tomasz gurajek
/
lab2020interrupt_experiment_joystic_modyfied
tomasz_gurajek
Diff: main.cpp
- Revision:
- 0:db463baf4187
diff -r 000000000000 -r db463baf4187 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Sat Aug 01 12:03:56 2020 +0000 @@ -0,0 +1,27 @@ +#include "mbed.h" +#include "C12832.h" +int i; +C12832 lcd(p5,p6,p7,p8,p11); +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. + i = 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(i==1){ + lcd.locate(0,0); + lcd.printf("Button pressed"); + i=0; + } + flash = !flash; // turns LED4 on if off, off if on + wait(0.25); // the instruction to wait for a quarter-second + } +} +