Create cheerlights.py

Updated to use the Pimoroni standard Wi-Fi method to be inline with other examples and rename filed to cheerlights.py so can be import from REPL

micropython/examples/galactic_unicorn/cheerlights.py

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+# cheerlights
+from time import sleep
+from galactic import GalacticUnicorn
+from picographics import PicoGraphics, DISPLAY_GALACTIC_UNICORN as DISPLAY
+import uasyncio
+from network_manager import NetworkManager
+import urequests
+import WIFI_CONFIG
+
+
+# setup graphics
+gu = GalacticUnicorn()
+graphics = PicoGraphics(DISPLAY)
+width = GalacticUnicorn.WIDTH
+height = GalacticUnicorn.HEIGHT
+
+
+# fill display
+def draw(colour):
+    for x in range(width):
+        for y in range(height):
+            graphics.set_pen(colour)
+            graphics.pixel(x, y)
+
+    gu.update(graphics)
+    
+  
+def status_handler(mode, status, ip):
+    # reports wifi connection status
+    print(mode, status, ip)
+    print('Connecting to wifi...')
+    if status is not None:
+        if status:
+            print('Wifi connection successful!')
+        else:
+            print('Wifi connection failed!')
+
+
+# set up wifi
+try:
+    network_manager = NetworkManager(WIFI_CONFIG.COUNTRY, status_handler=status_handler)
+    uasyncio.get_event_loop().run_until_complete(network_manager.client(WIFI_CONFIG.SSID, WIFI_CONFIG.PSK))
+except Exception as e:
+    print(f'Wifi connection failed! {e}')
+
+
+# cheerlights
+
+# cheerlights colours
+colours = {b'red': graphics.create_pen(0xff, 0x00, 0x00), b'green': graphics.create_pen(0x00, 0x80, 0x00),
+           b'blue': graphics.create_pen(0x00, 0x00, 0xff),
+           b'cyan': graphics.create_pen(0x00, 0xff, 0xff), b'white': graphics.create_pen(0xff, 0xff, 0xff),
+           b'oldlace': graphics.create_pen(0xfd, 0xf5, 0xe6),
+           b'purple': graphics.create_pen(0x80, 0x00, 0x80), b'magenta': graphics.create_pen(0xff, 0x00, 0xff),
+           b'yellow': graphics.create_pen(0xff, 0xff, 0x00),
+           b'orange': graphics.create_pen(0xff, 0xa5, 0x00), b'pink': graphics.create_pen(0xff, 0xc0, 0xcb)}
+
+# get request
+while True:
+    r = urequests.get('http://api.thingspeak.com/channels/1417/field/1/last.txt')
+    print(f'Colour: {r.content}')
+    if r.content in colours:
+        draw(colours[r.content])
+    r.close()
+    sleep(15)