from machine import Pin
from patterns import Patterns
import socket
import select
import json
class LEDServer:
SETTINGS_FILE = "/settings.json" # Path should be adjusted for MicroPython's filesystem
def __init__(self, num_leds=50, pin=4, led_pin=8, brigtness=255):
# Initialize NeoPixel Patterns
self.num_leds = num_leds
self.patterns = Patterns(pin, num_leds)
self.selected_pattern = "blink"
self.color = (16, 16, 0)
self.color2 = (16, 16, 0)
self.delay = 100
# Initialize single LED
self.led = Pin(led_pin, Pin.OUT)
# Initialize server
self.server_socket = socket.socket()
self.server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.server_socket.bind(('0.0.0.0', 80))
self.server_socket.listen(1)
self.server_socket.settimeout(1) # Adjust timeout as needed
self.poll = select.poll()
self.poll.register(self.server_socket, select.POLLIN)
# Load settings from file
self.load_settings()
# Read static files
color = f'#{self.color[0]:02x}{self.color[1]:02x}{self.color[2]:02x}'
color2 = f'#{self.color2[0]:02x}{self.color2[1]:02x}{self.color2[2]:02x}'
print(color)
self.html = self.read_file("/index.html").format(num_leds=self.num_leds, delay=self.delay, color=color, color2=color2).encode()
self.js = self.read_file("/main.js").encode('utf-8')
self.css = self.read_file("/main.css").encode('utf-8')
self.patterns_json = json.dumps(list(self.patterns.patterns.keys()))
def read_file(self, file_path):
try:
with open(file_path, 'r') as file:
return file.read()
except OSError as e:
print(f"Error reading file {file_path}: {e}")
return ""
def save_settings(self):
settings = {
"num_leds": self.num_leds,
"selected_pattern": self.selected_pattern,
"color": self.color,
"color2": self.color2,
"delay": self.delay
}
print(settings)
try:
with open(self.SETTINGS_FILE, 'w') as file:
json.dump(settings, file)
except OSError as e:
print(f"Error saving settings: {e}")
def load_settings(self):
if self.file_exists(self.SETTINGS_FILE):
try:
with open(self.SETTINGS_FILE, 'r') as file:
settings = json.load(file)
self.num_leds = settings.get("num_leds", self.num_leds)
self.selected_pattern = settings.get("selected_pattern", self.selected_pattern)
self.color = tuple(settings.get("color", self.color))
self.color2 = tuple(settings.get("color2", self.color2))
self.delay = settings.get("delay", self.delay)
self.patterns.update_num_leds(4, self.num_leds)
self.patterns.set_delay(self.delay)
self.patterns.selected = self.selected_pattern
except (OSError, ValueError) as e:
print(f"Error loading settings: {e}")
def file_exists(self, file_path):
try:
with open(file_path, 'r'):
return True
except OSError:
return False
def handle_post(self, path, post_data, client_socket):
print(post_data)
if path == "/num_leds":
try:
self.num_leds = int(post_data)
self.patterns.update_num_leds(4, self.num_leds)
self.save_settings()
client_socket.send(b'HTTP/1.0 200 OK\r\n\r\n')
except ValueError:
client_socket.send(b'HTTP/1.0 400 Bad request\r\n\r\n')
elif path == "/pattern":
self.selected_pattern = post_data
self.patterns.selected = post_data
self.save_settings()
client_socket.send(b'HTTP/1.0 200 OK\r\n\r\n')
elif path == "/delay":
try:
self.delay = int(post_data)
self.patterns.set_delay(self.delay)
self.save_settings()
client_socket.send(b'HTTP/1.0 200 OK\r\n\r\n')
except ValueError:
client_socket.send(b'HTTP/1.0 400 Bad request\r\n\r\n')
elif path == "/color":
# try:
self.patterns.set_color1(tuple(int(post_data[i:i+2], 16) for i in (1, 3, 5))) # Convert hex to RGB
self.save_settings()
client_socket.send(b'HTTP/1.0 200 OK\r\n\r\n')
# except:
# client_socket.send(b'HTTP/1.0 400 Bad request\r\n\r\n')
elif path == "/color2":
try:
self.patterns.set_color2(tuple(int(post_data[i:i+2], 16) for i in (1, 3, 5))) # Convert hex to RGB
self.save_settings()
client_socket.send(b'HTTP/1.0 200 OK\r\n\r\n')
except:
client_socket.send(b'HTTP/1.0 400 Bad request\r\n\r\n')
else:
client_socket.send(b'HTTP/1.0 404 Not Found\r\nContent-Type: text/plain\r\n\r\n')
def handle_get(self, path, client_socket):
if path == "/":
client_socket.send(b'HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n')
client_socket.send(self.html)
elif path == "/main.js":
client_socket.send(b'HTTP/1.0 200 OK\r\nContent-type: application/javascript\r\n\r\n')
client_socket.send(self.js)
elif path == "/main.css":
client_socket.send(b'HTTP/1.0 200 OK\r\nContent-type: text/css\r\n\r\n')
client_socket.send(self.css)
elif path == "/patterns":
client_socket.send(b'HTTP/1.0 200 OK\r\nContent-type: application/json\r\n\r\n')
client_socket.send(self.patterns_json.encode())
else:
client_socket.send(b'HTTP/1.0 404 Not Found\r\nContent-Type: text/plain\r\n\r\n')
def start(self):
count = 0
try:
while True:
count += 1
events = self.poll.poll(1)
for file in events:
if file[0] == self.server_socket:
client_socket, addr = self.server_socket.accept()
request = client_socket.recv(1024).decode()
method, path, _ = request.split('\r\n')[0].split()
print(f"Method: {method}, Path: {path}")
if method == "POST":
post_data = request.split('\r\n\r\n')[1] if '\r\n\r\n' in request else ''
self.handle_post(path, post_data, client_socket)
elif method == "GET":
self.handle_get(path, client_socket)
client_socket.close()
if count > 50:
self.led.off()
if count > 100:
self.led.on()
count = 0
self.patterns.tick()
except Exception as e:
print("Error:", e)
finally:
self.server_socket.close()
self.save_settings()
# Example of creating and starting the server
if __name__ == "__main__":
server = LEDServer()
server.start()