have string example

Introducing_Gemma_M0/Gemma_HIDkeyboard.py

@@ -1,37 +1,37 @@
 # Gemma IO demo - Keyboard emu
 
-import digitalio
+from digitalio import DigitalInOut, Direction, Pull
 import touchio
-from board import *
+import board
 import time
 from adafruit_hid.keyboard import Keyboard
 from adafruit_hid.keycode import Keycode
+from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS
 
 # A simple neat keyboard demo in circuitpython
 
 # The button pins we'll use, each will have an internal pullup
-buttonpins = [D2, D0]
+buttonpins = [board.D2, board.D1, board.D0]
 # our array of button objects
 buttons = []
-# One pin will be capacitive touch
-ptcbutton = touchio.TouchIn(D1)
-
 # The keycode sent for each button, will be paired with a control key
-buttonkeys = [Keycode.A, Keycode.B, Keycode.C]
+buttonkeys = [Keycode.A, Keycode.B, "Hello World!\n"]
 controlkey = Keycode.SHIFT
 
 # the keyboard object!
 kbd = Keyboard()
+# we're americans :)
+layout = KeyboardLayoutUS(kbd)
 
 # make all pin objects, make them inputs w/pullups
 for pin in buttonpins:
-    button = digitalio.DigitalInOut(pin)
-    button.direction = digitalio.Direction.INPUT
-    button.pull = digitalio.Pull.UP   
+    button = DigitalInOut(pin)
+    button.direction = Direction.INPUT
+    button.pull = Pull.UP   
     buttons.append(button)
 
-led = digitalio.DigitalInOut(D13)
-led.direction = digitalio.Direction.OUTPUT
+led = DigitalInOut(board.D13)
+led.direction = Direction.OUTPUT
  
 print("Waiting for button presses")
 
@@ -47,10 +47,13 @@ while True:
 
             while (not button.value):
                 pass  # wait for it to be released!
-            # type the keycode!
-            k = buttonkeys[i]    # get the corresp. keycode
-            kbd.press(controlkey, k)
-            kbd.release_all()
+            # type the keycode or string
+            k = buttonkeys[i]    # get the corresp. keycode/str
+            if type(k) is str:
+                layout.write(k)
+            else:
+                kbd.press(controlkey, k) # press...
+                kbd.release_all()        # release!
 
             # turn off the LED
             led.value = False