MakingMusicWorkshop / Mbed 2 deprecated 2_two_buttons

execute a function when a button is pressed

Dependencies:   mbed

main.cpp@0:49e04b14e729, 2016-05-09 (annotated)

Committer:
maclobdell
Date:
Mon May 09 19:49:13 2016 +0000
Revision:
0:49e04b14e729
initial version - modified from https://github.com/janjongboom/sxsw

Who changed what in which revision?

UserRevisionLine numberNew contents of line
maclobdell 0:49e04b14e729 1 #include "mbed.h" // this tells us to load mbed related functions
maclobdell 0:49e04b14e729 2
maclobdell 0:49e04b14e729 3 DigitalOut red(LED_RED); // we create a variable 'red', use it as an out port
maclobdell 0:49e04b14e729 4 DigitalOut green(LED_GREEN); // we create a variable 'green', use it as an out port
maclobdell 0:49e04b14e729 5
maclobdell 0:49e04b14e729 6 InterruptIn btn2(SW2); // we create a variable 'btn2', use it as an in port
maclobdell 0:49e04b14e729 7 InterruptIn btn3(SW3); // we create a variable 'btn3', use it as an in port
maclobdell 0:49e04b14e729 8
maclobdell 0:49e04b14e729 9 // YOUR CODE HERE
maclobdell 0:49e04b14e729 10
maclobdell 0:49e04b14e729 11 // this code runs when the microcontroller starts up
maclobdell 0:49e04b14e729 12 int main() {
maclobdell 0:49e04b14e729 13 green = red = 1; // turn off green and red on startup (1=off, I know it's weird)
maclobdell 0:49e04b14e729 14
maclobdell 0:49e04b14e729 15 btn2.fall(toggle_red);
maclobdell 0:49e04b14e729 16 btn3.fall(toggle_green);
maclobdell 0:49e04b14e729 17
maclobdell 0:49e04b14e729 18 // spin in a main loop. Wait for interrupts.
maclobdell 0:49e04b14e729 19 while(1) {}
maclobdell 0:49e04b14e729 20 }