Debounce InterruptIn
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DebounceInterrupts.cpp@7:2d73e219dadf, 2014-02-18 (annotated)
- Committer:
- kandangath
- Date:
- Tue Feb 18 07:00:07 2014 +0000
- Revision:
- 7:2d73e219dadf
- Parent:
- 6:e1461ccdf3c0
- Child:
- 8:4b3ff16d5f91
Add counter for debounced interrupts
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kandangath | 0:ca5a0fee9f52 | 1 | #include "DebounceInterrupts.h" |
kandangath | 0:ca5a0fee9f52 | 2 | |
kandangath | 0:ca5a0fee9f52 | 3 | Timeout timeout; |
kandangath | 0:ca5a0fee9f52 | 4 | |
kandangath | 0:ca5a0fee9f52 | 5 | DebounceInterrupts::DebounceInterrupts(void (*fptr)(void), |
kandangath | 0:ca5a0fee9f52 | 6 | InterruptIn *interruptIn, |
kandangath | 4:19689187352e | 7 | const interruptTrigger& trigger, |
kandangath | 0:ca5a0fee9f52 | 8 | const unsigned int& debounce_ms) |
kandangath | 0:ca5a0fee9f52 | 9 | { |
kandangath | 0:ca5a0fee9f52 | 10 | fCallback = fptr; |
kandangath | 7:2d73e219dadf | 11 | _debounce_count = 0; |
kandangath | 4:19689187352e | 12 | |
kandangath | 4:19689187352e | 13 | switch(trigger) { |
kandangath | 4:19689187352e | 14 | case INT_RISE: |
kandangath | 3:e4b7033508d1 | 15 | interruptIn->rise(this, &DebounceInterrupts::_onInterrupt); |
kandangath | 4:19689187352e | 16 | break; |
kandangath | 4:19689187352e | 17 | case INT_FALL: |
kandangath | 3:e4b7033508d1 | 18 | interruptIn->fall(this, &DebounceInterrupts::_onInterrupt); |
kandangath | 4:19689187352e | 19 | break; |
kandangath | 4:19689187352e | 20 | default: |
kandangath | 4:19689187352e | 21 | break; |
kandangath | 0:ca5a0fee9f52 | 22 | } |
kandangath | 4:19689187352e | 23 | |
kandangath | 7:2d73e219dadf | 24 | _debounce_us = 1000*debounce_ms; |
kandangath | 0:ca5a0fee9f52 | 25 | } |
kandangath | 0:ca5a0fee9f52 | 26 | |
kandangath | 0:ca5a0fee9f52 | 27 | DebounceInterrupts::~DebounceInterrupts() |
kandangath | 0:ca5a0fee9f52 | 28 | { |
kandangath | 0:ca5a0fee9f52 | 29 | } |
kandangath | 0:ca5a0fee9f52 | 30 | |
kandangath | 7:2d73e219dadf | 31 | void DebounceInterrupts::_callback() |
kandangath | 7:2d73e219dadf | 32 | { |
kandangath | 7:2d73e219dadf | 33 | _debounce_count = 0; |
kandangath | 7:2d73e219dadf | 34 | fCallback(); |
kandangath | 7:2d73e219dadf | 35 | } |
kandangath | 7:2d73e219dadf | 36 | |
kandangath | 3:e4b7033508d1 | 37 | void DebounceInterrupts::_onInterrupt() |
kandangath | 0:ca5a0fee9f52 | 38 | { |
kandangath | 7:2d73e219dadf | 39 | _debounce_count++; |
kandangath | 7:2d73e219dadf | 40 | timeout.attach_us(this, &DebounceInterrupts::_callback, _debounce_us); |
kandangath | 7:2d73e219dadf | 41 | } |
kandangath | 7:2d73e219dadf | 42 | |
kandangath | 7:2d73e219dadf | 43 | unsigned int DebounceInterrupts::get_debounce() |
kandangath | 7:2d73e219dadf | 44 | { |
kandangath | 7:2d73e219dadf | 45 | return _debounce_count; |
kandangath | 7:2d73e219dadf | 46 | } |