Initial commit

This commit is contained in:
Jimmy 2025-01-18 16:26:30 +13:00
parent 2aa7cd038c
commit c3fb9566da
22 changed files with 3005 additions and 0 deletions

1
.gitignore vendored Normal file
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settings.json

33
dev.py Executable file
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#!/usr/bin/env python3
import subprocess
import serial
import sys
print(sys.argv)
port = sys.argv[1]
cmd = sys.argv[1]
for cmd in sys.argv[1:]:
print(cmd)
match cmd:
case "src":
subprocess.call(["mpremote", "connect", port, "fs", "cp", "-r", ".", ":" ], cwd="src")
case "lib":
subprocess.call(["mpremote", "connect", port, "fs", "cp", "-r", "lib", ":" ])
case "ls":
subprocess.call(["mpremote", "connect", port, "fs", "ls", ":" ])
case "reset":
with serial.Serial(port, baudrate=115200) as ser:
ser.write(b'\x03\x03\x04')
case "follow":
with serial.Serial(port, baudrate=115200) as ser:
while True:
if ser.in_waiting > 0: # Check if there is data in the buffer
data = ser.readline().decode('utf-8').strip() # Read and decode the data
print(data)

2
lib/microdot/__init__.py Normal file
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from microdot.microdot import Microdot, Request, Response, abort, redirect, \
send_file # noqa: F401

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lib/microdot/helpers.py Normal file
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try:
from functools import wraps
except ImportError: # pragma: no cover
# MicroPython does not currently implement functools.wraps
def wraps(wrapped):
def _(wrapper):
return wrapper
return _

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lib/microdot/microdot.py Normal file

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lib/microdot/utemplate.py Normal file
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from utemplate import recompile
_loader = None
class Template:
"""A template object.
:param template: The filename of the template to render, relative to the
configured template directory.
"""
@classmethod
def initialize(cls, template_dir='templates',
loader_class=recompile.Loader):
"""Initialize the templating subsystem.
:param template_dir: the directory where templates are stored. This
argument is optional. The default is to load
templates from a *templates* subdirectory.
:param loader_class: the ``utemplate.Loader`` class to use when loading
templates. This argument is optional. The default
is the ``recompile.Loader`` class, which
automatically recompiles templates when they
change.
"""
global _loader
_loader = loader_class(None, template_dir)
def __init__(self, template):
if _loader is None: # pragma: no cover
self.initialize()
#: The name of the template
self.name = template
self.template = _loader.load(template)
def generate(self, *args, **kwargs):
"""Return a generator that renders the template in chunks, with the
given arguments."""
return self.template(*args, **kwargs)
def render(self, *args, **kwargs):
"""Render the template with the given arguments and return it as a
string."""
return ''.join(self.generate(*args, **kwargs))
def generate_async(self, *args, **kwargs):
"""Return an asynchronous generator that renders the template in
chunks, using the given arguments."""
class sync_to_async_iter():
def __init__(self, iter):
self.iter = iter
def __aiter__(self):
return self
async def __anext__(self):
try:
return next(self.iter)
except StopIteration:
raise StopAsyncIteration
return sync_to_async_iter(self.generate(*args, **kwargs))
async def render_async(self, *args, **kwargs):
"""Render the template with the given arguments asynchronously and
return it as a string."""
response = ''
async for chunk in self.generate_async(*args, **kwargs):
response += chunk
return response

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lib/microdot/websocket.py Normal file
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import binascii
import hashlib
from microdot import Request, Response
from microdot.microdot import MUTED_SOCKET_ERRORS, print_exception
from microdot.helpers import wraps
class WebSocketError(Exception):
"""Exception raised when an error occurs in a WebSocket connection."""
pass
class WebSocket:
"""A WebSocket connection object.
An instance of this class is sent to handler functions to manage the
WebSocket connection.
"""
CONT = 0
TEXT = 1
BINARY = 2
CLOSE = 8
PING = 9
PONG = 10
#: Specify the maximum message size that can be received when calling the
#: ``receive()`` method. Messages with payloads that are larger than this
#: size will be rejected and the connection closed. Set to 0 to disable
#: the size check (be aware of potential security issues if you do this),
#: or to -1 to use the value set in
#: ``Request.max_body_length``. The default is -1.
#:
#: Example::
#:
#: WebSocket.max_message_length = 4 * 1024 # up to 4KB messages
max_message_length = -1
def __init__(self, request):
self.request = request
self.closed = False
async def handshake(self):
response = self._handshake_response()
await self.request.sock[1].awrite(
b'HTTP/1.1 101 Switching Protocols\r\n')
await self.request.sock[1].awrite(b'Upgrade: websocket\r\n')
await self.request.sock[1].awrite(b'Connection: Upgrade\r\n')
await self.request.sock[1].awrite(
b'Sec-WebSocket-Accept: ' + response + b'\r\n\r\n')
async def receive(self):
"""Receive a message from the client."""
while True:
opcode, payload = await self._read_frame()
send_opcode, data = self._process_websocket_frame(opcode, payload)
if send_opcode: # pragma: no cover
await self.send(data, send_opcode)
elif data: # pragma: no branch
return data
async def send(self, data, opcode=None):
"""Send a message to the client.
:param data: the data to send, given as a string or bytes.
:param opcode: a custom frame opcode to use. If not given, the opcode
is ``TEXT`` or ``BINARY`` depending on the type of the
data.
"""
frame = self._encode_websocket_frame(
opcode or (self.TEXT if isinstance(data, str) else self.BINARY),
data)
await self.request.sock[1].awrite(frame)
async def close(self):
"""Close the websocket connection."""
if not self.closed: # pragma: no cover
self.closed = True
await self.send(b'', self.CLOSE)
def _handshake_response(self):
connection = False
upgrade = False
websocket_key = None
for header, value in self.request.headers.items():
h = header.lower()
if h == 'connection':
connection = True
if 'upgrade' not in value.lower():
return self.request.app.abort(400)
elif h == 'upgrade':
upgrade = True
if not value.lower() == 'websocket':
return self.request.app.abort(400)
elif h == 'sec-websocket-key':
websocket_key = value
if not connection or not upgrade or not websocket_key:
return self.request.app.abort(400)
d = hashlib.sha1(websocket_key.encode())
d.update(b'258EAFA5-E914-47DA-95CA-C5AB0DC85B11')
return binascii.b2a_base64(d.digest())[:-1]
@classmethod
def _parse_frame_header(cls, header):
fin = header[0] & 0x80
opcode = header[0] & 0x0f
if fin == 0 or opcode == cls.CONT: # pragma: no cover
raise WebSocketError('Continuation frames not supported')
has_mask = header[1] & 0x80
length = header[1] & 0x7f
if length == 126:
length = -2
elif length == 127:
length = -8
return fin, opcode, has_mask, length
def _process_websocket_frame(self, opcode, payload):
if opcode == self.TEXT:
payload = payload.decode()
elif opcode == self.BINARY:
pass
elif opcode == self.CLOSE:
raise WebSocketError('Websocket connection closed')
elif opcode == self.PING:
return self.PONG, payload
elif opcode == self.PONG: # pragma: no branch
return None, None
return None, payload
@classmethod
def _encode_websocket_frame(cls, opcode, payload):
frame = bytearray()
frame.append(0x80 | opcode)
if opcode == cls.TEXT:
payload = payload.encode()
if len(payload) < 126:
frame.append(len(payload))
elif len(payload) < (1 << 16):
frame.append(126)
frame.extend(len(payload).to_bytes(2, 'big'))
else:
frame.append(127)
frame.extend(len(payload).to_bytes(8, 'big'))
frame.extend(payload)
return frame
async def _read_frame(self):
header = await self.request.sock[0].read(2)
if len(header) != 2: # pragma: no cover
raise WebSocketError('Websocket connection closed')
fin, opcode, has_mask, length = self._parse_frame_header(header)
if length == -2:
length = await self.request.sock[0].read(2)
length = int.from_bytes(length, 'big')
elif length == -8:
length = await self.request.sock[0].read(8)
length = int.from_bytes(length, 'big')
max_allowed_length = Request.max_body_length \
if self.max_message_length == -1 else self.max_message_length
if length > max_allowed_length:
raise WebSocketError('Message too large')
if has_mask: # pragma: no cover
mask = await self.request.sock[0].read(4)
payload = await self.request.sock[0].read(length)
if has_mask: # pragma: no cover
payload = bytes(x ^ mask[i % 4] for i, x in enumerate(payload))
return opcode, payload
async def websocket_upgrade(request):
"""Upgrade a request handler to a websocket connection.
This function can be called directly inside a route function to process a
WebSocket upgrade handshake, for example after the user's credentials are
verified. The function returns the websocket object::
@app.route('/echo')
async def echo(request):
if not authenticate_user(request):
abort(401)
ws = await websocket_upgrade(request)
while True:
message = await ws.receive()
await ws.send(message)
"""
ws = WebSocket(request)
await ws.handshake()
@request.after_request
async def after_request(request, response):
return Response.already_handled
return ws
def websocket_wrapper(f, upgrade_function):
@wraps(f)
async def wrapper(request, *args, **kwargs):
ws = await upgrade_function(request)
try:
await f(request, ws, *args, **kwargs)
except OSError as exc:
if exc.errno not in MUTED_SOCKET_ERRORS: # pragma: no cover
raise
except WebSocketError:
pass
except Exception as exc:
print_exception(exc)
finally: # pragma: no cover
try:
await ws.close()
except Exception:
pass
return Response.already_handled
return wrapper
def with_websocket(f):
"""Decorator to make a route a WebSocket endpoint.
This decorator is used to define a route that accepts websocket
connections. The route then receives a websocket object as a second
argument that it can use to send and receive messages::
@app.route('/echo')
@with_websocket
async def echo(request, ws):
while True:
message = await ws.receive()
await ws.send(message)
"""
return websocket_wrapper(f, websocket_upgrade)

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lib/utemplate/compiled.py Normal file
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class Loader:
def __init__(self, pkg, dir):
if dir == ".":
dir = ""
else:
dir = dir.replace("/", ".") + "."
if pkg and pkg != "__main__":
dir = pkg + "." + dir
self.p = dir
def load(self, name):
name = name.replace(".", "_")
return __import__(self.p + name, None, None, (name,)).render

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# (c) 2014-2020 Paul Sokolovsky. MIT license.
try:
from uos import stat, remove
except:
from os import stat, remove
from . import source
class Loader(source.Loader):
def load(self, name):
o_path = self.pkg_path + self.compiled_path(name)
i_path = self.pkg_path + self.dir + "/" + name
try:
o_stat = stat(o_path)
i_stat = stat(i_path)
if i_stat[8] > o_stat[8]:
# input file is newer, remove output to force recompile
remove(o_path)
finally:
return super().load(name)

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lib/utemplate/source.py Normal file
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# (c) 2014-2019 Paul Sokolovsky. MIT license.
from . import compiled
class Compiler:
START_CHAR = "{"
STMNT = "%"
STMNT_END = "%}"
EXPR = "{"
EXPR_END = "}}"
def __init__(self, file_in, file_out, indent=0, seq=0, loader=None):
self.file_in = file_in
self.file_out = file_out
self.loader = loader
self.seq = seq
self._indent = indent
self.stack = []
self.in_literal = False
self.flushed_header = False
self.args = "*a, **d"
def indent(self, adjust=0):
if not self.flushed_header:
self.flushed_header = True
self.indent()
self.file_out.write("def render%s(%s):\n" % (str(self.seq) if self.seq else "", self.args))
self.stack.append("def")
self.file_out.write(" " * (len(self.stack) + self._indent + adjust))
def literal(self, s):
if not s:
return
if not self.in_literal:
self.indent()
self.file_out.write('yield """')
self.in_literal = True
self.file_out.write(s.replace('"', '\\"'))
def close_literal(self):
if self.in_literal:
self.file_out.write('"""\n')
self.in_literal = False
def render_expr(self, e):
self.indent()
self.file_out.write('yield str(' + e + ')\n')
def parse_statement(self, stmt):
tokens = stmt.split(None, 1)
if tokens[0] == "args":
if len(tokens) > 1:
self.args = tokens[1]
else:
self.args = ""
elif tokens[0] == "set":
self.indent()
self.file_out.write(stmt[3:].strip() + "\n")
elif tokens[0] == "include":
if not self.flushed_header:
# If there was no other output, we still need a header now
self.indent()
tokens = tokens[1].split(None, 1)
args = ""
if len(tokens) > 1:
args = tokens[1]
if tokens[0][0] == "{":
self.indent()
# "1" as fromlist param is uPy hack
self.file_out.write('_ = __import__(%s.replace(".", "_"), None, None, 1)\n' % tokens[0][2:-2])
self.indent()
self.file_out.write("yield from _.render(%s)\n" % args)
return
with self.loader.input_open(tokens[0][1:-1]) as inc:
self.seq += 1
c = Compiler(inc, self.file_out, len(self.stack) + self._indent, self.seq)
inc_id = self.seq
self.seq = c.compile()
self.indent()
self.file_out.write("yield from render%d(%s)\n" % (inc_id, args))
elif len(tokens) > 1:
if tokens[0] == "elif":
assert self.stack[-1] == "if"
self.indent(-1)
self.file_out.write(stmt + ":\n")
else:
self.indent()
self.file_out.write(stmt + ":\n")
self.stack.append(tokens[0])
else:
if stmt.startswith("end"):
assert self.stack[-1] == stmt[3:]
self.stack.pop(-1)
elif stmt == "else":
assert self.stack[-1] == "if"
self.indent(-1)
self.file_out.write("else:\n")
else:
assert False
def parse_line(self, l):
while l:
start = l.find(self.START_CHAR)
if start == -1:
self.literal(l)
return
self.literal(l[:start])
self.close_literal()
sel = l[start + 1]
#print("*%s=%s=" % (sel, EXPR))
if sel == self.STMNT:
end = l.find(self.STMNT_END)
assert end > 0
stmt = l[start + len(self.START_CHAR + self.STMNT):end].strip()
self.parse_statement(stmt)
end += len(self.STMNT_END)
l = l[end:]
if not self.in_literal and l == "\n":
break
elif sel == self.EXPR:
# print("EXPR")
end = l.find(self.EXPR_END)
assert end > 0
expr = l[start + len(self.START_CHAR + self.EXPR):end].strip()
self.render_expr(expr)
end += len(self.EXPR_END)
l = l[end:]
else:
self.literal(l[start])
l = l[start + 1:]
def header(self):
self.file_out.write("# Autogenerated file\n")
def compile(self):
self.header()
for l in self.file_in:
self.parse_line(l)
self.close_literal()
return self.seq
class Loader(compiled.Loader):
def __init__(self, pkg, dir):
super().__init__(pkg, dir)
self.dir = dir
if pkg == "__main__":
# if pkg isn't really a package, don't bother to use it
# it means we're running from "filesystem directory", not
# from a package.
pkg = None
self.pkg_path = ""
if pkg:
p = __import__(pkg)
if isinstance(p.__path__, str):
# uPy
self.pkg_path = p.__path__
else:
# CPy
self.pkg_path = p.__path__[0]
self.pkg_path += "/"
def input_open(self, template):
path = self.pkg_path + self.dir + "/" + template
return open(path)
def compiled_path(self, template):
return self.dir + "/" + template.replace(".", "_") + ".py"
def load(self, name):
try:
return super().load(name)
except (OSError, ImportError):
pass
compiled_path = self.pkg_path + self.compiled_path(name)
f_in = self.input_open(name)
f_out = open(compiled_path, "w")
c = Compiler(f_in, f_out, loader=self)
c.compile()
f_in.close()
f_out.close()
return super().load(name)

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import wifi
import time
from settings import Settings
print(wifi.ap('qwerty'))
settings = Settings()
ssid = settings.get('wifi', {}).get('ssid', None)
password = settings.get('wifi', {}).get('password', None)
ip = settings.get('wifi', {}).get('ip', None)
gateway = settings.get('wifi', {}).get('gateway', None)
for i in range(10):
config = wifi.connect(ssid, password, ip, gateway)
if config:
print(config)
break
time.sleep(0.1)

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src/main.py Normal file
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import asyncio
from settings import Settings
from web import web
from patterns import Patterns
import gc
import utime
import machine
import ntptime
import time
import wifi
async def main():
settings = Settings()
patterns = Patterns(4, settings["num_leds"], selected=settings["selected_pattern"])
patterns.set_color1(tuple(int(settings["color1"][i:i+2], 16) for i in (1, 5, 3)))
patterns.set_color2(tuple(int(settings["color2"][i:i+2], 16) for i in (1, 5, 3)))
patterns.set_brightness(int(settings["brightness"]))
patterns.set_delay(int(settings["delay"]))
w = web(settings, patterns)
print(settings)
# start the server in a bacakground task
print("Starting")
server = asyncio.create_task(w.start_server(host="0.0.0.0", port=80))
wdt = machine.WDT(timeout=10000)
async def tick():
while True:
patterns.tick()
await asyncio.sleep_ms(1)
asyncio.create_task(tick())
first = True
while True:
#print(time.localtime())
# gc.collect()
for i in range(60):
wdt.feed()
await asyncio.sleep_ms(500)
# cleanup before ending the application
await server
asyncio.run(main())

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src/patterns.py Normal file
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from machine import Pin
from neopixel import NeoPixel
import utime
import random
class Patterns:
def __init__(self, pin, num_leds, color1=(0,0,0), color2=(0,0,0), brightness=127, selected="rainbow_cycle", delay=100):
self.n = NeoPixel(Pin(pin, Pin.OUT), num_leds)
self.num_leds = num_leds
self.pattern_step = 0
self.last_update = utime.ticks_ms()
self.delay = delay
self.brightness = brightness
self.patterns = {
"off": self.off,
"on" : self.on,
"color_wipe": self.color_wipe_step,
"rainbow_cycle": self.rainbow_cycle_step,
"theater_chase": self.theater_chase_step,
"blink": self.blink_step,
"random_color_wipe": self.random_color_wipe_step,
"random_rainbow_cycle": self.random_rainbow_cycle_step,
"random_theater_chase": self.random_theater_chase_step,
"random_blink": self.random_blink_step,
"color_transition": self.color_transition_step,
"2 step forward 1 step back": self.two_steps_forward_one_step_back_step,
"external": None
}
self.selected = selected
self.color1 = color1
self.color2 = color2
self.transition_duration = 50 # Duration of color transition in milliseconds
self.transition_step = 0
def sync(self):
self.pattern_step=0
self.last_update = utime.ticks_ms()
def tick(self):
if self.patterns[self.selected]:
self.patterns[self.selected]()
def update_num_leds(self, pin, num_leds):
self.n = NeoPixel(Pin(pin, Pin.OUT), num_leds)
self.num_leds = num_leds
self.pattern_step = 0
def set_delay(self, delay):
self.delay = delay
def set_brightness(self, brightness):
self.brightness = brightness
def set_color1(self, color):
print(color)
self.color1 = self.apply_brightness(color)
def set_color2(self, color):
self.color2 = self.apply_brightness(color)
def apply_brightness(self, color):
return tuple(int(c * self.brightness / 255) for c in color)
def select(self, pattern):
if pattern in self.patterns:
self.selected = pattern
return True
return False
def set(self, i, color):
self.n[i] = color
def write(self):
self.n.write()
def fill(self):
for i in range(self.num_leds):
self.n[i] = self.color1
self.n.write()
def off(self):
color = self.color1
self.color1 = (0,0,0)
self.fill()
self.color1 = color
def on(self):
color = self.color1
self.color1 = self.apply_brightness(self.color1)
self.fill()
self.color1 = color
def color_wipe_step(self):
color = self.apply_brightness(self.color1)
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
if self.pattern_step < self.num_leds:
for i in range(self.num_leds):
self.n[i] = (0, 0, 0)
self.n[self.pattern_step] = self.apply_brightness(color)
self.n.write()
self.pattern_step += 1
else:
self.pattern_step = 0
self.last_update = current_time
def rainbow_cycle_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay/5:
def wheel(pos):
if pos < 85:
return (pos * 3, 255 - pos * 3, 0)
elif pos < 170:
pos -= 85
return (255 - pos * 3, 0, pos * 3)
else:
pos -= 170
return (0, pos * 3, 255 - pos * 3)
for i in range(self.num_leds):
rc_index = (i * 256 // self.num_leds) + self.pattern_step
self.n[i] = self.apply_brightness(wheel(rc_index & 255))
self.n.write()
self.pattern_step = (self.pattern_step + 1) % 256
self.last_update = current_time
def theater_chase_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
for i in range(self.num_leds):
if (i + self.pattern_step) % 3 == 0:
self.n[i] = self.apply_brightness(self.color1)
else:
self.n[i] = (0, 0, 0)
self.n.write()
self.pattern_step = (self.pattern_step + 1) % 3
self.last_update = current_time
def blink_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
if self.pattern_step % 2 == 0:
for i in range(self.num_leds):
self.n[i] = self.apply_brightness(self.color1)
else:
for i in range(self.num_leds):
self.n[i] = (0, 0, 0)
self.n.write()
self.pattern_step = (self.pattern_step + 1) % 2
self.last_update = current_time
def random_color_wipe_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
color = (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255))
if self.pattern_step < self.num_leds:
for i in range(self.num_leds):
self.n[i] = (0, 0, 0)
self.n[self.pattern_step] = self.apply_brightness(color)
self.n.write()
self.pattern_step += 1
else:
self.pattern_step = 0
self.last_update = current_time
def random_rainbow_cycle_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
def wheel(pos):
if pos < 85:
return (pos * 3, 255 - pos * 3, 0)
elif pos < 170:
pos -= 85
return (255 - pos * 3, 0, pos * 3)
else:
pos -= 170
return (0, pos * 3, 255 - pos * 3)
random_offset = random.randint(0, 255)
for i in range(self.num_leds):
rc_index = (i * 256 // self.num_leds) + self.pattern_step + random_offset
self.n[i] = self.apply_brightness(wheel(rc_index & 255))
self.n.write()
self.pattern_step = (self.pattern_step + 1) % 256
self.last_update = current_time
def random_theater_chase_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
color = (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255))
for i in range(self.num_leds):
if (i + self.pattern_step) % 3 == 0:
self.n[i] = self.apply_brightness(color)
else:
self.n[i] = (0, 0, 0)
self.n.write()
self.pattern_step = (self.pattern_step + 1) % 3
self.last_update = current_time
def random_blink_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
color = (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255))
if self.pattern_step % 2 == 0:
for i in range(self.num_leds):
self.n[i] = self.apply_brightness(color)
else:
for i in range(self.num_leds):
self.n[i] = (0, 0, 0)
self.n.write()
self.pattern_step = (self.pattern_step + 1) % 2
self.last_update = current_time
def color_transition_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
# Calculate transition factor based on elapsed time
transition_factor = (self.pattern_step * 100) / self.transition_duration
if transition_factor > 100:
transition_factor = 100
color = self.interpolate_color(self.color1, self.color2, transition_factor / 100)
# Apply the interpolated color to all LEDs
for i in range(self.num_leds):
self.n[i] = self.apply_brightness(color)
self.n.write()
self.pattern_step += self.delay
if self.pattern_step > self.transition_duration:
self.pattern_step = 0
self.last_update = current_time
def interpolate_color(self, color1, color2, factor):
return (
int(color1[0] + (color2[0] - color1[0]) * factor),
int(color1[1] + (color2[1] - color1[1]) * factor),
int(color1[2] + (color2[2] - color1[2]) * factor)
)
def two_steps_forward_one_step_back_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
# Move forward 2 steps and backward 1 step
if self.direction == 1: # Moving forward
if self.scanner_position < self.num_leds - 2:
self.scanner_position += 2 # Move forward 2 steps
else:
self.direction = -1 # Change direction to backward
else: # Moving backward
if self.scanner_position > 0:
self.scanner_position -= 1 # Move backward 1 step
else:
self.direction = 1 # Change direction to forward
# Set all LEDs to off
for i in range(self.num_leds):
self.n[i] = (0, 0, 0)
# Set the current position to the color
self.n[self.scanner_position] = self.apply_brightness(self.color1)
# Apply the color transition
transition_factor = (self.pattern_step * 100) / self.transition_duration
if transition_factor > 100:
transition_factor = 100
color = self.interpolate_color(self.color1, self.color2, transition_factor / 100)
self.n[self.scanner_position] = self.apply_brightness(color)
self.n.write()
self.pattern_step += self.delay
if self.pattern_step > self.transition_duration:
self.pattern_step = 0
self.last_update = current_time
if __name__ == "__main__":
p = Patterns(4, 180)
p.set_color1((255,0,0))
p.set_color2((0,255,0))
#p.set_delay(10)
try:
while True:
for key in p.patterns:
print(key)
p.select(key)
for _ in range(2000):
p.tick()
utime.sleep_ms(1)
except KeyboardInterrupt:
p.fill((0, 0, 0))

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import json
class Settings(dict):
SETTINGS_FILE = "/settings.json"
def __init__(self):
super().__init__()
self.load() # Load settings from file during initialization
def set_defaults(self):
self["num_leds"] = 50
self["selected_pattern"] = "blink"
self["color1"] = "#000f00"
self["color2"] = "#0f0000"
self["delay"] = 100
self["brightness"] = 100
self["wifi"] = {"ssid": "", "password": ""}
def save(self):
try:
j = json.dumps(self)
with open(self.SETTINGS_FILE, 'w') as file:
file.write(j)
print("Settings saved successfully.")
except Exception as e:
print(f"Error saving settings: {e}")
def load(self):
try:
with open(self.SETTINGS_FILE, 'r') as file:
loaded_settings = json.load(file)
self.update(loaded_settings)
print("Settings loaded successfully.")
except Exception as e:
print(f"Error loading settings")
self.set_defaults()
# Example usage
def main():
settings = Settings()
print(f"Number of LEDs: {settings['num_leds']}")
settings['num_leds'] = 100
print(f"Updated number of LEDs: {settings['num_leds']}")
settings.save()
# Create a new Settings object to test loading
new_settings = Settings()
print(f"Loaded number of LEDs: {new_settings['num_leds']}")
print(settings)
# Run the example
if __name__ == "__main__":
main()

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body {
font-family: Arial, sans-serif;
max-width: 600px;
margin: 0 auto;
padding: 20px;
line-height: 1.6;
}
h1 {
text-align: center;
}
form {
margin-bottom: 20px;
}
label {
display: block;
margin-bottom: 5px;
}
input[type="text"], input[type="submit"], input[type="range"], input[type="color"] {
width: 100%;
margin-bottom: 10px;
box-sizing: border-box;
}
input[type="range"] {
-webkit-appearance: none;
appearance: none;
height: 25px;
background: #d3d3d3;
outline: none;
opacity: 0.7;
transition: opacity .2s;
}
input[type="range"]:hover {
opacity: 1;
}
input[type="range"]::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 25px;
height: 25px;
background: #4CAF50;
cursor: pointer;
border-radius: 50%;
}
input[type="range"]::-moz-range-thumb {
width: 25px;
height: 25px;
background: #4CAF50;
cursor: pointer;
border-radius: 50%;
}
#pattern_buttons {
display: flex;
flex-wrap: wrap;
gap: 10px;
margin-bottom: 20px;
}
#pattern_buttons button {
flex: 1 0 calc(33.333% - 10px);
padding: 10px;
background-color: #4CAF50;
color: white;
border: none;
cursor: pointer;
transition: background-color 0.3s;
}
#pattern_buttons button:hover {
background-color: #45a049;
}
@media (max-width: 480px) {
#pattern_buttons button {
flex: 1 0 calc(50% - 10px);
}
}

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let delayTimeout;
let brightnessTimeout;
let colorTimeout;
let color2Timeout;
async function post(path, data) {
console.log(`POST to ${path}`, data);
try {
const response = await fetch(path, {
method: "POST",
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify(data) // Convert data to JSON string
});
if (!response.ok) {
throw new Error(`HTTP error! Status: ${response.status}`);
}
} catch (error) {
console.error('Error during POST request:', error);
}
}
async function get(path) {
try {
const response = await fetch(path);
if (!response.ok) {
throw new Error(`HTTP error! Status: ${response.status}`);
}
return await response.json(); // Assuming you are expecting JSON response
} catch (error) {
console.error('Error during GET request:', error);
}
}
async function updateColor(event) {
event.preventDefault();
clearTimeout(colorTimeout);
colorTimeout = setTimeout(async function() {
const color = document.getElementById('color').value;
await post("/color", { color }); // Send as JSON
}, 500);
}
async function updateColor2(event) {
event.preventDefault();
clearTimeout(color2Timeout);
color2Timeout = setTimeout(async function() {
const color = document.getElementById('color2').value;
await post("/color2", { color }); // Send as JSON
}, 500);
}
async function updatePattern(pattern) {
event.preventDefault();
await post("/pattern", { pattern }); // Send as JSON
}
async function updateBrightness(event) {
event.preventDefault();
clearTimeout(brightnessTimeout);
brightnessTimeout = setTimeout(async function() {
const brightness = document.getElementById('brightness').value;
await post('/brightness', { brightness }); // Send as JSON
}, 500);
}
async function updateDelay(event) {
event.preventDefault();
clearTimeout(delayTimeout);
delayTimeout = setTimeout(async function() {
const delay = document.getElementById('delay').value;
await post('/delay', { delay }); // Send as JSON
}, 500);
}
async function updateNumLeds(event) {
event.preventDefault();
const numLeds = document.getElementById('num_leds').value;
await post('/num_leds', { num_leds: numLeds }); // Send as JSON
}
async function updateWifi(event) {
event.preventDefault();
const ssid = document.getElementById('ssid').value;
const password = document.getElementById('password').value;
const ip = document.getElementById('ip').value;
const gateway = document.getElementById('gateway').value;
const wifiSettings = { ssid, password, ip, gateway }; // Create JSON object
console.log(wifiSettings);
const response = await post('/wifi_settings', wifiSettings); // Send as JSON
if (response === 500) {
alert("Failed to connect to Wi-Fi");
}
}
function createPatternButtons(patterns) {
const container = document.getElementById('pattern_buttons');
container.innerHTML = ''; // Clear previous buttons
patterns.forEach(pattern => {
const button = document.createElement('button');
button.type = 'button'; // Use 'button' instead of 'submit'
button.textContent = pattern;
button.value = pattern;
button.addEventListener('click', async function(event) {
event.preventDefault();
await updatePattern(pattern);
});
container.appendChild(button);
});
}
document.addEventListener('DOMContentLoaded', async function() {
document.getElementById('color').addEventListener('input', updateColor);
document.getElementById('color2').addEventListener('input', updateColor2);
document.getElementById('delay').addEventListener('input', updateDelay);
document.getElementById('brightness').addEventListener('input', updateBrightness);
document.getElementById('num_leds_form').addEventListener('submit', updateNumLeds);
document.getElementById('wifi_form').addEventListener('submit', updateWifi);
document.getElementById('delay').addEventListener('touchend', updateDelay);
document.getElementById('brightness').addEventListener('touchend', updateBrightness);
document.querySelectorAll(".pattern_button").forEach(button => {
console.log(button.value);
button.addEventListener('click', async event => {
event.preventDefault();
await updatePattern(button.value);
});
});
});
// Function to toggle the display of the settings menu
function selectSettings() {
const settingsMenu = document.getElementById('settings_menu');
controls = document.getElementById('controls');
settingsMenu.style.display = 'block';
controls.style.display = 'none';
}
function selectControls() {
const settingsMenu = document.getElementById('settings_menu');
controls = document.getElementById('controls');
settingsMenu.style.display = 'none';
controls.style.display = 'block';
}

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{% args settings, patterns %}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>LED Control</title>
<script src="static/main.js"></script>
<link rel="stylesheet" href="static/main.css">
</head>
<body>
<h1>Control LEDs</h1>
<button onclick="selectControls()">Controls</button>
<button onclick="selectSettings()">Settings</button>
<!-- Main LED Controls -->
<div id="controls">
<div id="pattern_buttons">
{% for p in patterns %}
<button class="pattern_button" value="{{p}}">{{p}}</button>
{% endfor %}
<!-- Pattern buttons will be inserted here -->
</div>
<form id="delay_form" method="post" action="/delay">
<label for="delay">Delay:</label>
<input type="range" id="delay" name="delay" min="1" max="1000" value="{{settings['delay']}}" step="10">
</form>
<form id="brightness_form" method="post" action="/brightness">
<label for="brightness">Brightness:</label>
<input type="range" id="brightness" name="brightness" min="0" max="100" value="{{settings['brightness']}}" step="1">
</form>
<form id="color_form" method="post" action="/color">
<input type="color" id="color" name="color" value="{{settings['color1']}}">
</form>
<form id="color2_form" method="post" action="/color2">
<input type="color" id="color2" name="color2" value="{{settings['color2']}}">
</form>
</div>
<!-- Settings Menu for num_leds, Wi-Fi SSID, and Password -->
<div id="settings_menu" style="display: none;">
<h2>Settings</h2>
<!-- Separate form for submitting num_leds -->
<form id="num_leds_form" method="post" action="/num_leds">
<label for="num_leds">Number of LEDs:</label>
<input type="text" id="num_leds" name="num_leds" value="{{settings['num_leds']}}">
<input type="submit" value="Update Number of LEDs">
</form>
<!-- Form for Wi-Fi SSID and password -->
<form id="wifi_form" method="post" action="/wifi_settings">
<label for="ssid">Wi-Fi SSID:</label>
<input type="text" id="ssid" name="ssid" value="{{settings['wifi']['ssid']}}">
<br>
<label for="password">Wi-Fi Password:</label>
<input type="password" id="password" name="password">
<br>
<label for="ip">Wi-Fi IP:</label>
<input type="ip" id="ip" name="ip" value="{{settings.get('wifi', {}).get('ip', '')}}">
<br>
<label for="gateway">Wi-Fi Gateway:</label>
<input type="gateway" id="gateway" name="gateway" value="{{settings.get('wifi', {}).get('gateway', '')}}">
<br>
<input type="submit" value="Save Wi-Fi Settings">
</form>
</div>
</body>
</html>

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# Autogenerated file
def render(settings, patterns):
yield """<!DOCTYPE html>
<html lang=\"en\">
<head>
<meta charset=\"UTF-8\">
<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">
<title>LED Control</title>
<script src=\"static/main.js\"></script>
<link rel=\"stylesheet\" href=\"static/main.css\">
</head>
<body>
<h1>Control LEDs</h1>
<button onclick=\"selectControls()\">Controls</button>
<button onclick=\"selectSettings()\">Settings</button>
<!-- Main LED Controls -->
<div id=\"controls\">
<div id=\"pattern_buttons\">
"""
for p in patterns:
yield """ <button class=\"pattern_button\" value=\""""
yield str(p)
yield """\">"""
yield str(p)
yield """</button>
"""
yield """
<!-- Pattern buttons will be inserted here -->
</div>
<form id=\"delay_form\" method=\"post\" action=\"/delay\">
<label for=\"delay\">Delay:</label>
<input type=\"range\" id=\"delay\" name=\"delay\" min=\"1\" max=\"1000\" value=\""""
yield str(settings['delay'])
yield """\" step=\"10\">
</form>
<form id=\"brightness_form\" method=\"post\" action=\"/brightness\">
<label for=\"brightness\">Brightness:</label>
<input type=\"range\" id=\"brightness\" name=\"brightness\" min=\"0\" max=\"100\" value=\""""
yield str(settings['brightness'])
yield """\" step=\"1\">
</form>
<form id=\"color_form\" method=\"post\" action=\"/color\">
<input type=\"color\" id=\"color\" name=\"color\" value=\""""
yield str(settings['color1'])
yield """\">
</form>
<form id=\"color2_form\" method=\"post\" action=\"/color2\">
<input type=\"color\" id=\"color2\" name=\"color2\" value=\""""
yield str(settings['color2'])
yield """\">
</form>
</div>
<!-- Settings Menu for num_leds, Wi-Fi SSID, and Password -->
<div id=\"settings_menu\" style=\"display: none;\">
<h2>Settings</h2>
<!-- Separate form for submitting num_leds -->
<form id=\"num_leds_form\" method=\"post\" action=\"/num_leds\">
<label for=\"num_leds\">Number of LEDs:</label>
<input type=\"text\" id=\"num_leds\" name=\"num_leds\" value=\""""
yield str(settings['num_leds'])
yield """\">
<input type=\"submit\" value=\"Update Number of LEDs\">
</form>
<!-- Form for Wi-Fi SSID and password -->
<form id=\"wifi_form\" method=\"post\" action=\"/wifi_settings\">
<label for=\"ssid\">Wi-Fi SSID:</label>
<input type=\"text\" id=\"ssid\" name=\"ssid\" value=\""""
yield str(settings['wifi']['ssid'])
yield """\">
<br>
<label for=\"password\">Wi-Fi Password:</label>
<input type=\"password\" id=\"password\" name=\"password\">
<br>
<label for=\"ip\">Wi-Fi IP:</label>
<input type=\"ip\" id=\"ip\" name=\"ip\" value=\""""
yield str(settings.get('wifi', {}).get('ip', ''))
yield """\">
<br>
<label for=\"gateway\">Wi-Fi Gateway:</label>
<input type=\"gateway\" id=\"gateway\" name=\"gateway\" value=\""""
yield str(settings.get('wifi', {}).get('gateway', ''))
yield """\">
<br>
<input type=\"submit\" value=\"Save Wi-Fi Settings\">
</form>
</div>
</body>
</html>
"""

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from microdot import Microdot, send_file, Response
from microdot.utemplate import Template
from microdot.websocket import with_websocket
import json
import wifi
def web(settings, patterns):
app = Microdot()
Response.default_content_type = 'text/html'
@app.route('/')
async def index(request):
return Template('/index.html').render(settings=settings, patterns=patterns.patterns.keys())
@app.route("/static/<path:path>")
def static(request, path):
if '..' in path:
# Directory traversal is not allowed
return 'Not found', 404
return send_file('static/' + path)
@app.post("/num_leds")
def num_leds(request):
try:
data = json.loads(request.body.decode('utf-8'))
num_leds = int(data["num_leds"])
patterns.update_num_leds(4, num_leds)
settings["num_leds"] = num_leds
settings.save()
return "OK", 200
except (ValueError, KeyError, json.JSONDecodeError):
return "Bad request", 400
@app.post("/pattern")
def pattern(request):
try:
data = json.loads(request.body.decode('utf-8'))
pattern = data["pattern"]
if patterns.select(pattern):
settings["selected_pattern"] = pattern
settings.save()
return "OK", 200
else:
return "Bad request", 400
except (KeyError, json.JSONDecodeError):
return "Bad request", 400
@app.post("/delay")
def delay(request):
try:
data = json.loads(request.body.decode('utf-8'))
delay = int(data["delay"])
patterns.set_delay(delay)
settings["delay"] = delay
settings.save()
return "OK", 200
except (ValueError, KeyError, json.JSONDecodeError):
return "Bad request", 400
@app.post("/brightness")
def brightness(request):
try:
data = json.loads(request.body.decode('utf-8'))
brightness = int(data["brightness"])
patterns.set_brightness(brightness)
settings["brightness"] = brightness
settings.save()
return "OK", 200
except (ValueError, KeyError, json.JSONDecodeError):
return "Bad request", 400
@app.post("/color")
def color(request):
try:
data = json.loads(request.body.decode('utf-8'))
color = data["color"]
patterns.set_color1(tuple(int(color[i:i+2], 16) for i in (1, 3, 5))) # Convert hex to RGB
settings["color1"] = color
settings.save()
return "OK", 200
except (KeyError, json.JSONDecodeError, ValueError):
return "Bad request", 400
@app.post("/color2")
def color2(request):
try:
data = json.loads(request.body.decode('utf-8'))
color = data["color2"]
patterns.set_color2(tuple(int(color[i:i+2], 16) for i in (1, 3, 5))) # Convert hex to RGB
settings["color2"] = color
settings.save()
return "OK", 200
except (KeyError, json.JSONDecodeError, ValueError):
return "Bad request", 400
@app.post("/wifi_settings")
def wifi_settings(request):
try:
data = json.loads(request.body.decode('utf-8'))
print(data)
ssid = settings['wifi']['ssid'] = data['ssid']
password = settings['wifi']['password'] = data.get('password', settings['wifi']['password'])
ip = settings['wifi']['ip'] = data.get('ip', None)
gateway = settings['wifi']['gateway'] = data.get('gateway', None)
print(settings)
if config := wifi.connect(ssid, password, ip, gateway):
print(config)
settings.save()
return "OK", 200
except Exception as e:
print(f"Wifi {e}")
return "Bad request", 400
@app.post("/sync")
def sync(request):
patterns.sync()
return "OK", 200
@app.route("/external")
@with_websocket
async def ws(request, ws):
patterns.select("external")
while True:
data = await ws.receive()
print(data)
for i in range(min(patterns.num_leds, int(len(data)/3))):
patterns.set(i, (data[i*3], data[i*3+1], data[i*3+2]))
patterns.write()
return app

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import network
from machine import Pin
from time import sleep
import ubinascii
from settings import Settings
def connect(ssid, password, ip, gateway):
if ssid is None or password is None:
print("Missing ssid or password")
return None
try:
sta_if = network.WLAN(network.STA_IF)
if ip is not None and gateway is not None:
sta_if.ifconfig((ip, '255.255.255.0', gateway, '1.1.1.1'))
if not sta_if.isconnected():
print('connecting to network...')
sta_if.active(True)
sta_if.connect(ssid, password)
sleep(0.1)
if sta_if.isconnected():
return sta_if.ifconfig()
return None
return sta_if.ifconfig()
except Exception as e:
print(f"Failed to connect to wifi {e}")
return None
def ap(password):
ap_if = network.WLAN(network.AP_IF)
ap_mac = ap_if.config('mac')
ssid = f"led-{ubinascii.hexlify(ap_mac).decode()}"
print(ssid)
ap_if.active(True)
ap_if.config(essid=ssid, password="qwerty1234")
ap_if.active(False)
ap_if.active(True)
print(ap_if.ifconfig())

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test.py Normal file
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print("Hello")