Anil Kandangath / DebouncedInterrupt Featured

Debounce InterruptIn

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DebounceInterrupts.h@4:19689187352e, 2014-02-18 (annotated)

Committer:
kandangath
Date:
Tue Feb 18 06:15:45 2014 +0000
Revision:
4:19689187352e
Parent:
3:e4b7033508d1
Child:
5:3c0f741fb448
Add enum for interrupt trigger

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kandangath 0:ca5a0fee9f52 1
kandangath 0:ca5a0fee9f52 2 /**
kandangath 1:ffacad1b455a 3 * Debounces an InterruptIn
kandangath 0:ca5a0fee9f52 4 */
kandangath 0:ca5a0fee9f52 5
kandangath 0:ca5a0fee9f52 6 #ifndef DEBOUNCE_INTERRUPTS_H
kandangath 0:ca5a0fee9f52 7 #define DEBOUNCE_INTERRUPTS_H
kandangath 0:ca5a0fee9f52 8
kandangath 0:ca5a0fee9f52 9 #include <stdint.h>
kandangath 0:ca5a0fee9f52 10 #include "mbed.h"
kandangath 0:ca5a0fee9f52 11
kandangath 4:19689187352e 12 enum interruptTrigger{
kandangath 4:19689187352e 13 INT_FALL = 0,
kandangath 4:19689187352e 14 INT_RISE = 1
kandangath 4:19689187352e 15 };
kandangath 4:19689187352e 16
kandangath 0:ca5a0fee9f52 17 class DebounceInterrupts {
kandangath 0:ca5a0fee9f52 18 private:
kandangath 0:ca5a0fee9f52 19 unsigned int fDebounce_us;
kandangath 0:ca5a0fee9f52 20 void (*fCallback)(void);
kandangath 3:e4b7033508d1 21 void _onInterrupt(void);
kandangath 0:ca5a0fee9f52 22 public:
kandangath 4:19689187352e 23 DebounceInterrupts(void (*fptr)(void), /* function to be called after debounced InterruptIn */
kandangath 4:19689187352e 24 InterruptIn *interrupt, /* InterruptIn to monitor */
kandangath 4:19689187352e 25 const interruptTrigger& trigger, /* true: rise, false: fall */
kandangath 4:19689187352e 26 const uint32_t& debounce_ms=10); /* stability duration required */
kandangath 0:ca5a0fee9f52 27 ~DebounceInterrupts();
kandangath 0:ca5a0fee9f52 28 };
kandangath 0:ca5a0fee9f52 29 #endif