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Dependents: Microwave_MBED MicrowaveSimulation_LPC1768 RTOS_Alarm_Clock USB_Project_Host ... more
DebouncedInterrupt.h
- Committer:
- kandangath
- Date:
- 2014-02-18
- Revision:
- 17:96a51b236ba0
- Parent:
- 16:7eaa188de0f9
File content as of revision 17:96a51b236ba0:
/** A replacement for InterruptIn that debounces the interrupt * Anil Kandangath * * @code * * #include "DebouncedInterrupt.h" * * DebouncedInterrupt up_button(p15); * * void onUp() * { * // Do Something * } * * int main() * { * up_button.attach(&onUp, 100); * while(1) { * ... * } * } * @endcode */ #ifndef DEBOUNCED_INTERRUPT_H #define DEBOUNCED_INTERRUPT_H #include <stdint.h> #include "mbed.h" class DebouncedInterrupt { private: unsigned int _debounce_us; InterruptIn *_in; DigitalIn *_din; // Diagnostics volatile unsigned int _bounce_count; volatile unsigned int _last_bounce_count; void (*fCallback)(void); void _onInterrupt(void); void _callback(void); public: DebouncedInterrupt(PinName pin); ~DebouncedInterrupt(); // Start monitoring the interupt and attach a callback void attach(void (*fptr)(void), const uint32_t& debounce_ms=10); // Stop monitoring the interrupt void reset(); /* * Get number of bounces * @return: bounce count */ unsigned int get_bounce(); }; #endif