Val Glynn
/
2_3_1_Debouncing
CA 2.3.1 Debouncing
main.cpp
- Committer:
- vmg
- Date:
- 2020-07-26
- Revision:
- 0:c85a8aa92f33
File content as of revision 0:c85a8aa92f33:
#include "mbed.h" #include "C12832.h" C12832 lcd(p5,p7,p6,p8,p11); InterruptIn joystickcenter(p14); InterruptIn button(p9); DigitalOut led(LED1); DigitalOut flash(LED4); Timer debounce; int x; void flip(){ debounce.start(); if (debounce.read_ms()>1000) debounce.reset(); led = !led; // toggles the led when the joystick button is pressed. x=1; } 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! if(x==1) { lcd.locate(0,0); lcd.printf("Variable has been SET!"); flash = !flash; // turns LED4 on if off, off if on x=0; wait(0.25); // the instruction to wait for a quarter-second } } }