PortIn Hello World

Dependencies:   mbed

Fork of PortIn_HelloWorld by mbed official

Committer:
mbed_official
Date:
Tue Feb 12 12:08:15 2013 +0000
Revision:
0:92064442fd12
PortIn HelloWorld

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:92064442fd12 1 // Switch on an LED if any of mbed pins 21-26 is high
mbed_official 0:92064442fd12 2
mbed_official 0:92064442fd12 3 #include "mbed.h"
mbed_official 0:92064442fd12 4
mbed_official 0:92064442fd12 5 PortIn p(Port2, 0x0000003F); // p21-p26
mbed_official 0:92064442fd12 6 DigitalOut ind(LED4);
mbed_official 0:92064442fd12 7
mbed_official 0:92064442fd12 8 int main() {
mbed_official 0:92064442fd12 9 while(1) {
mbed_official 0:92064442fd12 10 int pins = p.read();
mbed_official 0:92064442fd12 11 if(pins) {
mbed_official 0:92064442fd12 12 ind = 1;
mbed_official 0:92064442fd12 13 } else {
mbed_official 0:92064442fd12 14 ind = 0;
mbed_official 0:92064442fd12 15 }
mbed_official 0:92064442fd12 16 }
mbed_official 0:92064442fd12 17 }