64 lines
2.3 KiB
Rust
64 lines
2.3 KiB
Rust
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use crate::{BitVec, Header, Packet, PixelGrid, ToPacket};
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/// A window
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#[derive(Debug)]
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pub struct Window(pub Origin, pub Size);
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/// An origin marks the top left position of the
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/// data sent to the display.
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/// A window
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#[derive(Debug)]
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pub struct Origin(pub u16, pub u16);
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/// Size defines the width and height of a window
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/// A window
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#[derive(Debug)]
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pub struct Size(pub u16, pub u16);
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type Offset = u16;
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type Brightness = u8;
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#[derive(Debug)]
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pub enum Command {
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Clear,
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HardReset,
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FadeOut,
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CharBrightness(Window, Vec<Brightness>),
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Brightness(Brightness),
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BitmapLinear(Offset, BitVec),
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BitmapLinearAnd(Offset, BitVec),
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BitmapLinearOr(Offset, BitVec),
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BitmapLinearXor(Offset, BitVec),
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Cp437Data(Window, Vec<u8>),
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BitmapLinearWin(Window, PixelGrid),
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}
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fn offset_and_payload(command: u16, offset: Offset, payload: Vec<u8>) -> Packet {
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Packet(Header(command, offset, payload.len() as u16, 0, 0), payload)
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}
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fn window_and_payload(command: u16, window: Window, payload: Vec<u8>) -> Packet {
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let Window(Origin(x, y), Size(w, h)) = window;
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Packet(Header(command, x, y, w, h), payload.into())
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}
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impl ToPacket for Command {
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fn to_packet(self) -> Packet {
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match self {
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Command::Clear => Packet(Header(0x0002, 0x0000, 0x0000, 0x0000, 0x0000), vec!()),
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Command::CharBrightness(window, payload) => window_and_payload(0x0005, window, payload),
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Command::Brightness(brightness) => Packet(Header(0x0007, 0x00000, 0x0000, 0x0000, 0x0000), vec!(brightness)),
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Command::HardReset => Packet(Header(0x000b, 0x0000, 0x0000, 0x0000, 0x0000), vec!()),
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Command::FadeOut => Packet(Header(0x000d, 0x0000, 0x0000, 0x0000, 0x0000), vec!()),
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Command::BitmapLinear(offset, bits) => offset_and_payload(0x0012, offset, bits.into()),
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Command::BitmapLinearWin(window, pixels) => window_and_payload(0x0013, window, pixels.into()),
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Command::BitmapLinearAnd(offset, bits) => offset_and_payload(0x0014, offset, bits.into()),
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Command::BitmapLinearOr(offset, bits) => offset_and_payload(0x0015, offset, bits.into()),
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Command::BitmapLinearXor(offset, bits) => offset_and_payload(0x0016, offset, bits.into()),
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Command::Cp437Data(window, payload) => window_and_payload(0x0003, window, payload),
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}
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}
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}
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