Start writing web-based debugger

debugging_tool/.editorconfig

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+[*.py]
+indent_style = space
+indent_size = 4

debugging_tool/.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/

debugging_tool/requirements.txt

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+click==7.1.2
+Flask==1.1.2
+itsdangerous==1.1.0
+Jinja2==2.11.2
+MarkupSafe==1.1.1
+pyserial==3.4
+Werkzeug==1.0.1

debugging_tool/server.py

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+from threading import Thread
+from flask import Flask, jsonify, send_file
+from time import sleep
+from dataclasses import dataclass
+from datetime import datetime
+
+app = Flask(__name__)
+shared_message_log = []
+
+
+@dataclass
+class Message:
+    payload: bytes
+    received_from: int
+    received_at: datetime
+    internal_id: int
+
+    def readable_time(self):
+        return self.received_at.strftime('%H:%M:%S')
+
+    def priority_bit(self):
+        return (self.received_from >> 10) & 0b1
+
+    def sender_type(self):
+        return (self.received_from >> 8) & 0b11
+
+    def sender_id(self):
+        return (self.received_from >> 0) & 0b1111_1111
+
+    def human_readable_type(self):
+        return ['controller', 'puzzle', 'needy', 'RESERVED TYPE'][self.sender_type()]
+
+    def _parse_state_update(self):
+        timeleft = self.payload[1] << 0x18 | self.payload[2] << 0x10 | self.payload[3] << 0x08 | self.payload[4]
+        strikes = self.payload[5]
+        max_strikes = self.payload[6]
+
+        return f'{timeleft/1000:3.2f} {strikes:02}/{max_strikes:02}'
+
+    def parse_message(self):
+        sender_type = self.sender_type()
+        message_type = self.payload[0]
+        if sender_type == 0b00:  # controller
+            if message_type == 0:
+                return "ACK"
+            elif message_type == 1:
+                return "HELLO"
+            elif message_type == 2:
+                return "START " + self._parse_state_update()
+            elif message_type == 3:
+                return "STATE " + self._parse_state_update()
+            elif message_type == 4:
+                return "SOLVED " + self._parse_state_update()
+            elif message_type == 5:
+                return "TIMEOUT " + self._parse_state_update()
+            elif message_type == 6:
+                return "STRIKEOUT " + self._parse_state_update()
+        elif sender_type == 0b01:  # puzzle
+            if message_type == 0:
+                return "REGISTER"
+            elif message_type == 1:
+                return f"STRIKE {self.payload[5]}"
+            elif message_type == 2:
+                return f"SOLVED"
+        else:
+            return f"PARSE ERROR {self.received_from:011b} {self.payload.hex(' ')}"
+
+    def serialize(self):
+        return {
+            'time': self.readable_time(),
+            'parsed': self.parse_message(),
+            'pretty_raw_sender_id': f'{self.priority_bit():01b} {self.sender_type():02b} {self.sender_id():08b}',
+            'raw_message': f"{self.payload.hex(' ')}",
+            'human_readable_type': self.human_readable_type(),
+            'sender_id': self.sender_id(),
+            'internal_id': self.internal_id
+        }
+
+
+def serial_reader(messagelog):
+    while True:
+        sleep(5)
+        received = Message(b'\x00' * 8, 0b101000110, datetime.now(), len(messagelog))
+        messagelog.append(received.serialize())
+
+
+@app.route('/')
+def index():
+    return send_file('static/index.html')
+
+@app.route('/api.json')
+def api():
+    return jsonify([m for m in shared_message_log])
+
+
+if __name__ == '__main__':
+    thread = Thread(target=serial_reader, args=(shared_message_log, ))
+    thread.start()
+    app.run(debug=True)

debugging_tool/static/index.html

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+<!doctype html>
+
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <title>CAN debugger</title>
+	<style>
+
+		@keyframes fadein {
+			from { opacity: 0; }
+			to   { opacity: 1; }
+		}
+		.message {
+  		display: flex;
+			animation: fadein 1s;
+		}
+		.message > * {
+			margin-top: 0;
+			margin-bottom: 0;
+			padding: 0 1.5ch 0 1.5ch;
+		}
+		.hide_details .message .pretty_raw_sender_id {
+			display: none;
+		}
+
+		.hide_details .message .raw_message {
+			display: none;
+		}
+
+		.human_readable_type {
+			order: -5;
+		}
+		.time {
+		  order: 5;
+		}
+		.sender_id {
+			order: 1;
+		}
+
+		.parsed {
+			order: 2;
+			flex: 1;
+		  background: lightgreen;
+		}
+
+		.pretty_raw_sender_id, .raw_message {
+			font-family: monospace, monospace;
+		}
+
+		.pretty_raw_sender_id {
+			order: 9998;
+		}
+
+		.raw_message {
+			order: 9999;
+		}
+
+
+	</style>
+</head>
+
+<body>
+	<div>
+		<input type="checkbox" id="show_raw" name="show_raw" checked onchange="updateShow()">
+	  <label for="show_raw">Show raw address and payload</label>
+		<input type="checkbox" id="pause" name="pause">
+	  <label for="pause">Pause</label>
+	</div>
+	<div id="messages">
+
+	</div>
+  <script src="static/script.js"></script>
+</body>
+</html>

debugging_tool/static/script.js

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+maxseen = 0;
+
+function updateShow() {
+	if (document.getElementById('show_raw').checked) {
+		document.getElementById('messages').classList = '';
+	} else {
+		document.getElementById('messages').classList = 'hide_details';
+	}
+}
+
+function updateMessages() {
+	fetch('/api.json')
+	.then(
+		function(response) {
+			if (response.status !== 200) {
+				console.log('FAIL: ' + response.status);
+				return;
+			}
+			response.json().then(function(data) {
+				console.log(data);
+				if (data.length > maxseen) {
+						var messageContainer = document.getElementById('messages');
+						for (let i = maxseen; i < data.length; i++) {
+							var current = data[i];
+							var time = document.createElement("p");
+							time.innerHTML = current['time'];
+							time.className = 'time';
+
+							var parsed = document.createElement("p");
+							parsed.innerHTML = current['parsed'];
+							parsed.className = 'parsed';
+
+							var sender_id = document.createElement("p");
+							sender_id.innerHTML = current['sender_id'];
+							sender_id.className = 'sender_id';
+
+							var pretty_raw_sender_id = document.createElement("p");
+							pretty_raw_sender_id.innerHTML = current['pretty_raw_sender_id'];
+							pretty_raw_sender_id.className = 'pretty_raw_sender_id';
+
+							var raw_message = document.createElement("p");
+							raw_message.innerHTML = current['raw_message'];
+							raw_message.className = 'raw_message';
+
+							var human_readable_type = document.createElement("p");
+							human_readable_type.innerHTML = current['human_readable_type'];
+							human_readable_type.className = 'human_readable_type';
+
+							var newNode = document.createElement("div");
+							newNode.className = "message";
+							newNode.append(time, parsed, sender_id, pretty_raw_sender_id, raw_message, human_readable_type);
+							messageContainer.prepend(newNode)
+						}
+						maxseen = data.length;
+				}
+			});
+		}
+	)
+}
+
+
+window.onload = function() {
+	updateShow()
+	console.log("loaded");
+	updateMessages();
+
+
+	setInterval(function() {
+		if (document.getElementById('pause').checked) {
+			return;
+		}
+		updateMessages()
+
+	}, 1000);
+};

docs/protocol.txt

@@ -70,7 +70,7 @@ Types for controller:
 
 Types for modules:
 
-    - 0 hanlo
+    - 0 register
       [ X B B B  B B B B ]
           --------------
              reserved