joe carter
h_and_c_files/Counter.cpp@2:a079de4fd5b9, 2010-08-20 (annotated)
- Committer:
- joe
- Date:
- Fri Aug 20 15:38:52 2010 +0000
- Revision:
- 2:a079de4fd5b9
- Parent:
- 0:960b355eaa84
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| joe | 0:960b355eaa84 | 1 | #include "mbed.h" |
| joe | 0:960b355eaa84 | 2 | #include "Counter.h" |
| joe | 0:960b355eaa84 | 3 | |
| joe | 0:960b355eaa84 | 4 | Counter::Counter(PinName pin) |
| joe | 0:960b355eaa84 | 5 | : _interrupt (pin) { |
| joe | 0:960b355eaa84 | 6 | |
| joe | 0:960b355eaa84 | 7 | // attach rising edge to rising function |
| joe | 0:960b355eaa84 | 8 | _interrupt.rise(this, &Counter::rising); |
| joe | 0:960b355eaa84 | 9 | |
| joe | 0:960b355eaa84 | 10 | // Initialise the counter to 0 |
| joe | 0:960b355eaa84 | 11 | _count = 0; |
| joe | 0:960b355eaa84 | 12 | } |
| joe | 0:960b355eaa84 | 13 | |
| joe | 0:960b355eaa84 | 14 | // On a rising edge, increment the counter |
| joe | 0:960b355eaa84 | 15 | void Counter::rising() { |
| joe | 0:960b355eaa84 | 16 | _count++; |
| joe | 0:960b355eaa84 | 17 | } |
| joe | 0:960b355eaa84 | 18 | |
| joe | 0:960b355eaa84 | 19 | // return the current count |
| joe | 0:960b355eaa84 | 20 | int Counter::read() { |
| joe | 0:960b355eaa84 | 21 | return _count; |
| joe | 0:960b355eaa84 | 22 | } |
| joe | 0:960b355eaa84 | 23 | |
| joe | 0:960b355eaa84 | 24 | // Reset the counter |
| joe | 0:960b355eaa84 | 25 | void Counter::reset() { |
| joe | 0:960b355eaa84 | 26 | _count = 0; |
| joe | 0:960b355eaa84 | 27 | } |
| joe | 0:960b355eaa84 | 28 |