Merge pull request #1511 from adafruit/neotrinkey_zoom_shortcuts

Adding code for NeoTrinkey Zoom shortcuts

Author: ladyada

NeoTrinkey_Zoom_Shortcuts/code.py

@@ -0,0 +1,179 @@
+import time
+import board
+import neopixel
+import touchio
+import usb_hid
+from adafruit_hid.keyboard import Keyboard
+from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS
+from adafruit_hid.keycode import Keycode
+
+#  setup for onboard neopixels
+pixel_pin = board.NEOPIXEL
+num_pixels = 4
+
+pixels = neopixel.NeoPixel(pixel_pin, num_pixels, brightness=0.05, auto_write=False)
+
+#  setup for cap touch pads
+top_touch = touchio.TouchIn(board.TOUCH1)
+bot_touch = touchio.TouchIn(board.TOUCH2)
+
+#  HID keyboard input setup
+keyboard = Keyboard(usb_hid.devices)
+keyboard_layout = KeyboardLayoutUS(keyboard)
+#  variable for the ALT key
+alt_key = Keycode.ALT
+
+#  rainbow cycle animation
+def wheel(pos):
+    # Input a value 0 to 255 to get a color value.
+    # The colours are a transition r - g - b - back to r.
+    if pos < 0 or pos > 255:
+        return (0, 0, 0)
+    if pos < 85:
+        return (255 - pos * 3, pos * 3, 0)
+    if pos < 170:
+        pos -= 85
+        return (0, 255 - pos * 3, pos * 3)
+    pos -= 170
+    return (pos * 3, 0, 255 - pos * 3)
+
+
+def rainbow_cycle(wait):
+    for j in range(255):
+        for i in range(num_pixels):
+            rc_index = (i * 256 // num_pixels) + j
+            pixels[i] = wheel(rc_index & 255)
+        pixels.show()
+        time.sleep(wait)
+
+#  variables for colors
+RED = (255, 0, 0)
+GREEN = (0, 255, 0)
+
+#  state machines
+#  cap touch debouncing
+bot_pressed = False
+top_pressed = False
+#  default mute states
+mic_mute = True
+vid_mute = True
+#  time.monotonic() tracker
+clock = time.monotonic()
+#  tracking for initiating an exit from the meeting
+escape = False
+escape_1 = False
+escape_2 = False
+
+while True:
+    #  cap touch debouncing
+    if not top_touch.value and top_pressed:
+        top_pressed = False
+    if not bot_touch.value and bot_pressed:
+        bot_pressed = False
+    #  if your mic is muted...
+    if mic_mute:
+        #  neopixels are red
+        pixels[0] = RED
+        pixels[1] = RED
+        pixels.show()
+    #  if your camera is muted...
+    if vid_mute:
+        #  neopixels are red
+        pixels[2] = RED
+        pixels[3] = RED
+        pixels.show()
+    #  if your mic is NOT muted...
+    if not mic_mute:
+        #  neopixels are green
+        pixels[0] = GREEN
+        pixels[1] = GREEN
+        pixels.show()
+    #  if your camera is NOT muted...
+    if not vid_mute:
+        #  neopixels are green
+        pixels[2] = GREEN
+        pixels[3] = GREEN
+        pixels.show()
+    #  if you are leaving the meeting...
+    if escape:
+        #  neopixels are rainbow
+        rainbow_cycle(0)
+        #  resets exit states
+        escape = False
+        escape_1 = False
+        escape_2 = False
+        mic_mute = True
+        vid_mute = True
+    #  if you press the top touch cap touch pad...
+    if (top_touch.value and not top_pressed):
+        top_pressed = True
+        #  start time count for exit
+        clock = time.monotonic()
+        #  slight delay so that you don't automatically mute/unmute
+        #  if your intent is to exit
+        time.sleep(0.12)
+        #  if after the delay you're still pressing the cap touch pad...
+        if top_touch.value and top_pressed:
+            print("escape top")
+            #  initial escape state is set to true
+            escape_1 = True
+        #  if you aren't still pressing the cap touch pad...
+        else:
+            #  if your camera was muted...
+            if vid_mute:
+                print("top")
+                #  your camera is NOT muted
+                vid_mute = False
+                #  resets escape state just in case
+                escape_1 = False
+            #  if your camera was NOT muted...
+            elif not vid_mute:
+                print("top")
+                #  your camera is muted
+                vid_mute = True
+                #  resets escape state just in case
+                escape_1 = False
+            #  sends camera mute/unmute shortcut
+            keyboard.send(alt_key, Keycode.V)
+    #  if you press the top touch cap touch pad...
+    if (bot_touch.value and not bot_pressed):
+        bot_pressed = True
+        #  start time count for exit
+        clock = time.monotonic()
+        #  slight delay so that you don't automatically mute/unmute
+        #  if your intent is to exit
+        time.sleep(0.12)
+        #  if after the delay you're still pressing the cap touch pad...
+        if bot_touch.value and bot_pressed:
+            print("escape bot")
+            #  initial escape state is set to true
+            escape_2 = True
+        #  if you aren't still pressing the cap touch pad...
+        else:
+            #  if your mic was muted...
+            if mic_mute:
+                print("bot")
+                #  your mic is NOT muted
+                mic_mute = False
+                #  resets escape state just in case
+                escape_2 = False
+            #  if your mic was NOT muted...
+            elif not mic_mute:
+                print("bot")
+                #  your mic is muted
+                mic_mute = True
+                #  resets escape state just in case
+                escape_2 = False
+            #  sends mic mute/unmute shortcut
+            keyboard.send(alt_key, Keycode.A)
+    #  if you held down both cap touch pads and 2 seconds has passed...
+    if ((clock + 2) < time.monotonic()) and (escape_1 and escape_2):
+        print("escape")
+        #  full escape state is set
+        escape = True
+        #  sends exit meeting shortcut
+        keyboard.send(alt_key, Keycode.Q)
+        #  brief delay for confirmation window to open
+        time.sleep(0.1)
+        #  sends enter to confirm meeting exit
+        keyboard.send(Keycode.ENTER)