chore(settings): update default num_leds and color_order

Co-authored-by: Cursor <cursoragent@cursor.com>

bulk.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+PORT="${1:-/dev/ttyACM0}"
+
+while true; do
+    ls "$PORT" && led-cli -p "$PORT" --erase --src --patterns && led-cli -p "$PORT" --reset -f
+    sleep 0.5
+done

src/background_tasks.py

@@ -1,11 +1,7 @@
 import asyncio
 import utime
 
-from hello import broadcast_hello_udp
 from mem_stats import print_mem
-from wifi_sta import try_reconnect
-
-_UDP_HELLO_ATTEMPT = 0
 
 
 async def presets_loop(presets, wdt):
@@ -18,41 +14,4 @@ async def presets_loop(presets, wdt):
             if utime.ticks_diff(now, last_mem_log) >= 5000:
                 print_mem("runtime")
                 last_mem_log = now
-        # tick() does not await; yield so UDP hello and HTTP/WebSocket can run.
         await asyncio.sleep(0)
-
-
-async def udp_hello_loop_after_http_ready(sta_if, settings, wdt, runtime_state):
-    """UDP hello on cadence; if STA drops, one reconnect campaign per iteration."""
-    global _UDP_HELLO_ATTEMPT
-    await asyncio.sleep(1)
-    started_ms = utime.ticks_ms()
-    while True:
-        try:
-            wifi_ok = sta_if.isconnected()
-        except Exception:
-            wifi_ok = False
-        if not wifi_ok:
-            ssid = settings.get("ssid") or ""
-            if ssid:
-                try_reconnect(sta_if, ssid, settings.get("password") or "", wdt)
-            try:
-                wifi_ok = sta_if.isconnected()
-            except Exception:
-                wifi_ok = False
-        if wifi_ok and runtime_state.hello:
-            _UDP_HELLO_ATTEMPT += 1
-            print("UDP hello broadcast attempt", _UDP_HELLO_ATTEMPT)
-            try:
-                broadcast_hello_udp(
-                    sta_if,
-                    settings.get("name", ""),
-                    wait_reply=False,
-                    wdt=wdt,
-                    dual_destinations=True,
-                )
-            except Exception as ex:
-                print("UDP hello broadcast failed:", ex)
-        elapsed_ms = utime.ticks_diff(utime.ticks_ms(), started_ms)
-        interval_s = 10 if elapsed_ms < 120000 else 30
-        await asyncio.sleep(interval_s)

src/controller_messages.py

@@ -2,7 +2,11 @@
 
 import json
 import socket
+import network
+import ubinascii
 
+import device_groups as dg
+from v1_wire import expand_v1
 from binary_envelope import parse_binary_envelope
 from utils import convert_and_reorder_colors
 
@@ -40,8 +44,8 @@ def _log_rx(payload) -> None:
         print("rx (logging failed)")
 
 
-def process_data(payload, settings, presets, controller_ip=None):
-    """Read one controller message; binary v1 envelope or JSON v1, then apply fields."""
+def process_data(payload, settings, presets, controller_ip=None, save=False):
+    """Read one controller message; binary v2 envelope or JSON v1, then apply fields."""
     _log_rx(payload)
     data = None
     if isinstance(payload, (bytes, bytearray)):
@@ -58,6 +62,18 @@ def process_data(payload, settings, presets, controller_ip=None):
             return
     if data.get("v", "") != "1":
         return
+    data = expand_v1(data)
+    if save:
+        data["save"] = True
+    set_groups = bool(data.get("set_groups"))
+    groups = data.get("groups")
+    if set_groups and isinstance(groups, list):
+        dg.groups_replace(groups, settings)
+        print("groups set", dg.list_groups())
+    elif isinstance(groups, list) and groups:
+        if not any(dg.in_group(str(g)) for g in groups):
+            print("ignored: not in groups", groups)
+            return
     if "device_config" in data:
         apply_device_config(data, settings, presets)
     if "b" in data:
@@ -66,7 +82,7 @@ def process_data(payload, settings, presets, controller_ip=None):
         apply_presets(data, settings, presets)
     if "clear_presets" in data:
         apply_clear_presets(data, presets)
-    if "select" in data:
+    if ("select" in data or "s" in data) and "presets" not in data:
         apply_select(data, settings, presets)
     if "default" in data:
         apply_default(data, settings, presets)
@@ -80,6 +96,7 @@ def process_data(payload, settings, presets, controller_ip=None):
         settings.save()
     if "save" in data and "device_config" in data:
         settings.save()
+    _flush_pending_select(settings, presets)
 
 
 _VALID_DEVICE_COLOR_ORDERS = frozenset({"rgb", "rbg", "grb", "gbr", "brg", "bgr"})
@@ -170,7 +187,30 @@ def apply_brightness(data, settings, presets):
         pass
 
 
+_pending_select = None
+
+
+def _run_select(presets, settings, preset_name, step=None):
+    if presets.select(preset_name, step=step):
+        record_last_preset(settings, preset_name)
+        return True
+    return False
+
+
+def _flush_pending_select(settings, presets):
+    global _pending_select
+    if _pending_select is None:
+        return
+    preset_name, step = _pending_select
+    if preset_name not in presets.presets and preset_name not in ("on", "off"):
+        return
+    _pending_select = None
+    if not _run_select(presets, settings, preset_name, step):
+        print("select failed (pending):", preset_name)
+
+
 def apply_presets(data, settings, presets):
+    global _pending_select
     presets_map = data["presets"]
     for id, preset_data in presets_map.items():
         if not preset_data:
@@ -181,8 +221,8 @@ def apply_presets(data, settings, presets):
                 preset_data[color_key] = convert_and_reorder_colors(
                     preset_data[color_key], settings
                 )
-            except (TypeError, ValueError, KeyError):
-                continue
+            except (TypeError, ValueError, KeyError) as err:
+                print("preset color convert failed:", id, err)
         if "bg" in preset_data:
             try:
                 bg_color = convert_and_reorder_colors([preset_data["bg"]], settings)
@@ -191,18 +231,74 @@ def apply_presets(data, settings, presets):
             except (TypeError, ValueError, KeyError):
                 pass
         presets.edit(id, preset_data)
+    # Same message often carries select; apply now while presets are loaded.
+    if "select" in data or "s" in data:
+        apply_select(data, settings, presets)
+    else:
+        _flush_pending_select(settings, presets)
+
+
+def _select_list_for_this_device(select_val, settings):
+    """Resolve select to ``[preset_id, step?]`` (wire list or legacy name map)."""
+    if isinstance(select_val, list) and select_val:
+        return select_val
+    if isinstance(select_val, str) and str(select_val).strip():
+        return [str(select_val).strip()]
+    if not isinstance(select_val, dict) or not select_val:
+        return None
+    if "preset" in select_val:
+        preset_name = select_val.get("preset")
+        if preset_name is None:
+            return None
+        out = [str(preset_name)]
+        if "step" in select_val:
+            out.append(select_val["step"])
+        return out
+    device_name = str(settings.get("name") or "").strip()
+    select_list = select_val.get(device_name)
+    if select_list:
+        return select_list
+    try:
+        sta = network.WLAN(network.STA_IF)
+        mac_hex = ubinascii.hexlify(sta.config("mac")).decode().lower()
+    except Exception:
+        mac_hex = ""
+    if mac_hex:
+        for key in select_val:
+            k = str(key).lower().replace(":", "").replace("-", "")
+            if mac_hex in k:
+                return select_val[key]
+    if len(select_val) == 1:
+        return next(iter(select_val.values()))
+    return None
 
 
 def apply_select(data, settings, presets):
-    select_map = data["select"]
-    device_name = settings["name"]
-    select_list = select_map.get(device_name, [])
+    global _pending_select
+    select_val = data.get("select")
+    if select_val is None:
+        select_val = data.get("s")
+    select_list = _select_list_for_this_device(select_val, settings)
     if not select_list:
+        print("select ignored:", repr(select_val))
+        return
+    preset_name = str(select_list[0]).strip()
+    if not preset_name:
         return
-    preset_name = select_list[0]
     step = select_list[1] if len(select_list) > 1 else None
-    if presets.select(preset_name, step=step):
-        record_last_preset(settings, preset_name)
+    if preset_name not in presets.presets and preset_name not in ("on", "off"):
+        try:
+            presets.load(settings)
+        except Exception:
+            pass
+    if preset_name not in presets.presets and preset_name not in ("on", "off"):
+        _pending_select = (preset_name, step)
+        print("select deferred (preset not loaded yet):", preset_name)
+        return
+    if _run_select(presets, settings, preset_name, step):
+        _pending_select = None
+    else:
+        print("select failed:", preset_name)
 
 
 def apply_clear_presets(data, presets):

src/device_groups.py

@@ -0,0 +1,28 @@
+"""Group membership for GROUP_CMD filtering; persisted in settings.json."""
+
+_groups = []
+
+
+def load_from_settings(settings):
+    global _groups
+    g = settings.get("groups") if settings is not None else None
+    if isinstance(g, list):
+        _groups = [str(x) for x in g if str(x).strip()]
+    else:
+        _groups = []
+
+
+def groups_replace(group_ids, settings=None, *, persist=True):
+    global _groups
+    _groups = [str(g) for g in group_ids]
+    if persist and settings is not None:
+        settings["groups"] = list(_groups)
+        settings.save()
+
+
+def in_group(group_id):
+    return str(group_id) in _groups
+
+
+def list_groups():
+    return list(_groups)

src/espnow_transport.py

@@ -0,0 +1,187 @@
+"""ESP-NOW receive loop and boot announce."""
+
+import asyncio
+import urandom
+import ubinascii
+
+import espnow
+import network
+
+import device_groups as dg
+from espnow_wire import (
+    BROADCAST_MAC,
+    MSG_ANNOUNCE,
+    MSG_CMD,
+    MSG_GROUP_CMD,
+    MSG_GROUPS,
+    MSG_PING_REQ,
+    cmd_envelope,
+    pack_announce,
+    pack_ping_rsp,
+    parse_group_cmd,
+    parse_groups,
+    parse_ping_req,
+    wire_msg_type,
+)
+
+from controller_messages import process_data
+from settings import WIFI_CHANNEL_DEFAULT
+
+_PING_DELAY_MS_MIN = 50
+_PING_DELAY_MS_MAX = 500
+
+_esp = None
+_groups_received = False
+_debug = False
+
+
+def _dlog(*parts):
+    if _debug:
+        print(*parts)
+
+
+def init_espnow(settings):
+    global _esp, _debug
+    _debug = bool(settings.get("debug", False))
+    try:
+        ch = int(settings.get("wifi_channel", WIFI_CHANNEL_DEFAULT))
+    except (TypeError, ValueError):
+        ch = WIFI_CHANNEL_DEFAULT
+    ch = max(1, min(11, ch))
+    sta = network.WLAN(network.STA_IF)
+    sta.active(True)
+    sta.config(pm=network.WLAN.PM_NONE)
+    try:
+        sta.config(channel=ch)
+    except Exception as e:
+        print("espnow sta channel set failed:", e)
+    _esp = espnow.ESPNow()
+    _esp.active(True)
+    try:
+        _esp.add_peer(BROADCAST_MAC)
+        _dlog("espnow add bcast ok")
+    except Exception as e:
+        print("espnow add bcast failed:", e)
+    try:
+        actual_ch = sta.config("channel")
+    except Exception:
+        actual_ch = "?"
+    print("espnow init ch", ch, "sta_ch", actual_ch, "debug", _debug)
+    return _esp
+
+
+def _send_ping_rsp(host, settings, ping_id, delay_ms):
+    import utime
+
+    utime.sleep_ms(delay_ms)
+    if _esp is None or not host or len(host) != 6:
+        return
+    pkt = pack_ping_rsp(ping_id, settings.get("name", "led"))
+    try:
+        try:
+            _esp.add_peer(host)
+            _dlog("espnow ping add_peer ok", ubinascii.hexlify(host).decode())
+        except Exception as e:
+            _dlog("espnow ping add_peer skip", repr(e))
+        _esp.send(host, pkt)
+        print("espnow ping rsp", ping_id, delay_ms, "ms", ubinascii.hexlify(host).decode())
+    except Exception as e:
+        print("espnow ping rsp failed:", e, "host", ubinascii.hexlify(host).decode(), "len", len(pkt))
+
+
+async def _send_ping_rsp_delayed(host, settings, ping_id):
+    span = _PING_DELAY_MS_MAX - _PING_DELAY_MS_MIN
+    delay_ms = _PING_DELAY_MS_MIN + (urandom.getrandbits(10) % (span + 1))
+    await asyncio.sleep(delay_ms / 1000)
+    _send_ping_rsp(host, settings, ping_id, delay_ms)
+
+
+def _schedule_ping_rsp(host, settings, ping_id):
+    span = _PING_DELAY_MS_MAX - _PING_DELAY_MS_MIN
+    delay_ms = _PING_DELAY_MS_MIN + (urandom.getrandbits(10) % (span + 1))
+    try:
+        import _thread
+
+        _thread.start_new_thread(_send_ping_rsp, (host, settings, ping_id, delay_ms))
+    except ImportError:
+        asyncio.create_task(_send_ping_rsp_delayed(host, settings, ping_id))
+
+
+def send_boot_announce(settings):
+    if _esp is None:
+        return
+    pkt = pack_announce(
+        settings.get("name", "led"),
+        settings.get("num_leds", 1),
+        color_order=settings.get("color_order", "rgb"),
+        startup_mode=settings.get("startup_mode", "default"),
+        brightness=settings.get("brightness", 32),
+    )
+    try:
+        _esp.send(BROADCAST_MAC, pkt)
+        print("espnow announce", len(pkt), "B")
+    except Exception as e:
+        print("espnow announce failed:", e)
+
+
+def _handle_packet(host, pkt, settings, presets):
+    global _groups_received
+    mt = wire_msg_type(pkt)
+    if mt == MSG_GROUPS:
+        ids = parse_groups(pkt)
+        if ids is not None:
+            dg.groups_replace(ids, settings)
+            _groups_received = True
+            print("groups", ids)
+        return
+    if mt == MSG_GROUP_CMD:
+        parsed = parse_group_cmd(pkt)
+        if parsed is None:
+            return
+        gid, env = parsed
+        if not dg.in_group(gid):
+            return
+        from espnow_wire import _envelope_size
+
+        need = _envelope_size(env)
+        save = len(env) > need and env[need] == 1
+        body = env[:need] if save else env
+        if body:
+            process_data(body, settings, presets, save=save)
+        return
+    if mt == MSG_CMD:
+        env, save = cmd_envelope(pkt)
+        if env:
+            process_data(env, settings, presets, save=save)
+        return
+    if mt == MSG_PING_REQ:
+        ping_id = parse_ping_req(pkt)
+        if ping_id is not None and host and len(host) == 6:
+            _schedule_ping_rsp(host, settings, ping_id)
+        return
+    if mt == MSG_ANNOUNCE:
+        return
+
+
+async def espnow_receive_loop(settings, presets, wdt=None):
+    global _groups_received
+    while True:
+        if _esp is None:
+            await asyncio.sleep(0.1)
+            continue
+        host, msg = _esp.recv(0)
+        if not host:
+            if not _groups_received:
+                await asyncio.sleep(5)
+                send_boot_announce(settings)
+            else:
+                await asyncio.sleep(0.02)
+            if wdt:
+                wdt.feed()
+            continue
+        try:
+            _handle_packet(host, msg, settings, presets)
+        except Exception as e:
+            print("espnow rx error:", e)
+        if wdt:
+            wdt.feed()

src/espnow_wire.py

@@ -0,0 +1,135 @@
+"""ESP-NOW wire format (MicroPython). See docs/espnow-binary-protocol.md in led-controller."""
+
+import struct
+
+WIRE_MAGIC = 0x4C
+MAX_ESPNOW_PAYLOAD = 250
+
+MSG_ANNOUNCE = 0x01
+MSG_GROUPS = 0x02
+MSG_CMD = 0x03
+MSG_GROUP_CMD = 0x04
+MSG_PING_REQ = 0x05
+MSG_PING_RSP = 0x06
+
+BROADCAST_MAC = b"\xff\xff\xff\xff\xff\xff"
+
+COLOR_ORDER_TO_ENUM = {
+    "rgb": 0,
+    "rbg": 1,
+    "grb": 2,
+    "gbr": 3,
+    "brg": 4,
+    "bgr": 5,
+}
+STARTUP_MODE_TO_ENUM = {"default": 0, "last": 1, "off": 2}
+
+
+def _pack_header(msg_type, body):
+    pkt = bytes([WIRE_MAGIC, msg_type]) + body
+    if len(pkt) > MAX_ESPNOW_PAYLOAD:
+        raise ValueError("packet too large")
+    return pkt
+
+
+def pack_announce(
+    name,
+    num_leds,
+    color_order="rgb",
+    startup_mode="default",
+    brightness=32,
+    device_type=0,
+):
+    name_b = name.encode("utf-8")
+    co = COLOR_ORDER_TO_ENUM.get(str(color_order).lower(), 0)
+    sm = STARTUP_MODE_TO_ENUM.get(str(startup_mode).lower(), 0)
+    body = (
+        bytes([len(name_b)])
+        + name_b
+        + struct.pack("<H", int(num_leds))
+        + bytes([co & 7, sm & 3, max(0, min(255, int(brightness))), device_type & 255])
+    )
+    return _pack_header(MSG_ANNOUNCE, body)
+
+
+def parse_groups(payload):
+    if len(payload) >= 2 and payload[0] == WIRE_MAGIC:
+        if payload[1] != MSG_GROUPS:
+            return None
+        body = payload[2:]
+    else:
+        body = payload
+    if not body:
+        return []
+    off = 0
+    count = body[off]
+    off += 1
+    out = []
+    for _ in range(count):
+        gl = body[off]
+        off += 1
+        out.append(body[off : off + gl].decode("utf-8"))
+        off += gl
+    return out
+
+
+def parse_group_cmd(payload):
+    if len(payload) < 2 or payload[0] != WIRE_MAGIC or payload[1] != MSG_GROUP_CMD:
+        return None
+    body = payload[2:]
+    gl = body[0]
+    gid = body[1 : 1 + gl].decode("utf-8")
+    env = body[1 + gl :]
+    return gid, env
+
+
+HEADER_LEN = 5
+
+
+def _envelope_size(env):
+    if len(env) < HEADER_LEN:
+        return len(env)
+    lp, ls, ld = env[2], env[3], env[4]
+    return HEADER_LEN + lp + ls + ld
+
+
+def cmd_envelope(payload):
+    if len(payload) < 2 or payload[0] != WIRE_MAGIC or payload[1] != MSG_CMD:
+        return None, False
+    env = payload[2:]
+    if not env:
+        return None, False
+    need = _envelope_size(env)
+    if need > len(env):
+        return None, False
+    save = len(env) > need and env[need] == 1
+    return env[:need], save
+
+
+def pack_ping_req(ping_id):
+    body = struct.pack("<I", int(ping_id) & 0xFFFFFFFF)
+    return _pack_header(MSG_PING_REQ, body)
+
+
+def parse_ping_req(payload):
+    if len(payload) >= 2 and payload[0] == WIRE_MAGIC:
+        if payload[1] != MSG_PING_REQ:
+            return None
+        body = payload[2:]
+    else:
+        body = payload
+    if len(body) < 4:
+        return None
+    return struct.unpack("<I", body[:4])[0]
+
+
+def pack_ping_rsp(ping_id, name):
+    name_b = name.encode("utf-8")
+    body = struct.pack("<I", int(ping_id) & 0xFFFFFFFF) + bytes([len(name_b)]) + name_b
+    return _pack_header(MSG_PING_RSP, body)
+
+
+def wire_msg_type(payload):
+    if len(payload) >= 2 and payload[0] == WIRE_MAGIC:
+        return payload[1]
+    return None

src/file_hashes.py

@@ -0,0 +1,101 @@
+"""
+Deploy hash manifest at flash root (file_hashes.json).
+
+Updated by led-cli after directory uploads; used to skip unchanged files on
+the next deploy. Format: {"version": 1, "algorithm": "sha256", "files": {...}}
+"""
+
+import json
+import os
+
+MANIFEST_VERSION = 1
+MANIFEST_FILENAME = "file_hashes.json"
+HASH_ALGO = "sha256"
+
+_SKIP_NAMES = frozenset({MANIFEST_FILENAME, "__pycache__"})
+_SKIP_SUFFIXES = (".pyc", ".pyo")
+
+
+def _normalize_path(path):
+    return path.replace("\\", "/").lstrip("/")
+
+
+def load():
+    """Return path -> sha256 hex map, or {} if missing or invalid."""
+    try:
+        with open(MANIFEST_FILENAME, "r") as f:
+            doc = json.load(f)
+    except OSError:
+        return {}
+    if not isinstance(doc, dict):
+        return {}
+    files = doc.get("files")
+    return files if isinstance(files, dict) else {}
+
+
+def save(files):
+    """Write manifest (path keys use forward slashes, no leading slash)."""
+    if not isinstance(files, dict):
+        files = {}
+    doc = {
+        "version": MANIFEST_VERSION,
+        "algorithm": HASH_ALGO,
+        "files": files,
+    }
+    with open(MANIFEST_FILENAME, "w") as f:
+        json.dump(doc, f)
+
+
+def _hash_file(path):
+    import hashlib
+
+    h = hashlib.sha256()
+    with open(path, "rb") as f:
+        while True:
+            chunk = f.read(256)
+            if not chunk:
+                break
+            h.update(chunk)
+    return h.hexdigest()
+
+
+def _walk_dir(base, prefix, out):
+    try:
+        names = os.listdir(base)
+    except OSError:
+        return
+    for name in names:
+        if name in _SKIP_NAMES or name.endswith(_SKIP_SUFFIXES):
+            continue
+        full = base + "/" + name if base else name
+        key = _normalize_path((prefix + "/" + name) if prefix else name)
+        try:
+            mode = os.stat(full)[0]
+        except OSError:
+            continue
+        if mode & 0x4000:
+            _walk_dir(full, key, out)
+        else:
+            out[key] = _hash_file(full)
+
+
+def rebuild():
+    """Rebuild manifest from root .py files plus patterns/ and lib/ trees."""
+    files = {}
+    try:
+        for name in os.listdir("."):
+            if name in _SKIP_NAMES or name.endswith(_SKIP_SUFFIXES):
+                continue
+            try:
+                mode = os.stat(name)[0]
+            except OSError:
+                continue
+            if mode & 0x4000:
+                if name in ("patterns", "lib"):
+                    _walk_dir(name, name, files)
+            else:
+                files[_normalize_path(name)] = _hash_file(name)
+    except OSError:
+        pass
+    save(files)
+    return files

src/main.py

@@ -1,33 +1,26 @@
-import print_timestamp  # noqa: F401 — prefixes every print with [ticks_ms]
+import print_timestamp  # noqa: F401
 from settings import Settings
 import machine
-import utime
 import asyncio
-import json
 import gc
-from microdot import Microdot
-from microdot.websocket import WebSocketError, with_websocket
+import json
+import network
+import espnow
+import device_groups as dg
 from presets import Presets
 from controller_messages import apply_startup_pattern, process_data
-from runtime_state import RuntimeState
-from background_tasks import presets_loop, udp_hello_loop_after_http_ready
-from mem_stats import print_mem
-from wifi_sta import boot_sta
-try:
-    import uos as os
-except ImportError:
-    import os
+from espnow_transport import _handle_packet, init_espnow
+from espnow_wire import BROADCAST_MAC, WIRE_MAGIC
 
 wdt = machine.WDT(timeout=10000)
 wdt.feed()
 
 machine.freq(160000000)
 
-
 settings = Settings()
-
+dg.load_from_settings(settings)
+print(settings)
 gc.collect()
-sta_if = boot_sta(settings, wdt)
 
 presets = Presets(settings["led_pin"], settings["num_leds"])
 presets.load(settings)
@@ -37,130 +30,41 @@ gc.collect()
 
 apply_startup_pattern(settings, presets)
 
+esp = init_espnow(settings)
+print(network.WLAN(network.STA_IF).config("channel"))
 
-def _print_network_ips(controller_ip=None):
-    """Always log STA address and led-controller (WS client) address when known."""
-    try:
-        led_ip = sta_if.ifconfig()[0]
-    except Exception:
-        led_ip = "?"
-    ctrl = controller_ip if controller_ip else "(not connected)"
-    print("led-driver IP:", led_ip, "  led-controller IP:", ctrl)
+hello = json.dumps({
+    "v": "1",
+    "name": settings.get("name", "led"),
+    "type": "led",
+})
+print(hello)
+
+esp.send(BROADCAST_MAC, hello)
+print("espnow hello", len(hello), "B")
 
 
-_print_network_ips()
-print_mem("startup")
-
-runtime_state = RuntimeState()
-
-app = Microdot()
+def _on_espnow_message(host, msg):
+    if not msg:
+        return
+    if msg[0] == WIRE_MAGIC:
+        _handle_packet(host, msg, settings, presets)
+        return
+    if msg[0:1] == b"{":
+        process_data(msg, settings, presets)
 
 
-def _safe_pattern_filename(name):
-    if not isinstance(name, str):
-        return False
-    if not name.endswith(".py"):
-        return False
-    if "/" in name or "\\" in name or ".." in name:
-        return False
-    return True
 
-
-@app.route("/ws")
-@with_websocket
-async def ws_handler(request, ws):
-    runtime_state.ws_connected()
-    controller_ip = None
-    try:
-        client_addr = getattr(request, "client_addr", None)
-        if isinstance(client_addr, (tuple, list)) and client_addr:
-            controller_ip = client_addr[0]
-        elif isinstance(client_addr, str):
-            controller_ip = client_addr
-    except Exception:
-        controller_ip = None
-    _print_network_ips(controller_ip)
-    print_mem("ws connect")
-    try:
-        while True:
-            data = await ws.receive()
-            if not data:
-                break
-            process_data(data, settings, presets, controller_ip=controller_ip)
-    except WebSocketError as e:
-        print("WS client disconnected:", e)
-    except OSError as e:
-        print("WS client dropped (OSError):", e)
-    finally:
-        runtime_state.ws_disconnected()
-
-
-@app.post("/patterns/upload")
-async def upload_pattern(request):
-    """Receive one pattern file body from led-controller and reload patterns."""
-    raw_name = request.args.get("name")
-    reload_raw = request.args.get("reload", "1")
-    reload_patterns = str(reload_raw).strip().lower() not in ("0", "false", "no", "off")
-
-    if not isinstance(raw_name, str) or not raw_name.strip():
-        return json.dumps({"error": "name is required"}), 400, {
-            "Content-Type": "application/json"
-        }
-    body = request.body
-    if not isinstance(body, (bytes, bytearray)) or not body:
-        return json.dumps({"error": "code is required"}), 400, {
-            "Content-Type": "application/json"
-        }
-    try:
-        code = body.decode("utf-8")
-    except UnicodeError:
-        return json.dumps({"error": "body must be utf-8 text"}), 400, {
-            "Content-Type": "application/json"
-        }
-    if not code.strip():
-        return json.dumps({"error": "code is required"}), 400, {
-            "Content-Type": "application/json"
-        }
-
-    name = raw_name.strip()
-    if not name.endswith(".py"):
-        name += ".py"
-    if not _safe_pattern_filename(name) or name in ("__init__.py", "main.py"):
-        return json.dumps({"error": "invalid pattern filename"}), 400, {
-            "Content-Type": "application/json"
-        }
-
-    try:
-        os.mkdir("patterns")
-    except OSError:
-        pass
-
-    path = "patterns/" + name
-    try:
-        with open(path, "w") as f:
-            f.write(code)
-        if reload_patterns:
-            presets.reload_patterns()
-    except OSError as e:
-        print("patterns/upload failed:", e)
-        return json.dumps({"error": str(e)}), 500, {
-            "Content-Type": "application/json"
-        }
-
-    return json.dumps({
-        "message": "pattern uploaded",
-        "name": name,
-        "reloaded": reload_patterns,
-    }), 201, {"Content-Type": "application/json"}
-
-
-async def main(port=80):
-    asyncio.create_task(presets_loop(presets, wdt))
-    asyncio.create_task(
-        udp_hello_loop_after_http_ready(sta_if, settings, wdt, runtime_state)
-    )
-    await app.start_server(host="0.0.0.0", port=port)
-
-
-if __name__ == "__main__":
-    asyncio.run(main(port=80))
+while True:
+    wdt.feed()
+    while esp.any():
+        host, msg = esp.recv(0)
+        if not host or not msg:
+            continue
+        print(host, len(msg), "B")
+        try:
+            _on_espnow_message(host, msg)
+            print(msg)
+        except Exception as e:
+            print("espnow rx error:", e)
+    presets.tick()

src/patterns/aurora.py

@@ -26,13 +26,13 @@ class Aurora:
                     c = self.driver.apply_brightness(colors[idx], preset.b)
                     w = 255 - abs(128 - ((i * 8 + phase) & 255)) * 2
                     w = max(0, min(255, w + shimmer))
-                    self.driver.n[i] = (
+                    self.driver.n[self.driver.led_i(preset, i)] = (
                         (c[0] * w) // 255,
                         (c[1] * w) // 255,
                         (c[2] * w) // 255,
                     )
                 self.driver.n.write()
-                phase = (phase + 1) & 255
+                phase = (phase + self.driver.signed(preset, 1)) & 255
                 self.driver.step = phase
                 last = utime.ticks_add(last, d)
                 if not preset.a:
@@ -76,9 +76,9 @@ class Aurora:
                     peak = lerp3(colors[fi], colors[fi + 1], frac)
                     peak = self.driver.apply_brightness(peak, preset.b)
                     mixf = min(255, int(w * contrast * 2) >> 1)
-                    self.driver.n[i] = lerp3(bg, peak, mixf)
+                    self.driver.n[self.driver.led_i(preset, i)] = lerp3(bg, peak, mixf)
                 self.driver.n.write()
-                phase = (phase + drift) % 256
+                phase = (phase + self.driver.signed(preset, drift)) % 256
                 last = utime.ticks_add(last, d)
                 if not preset.a:
                     yield

src/patterns/blizzard.py

@@ -46,12 +46,14 @@ class Blizzard:
                 for pos, ci, wj in flakes:
                     p = pos
                     lateral = wind + (wj if wj else 0)
-                    p -= speed
-                    p += lateral
+                    p -= self.driver.signed(preset, speed)
+                    p += self.driver.signed(preset, lateral)
                     if p < -2 or p >= nled + 2:
                         continue
                     pi = max(0, min(nled - 1, int(p)))
-                    self.driver.n[pi] = self.driver.apply_brightness(colors[ci], preset.b)
+                    self.driver.n[self.driver.led_i(preset, pi)] = self.driver.apply_brightness(
+                        colors[ci], preset.b
+                    )
                     nf.append([p, ci, wj])
                 flakes = nf
 

src/patterns/chase.py

@@ -12,7 +12,7 @@ class Chase:
     def _run_marquee(self, preset, colors):
         on_len = max(1, int(preset.n1) if int(preset.n1) > 0 else 3)
         off_len = max(1, int(preset.n2) if int(preset.n2) > 0 else 2)
-        step = max(1, int(preset.n3) if int(preset.n3) > 0 else 1)
+        step = max(1, abs(self.driver.signed(preset, int(preset.n3) if int(preset.n3) > 0 else 1)))
         phase = self.driver.step % (on_len + off_len)
         last = utime.ticks_ms()
         while True:
@@ -23,9 +23,9 @@ class Chase:
                 bg_color = self.driver.apply_brightness(preset.background_or(colors), preset.b)
                 for i in range(self.driver.num_leds):
                     m = (i + phase) % (on_len + off_len)
-                    self.driver.n[i] = c if m < on_len else bg_color
+                    self.driver.n[self.driver.led_i(preset, i)] = c if m < on_len else bg_color
                 self.driver.n.write()
-                phase = (phase + step) % (on_len + off_len)
+                phase = (phase + self.driver.signed(preset, step)) % (on_len + off_len)
                 self.driver.step = phase
                 last = utime.ticks_add(last, d)
                 if not preset.a:
@@ -66,8 +66,8 @@ class Chase:
 
         n1 = max(1, int(preset.n1))  # LEDs of color 0
         n2 = max(1, int(preset.n2))  # LEDs of color 1
-        n3 = int(preset.n3)  # Step movement on even steps (can be negative)
-        n4 = int(preset.n4)  # Step movement on odd steps (can be negative)
+        n3 = self.driver.signed(preset, int(preset.n3))  # Step movement on even steps
+        n4 = self.driver.signed(preset, int(preset.n4))  # Step movement on odd steps
 
         segment_length = n1 + n2
 
@@ -101,9 +101,9 @@ class Chase:
 
                 # Determine which color based on position in segment
                 if relative_pos < n1:
-                    self.driver.n[i] = color0
+                    self.driver.n[self.driver.led_i(preset, i)] = color0
                 else:
-                    self.driver.n[i] = color1
+                    self.driver.n[self.driver.led_i(preset, i)] = color1
 
             self.driver.n.write()
             print("[chase] step", step_count)
@@ -147,9 +147,9 @@ class Chase:
 
                     # Determine which color based on position in segment
                     if relative_pos < n1:
-                        self.driver.n[i] = color0
+                        self.driver.n[self.driver.led_i(preset, i)] = color0
                     else:
-                        self.driver.n[i] = color1
+                        self.driver.n[self.driver.led_i(preset, i)] = color1
 
                 self.driver.n.write()
                 print("[chase] step", step_count)

src/patterns/colour_cycle.py

@@ -18,7 +18,7 @@ class ColourCycle:
         pos -= 170
         return (0, pos * 3, 255 - pos * 3)
 
-    def _render_gradient(self, colors, phase, brightness):
+    def _render_gradient(self, preset, colors, phase, brightness):
         num_leds = self.driver.num_leds
         color_count = len(colors)
         if num_leds <= 0 or color_count <= 0:
@@ -40,14 +40,16 @@ class ColourCycle:
                 c1[1] + ((c2[1] - c1[1]) * frac) // 256,
                 c1[2] + ((c2[2] - c1[2]) * frac) // 256,
             )
-            self.driver.n[i] = self.driver.apply_brightness(blended, brightness)
+            self.driver.n[self.driver.led_i(preset, i)] = self.driver.apply_brightness(
+                blended, brightness
+            )
         self.driver.n.write()
 
-    def _render_rainbow(self, phase, brightness):
+    def _render_rainbow(self, preset, phase, brightness):
         num_leds = self.driver.num_leds
         for i in range(num_leds):
             rc_index = (i * 256 // max(1, num_leds)) + phase
-            self.driver.n[i] = self.driver.apply_brightness(
+            self.driver.n[self.driver.led_i(preset, i)] = self.driver.apply_brightness(
                 self._wheel(rc_index & 255), brightness
             )
         self.driver.n.write()
@@ -64,8 +66,8 @@ class ColourCycle:
 
         if mode == 1:
             if not preset.a:
-                self._render_rainbow(phase, preset.b)
-                self.driver.step = (phase + step_amount) % 256
+                self._render_rainbow(preset, phase, preset.b)
+                self.driver.step = (phase + self.driver.signed(preset, step_amount)) % 256
                 yield
                 return
             last_update = utime.ticks_ms()
@@ -73,16 +75,16 @@ class ColourCycle:
                 delay_ms = max(1, int(preset.d))
                 now = utime.ticks_ms()
                 if utime.ticks_diff(now, last_update) >= delay_ms:
-                    self._render_rainbow(phase, preset.b)
-                    phase = (phase + step_amount) % 256
+                    self._render_rainbow(preset, phase, preset.b)
+                    phase = (phase + self.driver.signed(preset, step_amount)) % 256
                     self.driver.step = phase
                     last_update = utime.ticks_add(last_update, delay_ms)
                 yield
 
         colors = preset.c if preset.c else [(255, 0, 0), (0, 0, 255)]
         if not preset.a:
-            self._render_gradient(colors, phase, preset.b)
-            self.driver.step = (phase + step_amount) % 256
+            self._render_gradient(preset, colors, phase, preset.b)
+            self.driver.step = (phase + self.driver.signed(preset, step_amount)) % 256
             yield
             return
 
@@ -91,8 +93,8 @@ class ColourCycle:
             delay_ms = max(1, int(preset.d))
             now = utime.ticks_ms()
             if utime.ticks_diff(now, last_update) >= delay_ms:
-                self._render_gradient(colors, phase, preset.b)
-                phase = (phase + step_amount) % 256
+                self._render_gradient(preset, colors, phase, preset.b)
+                phase = (phase + self.driver.signed(preset, step_amount)) % 256
                 self.driver.step = phase
                 last_update = utime.ticks_add(last_update, delay_ms)
             yield

src/patterns/icicles.py

@@ -44,7 +44,7 @@ class Icicles:
                         if idx >= nled:
                             break
                         br = ((k + 1) * 255) // max(1, ic_len)
-                        self.driver.n[idx] = (
+                        self.driver.n[self.driver.led_i(preset, idx)] = (
                             (tip[0] * br + bg[0] * (255 - br)) // 255,
                             (tip[1] * br + bg[1] * (255 - br)) // 255,
                             (tip[2] * br + bg[2] * (255 - br)) // 255,
@@ -52,7 +52,7 @@ class Icicles:
                     aidx += 1
 
                 self.driver.n.write()
-                phase = (phase + phase_step) % span
+                phase = (phase + self.driver.signed(preset, phase_step)) % span
                 last = utime.ticks_add(last, d_ms)
 
                 if not preset.a:

src/patterns/meteor.py

@@ -30,9 +30,9 @@ class Meteor:
         base = colors[color_index % len(colors)]
         lit = self.driver.apply_brightness(base, preset.b)
         if 0 <= head < self.driver.num_leds:
-            self.driver.n[head] = lit
+            self.driver.n[self.driver.led_i(preset, head)] = lit
         self.driver.n.write()
-        head += direction * speed
+        head += self.driver.signed(preset, direction * speed)
         if head >= self.driver.num_leds + tail_len:
             head = self.driver.num_leds - 1
             direction = -1
@@ -62,14 +62,22 @@ class Meteor:
             i1 = p1 - t
             if 0 <= i1 < self.driver.num_leds:
                 s = (255 * (tail - t)) // max(1, tail)
-                self.driver.n[i1] = ((c1[0] * s) // 255, (c1[1] * s) // 255, (c1[2] * s) // 255)
+                self.driver.n[self.driver.led_i(preset, i1)] = (
+                    (c1[0] * s) // 255,
+                    (c1[1] * s) // 255,
+                    (c1[2] * s) // 255,
+                )
             i2 = p2 + t
             if 0 <= i2 < self.driver.num_leds:
                 s = (255 * (tail - t)) // max(1, tail)
-                self.driver.n[i2] = ((c2[0] * s) // 255, (c2[1] * s) // 255, (c2[2] * s) // 255)
+                self.driver.n[self.driver.led_i(preset, i2)] = (
+                    (c2[0] * s) // 255,
+                    (c2[1] * s) // 255,
+                    (c2[2] * s) // 255,
+                )
         self.driver.n.write()
-        p1 += speed
-        p2 -= speed
+        p1 += self.driver.signed(preset, speed)
+        p2 -= self.driver.signed(preset, speed)
         if p1 - tail > self.driver.num_leds and p2 + tail < 0:
             p1 = 0
             p2 = self.driver.num_leds - 1 - gap
@@ -89,10 +97,10 @@ class Meteor:
             if dist < 0:
                 dist = -dist
             if dist > width:
-                self.driver.n[i] = bg_color
+                self.driver.n[self.driver.led_i(preset, i)] = bg_color
             else:
                 scale = ((width - dist) * 255) // max(1, width)
-                self.driver.n[i] = (
+                self.driver.n[self.driver.led_i(preset, i)] = (
                     (base[0] * scale) // 255,
                     (base[1] * scale) // 255,
                     (base[2] * scale) // 255,
@@ -101,7 +109,7 @@ class Meteor:
         if pause_frames > 0:
             pause_frames -= 1
         else:
-            center += direction
+            center += self.driver.signed(preset, direction)
             if center >= self.driver.num_leds - 1:
                 center = self.driver.num_leds - 1
                 direction = -1
@@ -121,7 +129,11 @@ class Meteor:
 
         if mode == 1:
             gap = max(0, int(preset.n3))
-            p1, p2 = 0, self.driver.num_leds - 1 - gap
+            nled = self.driver.num_leds
+            if self.driver.is_reversed(preset):
+                p1, p2 = nled - 1, gap
+            else:
+                p1, p2 = 0, nled - 1 - gap
             last = utime.ticks_ms()
             while True:
                 p1, p2, last, stepped = self._run_comet_dual(preset, colors, p1, p2, last)
@@ -131,7 +143,11 @@ class Meteor:
                 yield
 
         if mode == 2:
-            color_index, center, direction, pause_frames = 0, 0, 1, 0
+            nled = self.driver.num_leds
+            if self.driver.is_reversed(preset):
+                color_index, center, direction, pause_frames = 0, max(0, nled - 1), -1, 0
+            else:
+                color_index, center, direction, pause_frames = 0, 0, 1, 0
             last_update = utime.ticks_ms()
             while True:
                 color_index, center, direction, pause_frames, last_update, stepped = (
@@ -144,7 +160,11 @@ class Meteor:
                     return
                 yield
 
-        color_index, head, direction = 0, 0, 1
+        nled = self.driver.num_leds
+        if self.driver.is_reversed(preset):
+            color_index, head, direction = 0, max(0, nled - 1), -1
+        else:
+            color_index, head, direction = 0, 0, 1
         last_update = utime.ticks_ms()
         while True:
             color_index, head, direction, last_update, stepped = self._run_meteor(

src/patterns/particles.py

@@ -12,7 +12,7 @@ class Particles:
 
     def _run_snowfall(self, preset, colors, flakes, last):
         density = max(1, int(preset.n1) if int(preset.n1) > 0 else 20)
-        speed = max(1, int(preset.n2) if int(preset.n2) > 0 else 1)
+        speed = max(1, abs(self.driver.signed(preset, int(preset.n2) if int(preset.n2) > 0 else 1)))
         d = max(1, int(preset.d))
         now = utime.ticks_ms()
         if utime.ticks_diff(now, last) < d:
@@ -25,8 +25,10 @@ class Particles:
         nf = []
         for pos, ci in flakes:
             if 0 <= pos < self.driver.num_leds:
-                self.driver.n[pos] = self.driver.apply_brightness(colors[ci], preset.b)
-            pos -= speed
+                self.driver.n[self.driver.led_i(preset, pos)] = self.driver.apply_brightness(
+                    colors[ci], preset.b
+                )
+            pos -= self.driver.signed(preset, speed)
             if pos >= -1:
                 nf.append([pos, ci])
         self.driver.n.write()
@@ -34,7 +36,7 @@ class Particles:
 
     def _run_starfall(self, preset, colors, stars, last):
         rate = max(1, min(255, int(preset.n1) if int(preset.n1) > 0 else 14))
-        speed = max(1, int(preset.n2) if int(preset.n2) > 0 else 2)
+        speed = max(1, abs(self.driver.signed(preset, int(preset.n2) if int(preset.n2) > 0 else 2)))
         tail = max(2, int(preset.n3) if int(preset.n3) > 0 else 10)
         max_stars = 4
         d = max(1, int(preset.d))
@@ -65,13 +67,14 @@ class Particles:
                         (base[2] * fade) // 255,
                     )
                     lit = self.driver.apply_brightness(lit, preset.b)
-                    o = self.driver.n[idx]
-                    self.driver.n[idx] = (
+                    pix = self.driver.led_i(preset, idx)
+                    o = self.driver.n[pix]
+                    self.driver.n[pix] = (
                         max(o[0], lit[0]),
                         max(o[1], lit[1]),
                         max(o[2], lit[2]),
                     )
-            h -= speed
+            h -= self.driver.signed(preset, speed)
             if h >= -tail:
                 s["h"] = h
                 ns.append(s)

src/patterns/pattern_direction.py

@@ -0,0 +1,19 @@
+"""Strip install direction: n5 bit 0 reverses along-strip motion (upside-down wiring)."""
+
+
+def is_reversed(preset):
+    return bool(int(getattr(preset, "n5", 0) or 0) & 1)
+
+
+def led_i(driver, preset, logical_index):
+    """Map a logical strip index (0 = pattern start) to a physical pixel index."""
+    n = int(driver.num_leds)
+    i = int(logical_index)
+    if 0 <= i < n and is_reversed(preset):
+        return n - 1 - i
+    return i
+
+
+def signed(preset, value):
+    v = int(value)
+    return -v if is_reversed(preset) else v

src/patterns/pulse.py

@@ -13,13 +13,8 @@ class Pulse:
         bg_base = preset.background_or(colors)
         self.driver.fill(self.driver.apply_brightness(bg_base, preset.b))
 
+        manual = not preset.a
         color_index = self.driver.step % max(1, len(colors))
-        if not preset.a:
-            # Manual / beat trigger: each select restarts this generator and resets
-            # cycle_start below. Advancing step here makes each beat the next colour
-            # without requiring a full wall-clock cycle between beats.
-            nclr = max(1, len(colors))
-            self.driver.step = (color_index + 1) % nclr
         cycle_start = utime.ticks_ms()
 
         # State machine based pulse using a single generator loop
@@ -29,7 +24,7 @@ class Pulse:
             attack_ms = max(0, int(preset.n1))  # Attack time in ms
             hold_ms = max(0, int(preset.n2))    # Hold time in ms
             decay_ms = max(0, int(preset.n3))   # Decay time in ms
-            delay_ms = max(0, int(preset.d))
+            delay_ms = 0 if manual else max(0, int(preset.d))
 
             total_ms = attack_ms + hold_ms + decay_ms + delay_ms
             if total_ms <= 0:
@@ -58,12 +53,13 @@ class Pulse:
                 # Delay phase: LEDs off between pulses
                 self.driver.fill(bg_color)
             else:
-                # End of cycle: auto advances colour and loops; manual already
-                # advanced step at run start for the next beat.
-                if not preset.a:
-                    break
-                color_index = (color_index + 1) % max(1, len(colors))
+                # End of cycle: advance colour for the next run, then loop or stop.
+                nclr = max(1, len(colors))
+                color_index = (color_index + 1) % nclr
                 self.driver.step = color_index
+                if manual:
+                    self.driver.fill(bg_color)
+                    break
                 cycle_start = now
                 yield
                 continue

src/preset.py

@@ -32,6 +32,18 @@ class Preset:
         int_fields = {"d", "b", "n1", "n2", "n3", "n4", "n5", "n6"}
         allowed_fields = {"p", "c", "d", "b", "a", "bg", "n1", "n2", "n3", "n4", "n5", "n6"}
         for key, value in data.items():
+            if key == "reverse":
+                try:
+                    if isinstance(value, bool):
+                        self.n5 = 1 if value else 0
+                    elif isinstance(value, (int, float)):
+                        self.n5 = 1 if int(value) else 0
+                    elif isinstance(value, str):
+                        lowered = value.lower()
+                        self.n5 = 1 if lowered in ("true", "1", "yes", "on") else 0
+                except (TypeError, ValueError):
+                    pass
+                continue
             key = aliases.get(key, key)
             if key not in allowed_fields:
                 continue

src/presets.py

@@ -4,6 +4,7 @@ from preset import Preset
 from utils import convert_and_reorder_colors
 import json
 import sys
+import utime
 try:
     import uos as os
 except ImportError:
@@ -31,6 +32,7 @@ class Presets:
         self.patterns = {
             "off": self.off,
             "on": self.on,
+            "blink": self.blink,
         }
         self.patterns.update(self._load_dynamic_patterns())
 
@@ -193,20 +195,23 @@ class Presets:
         if preset_name in self.presets:
             preset = self.presets[preset_name]
             if preset.p in self.patterns:
-                # Manual single-shot patterns: if this select arrives before the main loop has
-                # tick()'d the previous frame, completing it first keeps step in sync with beats.
+                if preset.p == "off":
+                    self.generator = None
+                    self.step = 0
+                    self.fill((0, 0, 0))
+                    self.selected = preset_name
+                    return True
+                # If re-selecting the same preset before the main loop has tick()'d the
+                # previous frame, run one pending tick so step stays in sync.
                 if (
                     preset_name == self.selected
-                    and not preset.a
-                    and preset.p == "chase"
                     and self.generator is not None
                 ):
-                    while self.generator is not None:
-                        self.tick()
+                    self.tick()
                 # Set step value if explicitly provided
                 if step is not None:
                     self.step = step
-                elif preset.p == "off" or self.selected != preset_name:
+                elif self.selected != preset_name:
                     self.step = 0
                 self.generator = self.patterns[preset.p](preset)
                 self.selected = preset_name  # Store the preset name, not the object
@@ -222,6 +227,21 @@ class Presets:
         self.n = NeoPixel(Pin(pin, Pin.OUT), num_leds)
         self.num_leds = num_leds
 
+    def is_reversed(self, preset):
+        from patterns.pattern_direction import is_reversed as _is_reversed
+
+        return _is_reversed(preset)
+
+    def led_i(self, preset, logical_index):
+        from patterns.pattern_direction import led_i as _led_i
+
+        return _led_i(self, preset, logical_index)
+
+    def signed(self, preset, value):
+        from patterns.pattern_direction import signed as _signed
+
+        return _signed(preset, value)
+
     def apply_brightness(self, color, brightness_override=None):
         # Combine per-preset brightness (override) with global brightness self.b
         local = brightness_override if brightness_override is not None else 255
@@ -241,4 +261,44 @@ class Presets:
     def on(self, preset):
         colors = preset.c
         color = colors[0] if colors else (255, 255, 255)
-        self.fill(self.apply_brightness(color, preset.b))
+        lit = self.apply_brightness(color, preset.b)
+        while True:
+            self.fill(lit)
+            yield
+
+    def blink(self, preset):
+        """Built-in blink (used by controller identify); no patterns/ deploy required."""
+        colors = preset.c if preset.c else [(255, 255, 255)]
+        bg_color = self.apply_brightness(preset.background_or(colors), preset.b)
+        color_index = 0
+        delay_ms = max(1, int(preset.d))
+        period = delay_ms * 2
+        now = utime.ticks_ms()
+        # Phase-lock to wall time so group identify (broadcast select) stays in sync even
+        # when devices process the packet on different main-loop iterations.
+        phase = now % period if period else 0
+        state = phase < delay_ms
+        last_update = utime.ticks_add(now, -phase)
+        if state:
+            base = colors[color_index % len(colors)]
+            self.fill(self.apply_brightness(base, preset.b))
+            color_index += 1
+        else:
+            self.fill(bg_color)
+        while True:
+            now = utime.ticks_ms()
+            if utime.ticks_diff(now, last_update) >= delay_ms:
+                if state:
+                    base = colors[color_index % len(colors)]
+                    self.fill(self.apply_brightness(base, preset.b))
+                    color_index += 1
+                else:
+                    self.fill(bg_color)
+                state = not state
+                last_update = utime.ticks_add(last_update, delay_ms)
+            yield
+
+
+def run_tick(presets):
+    """Advance one animation frame (standalone tests / mpremote demos)."""
+    presets.tick()

src/settings.py

@@ -3,6 +3,8 @@ import ubinascii
 import machine
 import network
 
+WIFI_CHANNEL_DEFAULT = 5
+
 class Settings(dict):
     SETTINGS_FILE = "/settings.json"
 
@@ -14,9 +16,9 @@ class Settings(dict):
     def set_defaults(self):
 
         self["led_pin"] = 10
-        self["num_leds"] = 119
+        self["num_leds"] = 200
       
-        self["color_order"] = "rgb"
+        self["color_order"] = "grb"
 
         sta = network.WLAN(network.STA_IF)
         sta.active(True)
@@ -31,11 +33,10 @@ class Settings(dict):
         # Power-on: "default" | "last" | "off"
         self["startup_mode"] = "default"
         self["brightness"] = 32
-        self["transport_type"] = "espnow"
-        self["wifi_channel"] = 1
-        # ESP-NOW transport (requires espnow firmware; uses wifi_channel).
-        self["ssid"] = ""
-        self["password"] = ""
+      
+        self["wifi_channel"] = WIFI_CHANNEL_DEFAULT
+        self["groups"] = []
+
 
     def save(self):
         try:

src/v1_wire.py

@@ -0,0 +1,36 @@
+"""Expand short v1 wire keys to long names (MicroPython)."""
+
+
+K_PRESETS = "p"
+K_SELECT = "s"
+K_GROUPS = "g"
+K_SET_GROUPS = "sg"
+K_SAVE = "sv"
+K_DEFAULT = "df"
+K_DEVICE_CONFIG = "dc"
+K_CLEAR_PRESETS = "cp"
+K_MANIFEST = "mf"
+
+_SHORT_TO_LONG = {
+    K_PRESETS: "presets",
+    K_SELECT: "select",
+    K_GROUPS: "groups",
+    K_SET_GROUPS: "set_groups",
+    K_SAVE: "save",
+    K_DEFAULT: "default",
+    K_DEVICE_CONFIG: "device_config",
+    K_CLEAR_PRESETS: "clear_presets",
+    K_MANIFEST: "manifest",
+}
+
+
+def expand_v1(data):
+    if not isinstance(data, dict):
+        return data
+    out = dict(data)
+    for short_key, long_key in _SHORT_TO_LONG.items():
+        if short_key in data and long_key not in out:
+            out[long_key] = data[short_key]
+            if short_key in out:
+                del out[short_key]
+    return out

tests/bridge_ws_blink.py

@@ -0,0 +1,169 @@
+#!/usr/bin/env python3
+"""Send blink preset + select to a driver via the ESP-NOW bridge WebSocket.
+
+Pairs with the on-device demo ``tests/patterns/blink.py``: same preset slot,
+pattern, and colours; this script reaches the driver over ESP-NOW through
+``espnow-sender`` (devices envelope, not legacy broadcast JSON).
+
+Run from the **led-controller** repo (needs ``websockets`` in Pipenv)::
+
+    pipenv run python led-driver/tests/bridge_ws_blink.py
+
+    pipenv run python led-driver/tests/bridge_ws_blink.py \\
+        --url ws://192.168.4.1/ws --mac 18:8b:0e:15:60:a8
+
+From **led-driver** (if Pipenv/env is the parent project)::
+
+    pipenv run python tests/bridge_ws_blink.py --dry-run
+"""
+
+from __future__ import annotations
+
+import argparse
+import asyncio
+import json
+import re
+import sys
+from pathlib import Path
+from typing import Any, Dict, Optional
+
+# led-driver/tests -> led-driver -> led-controller
+LED_DRIVER_ROOT = Path(__file__).resolve().parents[1]
+PROJECT_ROOT = LED_DRIVER_ROOT.parent
+
+
+def _load_bridge_url(explicit: Optional[str]) -> str:
+    if explicit and explicit.strip():
+        return explicit.strip()
+    for path in (PROJECT_ROOT / "settings.json", LED_DRIVER_ROOT / "settings.json"):
+        if not path.is_file():
+            continue
+        try:
+            data = json.loads(path.read_text(encoding="utf-8"))
+            url = str(data.get("bridge_ws_url") or "").strip()
+            if url:
+                return url
+        except (OSError, json.JSONDecodeError, TypeError):
+            pass
+    return "ws://192.168.4.1/ws"
+
+
+def _format_mac(mac: str) -> str:
+    s = re.sub(r"[^0-9a-fA-F]", "", str(mac or "").strip().lower())
+    if len(s) != 12 or not re.fullmatch(r"[0-9a-f]{12}", s):
+        raise ValueError("MAC must be 12 hex digits (e.g. 188b0e1560a8)")
+    return ":".join(s[i : i + 2] for i in range(0, 12, 2))
+
+
+def build_blink_envelope(
+    mac: str,
+    *,
+    preset_id: str = "2",
+    delay_ms: int = 200,
+    brightness: int = 64,
+) -> Dict[str, Any]:
+    """v1 devices envelope: preset body + list select (same shape as the Pi)."""
+    body = {
+        "p": {
+            preset_id: {
+                "p": "blink",
+                "b": max(0, min(255, int(brightness))),
+                "d": max(1, int(delay_ms)),
+                "c": ["#FF0000", "#0000FF"],
+                "a": True,
+            }
+        },
+        "s": [str(preset_id)],
+    }
+    return {"v": "1", "dv": {_format_mac(mac): body}}
+
+
+async def _send(url: str, envelope: Dict[str, Any], hold_s: float) -> None:
+    import websockets
+
+    packet = json.dumps(envelope, separators=(",", ":")).encode("utf-8")
+    print(f"connecting to {url}")
+    async with websockets.connect(url, ping_interval=20, ping_timeout=20) as ws:
+        print(f"connected, sending {len(packet)} B")
+        print(packet.decode("utf-8"))
+        await ws.send(packet)
+        if hold_s > 0:
+            print(f"holding connection {hold_s}s …")
+            await asyncio.sleep(hold_s)
+    print("done")
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser(
+        description="Send blink preset+select to one driver via bridge WebSocket.",
+    )
+    parser.add_argument(
+        "--url",
+        default=None,
+        help="Bridge WebSocket URL (default: settings.json bridge_ws_url or ws://192.168.4.1/ws)",
+    )
+    parser.add_argument(
+        "--mac",
+        default="188b0e1560a8",
+        help="Driver MAC (12 hex, colons optional). Default: registry example id.",
+    )
+    parser.add_argument(
+        "--preset-id",
+        default="2",
+        help="Wire preset slot id (default: 2, matches zone push)",
+    )
+    parser.add_argument(
+        "--delay-ms",
+        type=int,
+        default=200,
+        help="Blink delay in ms (default: 200)",
+    )
+    parser.add_argument(
+        "--brightness",
+        type=int,
+        default=64,
+        help="Preset brightness 0–255 (default: 64)",
+    )
+    parser.add_argument(
+        "--hold",
+        type=float,
+        default=2.0,
+        help="Seconds to keep WebSocket open after send (default: 2)",
+    )
+    parser.add_argument(
+        "--dry-run",
+        action="store_true",
+        help="Print envelope only; do not connect",
+    )
+    args = parser.parse_args()
+
+    url = _load_bridge_url(args.url)
+    try:
+        envelope = build_blink_envelope(
+            args.mac,
+            preset_id=args.preset_id,
+            delay_ms=args.delay_ms,
+            brightness=args.brightness,
+        )
+    except ValueError as e:
+        print(f"error: {e}", file=sys.stderr)
+        return 1
+
+    print(f"url={url!r} mac={_format_mac(args.mac)!r}")
+    if args.dry_run:
+        print(json.dumps(envelope, indent=2))
+        return 0
+
+    try:
+        asyncio.run(_send(url, envelope, args.hold))
+    except KeyboardInterrupt:
+        print("interrupted")
+        return 130
+    except Exception as e:
+        print(f"failed: {e!r}", file=sys.stderr)
+        return 1
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())

tests/device_test_radio_diag.py

@@ -0,0 +1,116 @@
+"""Device-side radio diagnostic test (MicroPython).
+
+Checks:
+1) STA/AP bring-up on channel 5
+2) ESP-NOW init and broadcast peer add
+3) Broadcast TX test packet send
+4) RX wait window to see any incoming ESP-NOW frames
+"""
+
+import espnow
+import machine
+import network
+import time
+import ubinascii
+
+
+CHANNEL = 5
+RX_WINDOW_MS = 3000
+WDT_TIMEOUT_MS = 10000
+BROADCAST_MAC = b"\xff\xff\xff\xff\xff\xff"
+TEST_PAYLOAD = b"\x4c\x05\x01\x00\x00\x00"
+
+
+def _mac_hex(mac_bytes):
+    try:
+        return ubinascii.hexlify(mac_bytes).decode()
+    except Exception:
+        return "?"
+
+
+def run_diag(channel=CHANNEL, rx_window_ms=RX_WINDOW_MS):
+    wdt = machine.WDT(timeout=WDT_TIMEOUT_MS)
+    wdt.feed()
+
+    print("diag start")
+    print("cpu freq", machine.freq())
+
+    sta = network.WLAN(network.STA_IF)
+    ap = network.WLAN(network.AP_IF)
+
+    # Clean start
+    try:
+        sta.active(False)
+        ap.active(False)
+        time.sleep_ms(100)
+    except Exception as e:
+        print("wifi reset failed", repr(e))
+
+    # STA setup
+    try:
+        sta.active(True)
+        sta.config(pm=network.WLAN.PM_NONE)
+        sta.config(channel=channel)
+        print("sta ok ch", sta.config("channel"), "mac", _mac_hex(sta.config("mac")))
+    except Exception as e:
+        print("sta setup failed", repr(e))
+
+    # AP setup
+    try:
+        ap.active(True)
+        try:
+            ap.config(essid="diag-ap", channel=channel, hidden=True)
+        except TypeError:
+            ap.config(essid="diag-ap", channel=channel)
+        print("ap ok ch", ap.config("channel"), "mac", _mac_hex(ap.config("mac")))
+    except Exception as e:
+        print("ap setup failed", repr(e))
+
+    wdt.feed()
+
+    # ESP-NOW setup
+    try:
+        e = espnow.ESPNow()
+        e.active(True)
+        print("espnow active ok")
+    except Exception as e_err:
+        print("espnow init failed", repr(e_err))
+        return
+
+    # Add broadcast peer
+    try:
+        e.add_peer(BROADCAST_MAC, channel=channel)
+        print("add bcast peer ok")
+    except TypeError:
+        try:
+            e.add_peer(BROADCAST_MAC)
+            print("add bcast peer ok (no channel arg)")
+        except Exception as e_err:
+            print("add bcast peer failed", repr(e_err))
+    except Exception as e_err:
+        print("add bcast peer failed", repr(e_err))
+
+    # TX test
+    try:
+        ok = e.send(BROADCAST_MAC, TEST_PAYLOAD, True)
+        print("tx bcast", ok, "len", len(TEST_PAYLOAD))
+    except Exception as e_err:
+        print("tx bcast failed", repr(e_err))
+
+    # RX window
+    print("rx window ms", rx_window_ms)
+    t_end = time.ticks_add(time.ticks_ms(), rx_window_ms)
+    rx_count = 0
+    while time.ticks_diff(t_end, time.ticks_ms()) > 0:
+        wdt.feed()
+        host, msg = e.recv(100)
+        if host:
+            rx_count += 1
+            print("rx", rx_count, _mac_hex(host), "len", len(msg))
+        time.sleep_ms(5)
+
+    print("diag done rx_count", rx_count)
+
+
+if __name__ == "__main__":
+    run_diag()

tests/device_test_recv_ch5.py

@@ -0,0 +1,40 @@
+"""Device test: receive ESP-NOW packets on channel 5 (MicroPython)."""
+
+import espnow
+import machine
+import network
+import ubinascii
+import time
+
+
+CHANNEL = 5
+TIMEOUT_MS = 1000
+WDT_TIMEOUT_MS = 10000
+
+
+def _set_channel(channel):
+    sta = network.WLAN(network.STA_IF)
+    sta.active(True)
+    sta.config(pm=network.WLAN.PM_NONE)
+    sta.config(channel=channel)
+
+
+def recv_loop(channel=CHANNEL, timeout_ms=TIMEOUT_MS):
+    wdt = machine.WDT(timeout=WDT_TIMEOUT_MS)
+    _set_channel(channel)
+    e = espnow.ESPNow()
+    e.active(True)
+    print("recv ready ch", channel)
+    while True:
+        wdt.feed()
+        host, msg = e.recv(timeout_ms)
+        if host:
+            mac_hex = ubinascii.hexlify(host).decode()
+            print("rx", mac_hex, "len", len(msg), "hex", ubinascii.hexlify(msg).decode())
+        else:
+            print("rx timeout")
+        time.sleep_ms(10)
+
+
+if __name__ == "__main__":
+    recv_loop()

tests/device_test_send_ch5.py

@@ -0,0 +1,47 @@
+"""Device test: send one ESP-NOW packet on channel 5 (MicroPython)."""
+
+import espnow
+import machine
+import network
+import ubinascii
+
+
+CHANNEL = 5
+DEST_HEX = "ffffffffffff"
+PAYLOAD_HEX = "4c0501000000"
+WDT_TIMEOUT_MS = 10000
+
+
+def _set_channel(channel):
+    sta = network.WLAN(network.STA_IF)
+    sta.active(True)
+    sta.config(pm=network.WLAN.PM_NONE)
+    sta.config(channel=channel)
+
+
+def _add_peer(esp, dest, channel):
+    try:
+        esp.add_peer(dest, channel=channel)
+    except TypeError:
+        esp.add_peer(dest)
+    except OSError:
+        pass
+
+
+def send_once(dest_hex=DEST_HEX, payload_hex=PAYLOAD_HEX, channel=CHANNEL):
+    wdt = machine.WDT(timeout=WDT_TIMEOUT_MS)
+    wdt.feed()
+    dest = ubinascii.unhexlify(dest_hex)
+    pkt = ubinascii.unhexlify(payload_hex)
+    _set_channel(channel)
+    e = espnow.ESPNow()
+    e.active(True)
+    _add_peer(e, dest, channel)
+    wdt.feed()
+    ok = e.send(dest, pkt, True)
+    print("sent", ok, "ch", channel, "dest", dest_hex, "len", len(pkt))
+    return ok
+
+
+if __name__ == "__main__":
+    send_once()

tests/patterns/blink.py

@@ -1,35 +1,74 @@
 #!/usr/bin/env python3
+"""Standalone blink pattern demo (WDT-fed tick loop).
+
+Run on device::
+
+    mpremote connect <port> run tests/patterns/blink.py
+"""
+import sys
 import utime
-from machine import WDT
-from settings import Settings
-from presets import Presets, run_tick
+
+
+def _bootstrap_import_path():
+    """Find ``settings`` / ``presets`` on device or when run via mpremote."""
+    try:
+        import uos as os
+    except ImportError:
+        import os
+
+    candidates = []
+    try:
+        here = __file__.rsplit("/", 1)[0]
+        if here:
+            candidates.append(here)
+            tests = here.rsplit("/", 1)[0]
+            if tests:
+                candidates.append(tests)
+                root = tests.rsplit("/", 1)[0]
+                if root:
+                    candidates.append(root)
+                    candidates.append(root + "/src")
+    except NameError:
+        pass
+    for p in (".", "..", "/", "src", "/src"):
+        candidates.append(p)
+    for p in candidates:
+        if p and p not in sys.path:
+            sys.path.insert(0, p)
+
+
+_bootstrap_import_path()
+
+from machine import WDT  # noqa: E402
+from settings import Settings  # noqa: E402
+from presets import Presets  # noqa: E402
+
+
+def _run_ms(presets, wdt, duration_ms, sleep_ms=10):
+    start = utime.ticks_ms()
+    while utime.ticks_diff(utime.ticks_ms(), start) < duration_ms:
+        wdt.feed()
+        presets.tick()
+        utime.sleep_ms(sleep_ms)
 
 
 def main():
-    s = Settings()
-    pin = s.get("led_pin", 10)
-    num = s.get("num_leds", 30)
-
-    p = Presets(pin=pin, num_leds=num)
+    settings = Settings()
+    presets = Presets(settings.get("led_pin", 10), settings.get("num_leds", 30))
     wdt = WDT(timeout=10000)
 
-    # Create blink preset (use short-key fields: p=pattern, b=brightness, d=delay, c=colors)
-    p.edit("test_blink", {
-        "p": "blink",
-        "b": 64,
-        "d": 200,
-        "c": [(255, 0, 0), (0, 0, 255)],
-    })
-    p.select("test_blink")
-
-    start = utime.ticks_ms()
-    while utime.ticks_diff(utime.ticks_ms(), start) < 1500:
-        wdt.feed()
-        run_tick(p)
-        utime.sleep_ms(10)
+    presets.edit(
+        "test_blink",
+        {
+            "p": "blink",
+            "b": 64,
+            "d": 200,
+            "c": [(255, 0, 0), (0, 0, 255)],
+        },
+    )
+    presets.select("test_blink")
+    _run_ms(presets, wdt, 1500)
 
 
 if __name__ == "__main__":
     main()
-
-