mbed_example / Mbed 2 deprecated PortIn_HelloWorld

PortIn Hello World

Dependencies:   mbed

Fork of PortIn_HelloWorld by Mbed

Note

Depending on your board your ports may be named as numbers or as letters. For example the NXP boards have Port1, Port2, Port3...etc but the Freescale boards have PortA, PortB, PortC, PortD. Please refer to the boards Platform page to find out which one your board uses.

API

API reference.

Import librarymbed

No documentation found.

main.cpp@0:92064442fd12, 2013-02-12 (annotated)

Committer:
mbed_official
Date:
Tue Feb 12 12:08:15 2013 +0000
Revision:
0:92064442fd12
Child:
2:e78266d48649
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 }