Merge pull request #1 from johnnohj/codespace-ubiquitous-space-spoon-5gv7xv555qv7277r5

Pending changes exported from your codespace

Author: johnnohj

examples/asyncio_event_example.py

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 J Fletcher 
+#
+# SPDX-License-Identifier: MIT
+
 # SIMPLE ASYNCIO EVENT EXAMPLE
 
 # Brief program that illustrates using Events to coordinate tasks
@@ -33,13 +37,16 @@
 # Define the various colors according to preference and set them into
 # a dictionary for later retrieval. (Blue is not used in this code.)
 
+
 class Color:
     # pylint: disable=too-few-public-methods
     def __init__(self, initial_value):
         self.value = initial_value
 
+
 # Create a class to hold and track the color while code executes.
 
+
 async def blink(color):
     with neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.1) as led:
         while True:
@@ -48,34 +55,38 @@ async def blink(color):
             led[0] = COLORS.get(color.value)
             await asyncio.sleep(0)
 
+
 # Instantiate the led using 'with ... as' construction to keep this
 # function from blocking. 'COLORS.get(0)' indicates the led should show
 # no color (i.e., turn off), while 'COLORS.get(color.value)' instructs
 # the led to show the color pulled from the dictionary via the color
 # class' color.value. The line 'asyncio.sleep(1)' sets the blink rate;
 # in this case, once per second.
 
+
 async def input_poll(swapper):
     count = 0
     while True:
         button.update()
         if button.fell:
-            print('Press!')
+            print("Press!")
             if count == 0:
                 count += 1
-                print('Event is set!')
+                print("Event is set!")
                 swapper.set()
             elif count == 1:
                 count -= 1
-                print('Event is clear!')
+                print("Event is clear!")
                 swapper.clear()
         await asyncio.sleep(0)
 
+
 # This function checks the button for activity and sets or clears the
 # Event depending on the button activity reflected in the 'count' variable.
 # The count begins set at 0 and is alternatingly incremented (count += 1)
 # and decremented (count -= 1) with each press of the button.
 
+
 async def state(swapper, color):
     while True:
         if swapper.is_set():
@@ -84,25 +95,26 @@ async def state(swapper, color):
             color.value = 1
         await asyncio.sleep(0)
 
-async def main():
 
+async def main():
     color = Color(1)
     COLORS.get(color)
 
-# Sets the color the led will first show on start
+    # Sets the color the led will first show on start
 
     swapper = asyncio.Event()
 
-# Creates and names the Event that signals the led to change color
+    # Creates and names the Event that signals the led to change color
 
     blinky = asyncio.create_task(blink(color))
     poll = asyncio.create_task(input_poll(swapper))
     monitor = asyncio.create_task(state(swapper, color))
 
-# Creates and names Tasks from the functions defined above
+    # Creates and names Tasks from the functions defined above
 
     await asyncio.gather(monitor, blinky, poll)
 
+
 # Don't forget the 'await'! The 'asyncio.gather()' command passes the
 # listed tasks to the asynchronous scheduler, where processing resources
 # are directed from one task to another depending upon whether said task

examples/asyncio_simpletest.py

@@ -54,4 +54,3 @@ async def main():
 
 
 asyncio.run(main())
-