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Test format of anime data

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This commit is contained in:
Luke
2020-06-03 20:30:50 +12:00
parent 42bf22f76a
commit fe0f8568bc
5 changed files with 171 additions and 10 deletions
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52
aura/src/animatrix_dbus.rs
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@@ -11,7 +11,49 @@ use std::{thread, time::Duration};
pub const ANIME_PANE1_PREFIX: [u8; 7] = [0x5e, 0xc0, 0x02, 0x01, 0x00, 0x73, 0x02];
pub const ANIME_PANE2_PREFIX: [u8; 7] = [0x5e, 0xc0, 0x02, 0x74, 0x02, 0x73, 0x02];
/// Simplified way to write a effect block
/// Interface for the AniMe dot-matrix display
///
/// The resolution is 34x56 (1904) but only 1,215 LEDs in the top-left are used.
/// The display is available only on select GA401 models.
///
/// Amory crate assumes first row is 33 pixels/bytes, this means the actual structure
/// likely follows this format with every second line offset physically by half.
/// Even rows (mod 1) are aligned right, odd are offset left by half (`..=` is inclusive)
///
/// - 0..=32, row 0, 33 pixels // len starts at 37 if using formula
/// - 33..=66, row 1, 33 pixels
/// - 68..=101, row 2, 33 pixels
/// - 101..=134, row 3, 33 pixels
/// - 135..=168, row 4, 33 pixels
/// - 169..=202, row 5, 33 pixels // Should be last offset line?
/// - 203..=236, row 6, 33 pixels
/// - 237..=268, row 7, 31 pixels -2 px from last
/// - 269..=301, row 8, 32 pixels +1 px from last
/// - 302..=332, row 9, 30 pixels -2
/// - 333..=364, row 10, 31 pixels +1
/// - 365..=394, row 11, 29 pixels -2
/// - 395..=425, row 12, 30 pixels +1
/// - 426..=454, row 13, 28 pixels -2
/// - 455..=484, row 14, 29 pixels +1
/// - 485..=512, row 15, 27 pixels -2
/// - 513..=541, row 16, 28 pixels +1
/// - 542..=568, row 17, 26 pixels -2
/// - 569..=596, row 18, 27 pixels +1
/// - 597..=622, row 19, 25 pixels -2
/// - BEGIN NEXT BLOCK AT IDX627 (when writing out the one dimensional array)
/// - 623..=649, row 20, 26 pixels +1
/// - .. 57 rows (from 0)
///
/// Image is 33x56, and
///
/// The formula below starts at row 7
/// ```
/// if current_row_idx != 0 && current_row_idx.mod(1) == 0
/// then current_row_len = last_row_len + 1
/// else current_row_len = last_row_len - 2, // offset left by half
/// ```
///
/// Data structure should be nested array of [[u8; 33]; 56]
pub struct AniMeDbusWriter {
connection: Box<Connection>,
block_time: u64,
@@ -29,7 +71,7 @@ impl AniMeDbusWriter {
})
}
pub fn write_image_to_buf(_buf: &mut [[u8; 640]; 2], _image_data: &[u8]) {
pub fn write_image_to_buf(_buf: &mut AniMePacketType, _image_data: &[u8]) {
unimplemented!("Image format is in progress of being worked out")
}
@@ -44,12 +86,12 @@ impl AniMeDbusWriter {
/// # Note:
/// The vectors are expected to contain the full sequence of bytes as follows
///
/// - Write pane 1: 0x5e 0xc0 0x02 0x01 0x00 0x73 0x02 .. <led brightness>
/// - Write pane 2: 0x5e 0xc0 0x02 0x74 0x02 0x73 0x02 .. <led brightness>
/// - Write packet 1: 0x5e 0xc0 0x02 0x01 0x00 0x73 0x02 .. <led brightness>
/// - Write packet 2: 0x5e 0xc0 0x02 0x74 0x02 0x73 0x02 .. <led brightness>
///
/// Where led brightness is 0..255, low to high
#[inline]
pub fn write_image(&mut self, image: &mut [[u8; 640]; 2]) -> Result<(), Box<dyn Error>> {
pub fn write_image(&mut self, image: &mut AniMePacketType) -> Result<(), Box<dyn Error>> {
if image[0][0] != ANIME_PANE1_PREFIX[0] && image[0][6] != ANIME_PANE1_PREFIX[6] {
image[0][..7].copy_from_slice(&ANIME_PANE1_PREFIX);
}