mirror of
https://gitlab.com/asus-linux/asusctl.git
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79 lines
2.8 KiB
Rust
79 lines
2.8 KiB
Rust
use crate::anime_matrix::AniMePacketType;
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use crate::{DBUS_IFACE, DBUS_NAME, DBUS_PATH};
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use dbus::channel::Sender;
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use dbus::{blocking::Connection, Message};
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use std::error::Error;
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use std::sync::{
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atomic::{AtomicBool, Ordering},
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Arc,
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};
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use std::{thread, time::Duration};
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pub const ANIME_PANE1_PREFIX: [u8; 7] = [0x5e, 0xc0, 0x02, 0x01, 0x00, 0x73, 0x02];
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pub const ANIME_PANE2_PREFIX: [u8; 7] = [0x5e, 0xc0, 0x02, 0x74, 0x02, 0x73, 0x02];
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/// Interface for the AniMe dot-matrix display
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///
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/// The resolution is 34x56 (1904) but only 1,215 LEDs in the top-left are used.
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/// The display is available only on select GA401 models.
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///
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/// Actual image ration when displayed is stretched width.
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///
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/// Data structure should be nested array of [[u8; 33]; 56]
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pub struct AniMeDbusWriter {
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connection: Box<Connection>,
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block_time: u64,
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stop: Arc<AtomicBool>,
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}
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impl AniMeDbusWriter {
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#[inline]
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pub fn new() -> Result<Self, Box<dyn Error>> {
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let connection = Connection::new_system()?;
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Ok(AniMeDbusWriter {
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connection: Box::new(connection),
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block_time: 25,
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stop: Arc::new(AtomicBool::new(false)),
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})
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}
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pub fn write_image_to_buf(_buf: &mut AniMePacketType, _image_data: &[u8]) {
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unimplemented!("Image format is in progress of being worked out")
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}
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/// Write an Animatrix image
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///
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/// The expected input here is *two* Vectors, 640 bytes in length. The two vectors
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/// are each one half of the full image write.
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///
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/// After each write a flush is written, it is assumed that this tells the device to
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/// go ahead and display the written bytes
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///
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/// # Note:
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/// The vectors are expected to contain the full sequence of bytes as follows
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///
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/// - Write packet 1: 0x5e 0xc0 0x02 0x01 0x00 0x73 0x02 .. <led brightness>
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/// - Write packet 2: 0x5e 0xc0 0x02 0x74 0x02 0x73 0x02 .. <led brightness>
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///
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/// Where led brightness is 0..255, low to high
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#[inline]
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pub fn write_image(&mut self, image: &mut AniMePacketType) -> Result<(), Box<dyn Error>> {
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if image[0][0] != ANIME_PANE1_PREFIX[0] && image[0][6] != ANIME_PANE1_PREFIX[6] {
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image[0][..7].copy_from_slice(&ANIME_PANE1_PREFIX);
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}
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if image[1][0] != ANIME_PANE2_PREFIX[0] && image[1][6] != ANIME_PANE2_PREFIX[6] {
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image[1][..7].copy_from_slice(&ANIME_PANE2_PREFIX);
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}
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let mut msg = Message::new_method_call(DBUS_NAME, DBUS_PATH, DBUS_IFACE, "AnimatrixWrite")?
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.append2(image[0].to_vec(), image[1].to_vec());
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msg.set_no_reply(true);
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self.connection.send(msg).unwrap();
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thread::sleep(Duration::from_millis(self.block_time));
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if self.stop.load(Ordering::Relaxed) {
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panic!("Got signal to stop!");
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}
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Ok(())
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}
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}
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