From 7eff2c71a36f11f39da36dd1be05af5d12f1150b Mon Sep 17 00:00:00 2001 From: thirdr Date: Mon, 4 Nov 2024 15:03:24 +0000 Subject: [PATCH] Plasma 2350 W: web based example --- .../examples/plasma_2350_w/html/index.html | 19 +++++ micropython/examples/plasma_2350_w/secrets.py | 2 + micropython/examples/plasma_2350_w/webpage.py | 84 +++++++++++++++++++ 3 files changed, 105 insertions(+) create mode 100644 micropython/examples/plasma_2350_w/html/index.html create mode 100644 micropython/examples/plasma_2350_w/secrets.py create mode 100644 micropython/examples/plasma_2350_w/webpage.py diff --git a/micropython/examples/plasma_2350_w/html/index.html b/micropython/examples/plasma_2350_w/html/index.html new file mode 100644 index 0000000..734b601 --- /dev/null +++ b/micropython/examples/plasma_2350_w/html/index.html @@ -0,0 +1,19 @@ + + + +Plasma 2350 W + + + +

Plasma 2350 W

+

You can use this webpage to change the colour of your attached LED strip! 🌈

+ +
+ +
+
+ +
+ + + \ No newline at end of file diff --git a/micropython/examples/plasma_2350_w/secrets.py b/micropython/examples/plasma_2350_w/secrets.py new file mode 100644 index 0000000..f290ec1 --- /dev/null +++ b/micropython/examples/plasma_2350_w/secrets.py @@ -0,0 +1,2 @@ +WIFI_SSID = "" +WIFI_PASSWORD = "" diff --git a/micropython/examples/plasma_2350_w/webpage.py b/micropython/examples/plasma_2350_w/webpage.py new file mode 100644 index 0000000..9ea3f08 --- /dev/null +++ b/micropython/examples/plasma_2350_w/webpage.py @@ -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()