Jose Rios
/
Nucleo_DigitalRead
Read a digital value using the button
main.cpp@0:56ee1a2414d7, 2014-09-08 (annotated)
- Committer:
- jose_23991
- Date:
- Mon Sep 08 17:36:20 2014 +0000
- Revision:
- 0:56ee1a2414d7
Version 1.0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jose_23991 | 0:56ee1a2414d7 | 1 | #include "mbed.h" |
jose_23991 | 0:56ee1a2414d7 | 2 | |
jose_23991 | 0:56ee1a2414d7 | 3 | int main() |
jose_23991 | 0:56ee1a2414d7 | 4 | { |
jose_23991 | 0:56ee1a2414d7 | 5 | DigitalIn button(USER_BUTTON, PullUp); // Create the button object and setup internall pull-up resistor |
jose_23991 | 0:56ee1a2414d7 | 6 | DigitalOut led(LED1, 0); // Create the LED object and setup OFF |
jose_23991 | 0:56ee1a2414d7 | 7 | |
jose_23991 | 0:56ee1a2414d7 | 8 | while(1) |
jose_23991 | 0:56ee1a2414d7 | 9 | { |
jose_23991 | 0:56ee1a2414d7 | 10 | if(button == 0) // Button is pressed |
jose_23991 | 0:56ee1a2414d7 | 11 | { |
jose_23991 | 0:56ee1a2414d7 | 12 | wait_ms(500); // Wait 500ms to debounce |
jose_23991 | 0:56ee1a2414d7 | 13 | led = !led; // Toggle the LED state |
jose_23991 | 0:56ee1a2414d7 | 14 | } |
jose_23991 | 0:56ee1a2414d7 | 15 | } |
jose_23991 | 0:56ee1a2414d7 | 16 | } |