Revision 6:8dc45846a8db, committed 2020-02-13

Comitter:

ex19397

Date:

Thu Feb 13 07:26:10 2020 +0000

Parent:

5:86742cfaf4e4

Commit message:

Final

Changed in this revision

--- a/main.cpp	Thu Jan 30 08:16:04 2020 +0000
+++ b/main.cpp	Thu Feb 13 07:26:10 2020 +0000
@@ -6,16 +6,22 @@
 //    is pressed
 // The callback uses a shared variable to signal another thread
 
-InterruptIn button(PTD0);  // Pin must be on ports A or D
-DigitalOut led(LED_GREEN);
+InterruptIn button(PTD0);// Pin must be on ports A or D
+InterruptIn button1(PTD5);  
+DigitalOut led(LED_BLUE);
+DigitalOut led1(LED_RED);
 
 volatile int pressEvent = 0 ;
+volatile int pressEvent1 = 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 = !pressEvent;  
+}
+void buttonCallback1(){
+    pressEvent1 = !pressEvent1 ;  
 }
 
 /*  ---- Main function (default thread) ----
@@ -24,13 +30,17 @@
 int main() {
     button.mode(PullUp);             // Ensure button i/p has pull up
     button.fall(&buttonCallback) ;   // Attach function to falling edge
-
+    button1.mode(PullUp);             // Ensure button i/p has pull up
+    button1.fall(&buttonCallback1) ;   // Attach function to falling edge
+    
     while(true) {
         // Toggle the LED every time the button is pressed
-        if (pressEvent) {
+        if (pressEvent) { 
             led = !led ;
-            pressEvent = 0 ; // Clear the event variable
         }
-        ThisThread::sleep_for(100) ; // delay for 100ms 
+         if (pressEvent1) {
+            led1 = !led1 ;
+        }
+        ThisThread::sleep_for(500) ; // delay for 100ms 
     }
 }
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