75 lines
2.1 KiB
Python
75 lines
2.1 KiB
Python
import plasma
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from plasma import plasma2040
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import network
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import time
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import requests
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# Total number of LEDs on our LED strip
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NUM_LEDS = 66
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# How long between cheerslight updates in seconds
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INTERVAL = 60
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# Check and import the SSID and Password from secrets.py
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try:
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from secrets import WIFI_SSID, WIFI_PASSWORD
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if WIFI_SSID == "":
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raise ValueError("WIFI_SSID in 'secrets.py' is empty!")
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if WIFI_PASSWORD == "":
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raise ValueError("WIFI_PASSWORD in 'secrets.py' is empty!")
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except ImportError:
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raise ImportError("'secrets.py' is missing from your Plasma 2350 W!")
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except ValueError as e:
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print(e)
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wlan = network.WLAN(network.STA_IF)
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def connect():
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# Connect to the network specified in secrets.py
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wlan.active(True)
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wlan.connect(WIFI_SSID, WIFI_PASSWORD)
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while wlan.isconnected() is False:
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print("Attempting connection to {}".format(WIFI_SSID))
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time.sleep(1)
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# APA102 / DotStar™ LEDs
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# led_strip = plasma.APA102(NUM_LEDS, 0, 0, plasma2040.DAT, plasma2040.CLK)
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# WS2812 / NeoPixel™ LEDs
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led_strip = plasma.WS2812(NUM_LEDS, 0, 0, plasma2040.DAT, color_order=plasma.COLOR_ORDER_BGR)
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# Start connection to the network
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connect()
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# Store the local IP address
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ip_addr = wlan.ipconfig('addr4')[0]
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# Let the user know the connection has been successful
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# and display the current IP address of the Plasma 2350 W
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print("Successfully connected to {}. Your Plasma 2350 W's IP is: {}".format(WIFI_SSID, ip_addr))
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# Start updating the LED strip
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led_strip.start()
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while True:
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if wlan.isconnected():
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try:
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print("Getting new colour...")
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req = requests.get("http://api.thingspeak.com/channels/1417/field/2/last.json", timeout=None)
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json = req.json()
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req.close()
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print("Success!")
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colour = tuple(int(json['field2'][i:i + 2], 16) for i in (1, 3, 5))
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for i in range(NUM_LEDS):
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led_strip.set_rgb(i, *colour)
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except OSError:
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print("Error: Failed to get new colour")
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else:
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print("Lost connection to network {}".format(WIFI_SSID))
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time.sleep(INTERVAL)
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