jim hamblen
Pushbutton demo using internal pullup feature
main.cpp@0:0cc4122581e7, 2011-09-20 (annotated)
- Committer:
- 4180_1
- Date:
- Tue Sep 20 13:52:11 2011 +0000
- Revision:
- 0:0cc4122581e7
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| 4180_1 | 0:0cc4122581e7 | 1 | #include "mbed.h" |
| 4180_1 | 0:0cc4122581e7 | 2 | |
| 4180_1 | 0:0cc4122581e7 | 3 | DigitalOut myled(LED1); |
| 4180_1 | 0:0cc4122581e7 | 4 | DigitalIn pb(p8); |
| 4180_1 | 0:0cc4122581e7 | 5 | // SPST Pushbutton demo using internal PullUp function |
| 4180_1 | 0:0cc4122581e7 | 6 | // no external PullUp resistor needed |
| 4180_1 | 0:0cc4122581e7 | 7 | // Pushbutton from P8 to GND. |
| 4180_1 | 0:0cc4122581e7 | 8 | int main() { |
| 4180_1 | 0:0cc4122581e7 | 9 | pb.mode(PullUp); |
| 4180_1 | 0:0cc4122581e7 | 10 | while(1) { |
| 4180_1 | 0:0cc4122581e7 | 11 | myled = pb; |
| 4180_1 | 0:0cc4122581e7 | 12 | } |
| 4180_1 | 0:0cc4122581e7 | 13 | } |