CTU_FEL_B3B38LPE_2018 / Mbed 2 deprecated mbed_button_int

NUCLEO-F042K6 Simple demo with button interrupt input

Dependencies:   mbed

main.cpp

Committer:
vodsejak
Date:
2018-02-17
Revision:
1:129f63c021d8
Parent:
0:32b38fc2ecec

File content as of revision 1:129f63c021d8:

#include "mbed.h"
/*******************************************************************************

  EXAMPLE DESCRIPTION

  Sets digital in on PA_0 with internal pull up. On falling edge (button press) 
  interrupt that toggles onboard LED is called.
  
*******************************************************************************/
InterruptIn button(PA_0); // deffition of interrupt

DigitalOut LED(LED1); // definition of digital out pin

// toggles LED
void pressed() {
    LED=!LED;
}

int main()
{
    button.fall(&pressed); // Set button interrupt
    button.mode(PullUp); // set internal pull up
    while(1) {
    // can do other things
    }

}