Merge pull request #1130 from jedgarpark/itsy-keybow

first commit itsybitsy keybow

Author: ladyada

ItsyBitsy_Keybow/itsybitsy_keybow.py

@@ -0,0 +1,142 @@
+# ItsyBitsy Keypad
+# Uses ItsyBitsy M4/M0 plus Pimoroni Keybow
+# To build a customizable USB keypad
+
+import time
+import board
+from digitalio import DigitalInOut, Direction, Pull
+import usb_hid
+from adafruit_hid.keyboard import Keyboard
+from adafruit_hid.keycode import Keycode
+from adafruit_hid.consumer_control import ConsumerControl
+from adafruit_hid.consumer_control_code import ConsumerControlCode
+import adafruit_dotstar as dotstar
+
+dots = dotstar.DotStar(board.SCK, board.MOSI, 12, brightness=0.4)
+
+RED = 0xFF0000
+AMBER = 0xAA9900
+BLUE = 0x0066FF
+MAGENTA = 0xFF00FF
+PURPLE = 0x3B0F85
+BLACK = 0x000000
+
+kbd = Keyboard(usb_hid.devices)
+cc = ConsumerControl(usb_hid.devices)
+
+orientation = 1  # 0 = portrait/vertical, 1 = landscape/horizontal
+if orientation == 0:
+    key_dots = [0, 4, 8, 1, 5, 9, 2, 6, 10, 3, 7, 11]
+    # 0  #4  #8
+    # 1  #5  #9
+    # 2  #6  #10
+    # 3  #7  #11
+if orientation == 1:
+    key_dots = [3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8]
+    # 3  #2  #1  #0
+    # 7  #6  #5  #4
+    # 11 #10 #9  #8
+
+
+def dot_on(dot, color):
+    dots[dot] = color
+
+
+def dot_off(dot):
+    dots[dot] = BLACK
+
+
+# Pin definitions
+if orientation == 0:  # 0 = portrait/vertical
+    pins = [
+        board.D11,
+        board.D12,
+        board.D2,
+        board.D10,
+        board.D9,
+        board.D7,
+        board.A5,
+        board.A4,
+        board.A3,
+        board.A2,
+        board.A1,
+        board.A0,
+    ]
+if orientation == 1:  # 1 = landscape/horizontal
+    pins = [
+        board.A2,
+        board.A5,
+        board.D10,
+        board.D11,
+        board.A1,
+        board.A4,
+        board.D9,
+        board.D12,
+        board.A0,
+        board.A3,
+        board.D7,
+        board.D2,
+    ]
+# the two command types -- MEDIA for ConsumerControlCodes, KEY for Keycodes
+# this allows button press to send the correct HID command for the type specified
+MEDIA = 1
+KEY = 2
+keymap = {
+    (0): (AMBER, MEDIA, ConsumerControlCode.PLAY_PAUSE),
+    (1): (AMBER, MEDIA, ConsumerControlCode.MUTE),
+    (2): (AMBER, MEDIA, ConsumerControlCode.VOLUME_DECREMENT),
+    (3): (AMBER, MEDIA, ConsumerControlCode.VOLUME_INCREMENT),
+    (4): (BLUE, KEY, (Keycode.GUI, Keycode.C)),
+    (5): (BLUE, KEY, (Keycode.GUI, Keycode.V)),
+    (6): (MAGENTA, KEY, [Keycode.UP_ARROW]),
+    (7): (PURPLE, KEY, [Keycode.BACKSPACE]),
+    (8): (BLUE, KEY, [Keycode.SPACE]),
+    (9): (MAGENTA, KEY, [Keycode.LEFT_ARROW]),
+    (10): (MAGENTA, KEY, [Keycode.DOWN_ARROW]),
+    (11): (MAGENTA, KEY, [Keycode.RIGHT_ARROW]),
+}
+
+switches = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
+for i in range(12):
+    switches[i] = DigitalInOut(pins[i])
+    switches[i].direction = Direction.INPUT
+    switches[i].pull = Pull.UP
+
+switch_state = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+
+print("ItsyBitsy Keybow")
+
+# Starup lights
+for k in range(12):
+    dot_on(key_dots[k], RED)
+    time.sleep(0.05)
+    dot_on(key_dots[k], keymap[k][0])  # use individual key colors from set
+    time.sleep(0.05)
+
+while True:
+    for button in range(12):
+        if switch_state[button] == 0:
+            if not switches[button].value:
+                try:
+                    if keymap[button][1] == KEY:
+                        kbd.press(*keymap[button][2])
+                    else:
+                        cc.send(keymap[button][2])
+                    dot_on(key_dots[button], RED)
+                except ValueError:  # deals w six key limit
+                    pass
+                print("pressed key{}".format(button))
+                switch_state[button] = 1
+
+        if switch_state[button] == 1:
+            if switches[button].value:
+                try:
+                    if keymap[button][1] == KEY:
+                        kbd.release(*keymap[button][2])
+                    dot_on(key_dots[button], keymap[button][0])
+                except ValueError:
+                    pass
+                print("released key{}".format(button))
+                switch_state[button] = 0
+
+    time.sleep(0.01)  # debounce