intial commit with code and CAD files

code.py

@@ -0,0 +1,115 @@
+# SPDX-FileCopyrightText: 2020 John Furcean
+# SPDX-License-Identifier: MIT
+
+import time
+import board
+from digitalio import DigitalInOut, Direction, Pull
+
+import usb_hid
+from adafruit_hid.keyboard import Keyboard
+from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS
+from adafruit_hid.keycode import Keycode
+
+import neopixel
+
+# time you want to hold the button down before it changes states
+BUTTON_HOLD_TIME = 1
+
+# initialize onboard neopixel
+# this will be used to indiciate what application is enabled
+rgb_led = neopixel.NeoPixel(board.NEOPIXEL, 1)
+rgb_led.brightness = 1.0
+rgb_led[0] = (0, 0, 0)
+
+kbd = Keyboard(usb_hid.devices)
+
+# This will be used to indicate if muted or not
+# please note that an individual will have to make sure it is synced with the application
+button_led = DigitalInOut(board.D0)
+button_led.direction = Direction.OUTPUT
+
+
+# Digital input with pullup on D1
+button1 = DigitalInOut(board.D1)
+button1.direction = Direction.INPUT
+button1.pull = Pull.UP
+
+# Defines what the different states of the buttons will do
+
+# Note: in order for the code to work appropriately,
+# the keys need to start at 0 and increment upwards.
+# Single keycodes commands need to have a trailing comma (,)
+# the below keycode commands are for Mac and will need to be
+# modified for Windows or Linux
+
+controller_buttons = {
+
+    0 : {
+            'name': 'Space Bar',
+            'keycode': (Keycode.SPACE,),
+            'color':(0, 0, 0)
+        },
+    1 : {
+            'name': 'Zoom Mute',
+            'keycode': (Keycode.COMMAND, Keycode.SHIFT, Keycode.A),
+            'color':(0, 0, 205)
+        },
+    2 : {
+            'name': 'Teams Mute',
+            'keycode': (Keycode.COMMAND, Keycode.SHIFT, Keycode.M),
+            'color':(120, 0, 255)
+        }
+
+}
+
+button1_in = False
+button_index = 0
+change_button = False
+
+
+
+while True:
+
+    # retreive the active controller button
+    controller_button = controller_buttons[button_index%len(controller_buttons)]
+
+    # set the color of the onboard neopixel to match the active controller button
+    rgb_led[0] = controller_button['color']
+
+
+    # detect if the button is recently pressed in
+    if not button1.value and not button1_in:
+        button_led.value = not button_led.value
+        button1_in = True
+        start_hold = time.monotonic()
+
+    # detect if the button is being held down
+    elif not button1.value and button1_in:
+        time_now = time.monotonic()
+
+        # change the state of the button controller if
+        # the button has been held down for BUTTON_HOLD_TIME or more seconds
+        if time_now - start_hold > BUTTON_HOLD_TIME and not change_button:
+            print('Change State')
+            button_index += 1
+            start_hold = time.monotonic()
+            button_led.value = False
+            change_button = True
+
+
+    # detect if the button has been released
+    elif button1.value and button1_in:
+
+        # execute the keyboard commands for the active button controller
+        # if state of button controller hasn't been changed
+        if not change_button:
+            print("{} button press".format(controller_button['name']))
+            kbd.send(*controller_button['keycode'])
+            time.sleep(.1)
+
+        # reset the change_button boolean if the state has been changed
+        else:
+            change_button = False
+
+        # update the state of the button1_in Boolean
+        button1_in = False