Michael Mc Namara
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mbed_interrrupt
T00221592 Winter Lab1 Interrupt Code
Diff: main.cpp
- Revision:
- 0:a5b3abcdc569
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Dec 21 10:02:49 2021 +0000 @@ -0,0 +1,23 @@ +#include "mbed.h" +#include "C12832.h" +InterruptIn joystickcenter(p14); +InterruptIn button(p9); +DigitalOut led(LED1); +DigitalOut flash(LED4); +Timer debounce; +void flip() { + if (debounce.read_ms() > 1000){ + led = !led;// toggles the led when the joystick button is pressed. +} +debounce.reset(); +} +int main() { + debounce.start(); + 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 + } +} \ No newline at end of file