letter/
letter.rs

1extern crate sensehat_screen;
2
3#[cfg(feature = "default")]
4use sensehat_screen::{font_to_frame, PixelColor, Screen, FONT_COLLECTION};
5#[cfg(feature = "default")]
6use std::thread;
7#[cfg(feature = "default")]
8use std::time::Duration;
9
10#[cfg(not(feature = "default"))]
11fn main() {
12    unimplemented!("This examples needs the 'default' features.");
13}
14
15#[cfg(feature = "default")]
16fn main() {
17    let mut screen = Screen::open("/dev/fb1").unwrap();
18
19    let white_50_pct = PixelColor::WHITE.dim(0.5);
20
21    let letter = "Dear Toño, I am well. Thank you. Bye. - ゆにち";
22
23    let screen_text = FONT_COLLECTION.sanitize_str(letter).unwrap();
24
25    for unicode in screen_text.chars() {
26        if let Some(symbol) = FONT_COLLECTION.get(unicode) {
27            let frame = font_to_frame(symbol.byte_array(), white_50_pct);
28            screen.write_frame(&frame);
29        }
30        thread::sleep(Duration::from_millis(800));
31    }
32}