Revision 4:795b1612b41d, committed 2018-02-01

Comitter:

toh2018

Date:

Thu Feb 01 17:20:49 2018 +0000

Parent:

3:05b6a1431a6b

Commit message:

Interrupt_part_for_lab2

Changed in this revision

--- a/main.cpp	Tue Jan 16 18:14:21 2018 +0000
+++ b/main.cpp	Thu Feb 01 17:20:49 2018 +0000
@@ -7,30 +7,76 @@
 // The callback uses a shared variable to signal another thread
 
 InterruptIn button(PTD0);
-DigitalOut led(LED_GREEN);
+InterruptIn s_button(PTD2);
+DigitalOut led(LED_BLUE);
+DigitalOut s_led(LED_RED);
+volatile int time1;
+volatile int time2;
 
 volatile int pressEvent = 0 ;
+volatile int s_pressEvent = 0 ;
 
 // This function is invoked when then interrupt occurs
 //   Signal that the button has been pressed
 //   Note: bounce may occur 
 void buttonCallback(){
-    pressEvent = 1 ;
+    pressEvent = 1 ;   
+}
+
+void s_buttonCallback(){
+    s_pressEvent = 1 ;
+    
 }
 
 /*  ---- Main function (default thread) ----
     Note that if this thread completes, nothing else works
  */
 int main() {
+    //S_led=1;
     button.mode(PullUp);             // Ensure button i/p has pull up
     button.fall(&buttonCallback) ;   // Attach function to falling edge
-
+   
+    //second button
+    
+    s_button.mode(PullUp);             
+    s_button.fall(&s_buttonCallback) ;
+    //s_led=1; 
+    
     while(true) {
         // Toggle the LED every time the button is pressed
-        if (pressEvent) {
+        
+        // control button 1 (blue)
+           
+        if(time1==0){
+            
+        led=!led;
+        }
+        
+        if(time2==0){
+        s_led=!s_led;
+        
+        }
+     
+        //press event_1 coltrol button 1 (Blue)
+        
+        if (pressEvent) { 
+           time1 = !time1;
+            if(time1==1){    
             led = !led ;
-            pressEvent = 0 ; // Clear the event variable
+            }
+            pressEvent = 0 ; // Clear the event variable    
+                 
         }
-        Thread::wait(100) ;
+        
+        //press even_2 coltrol button 2 (RED)
+        if (s_pressEvent) {
+            time2 = !time2;
+            if(time2==1){
+            s_led = !s_led ;
+            }
+            s_pressEvent = 0 ; // Clear the event variable    
+             
+        }
+        Thread::wait(500) ;
     }
 }
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