Revision 4:206beeaf992b, committed 2013-05-06

Comitter:

Pallavi

Date:

Mon May 06 07:26:47 2013 +0000

Parent:

3:bae19bde97d5

Commit message:

interactive adc

Changed in this revision

--- a/main.cpp	Sat Apr 13 07:03:04 2013 +0000
+++ b/main.cpp	Mon May 06 07:26:47 2013 +0000
@@ -3,16 +3,55 @@
 #include "mbed.h"
 #include "TextLCD.h"
 
-TextLCD lcd(p15, p16, p17, p18, p19, p20); // rs, e, d4-d7
-
+TextLCD lcd(p9, p10, p11, p12, p13, p14); // rs, e, d4-d7
+AnalogIn voltage(p15);
+DigitalOut A(LED1);
+DigitalOut B(LED2);
+DigitalOut C(LED3);
+DigitalOut D(LED4);
 int main() 
 {
+float x;
 while (1){
-    lcd.printf(" This is 16x2!\n");
-    lcd.printf("Jello World!\n");
+x=voltage.read();
+    lcd.printf(" voltage in real: %3.4f\n", voltage.read());
+    wait(1);
+    lcd.printf("voltage in integer: %5d\n", voltage.read_u16());
     wait(1);
-    lcd.printf("Jello World!  \n");
-    lcd.printf("Hello World!\n");
-    wait(1);
+    if(x<=0.2)
+    {
+    A=0;
+    B=0;
+    C=0;
+    D=0;
+    }
+    else if(x>0.2 && x<=0.4)
+    {
+    A=1;
+    B=0;
+    C=0;
+    D=0;
+    }
+    else if(x>0.4 && x<=0.6)
+    {
+    A=1;
+    B=1;
+    C=0;
+    D=0;
+    }
+    else if(x>0.6 && x<=0.8)
+    {
+    A=1;
+    B=1;
+    C=1;
+    D=0;
+    }
+    else if(x>0.8 && x<=1.0)
+    {
+    A=1;
+    B=1;
+    C=1;
+    D=1;
+    }
 }
 }