morse code*/
+                    while(temp!=0)
+                       {
                         t=temp%10;
                         temp=temp/10;
                         if(t==1){
                             buzzer=1;
                             wait(0.1);
                             buzzer=0;
-                            pc.putc('.');
+                            pc.printf(".");
                             }
                             
                         else if(t==2){
                             buzzer=1;
                             wait(0.25);
                             buzzer=0;
-                            pc.putc('-');
+                            pc.printf("-");
                             }
                             wait(0.2);
                         }
                     }
            wait(0.5);
+           pc.printf("\n");
            }
            
            if(tsi.readPercentage() != 0) {   
-            count = count +1;                   //check if slider is tuched, if tuched slider != 0
             slider = tsi.readPercentage(); 
                 //set slidervalue ( / divisor )
         
         
-        if(slider>0 && slider<0.5){
+           if(slider>0 && slider<0.5)
+                    {
                             buzzer=1;
                             wait(0.1);
                             buzzer=0;
                             pc.printf(".");
-            }
-        if(slider>0.5 && slider<0.98){
+                    }
+           if(slider>0.5 && slider<0.98){
                             buzzer=1;
                             wait(0.25);
                             buzzer=0;