mbed_example / Mbed OS DigitalIn_HelloWorld

DigitalIn Hello World

Fork of DigitalIn_HelloWorld_Mbed by Mbed

Use

The DigitalIn API is used to read a digital pin. The value will be either 0 or 1. Buttons and switches are some of the more common digital inputs.

API

API reference.

Import librarymbed

No documentation found.

main.cpp@3:e2f865861a7a, 2014-09-21 (annotated)

Committer:
mbedAustin
Date:
Sun Sep 21 19:20:53 2014 +0000
Revision:
3:e2f865861a7a
Parent:
0:aaf5a9d465fd
Child:
4:9b20ef58e04c
added comment for clarity

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:aaf5a9d465fd 1 #include "mbed.h"
mbed_official 0:aaf5a9d465fd 2
mbed_official 0:aaf5a9d465fd 3 DigitalIn enable(p5);
mbed_official 0:aaf5a9d465fd 4 DigitalOut led(LED1);
mbed_official 0:aaf5a9d465fd 5
mbedAustin 3:e2f865861a7a 6 // blink LED when enable line is high
mbed_official 0:aaf5a9d465fd 7 int main() {
mbed_official 0:aaf5a9d465fd 8 while(1) {
mbed_official 0:aaf5a9d465fd 9 if(enable) {
mbed_official 0:aaf5a9d465fd 10 led = !led;
mbed_official 0:aaf5a9d465fd 11 }
mbed_official 0:aaf5a9d465fd 12 wait(0.25);
mbed_official 0:aaf5a9d465fd 13 }
mbed_official 0:aaf5a9d465fd 14 }