36 lines
1.1 KiB
Rust
36 lines
1.1 KiB
Rust
//! Show a brightness level test pattern on screen
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use clap::Parser;
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use servicepoint::{
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Bitmap, BitmapCommand, Brightness, BrightnessGrid, BrightnessGridCommand,
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Connection, DataRef, Grid, UdpConnection, TILE_HEIGHT, TILE_WIDTH,
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};
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#[derive(Parser, Debug)]
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struct Cli {
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#[arg(short, long, default_value = "localhost:2342")]
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destination: String,
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}
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fn main() {
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let cli = Cli::parse();
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let connection = UdpConnection::open(cli.destination)
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.expect("could not connect to display");
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let mut bitmap = Bitmap::max_sized();
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bitmap.fill(true);
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connection
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.send(BitmapCommand::from(bitmap))
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.expect("send failed");
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let max_brightness: u8 = Brightness::MAX.into();
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let mut brightnesses = BrightnessGrid::new(TILE_WIDTH, TILE_HEIGHT);
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for (index, byte) in brightnesses.data_ref_mut().iter_mut().enumerate() {
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let level = index as u8 % max_brightness;
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*byte = Brightness::try_from(level).unwrap();
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}
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let command: BrightnessGridCommand = brightnesses.into();
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connection.send(command).expect("send failed");
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}
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