shorten signals to one char each; add binary tree keyboard

rotary-kb.py

@@ -7,7 +7,7 @@ from pynput import mouse, keyboard
 PORT = "/dev/ttyACM1"
 
 keys = list(" abcdefghijklmnopqrstuvwxyz") + [keyboard.Key.enter, keyboard.Key.backspace]
-keys_display = " abcdefghijklmnopqrstuvwxyz\\<"
+keys_display = "_abcdefghijklmnopqrstuvwxyz⏎<"
 
 kb = keyboard.Controller()
 arduino = serial.Serial(port=PORT, baudrate=9600, timeout=.1)
@@ -34,15 +34,15 @@ def print_state():
 print_state()
 
 while True:
-	event = arduino.readline().decode("utf-8").replace("\r\n", "")
+	event = arduino.read().decode("utf-8")
-	if event == "cw":
+	if event == "r":
 		pos = (pos + 1) % len(keys)
-	elif event == "ccw":
+	elif event == "l":
 		pos = (pos - 1 + len(keys)) % len(keys)
-	elif event == "down":
+	elif event == "d":
 		kb.press(keys[pos])
 		active_btn = pos
-	elif event == "up":
+	elif event == "u":
 		kb.release(keys[active_btn])
 		active_btn = -1
 	

src/main.cpp

@@ -25,24 +25,25 @@ void loop() {
 	int a = digitalRead(PIN_A);
 	if (a != prev_a){ // Means the knob is rotating
 		if (digitalRead(PIN_B) != a) {	// Means pin A changed first - rotating clockwise
-			Serial.println("cw");
+			Serial.print("r");
 		} else {// Otherwise B changed first - counter clockwise
-			Serial.println("ccw");
+			Serial.print("l");
 		}
 	}
 
 	int btn = digitalRead(PIN_BTN);
 	if (btn != prev_btn) {
 		if (btn) {
-			Serial.println("up");
+			Serial.print("u");
 		}
 		else {
-			Serial.println("down");
+			Serial.print("d");
 		}
 	}
 
 	prev_btn = btn;
 	prev_a = a;
+	delay(5);
 }
 
 // void debug_signal() {

treeboard/.gitignore

@@ -0,0 +1 @@
+/target

treeboard/Cargo.lock

@@ -0,0 +1,192 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
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+ "core-foundation-sys",
+ "libc",
+]
+
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+ "bitflags",
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+ "libc",
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+ "core-graphics",
+ "libc",
+ "objc",
+ "pkg-config",
+ "unicode-segmentation",
+ "winapi",
+]
+
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+ "foreign-types-shared",
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+ "libc",
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+ "libc",
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+ "serial-core",
+ "serial-unix",
+ "serial-windows",
+]
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+ "libc",
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+ "ioctl-rs",
+ "libc",
+ "serial-core",
+ "termios",
+]
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+ "serial-core",
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+ "libc",
+]
+
+[[package]]
+name = "treeboard"
+version = "0.1.0"
+dependencies = [
+ "enigo",
+ "serial",
+]
+
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+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
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treeboard/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "treeboard"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+enigo = "0.0.14"
+serial = "0.4.0"

treeboard/src/main.rs

@@ -0,0 +1,166 @@
+use std::io::Read;
+use enigo::*;
+
+
+fn main() {
+	let port = "/dev/ttyACM1";
+	println!("Connecting to arduino on port {}...", port);
+	let connection = serial::open(port);
+	if connection.is_err() {
+		println!("Connection failed {}", connection.err().unwrap());
+		return;
+	}
+
+	let mut connection = connection.unwrap();
+	let mut board = Treeboard::new();
+	board.print();
+	loop {
+		let mut recieved = [0; 1];
+		if let Ok(_count) = connection.read(&mut recieved) {
+			let data = String::from_utf8(recieved.into()).unwrap();
+			match data.chars().next().unwrap() {
+				'r' => board.right(),
+				'l' => board.left(),
+				'd' => board.press(),
+				'u' => board.release(),
+				_ => ()
+			}
+		}
+	}
+}
+
+struct Treeboard {
+	input: Enigo,
+	pressed: bool,
+	keys: Vec<KeyNode>,
+	pos: usize,
+}
+
+struct KeyNode {
+	name: String,
+	key: Key,
+	right: usize,
+	left: usize,
+}
+
+impl KeyNode {
+	fn new(name: &str, key: Key, right: usize, left: usize) -> Self {
+		Self {
+			name: name.to_owned(),
+			key, right, left,
+		}
+	}
+}
+
+
+impl Treeboard {
+	fn new() -> Self {
+		let keys = vec![
+			KeyNode::new("_", Key::Space, 1, 2),
+
+			KeyNode::new("E", Key::Layout('e'), 3, 4),
+			KeyNode::new("A", Key::Layout('a'), 5, 6),
+
+			KeyNode::new("R", Key::Layout('r'), 7, 8),
+			KeyNode::new("I", Key::Layout('i'), 9, 10),
+			KeyNode::new("O", Key::Layout('o'), 11, 12),
+			KeyNode::new("T", Key::Layout('t'), 13, 14),
+
+			KeyNode::new("N", Key::Layout('n'), 15, 16),
+			KeyNode::new("S", Key::Layout('s'), 17, 18),
+			KeyNode::new("L", Key::Layout('l'), 19, 20),
+			KeyNode::new("C", Key::Layout('c'), 21, 22),
+			KeyNode::new("U", Key::Layout('u'), 23, 24),
+			KeyNode::new("D", Key::Layout('d'), 25, 26),
+			KeyNode::new("P", Key::Layout('p'), 27, 28),
+			KeyNode::new("M", Key::Layout('m'), 29, 30),
+
+			KeyNode::new("H", Key::Layout('h'), 0, 0),
+			KeyNode::new("G", Key::Layout('g'), 0, 0),
+			KeyNode::new("B", Key::Layout('b'), 0, 0),
+			KeyNode::new("F", Key::Layout('f'), 0, 0),
+			KeyNode::new("Y", Key::Layout('y'), 0, 0),
+			KeyNode::new("W", Key::Layout('w'), 0, 0),
+			KeyNode::new("K", Key::Layout('k'), 0, 0),
+			KeyNode::new("V", Key::Layout('v'), 0, 0),
+			KeyNode::new("X", Key::Layout('x'), 0, 0),
+			KeyNode::new("Z", Key::Layout('z'), 0, 0),
+			KeyNode::new("J", Key::Layout('j'), 0, 0),
+			KeyNode::new("Q", Key::Layout('q'), 0, 0),
+			KeyNode::new(",", Key::Layout(','), 0, 0),
+			KeyNode::new(".", Key::Layout('.'), 0, 0),
+			KeyNode::new("⏎", Key::Return, 0, 0),
+			KeyNode::new("<", Key::Backspace, 0, 0),
+		];
+
+		Self {
+			input: Enigo::new(),
+			pressed: false,
+			keys,
+			pos: 0,
+		}
+	}
+
+	fn print(&self) {
+		println!("\n\n\n\n");
+		let mut depth = 4;
+		let mut row = Vec::new();
+		row.push(0);
+		loop {
+			if depth != 0 {
+				print!(" ");
+			}
+			if depth > 1 {
+				for _ in 0..(2usize.pow(depth-1)-1) {
+					print!("  ");
+				}
+			}
+			let mut next_row = Vec::new();
+			for k in row {
+				next_row.push(self.keys[k].left);
+				next_row.push(self.keys[k].right);
+				let name = &self.keys[k].name;
+				if k == self.pos {
+					print!("{})", name);
+				}
+				else {
+					print!("{} ", name);
+				}
+				for _ in 0..(2usize.pow(depth)-1) {
+					print!("  ");
+				}
+			}
+			println!("");
+			row = next_row;
+			if depth == 0 {
+				break;
+			}
+			depth -= 1;
+		}
+
+	}
+
+	fn right(&mut self) {
+		self.move_to(self.keys[self.pos].right);
+	}
+
+	fn left(&mut self) {
+		self.move_to(self.keys[self.pos].left);
+	}
+	
+	fn move_to(&mut self, new_pos: usize) {
+		if new_pos < self.keys.len() && !self.pressed {
+			self.pos = new_pos;
+			self.print()
+		}
+	}
+
+	fn press(&mut self) {
+		self.input.key_down(self.keys[self.pos].key);
+	}
+
+	fn release(&mut self) {
+		self.input.key_up(self.keys[self.pos].key);
+		self.move_to(0);
+	}
+}