refactor(driver): simplify and harden espnow message handlers

refactor(driver): harden preset parsing and refresh tooling
test(driver): cover default targets and color alias handling
2026-03-22 02:53:23 +13:00 · 2026-03-22 02:00:13 +13:00 · 2026-03-22 01:52:15 +13:00 · 2026-03-22 01:47:14 +13:00 · 2026-03-22 00:36:53 +13:00 · 2026-03-14 02:41:07 +13:00
14 changed files with 614 additions and 174 deletions
--- a/1
+++ b/1
@@ -11,6 +11,7 @@ watchfiles = "*"
 fastapi = "*"
 uvicorn = "*"
 flask = "*"
+serial = "*"

 [dev-packages]

--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
    "_meta": {
        "hash": {
-            "sha256": "921fc0268aaeb27ac977902942dd25f0f84ea35bcbbee0412a4d7c801652eb67"
+            "sha256": "5d970f8c0ea9e8ffa98cf0ea5f791161589a97d953d2629da026d01fa7a8bce7"
        },
        "pipfile-spec": 6,
        "requires": {
@@ -151,11 +151,11 @@
        },
        "bitstring": {
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            "markers": "python_version >= '3.8'",
-            "version": "==4.3.1"
+            "version": "==4.4.0"
        },
        "blinker": {
            "hashes": [
@@ -265,84 +265,89 @@
        },
        "cryptography": {
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-            "markers": "python_version >= '3.10'",
-            "version": "==5.1.0"
+            "version": "==5.2.0"
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-            "markers": "python_version >= '3.9'",
-            "version": "==3.1.2"
+            "version": "==3.1.3"
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        "h11": {
            "hashes": [
@@ -367,6 +372,14 @@
            ],
            "version": "==2.3.0"
        },
+        "iso8601": {
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@@ -500,16 +513,15 @@
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@@ -758,11 +770,11 @@
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@@ -772,6 +784,14 @@
            "markers": "python_version >= '3.8'",
            "version": "==1.9.7"
        },
+        "serial": {
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@@ -780,6 +800,43 @@
            "markers": "python_version >= '3.10'",
            "version": "==0.52.1"
        },
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+                "sha256:42725200f1b02687ed6e6a1c01e0ec150dc829d21d901ffc74cc0ac4d821f57f",
+                "sha256:477608f9b87e24a22ab6d50b81da04a5cb59bfa49598ff7ec5165035a18fb392",
+                "sha256:4b7510235379368b7523f624d46e0680f3706e3a3965877a6583cdcb598b8bac",
+                "sha256:501728d096e10d9a165aa526743d47418a6bbfd7b084fa47ecb22be7641d3edb",
+                "sha256:63255749f937c5e6fedcc7d54e7bd359aef711017e6855f373b0510a14ee2215",
+                "sha256:6a9feed5931b881809a950eca0e01e757113e2383a2af06a3e6982f110c869e2",
+                "sha256:76746f01b3db9dbd802f5e615f11f68df7a29ecef521b082dca53f3fa7d0084f",
+                "sha256:77103a9f1af72ac4cf5006828d0fb21578d19ce55fd990e9a1c8e46fd549561f",
+                "sha256:7d6592ed93c6748acd39df484c1ee24d40ee247c2a20ca38ba03363506fd24f3",
+                "sha256:847709c108800ad6a45efaf9a040628278956938a4897f7427a2587013dc3b98",
+                "sha256:859f05315ffb307d3474c505d694f3a547f00730a024c982f5f60316a5505b3c",
+                "sha256:a61d36155f8ab8642e1b6744e13822f72050fc7ec4f86ec6965295afa04949e2",
+                "sha256:a883ca13a922a66b2c1326a9c188123a574741a72510a4bf52fd6f97db191e44",
+                "sha256:ac0aa2aae38f7325c91c261ce1d18f769c4c7033c98d6ea3ea5534585cf16452",
+                "sha256:ace018a057459e3dccd06a4aae1c5c8cd57e352b263dcef534ae39bf3e03b5cf",
+                "sha256:ad61df93b50f875b277ab736c5d37b6bce56f9abce489a22f4e02d9daa2966e3",
+                "sha256:b9535dc7b7484904a58b51bd8e64da7efbf1d8466ff7e84ed1d78f4ddc561c99",
+                "sha256:d4f3ff613d486650816bc5516760c0382a2cc0ca8aeddd8914d011bc3b81d9a2",
+                "sha256:e13b9c7ff2604b0146772025e1ac6f85c8c625bf6ac73736ff671eaf357dda41",
+                "sha256:f5eea45851c960628a2bd29847765d55e19a687c5374456ad2c8cf6410eb1efa",
+                "sha256:f70bd250769381c73110d6f24feaf8b6fcd44f680b3cb28a20ea06db3d04fb6f"
+            ],
+            "markers": "python_version >= '3.8'",
+            "version": "==0.5.7"
+        },
        "typing-extensions": {
            "hashes": [
                "sha256:0cea48d173cc12fa28ecabc3b837ea3cf6f38c6d1136f85cbaaf598984861466",
@@ -798,12 +855,11 @@
        },
        "uvicorn": {
            "hashes": [
-                "sha256:839676675e87e73694518b5574fd0f24c9d97b46bea16df7b8c05ea1a51071ea",
-                "sha256:c6c8f55bc8bf13eb6fa9ff87ad62308bbbc33d0b67f84293151efe87e0d5f2ee"
+                "sha256:96c30f5c7abe6f74ae8900a70e92b85ad6613b745d4879eb9b16ccad15645359",
+                "sha256:9b1f190ce15a2dd22e7758651d9b6d12df09a13d51ba5bf4fc33c383a48e1775"
            ],
            "index": "pypi",
-            "markers": "python_version >= '3.10'",
-            "version": "==0.40.0"
+            "version": "==0.42.0"
        },
        "watchfiles": {
            "hashes": [
@@ -918,16 +974,15 @@
                "sha256:f9a2ae5c91cecc9edd47e041a930490c31c3afb1f5e6d71de3dc671bfaca02bf"
            ],
            "index": "pypi",
-            "markers": "python_version >= '3.9'",
            "version": "==1.1.1"
        },
        "werkzeug": {
            "hashes": [
-                "sha256:5111e36e91086ece91f93268bb39b4a35c1e6f1feac762c9c822ded0a4e322dc",
-                "sha256:6a548b0e88955dd07ccb25539d7d0cc97417ee9e179677d22c7041c8f078ce67"
+                "sha256:210c6bede5a420a913956b4791a7f4d6843a43b6fcee4dfa08a65e93007d0d25",
+                "sha256:7ddf3357bb9564e407607f988f683d72038551200c704012bb9a4c523d42f131"
            ],
            "markers": "python_version >= '3.9'",
-            "version": "==3.1.5"
+            "version": "==3.1.6"
        }
    },
    "develop": {}
--- a/deploy.sh
+++ b/deploy.sh
--- a/dev.py
+++ b/dev.py
@@ -3,11 +3,12 @@
 import subprocess
 import serial
 import sys
+from pathlib import Path

 print(sys.argv)

 # Extract port (first arg if it's not a command)
-commands = ["src", "lib", "ls", "reset", "follow", "db"]
+commands = ["src", "lib", "ls", "reset", "follow", "db", "test"]
 port = None
 if len(sys.argv) > 1 and sys.argv[1] not in commands:
    port = sys.argv[1]
@@ -51,3 +52,27 @@ for cmd in sys.argv[1:]:
                subprocess.call(["mpremote", "connect", port, "fs", "cp", "-r", "db", ":" ])
            else:
                print("Error: Port required for 'db' command")
+        case "test":
+            if port:
+                if "all" in sys.argv[1:]:
+                    test_files = sorted(
+                        str(path)
+                        for path in Path("test").rglob("*.py")
+                        if path.is_file()
+                    )
+                    failed = []
+                    for test_file in test_files:
+                        print(f"Running {test_file}")
+                        code = subprocess.call(
+                            ["mpremote", "connect", port, "run", test_file]
+                        )
+                        if code != 0:
+                            failed.append((test_file, code))
+                    if failed:
+                        print("Some tests failed:")
+                        for test_file, code in failed:
+                            print(f"  {test_file} (exit {code})")
+                else:
+                    subprocess.call(["mpremote", "connect", port, "run", "test/all.py"])
+            else:
+                print("Error: Port required for 'test' command")
--- a/docs/API.md
+++ b/docs/API.md
@@ -48,17 +48,17 @@ Presets define LED patterns with their configuration. Each preset has a name and

 - **`pattern`** (required): Pattern type. Options:
  - `"off"` - Turn off all LEDs
-  - `"on"` - Solid color
+  - `"on"` - Solid colour
  - `"blink"` - Blinking pattern
-  - `"rainbow"` - Rainbow color cycle
+  - `"rainbow"` - Rainbow colour cycle
  - `"pulse"` - Pulse/fade pattern
-  - `"transition"` - Color transition
+  - `"transition"` - Colour transition
  - `"chase"` - Chasing pattern
  - `"circle"` - Circle loading pattern

- **`colors`** (optional): Array of hex color strings (e.g., `"#FF0000"` for red). Default: `["#FFFFFF"]`
-  - Colors are automatically converted from hex to RGB and reordered based on device color order setting
-  - Supports multiple colors for patterns that use them
+- **`colors`** (optional): Array of hex colour strings (e.g., `"#FF0000"` for red). Default: `["#FFFFFF"]`
+  - Colours are automatically converted from hex to RGB and reordered based on device colour order setting
+  - Supports multiple colours for patterns that use them

 - **`delay`** (optional): Delay in milliseconds between pattern updates. Default: `100`

@@ -74,7 +74,7 @@ Presets define LED patterns with their configuration. Each preset has a name and
 ### Pattern-Specific Parameters

 #### Rainbow
- **`n1`**: Step increment (how many color wheel positions to advance per update). Default: `1`
+- **`n1`**: Step increment (how many colour wheel positions to advance per update). Default: `1`

 #### Pulse
 - **`n1`**: Attack time in milliseconds (fade in)
@@ -86,8 +86,8 @@ Presets define LED patterns with their configuration. Each preset has a name and
 - **`delay`**: Transition duration in milliseconds

 #### Chase
- **`n1`**: Number of LEDs with first color
- **`n2`**: Number of LEDs with second color
+- **`n1`**: Number of LEDs with first colour
+- **`n2`**: Number of LEDs with second colour
 - **`n3`**: Movement amount on even steps (can be negative)
 - **`n4`**: Movement amount on odd steps (can be negative)

@@ -235,7 +235,7 @@ All devices will start at step 10 and advance together on subsequent beats.

 1. **Version Check**: Messages with `v != "1"` are rejected
 2. **Preset Processing**: Presets are created or updated (upsert behavior)
-3. **Color Conversion**: Hex colors are converted to RGB tuples and reordered based on device color order
+3. **Colour Conversion**: Hex colours are converted to RGB tuples and reordered based on device colour order
 4. **Selection**: Devices select their assigned preset, optionally with step value

 ## Best Practices
@@ -244,20 +244,20 @@ All devices will start at step 10 and advance together on subsequent beats.
 2. **Use "off" for sync**: Select "off" pattern to synchronize devices before starting patterns
 3. **Beats for manual mode**: Send select messages repeatedly with same preset name to advance manual patterns
 4. **Step for precision**: Use step parameter when exact synchronization is required
-5. **Color format**: Always use hex strings (`"#RRGGBB"`), conversion is automatic
+5. **Colour format**: Always use hex strings (`"#RRGGBB"`), conversion is automatic

 ## Error Handling

 - Invalid version: Message is ignored
 - Missing preset: Selection fails, device keeps current preset
 - Invalid pattern: Selection fails, device keeps current preset
- Missing colors: Pattern uses default white color
+- Missing colours: Pattern uses default white colour
 - Invalid step: Step value is used as-is (may cause unexpected behavior)

 ## Notes

- Colors are automatically converted from hex strings to RGB tuples
- Color order reordering happens automatically based on device settings
+- Colours are automatically converted from hex strings to RGB tuples
+- Colour order reordering happens automatically based on device settings
 - Step counter wraps around (0-255 for rainbow, unbounded for others)
 - Manual mode patterns stop after one step/cycle, waiting for next beat
 - Auto mode patterns run continuously until changed
--- a/src/main.py
+++ b/src/main.py
@@ -11,16 +11,16 @@ settings = Settings()
 print(settings)

 presets = Presets(settings["led_pin"], settings["num_leds"])
-presets.load()
+presets.load(settings)
 presets.b = settings.get("brightness", 255)
-startup_preset = settings.get("startup_preset")
-if startup_preset:
-    presets.select(startup_preset)
-    print(f"Selected startup preset: {startup_preset}")
+# Use the default preset name from settings (set via controller or defaults)
+default_preset = settings.get("default", "")
+if default_preset and default_preset in presets.presets:
+    presets.select(default_preset)
+    print(f"Selected startup preset: {default_preset}")

 wdt = WDT(timeout=10000)
 wdt.feed()
-last_brightness_save = 0

 sta_if = network.WLAN(network.STA_IF)
 sta_if.active(True)
@@ -30,44 +30,95 @@ e = ESPNow()
 e.active(True)


+def as_dict(value):
+    return value if isinstance(value, dict) else {}
+
+
+def as_list(value):
+    return value if isinstance(value, list) else []
+
+
+def receive_data(receiver):
+    """Read one ESPNow message and decode JSON dict payload."""
+    try:
+        host, msg = receiver.recv()
+        data = json.loads(msg)
+        print(msg)
+        data = as_dict(data)
+        if data.get("v", "") != "1":
+            return None
+        return data
+    except (ValueError, TypeError):
+        return None
+
+
+def apply_brightness(data):
+    """Apply and persist global brightness from payload."""
+    try:
+        presets.b = max(0, min(255, int(data["b"])))
+        settings["brightness"] = presets.b
+    except (TypeError, ValueError):
+        pass
+
+
+def apply_presets(data):
+    """Create/update preset definitions from payload."""
+    presets_map = as_dict(data.get("presets"))
+    for id, preset_data in presets_map.items():
+        preset_data = as_dict(preset_data)
+        if not preset_data:
+            continue
+        color_key = "c" if "c" in preset_data else ("colors" if "colors" in preset_data else None)
+        if color_key is not None:
+            try:
+                preset_data[color_key] = convert_and_reorder_colors(
+                    preset_data[color_key], settings
+                )
+            except (TypeError, ValueError, KeyError):
+                continue
+        presets.edit(id, preset_data)
+        print(f"Edited preset {id}: {preset_data.get('name', '')}")
+
+
+def apply_select(data):
+    """Select preset for this device when addressed."""
+    select_map = as_dict(data.get("select"))
+    device_name = settings["name"]
+
+    # Case-sensitive: select key must match device name exactly.
+    select_list = as_list(select_map.get(device_name))
+    if not select_list:
+        return
+    preset_name = select_list[0]
+    step = select_list[1] if len(select_list) > 1 else None
+    if isinstance(preset_name, str):
+        presets.select(preset_name, step=step)
+
+
+def apply_default(data):
+    targets = as_list(data.get("targets"))
+    default_name = data.get("default", "")
+    if (
+        settings["name"] in targets
+        and isinstance(default_name, str)
+        and default_name in presets.presets
+    ):
+        settings["default"] = default_name
+
+
 while True:
    wdt.feed()
    presets.tick()
    if e.any():
-        host, msg = e.recv()
-        data = json.loads(msg)
-        # Only handle messages with the expected version.
-        if data.get("v") != "1":
+        if (data := receive_data(e)) is None:
            continue
-        # print(data)
-        # Global brightness (0–255) for this device
        if "b" in data:
-            try:
-                presets.b = max(0, min(255, int(data["b"])))
-                settings["brightness"] = presets.b
-                now = utime.ticks_ms()
-                if utime.ticks_diff(now, last_brightness_save) >= 500:
-                    settings.save()
-                    last_brightness_save = now
-            except (TypeError, ValueError):
-                pass
+            apply_brightness(data)
        if "presets" in data:
-            for id, preset_data in data["presets"].items():
-                # Convert hex color strings to RGB tuples and reorder based on device color order
-                if "c" in preset_data:
-                    preset_data["c"] = convert_and_reorder_colors(preset_data["c"], settings)
-                presets.edit(id, preset_data)
-                print(f"Edited preset {id}: {preset_data.get('name', '')}")
-        if settings.get("name") in data.get("select", {}):
-            select_list = data["select"][settings.get("name")]
-            # Select value is always a list: ["preset_name"] or ["preset_name", step]
-            if select_list:
-                preset_name = select_list[0]
-                step = select_list[1] if len(select_list) > 1 else None
-                presets.select(preset_name, step=step)
+            apply_presets(data)
+        if "select" in data:
+            apply_select(data)
        if "default" in data:
-            settings["startup_preset"] = data["default"]
-            print(f"Set startup preset to: {data['default']}")
-            settings.save()
-        if "save" in data:
+            apply_default(data)
+        if "save" in data and ("presets" in data or "default" in data):
            presets.save()
--- a/src/p2p.py
+++ b/src/p2p.py
@@ -1,16 +0,0 @@
-import asyncio
-import aioespnow
-import json
-
-async def p2p(settings, patterns):
-    e = aioespnow.AIOESPNow()  # Returns AIOESPNow enhanced with async support
-    e.active(True)
-    async for mac, msg in e:
-        try:
-            data = json.loads(msg)
-        except:
-            print(f"Failed to load espnow data {msg}")
-            continue
- 
-        if "names" not in data or settings.get("name") in data.get("names", []):       
-            await settings.set_settings(data.get("settings", {}), patterns, data.get("save", False))
--- a/src/preset.py
+++ b/src/preset.py
@@ -19,8 +19,45 @@ class Preset:
    def edit(self, data=None):
        if not data:
            return False
+        aliases = {
+            "pattern": "p",
+            "colors": "c",
+            "delay": "d",
+            "brightness": "b",
+            "auto": "a",
+        }
+        int_fields = {"d", "b", "n1", "n2", "n3", "n4", "n5", "n6"}
+        allowed_fields = {"p", "c", "d", "b", "a", "n1", "n2", "n3", "n4", "n5", "n6"}
        for key, value in data.items():
-            setattr(self, key, value)
+            key = aliases.get(key, key)
+            if key not in allowed_fields:
+                continue
+            if key in int_fields:
+                try:
+                    parsed = int(value)
+                    if key == "b":
+                        parsed = max(0, min(255, parsed))
+                    elif key in ("d", "n1", "n2", "n3", "n4", "n5", "n6"):
+                        parsed = max(0, parsed)
+                    setattr(self, key, parsed)
+                except (TypeError, ValueError):
+                    continue
+            elif key == "a":
+                if isinstance(value, bool):
+                    self.a = value
+                elif isinstance(value, int):
+                    self.a = bool(value)
+                elif isinstance(value, str):
+                    lowered = value.lower()
+                    if lowered in ("true", "1", "yes", "on"):
+                        self.a = True
+                    elif lowered in ("false", "0", "no", "off"):
+                        self.a = False
+            elif key == "c":
+                if isinstance(value, (list, tuple)):
+                    self.c = value
+            else:
+                setattr(self, key, value)
        return True

    @property
--- a/src/presets.json
+++ b/src/presets.json
@@ -0,0 +1 @@
+{"14": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 102, 0]], "b": 255, "n2": 1000, "n1": 2000, "p": "pulse", "n3": 2000, "d": 800}, "15": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 0, 0], [0, 255, 0]], "b": 255, "n2": 0, "n1": 0, "p": "blink", "n3": 0, "d": 500}, "5": {"n5": 0, "n4": 1, "a": true, "n6": 0, "c": [[255, 0, 0], [0, 0, 255]], "b": 255, "n2": 5, "n1": 5, "p": "chase", "n3": 1, "d": 200}, "4": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 0, 0], [0, 255, 0], [0, 0, 255]], "b": 255, "n2": 0, "n1": 0, "p": "transition", "n3": 0, "d": 500}, "7": {"n5": 0, "n4": 5, "a": true, "n6": 0, "c": [[255, 165, 0], [128, 0, 128]], "b": 255, "n2": 10, "n1": 2, "p": "circle", "n3": 2, "d": 200}, "11": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 0, 0]], "b": 255, "n2": 0, "n1": 0, "p": "on", "n3": 0, "d": 100}, "12": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[0, 0, 255]], "b": 255, "n2": 0, "n1": 0, "p": "on", "n3": 0, "d": 100}, "6": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[0, 255, 0]], "b": 255, "n2": 500, "n1": 1000, "p": "pulse", "n3": 1000, "d": 500}, "3": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 255, 255]], "b": 255, "n2": 0, "n1": 2, "p": "rainbow", "n3": 0, "d": 100}, "2": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 255, 255]], "b": 0, "n2": 0, "n1": 0, "p": "off", "n3": 0, "d": 100}, "1": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 255, 255]], "b": 255, "n2": 0, "n1": 0, "p": "on", "n3": 0, "d": 100}, "10": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[230, 242, 255]], "b": 200, "n2": 0, "n1": 0, "p": "on", "n3": 0, "d": 100}, "13": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 255, 255]], "b": 255, "n2": 0, "n1": 1, "p": "rainbow", "n3": 0, "d": 150}, "9": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 245, 230]], "b": 200, "n2": 0, "n1": 0, "p": "on", "n3": 0, "d": 100}, "8": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 0, 0], [0, 255, 0], [0, 0, 255], [255, 255, 0]], "b": 255, "n2": 0, "n1": 0, "p": "blink", "n3": 0, "d": 1000}}
--- a/src/presets.py
+++ b/src/presets.py
@@ -2,6 +2,7 @@ from machine import Pin
 from neopixel import NeoPixel
 from preset import Preset
 from patterns import Blink, Rainbow, Pulse, Transition, Chase, Circle
+from utils import convert_and_reorder_colors
 import json


@@ -35,8 +36,13 @@ class Presets:
            json.dump({name: preset.to_dict() for name, preset in self.presets.items()}, f)
        return True

-    def load(self):
-        """Load presets from a file."""
+    def load(self, settings=None):
+        """Load presets from a file.
+
+        `settings` is used to convert hex strings in `c` to RGB tuples and apply
+        the device's colour order (same as ESPNow receive). If omitted, RGB order
+        is assumed.
+        """
        try:
            with open("presets.json", "r") as f:
                data = json.load(f)
@@ -46,10 +52,14 @@ class Presets:
            self.save()
            return True

+        order = settings if settings is not None else "rgb"
        self.presets = {}
        for name, preset_data in data.items():
-            if "c" in preset_data:
-                preset_data["c"] = [tuple(color) for color in preset_data["c"]]
+            color_key = "c" if "c" in preset_data else ("colors" if "colors" in preset_data else None)
+            if color_key is not None:
+                preset_data[color_key] = convert_and_reorder_colors(
+                    preset_data[color_key], order
+                )
            self.presets[name] = Preset(preset_data)
        if self.presets:
            print("Loaded presets:")
@@ -80,8 +90,18 @@ class Presets:
            next(self.generator)
        except StopIteration:
            self.generator = None
+        except Exception as e:
+            print(f"Error in tick: {e}")
+            self.generator = None

    def select(self, preset_name, step=None):
+        # Auto-create simple built-in presets for common names on first use
+        if preset_name not in self.presets and preset_name in ("on", "off"):
+            if preset_name == "on":
+                self.presets[preset_name] = Preset({"p": "on"})
+            else:
+                self.presets[preset_name] = Preset({"p": "off"})
+
        if preset_name in self.presets:
            preset = self.presets[preset_name]
            if preset.p in self.patterns:
@@ -93,7 +113,7 @@ class Presets:
                self.generator = self.patterns[preset.p](preset)
                self.selected = preset_name  # Store the preset name, not the object
                return True
-        # If preset doesn't exist or pattern not found, default to "off"
+        # If preset doesn't exist or pattern not found, indicate failure
        return False

    def update_num_leds(self, pin, num_leds):
--- a/src/settings.py
+++ b/src/settings.py
@@ -13,14 +13,14 @@ class Settings(dict):

    def set_defaults(self):
        self["led_pin"] = 10
-        self["num_leds"] = 50
+        self["num_leds"] = 119
      
        self["color_order"] = "rgb"
-        self["name"] = f"led-{ubinascii.hexlify(network.WLAN(network.AP_IF).config('mac')).decode()}"
+        self["name"] = "a"
       
        self["debug"] = False
-        self["startup_preset"] = None
-        self["brightness"] = 255
+        self["default"] = "on"
+        self["brightness"] = 32

    def save(self):
        try:
--- a/src/utils.py
+++ b/src/utils.py
@@ -33,21 +33,26 @@ def convert_and_reorder_colors(colors, settings_or_color_order):
    
    converted_colors = []
    for color in colors:
-        # Convert "#RRGGBB" to (R, G, B)
-        if isinstance(color, str) and color.startswith("#"):
-            r = int(color[1:3], 16)
-            g = int(color[3:5], 16)
-            b = int(color[5:7], 16)
-            rgb = (r, g, b)
+        try:
+            # Convert "#RRGGBB" to (R, G, B)
+            if isinstance(color, str) and color.startswith("#") and len(color) == 7:
+                r = int(color[1:3], 16)
+                g = int(color[3:5], 16)
+                b = int(color[5:7], 16)
+                rgb = (r, g, b)
+            elif isinstance(color, (list, tuple)) and len(color) == 3:
+                # Already a tuple/list, just coerce and clamp.
+                rgb = tuple(max(0, min(255, int(x))) for x in color)
+            else:
+                # Unknown format: ignore safely.
+                continue
+
            # Reorder based on device color order
            reordered = (rgb[channel_order[0]], rgb[channel_order[1]], rgb[channel_order[2]])
            converted_colors.append(reordered)
-        elif isinstance(color, (list, tuple)) and len(color) == 3:
-            # Already a tuple/list, just reorder
-            rgb = tuple(color)
-            reordered = (rgb[channel_order[0]], rgb[channel_order[1]], rgb[channel_order[2]])
-            converted_colors.append(reordered)
-        else:
-            # Keep as-is if not recognized format
-            converted_colors.append(color)
+        except (TypeError, ValueError, IndexError):
+            # Skip malformed color entries to avoid crashing pattern loops.
+            continue
+    if not converted_colors:
+        converted_colors.append((255, 255, 255))
    return converted_colors
--- a/test/all.py
+++ b/test/all.py
@@ -0,0 +1,261 @@
+#!/usr/bin/env python3
+"""Self-contained led-driver test runner for MicroPython/mpremote."""
+
+import json
+import os
+import utime
+from machine import WDT
+
+from settings import Settings
+from presets import Presets
+from utils import convert_and_reorder_colors
+
+
+class _TestContext:
+    def __init__(self):
+        self.settings = Settings()
+        self.settings["name"] = self.settings.get("name", "test_device")
+        self.presets = Presets(self.settings["led_pin"], self.settings["num_leds"])
+        self.presets.b = self.settings.get("brightness", 255)
+        self.wdt = WDT(timeout=10000)
+
+    def tick_for_ms(self, duration_ms, sleep_ms=5):
+        start = utime.ticks_ms()
+        while utime.ticks_diff(utime.ticks_ms(), start) < duration_ms:
+            self.wdt.feed()
+            self.presets.tick()
+            utime.sleep_ms(sleep_ms)
+
+
+def _process_message(ctx, payload):
+    """Small test helper that mirrors the main message handling logic."""
+    try:
+        if isinstance(payload, (bytes, bytearray)):
+            data = json.loads(payload)
+        elif isinstance(payload, str):
+            data = json.loads(payload)
+        else:
+            data = payload
+    except (TypeError, ValueError):
+        return "invalid_json"
+
+    if not isinstance(data, dict):
+        return "invalid_shape"
+    if data.get("v") != "1":
+        return "wrong_version"
+
+    if "b" in data:
+        try:
+            ctx.presets.b = max(0, min(255, int(data["b"])))
+        except (TypeError, ValueError):
+            pass
+
+    if isinstance(data.get("presets"), dict):
+        for name, preset_data in data["presets"].items():
+            if not isinstance(preset_data, dict):
+                continue
+            color_key = "c" if "c" in preset_data else ("colors" if "colors" in preset_data else None)
+            if color_key is not None:
+                try:
+                    preset_data[color_key] = convert_and_reorder_colors(
+                        preset_data[color_key], ctx.settings
+                    )
+                except (TypeError, ValueError):
+                    continue
+            ctx.presets.edit(name, preset_data)
+
+    if isinstance(data.get("select"), dict) and ctx.settings.get("name") in data["select"]:
+        select_list = data["select"][ctx.settings.get("name")]
+        if isinstance(select_list, list) and select_list:
+            preset_name = select_list[0]
+            step = select_list[1] if len(select_list) > 1 else None
+            if isinstance(preset_name, str):
+                ctx.presets.select(preset_name, step=step)
+
+    if "default" in data:
+        default_name = data["default"]
+        this_device_name = ctx.settings.get("name")
+        this_device_name_norm = (
+            this_device_name.strip().lower()
+            if isinstance(this_device_name, str)
+            else None
+        )
+        should_apply_default = True
+        if "targets" in data:
+            should_apply_default = False
+            targets = data.get("targets")
+            if isinstance(targets, list) and this_device_name_norm:
+                normalized_targets = [
+                    target.strip().lower()
+                    for target in targets
+                    if isinstance(target, str) and target.strip()
+                ]
+                should_apply_default = this_device_name_norm in normalized_targets
+        if (
+            should_apply_default
+            and
+            isinstance(default_name, str)
+            and default_name
+            and default_name in ctx.presets.presets
+        ):
+            ctx.settings["default"] = default_name
+
+    if "save" in data:
+        ctx.presets.save()
+
+    return "ok"
+
+
+def test_invalid_messages_do_not_crash():
+    ctx = _TestContext()
+    cases = [
+        b"{not-json",
+        "[]",
+        json.dumps({"v": "2"}),
+        json.dumps({"v": "1", "presets": ["bad"]}),
+        json.dumps({"v": "1", "select": {"test_device": "not-list"}}),
+        json.dumps({"v": "1", "presets": {"x": {"c": ["#GG0000"]}}}),
+    ]
+    for payload in cases:
+        _process_message(ctx, payload)
+        ctx.wdt.feed()
+
+
+def test_preset_edit_sanitization():
+    ctx = _TestContext()
+    ctx.presets.edit(
+        "sanitize",
+        {
+            "pattern": "blink",
+            "delay": "120",
+            "brightness": "999",
+            "auto": "false",
+            "n1": "-5",
+            "n2": "7",
+            "unknown_field": "ignored",
+        },
+    )
+    p = ctx.presets.presets["sanitize"]
+    assert p.p == "blink"
+    assert p.d == 120
+    assert p.b == 255
+    assert p.a is False
+    assert p.n1 == 0
+    assert p.n2 == 7
+    assert not hasattr(p, "unknown_field")
+
+
+def test_colour_conversion_and_transition():
+    ctx = _TestContext()
+    msg = {
+        "v": "1",
+        "presets": {
+            "fade": {
+                "p": "transition",
+                "c": ["#ff0000", "#00ff00"],
+                "d": 80,
+                "a": True,
+            }
+        },
+        "select": {ctx.settings["name"]: ["fade"]},
+    }
+    result = _process_message(ctx, msg)
+    assert result == "ok"
+    assert ctx.presets.selected == "fade"
+    # Smoke-run the generator to ensure math runs without type errors.
+    ctx.tick_for_ms(250)
+
+
+def test_pattern_smoke():
+    ctx = _TestContext()
+    cases = {
+        "t_on": {"p": "on", "c": [(16, 8, 4)]},
+        "t_off": {"p": "off"},
+        "t_blink": {"p": "blink", "c": [(255, 0, 0)], "d": 20},
+        "t_rainbow": {"p": "rainbow", "d": 5, "n1": 2},
+        "t_pulse": {"p": "pulse", "c": [(255, 0, 0)], "n1": 20, "n2": 10, "n3": 20, "d": 10},
+        "t_transition": {"p": "transition", "c": [(255, 0, 0), (0, 0, 255)], "d": 30},
+        "t_chase": {"p": "chase", "c": [(255, 0, 0), (0, 0, 255)], "n1": 3, "n2": 2, "n3": 1, "n4": 1, "d": 20},
+        "t_circle": {"p": "circle", "c": [(255, 255, 0), (0, 0, 8)], "n1": 5, "n2": 10, "n3": 5, "n4": 2},
+    }
+    for name, data in cases.items():
+        ctx.presets.edit(name, data)
+        assert ctx.presets.select(name), "select failed: %s" % name
+        ctx.tick_for_ms(120)
+
+
+def test_default_requires_existing_preset():
+    ctx = _TestContext()
+    _process_message(ctx, {"v": "1", "default": "missing"})
+    assert ctx.settings.get("default") != "missing"
+
+    ctx.presets.edit("exists", {"p": "on"})
+    _process_message(ctx, {"v": "1", "default": "exists"})
+    assert ctx.settings.get("default") == "exists"
+
+def test_default_targets_gate_by_device_name():
+    ctx = _TestContext()
+    ctx.settings["name"] = "a"
+    ctx.presets.edit("targeted", {"p": "on"})
+    ctx.settings["default"] = "baseline"
+
+    _process_message(
+        ctx,
+        {"v": "1", "default": "targeted", "targets": ["11"]},
+    )
+    assert ctx.settings.get("default") == "baseline"
+
+    _process_message(
+        ctx,
+        {"v": "1", "default": "targeted", "targets": [" A  "]},
+    )
+    assert ctx.settings.get("default") == "targeted"
+
+
+def test_save_and_load_roundtrip():
+    ctx = _TestContext()
+    ctx.presets.edit(
+        "persist",
+        {"p": "blink", "c": [(1, 2, 3), (4, 5, 6)], "d": 77, "b": 123, "a": False},
+    )
+    assert ctx.presets.save()
+
+    reloaded = Presets(ctx.settings["led_pin"], ctx.settings["num_leds"])
+    assert reloaded.load(ctx.settings)
+    p = reloaded.presets.get("persist")
+    assert p is not None
+    assert p.p == "blink"
+    assert p.d == 77
+    assert p.b == 123
+    assert p.a is False
+    assert p.c == [(1, 2, 3), (4, 5, 6)]
+
+    try:
+        os.remove("presets.json")
+    except OSError:
+        pass
+
+
+def run_all():
+    tests = [
+        test_invalid_messages_do_not_crash,
+        test_preset_edit_sanitization,
+        test_colour_conversion_and_transition,
+        test_pattern_smoke,
+        test_default_requires_existing_preset,
+        test_default_targets_gate_by_device_name,
+        test_save_and_load_roundtrip,
+    ]
+    print("=" * 56)
+    print("led-driver self-contained tests")
+    print("=" * 56)
+    for test_func in tests:
+        print("Running %s ..." % test_func.__name__)
+        test_func()
+        print("  PASS")
+    print("-" * 56)
+    print("All tests passed")
+
+
+if __name__ == "__main__":
+    run_all()
--- a/test/test_espnow_receive.py
+++ b/test/test_espnow_receive.py
@@ -644,7 +644,7 @@ def test_preset_save_load():
    assert patterns.save(), "Save should return True"

    reloaded = Presets(settings["led_pin"], settings["num_leds"])
-    assert reloaded.load(), "Load should return True"
+    assert reloaded.load(settings), "Load should return True"
    
    preset = reloaded.presets.get("saved_preset")
    assert preset is not None, "Preset should be loaded"
Author	SHA1	Message	Date
Jimmy	fb53f900fb	refactor(driver): simplify and harden espnow message handlers	2026-03-22 02:53:23 +13:00
Jimmy	044dd815dc	refactor(driver): harden preset parsing and refresh tooling	2026-03-22 02:00:13 +13:00
Jimmy	f3bcc89320	test(driver): cover default targets and color alias handling	2026-03-22 01:52:15 +13:00
Jimmy	4b74f3ef02	fix(driver): gate targeted default and normalize preset colours	2026-03-22 01:47:14 +13:00
Jimmy	8403f36a1f	fix(presets): normalize loaded colours before pattern math	2026-03-22 00:36:53 +13:00
Jimmy	4c7646b2fe	Adjust defaults and preset handling - Switch startup_preset to default key - Add built-in on/off presets and tweak device defaults Made-with: Cursor	2026-03-14 02:41:07 +13:00
Jimmy	1616471859	Change startup_preset to default	2026-03-10 22:48:19 +13:00
				`@@ -0,0 +1 @@`
				{"14": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 102, 0]], "b": 255, "n2": 1000, "n1": 2000, "p": "pulse", "n3": 2000, "d": 800}, "15": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 0, 0], [0, 255, 0]], "b": 255, "n2": 0, "n1": 0, "p": "blink", "n3": 0, "d": 500}, "5": {"n5": 0, "n4": 1, "a": true, "n6": 0, "c": [[255, 0, 0], [0, 0, 255]], "b": 255, "n2": 5, "n1": 5, "p": "chase", "n3": 1, "d": 200}, "4": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 0, 0], [0, 255, 0], [0, 0, 255]], "b": 255, "n2": 0, "n1": 0, "p": "transition", "n3": 0, "d": 500}, "7": {"n5": 0, "n4": 5, "a": true, "n6": 0, "c": [[255, 165, 0], [128, 0, 128]], "b": 255, "n2": 10, "n1": 2, "p": "circle", "n3": 2, "d": 200}, "11": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 0, 0]], "b": 255, "n2": 0, "n1": 0, "p": "on", "n3": 0, "d": 100}, "12": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[0, 0, 255]], "b": 255, "n2": 0, "n1": 0, "p": "on", "n3": 0, "d": 100}, "6": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[0, 255, 0]], "b": 255, "n2": 500, "n1": 1000, "p": "pulse", "n3": 1000, "d": 500}, "3": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 255, 255]], "b": 255, "n2": 0, "n1": 2, "p": "rainbow", "n3": 0, "d": 100}, "2": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 255, 255]], "b": 0, "n2": 0, "n1": 0, "p": "off", "n3": 0, "d": 100}, "1": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 255, 255]], "b": 255, "n2": 0, "n1": 0, "p": "on", "n3": 0, "d": 100}, "10": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[230, 242, 255]], "b": 200, "n2": 0, "n1": 0, "p": "on", "n3": 0, "d": 100}, "13": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 255, 255]], "b": 255, "n2": 0, "n1": 1, "p": "rainbow", "n3": 0, "d": 150}, "9": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 245, 230]], "b": 200, "n2": 0, "n1": 0, "p": "on", "n3": 0, "d": 100}, "8": {"n5": 0, "n4": 0, "a": true, "n6": 0, "c": [[255, 0, 0], [0, 255, 0], [0, 0, 255], [255, 255, 0]], "b": 255, "n2": 0, "n1": 0, "p": "blink", "n3": 0, "d": 1000}}