Chris Byrne / Mbed 2 deprecated TimerDebounce_Lab

Dependencies:   mbed C12832

main.cpp@0:6e4b35c64edd, 2020-08-07 (annotated)

Committer:
chbyrne79
Date:
Fri Aug 07 09:50:24 2020 +0000
Revision:
0:6e4b35c64edd
Child:
1:4cc86a20ec45
Timer_Debounce_Lab

Who changed what in which revision?

UserRevisionLine numberNew contents of line
chbyrne79 0:6e4b35c64edd 1 #include "mbed.h"
chbyrne79 0:6e4b35c64edd 2 #include "C12832.h"
chbyrne79 0:6e4b35c64edd 3
chbyrne79 0:6e4b35c64edd 4 C12832 lcd(p5, p7, p6, p8, p11);
chbyrne79 0:6e4b35c64edd 5 InterruptIn joystickcenter(p14);
chbyrne79 0:6e4b35c64edd 6 InterruptIn button(p9);
chbyrne79 0:6e4b35c64edd 7 DigitalOut led(LED1);
chbyrne79 0:6e4b35c64edd 8 DigitalOut flash(LED4);
chbyrne79 0:6e4b35c64edd 9 Timer debounce;
chbyrne79 0:6e4b35c64edd 10 int x;
chbyrne79 0:6e4b35c64edd 11
chbyrne79 0:6e4b35c64edd 12
chbyrne79 0:6e4b35c64edd 13 void flip(){
chbyrne79 0:6e4b35c64edd 14 debounce.start();
chbyrne79 0:6e4b35c64edd 15 if (debounce.read_ms()>=5) {
chbyrne79 0:6e4b35c64edd 16 led = !led; // toggles the led when the joystick button is pressed.
chbyrne79 0:6e4b35c64edd 17 x=1;
chbyrne79 0:6e4b35c64edd 18 debounce.reset();
chbyrne79 0:6e4b35c64edd 19 }
chbyrne79 0:6e4b35c64edd 20 }
chbyrne79 0:6e4b35c64edd 21
chbyrne79 0:6e4b35c64edd 22 int main() {
chbyrne79 0:6e4b35c64edd 23 joystickcenter.rise(&flip);
chbyrne79 0:6e4b35c64edd 24 // attach the function address to the rising edge button.mode(PullUp);
chbyrne79 0:6e4b35c64edd 25 // With this, no external pullup resistor needed button.rise(&flip);
chbyrne79 0:6e4b35c64edd 26 // attach the function address to the rising edge
chbyrne79 0:6e4b35c64edd 27 while(1) { // wait around, interrupts will interrupt this!
chbyrne79 0:6e4b35c64edd 28 flash = !flash; // turns LED4 on if off, off if on
chbyrne79 0:6e4b35c64edd 29 if (x==1){
chbyrne79 0:6e4b35c64edd 30 lcd.printf("Timer Debounce");
chbyrne79 0:6e4b35c64edd 31 x=0;
chbyrne79 0:6e4b35c64edd 32 }
chbyrne79 0:6e4b35c64edd 33 wait(0.25); // the instruction to wait for a quarter-second
chbyrne79 0:6e4b35c64edd 34 }
chbyrne79 0:6e4b35c64edd 35
chbyrne79 0:6e4b35c64edd 36 }