Elektronikk Høst 15 / Mbed 2 deprecated Debounce

Et eksempel på Debounce av en knapp ved hjelp av interrupts

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Revision 0:95812c6efbce, committed 2015-11-05

Comitter:
benrammok
Date:
Thu Nov 05 13:14:36 2015 +0000
Commit message:
Debounce Program

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 05 13:14:36 2015 +0000
@@ -0,0 +1,45 @@
+#include "mbed.h"
+ 
+//Definerer inn/utganger 
+DigitalOut led(LED1);
+InterruptIn button(USER_BUTTON);
+Timeout tOut;
+
+
+//Funksjonsprototyper
+void btnClick(void);
+void enableIRQ(void);
+void toggleLed(void);
+
+
+int main() {
+   //Setter pull-up og fester en funksjon til fall på button.
+   button.mode(PullUp);
+   button.fall(&btnClick);
+    
+  
+    
+    while(1) {
+
+        wait(0.2); // 200 ms
+    }
+}
+
+//Toggler Led fra av/på -> på/av
+void toggleLed(){ 
+    led = !led; //Toggler LED
+}
+
+
+//Skrur på interrupts
+void enableIRQ(){
+    button.enable_irq();    
+}
+
+
+//Kjører når knappen blir trykket
+void btnClick(){
+    button.disable_irq();
+    tOut.attach_us(enableIRQ, 10);
+    toggleLed();
+    }
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Nov 05 13:14:36 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9296ab0bfc11
\ No newline at end of file