54 lines
1.6 KiB
Rust
54 lines
1.6 KiB
Rust
#![no_std]
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#![allow(non_upper_case_globals)]
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//Include the Arduboy Library
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//Initialize the arduboy object
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use arduboy_rust::prelude::*;
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//Initialize our counter variable
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static mut counter: c_int = 0;
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//The setup() function runs once when you turn your Arduboy on
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#[no_mangle]
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pub unsafe extern "C" fn setup() {
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//Start the Arduboy properly and display the Arduboy logo
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arduboy.begin();
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//Get rid of the Arduboy logo and clear the screen
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arduboy.clear();
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//Assign our counter variable to be equal to 0
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counter = 0;
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//Set framerate to 10
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arduboy.set_frame_rate(10);
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}
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//The loop() function repeats forever after setup() is done
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#[no_mangle]
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#[export_name = "loop"]
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pub unsafe extern "C" fn loop_() {
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//Skip cycles not in the framerate
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if !arduboy.next_frame() {
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return;
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}
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//Clear whatever is printed on the screen
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arduboy.clear();
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//Check if the UP_BUTTON is being pressed
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if UP.pressed() {
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//Increase counter by 1
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counter = counter + 1;
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}
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//Check if the DOWN_BUTTON is being pressed
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if DOWN.pressed() {
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//Decrease counter
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counter = counter - 1;
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}
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//Check if counter is equal to 36
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if counter == 36 {
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//Move the cursor to the position 30, 30 of the screen
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arduboy.set_cursor(30, 30);
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//Printing the yay (important always put the \0 at the end for &str)
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arduboy.print(f!(b"Yay!\0"));
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}
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//Move the cursor back to the top-left of the screen
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arduboy.set_cursor(0, 0);
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//Print out the value of counter
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arduboy.print(counter);
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//Refresh the screen to show whatever's printed to it
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arduboy.display();
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}
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