Val Glynn / Mbed 2 deprecated 2_3_Original_Code

CA 2.3 Original Code

Dependencies:   mbed

main.cpp

Committer:
vmg
Date:
2020-07-26
Revision:
0:6855a1935929

File content as of revision 0:6855a1935929:

#include "mbed.h"

InterruptIn joystickcenter(p14); 
InterruptIn button(p9);
 
DigitalOut led(LED1); DigitalOut flash(LED4);

void flip() {
led = !led; // toggles the led when the joystick button is pressed.
}

int main() {
joystickcenter.rise(&flip); // attach the function address to the rising edge 
button.mode(PullUp);  // With this, no external pullup resistor needed 
button.rise(&flip);    // attach the function address to the rising edge 
while(1) {    // wait around, interrupts will interrupt this!
flash = !flash; // turns LED4 on if off, off if on
wait(0.25); // the instruction to wait for a quarter-second
}
}