thomas/pimoroni-pico-rp2350
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Plasma 2350 W: web based example

Browse Source
This commit is contained in:
thirdr 2024-11-04 15:03:24 +00:00
parent f1e82b1f60
commit 7eff2c71a3
3 changed files with 105 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
micropython/examples/plasma_2350_w/html/index.html Normal file
View File

@ -0,0 +1,19 @@
<!DOCTYPE html>
<html>
<head>
<title>Plasma 2350 W</title>
</head>
<body>
<h1>Plasma 2350 W</h1>
<h3>You can use this webpage to change the colour of your attached LED strip! &#127752</h3>
<form action="/", method="post">
<input type="color" id="rgbled" name="rgbled" value={{last_hex}}>
<br>
<br>
<input type="submit" value="Apply">
</form>
</body>
</html>

2
micropython/examples/plasma_2350_w/secrets.py Normal file
View File

@ -0,0 +1,2 @@
WIFI_SSID = ""
WIFI_PASSWORD = ""

84
micropython/examples/plasma_2350_w/webpage.py Normal file
View File

@ -0,0 +1,84 @@
'''
A simple web example that allows you to set the LED Strip colour using a colour picker.
You will need to install Phew for this example to work
In Thonny select Tools > Manage Packages and search for "micropython-phew"
'''
import network
from pimoroni import RGBLED
from phew import server, connect_to_wifi, is_connected_to_wifi
from phew.template import render_template
import plasma
# Check and import the SSID and Password from secrets.py
try:
from secrets import WIFI_SSID, WIFI_PASSWORD
if WIFI_SSID == "":
raise ValueError("WIFI_SSID in 'secrets.py' is empty!")
if WIFI_PASSWORD == "":
raise ValueError("WIFI_PASSWORD in 'secrets.py' is empty!")
except ImportError:
raise ImportError("'secrets.py' is missing from your Plasma 2350 W!")
except ValueError as e:
print(e)
# Total number of LEDs on our LED strip
NUM_LEDS = 60
# APA102 / DotStar™ LEDs
# led_strip = plasma.APA102(NUM_LEDS, 0, 0, plasma2040.DAT, plasma2040.CLK)
# WS2812 / NeoPixel™ LEDs
led_strip = plasma.WS2812(NUM_LEDS, 0, 0, plasma.plasma2040.DAT)
# Setup the RGB Led
led = RGBLED(16, 17, 18)
last_hex = 0
# Connect our Tiny FX W to the network
connect_to_wifi(WIFI_SSID, WIFI_PASSWORD)
# If we're connected to the network, print out the IP address in the terminal
if is_connected_to_wifi():
print("Connected")
print(network.WLAN(network.STA_IF).ifconfig()[0])
# Start updating the LED strip
led_strip.start()
# Convert our hex value to RGB
# https://www.30secondsofcode.org/python/s/hex-to-rgb/
def hex_to_rgb(hex):
return tuple(int(hex[i:i + 2], 16) for i in (0, 2, 4))
# We've only got one page in the root so we setup the routing for that request
# and return the index.html
@server.route("/", methods=["GET", "POST"])
def index(request):
global last_hex
# If a GET request is made, return the page
if request.method == 'GET':
return render_template("html/index.html")
# If a POST request is made we need to process the information
# and use that to update the LED colour
if request.method == 'POST':
last_hex = request.form["rgbled"]
value = hex_to_rgb(last_hex[1:])
led.set_rgb(value[0], value[1], value[2])
for i in range(NUM_LEDS):
led_strip.set_rgb(i, value[0], value[1], value[2])
return render_template("html/index.html")
# catchall
@server.catchall()
def catchall(request):
return "Not found", 404
# Run the server!
server.run()