Add ALT keys for rot enc

code.py

@@ -19,6 +19,7 @@
 import time
 import board
 import digitalio
+import rotaryio
 import usb_hid
 
 # Regular keys 
@@ -26,6 +27,13 @@ from adafruit_hid.keyboard import Keyboard
 from keyboard_layout_win_fr import KeyboardLayout
 from keycode_win_fr import Keycode
 
+# Rotary encoder setup
+enc = rotaryio.IncrementalEncoder(board.GP0, board.GP1)
+last_pos = 0
+# Keys sent on rotary encoder rotation
+rot_right = Keycode.A
+rot_left = Keycode.Z
+
 # When in ALT mode, buttons use an alternative keycode.
 ALT = False
 
@@ -35,33 +43,39 @@ keyboard_layout = KeyboardLayout(keyboard)
 
 # Buttons setup
 buttons_gpio = {
-#   name                GPIO             Keycode_1               Keycode_2(ALT mode)           State        DigitalIO   (switch)
+#   name                GPIO             Keycode_1               Keycode_2(ALT mode)           State        DigitalIO   Pull (Switch)
-    "red"   : dict(gpio=board.GP18, keycode_1=Keycode.DELETE,      keycode_2=Keycode.E,         state=False, DIO=None), 
+    "red"   : dict(gpio=board.GP18, keycode_1=Keycode.DELETE,      keycode_2=Keycode.E,         state=False, DIO=None, pullr=digitalio.Pull.DOWN), 
-    "green" : dict(gpio=board.GP19, keycode_1=Keycode.SPACEBAR,    keycode_2=Keycode.RETURN,    state=False, DIO=None), 
+    "green" : dict(gpio=board.GP19, keycode_1=Keycode.SPACEBAR,    keycode_2=Keycode.RETURN,    state=False, DIO=None, pullr=digitalio.Pull.DOWN), 
-    "blue"  : dict(gpio=board.GP16, keycode_1=Keycode.RIGHT_ARROW, keycode_2=Keycode.UP_ARROW,  state=False, DIO=None), 
+    "blue"  : dict(gpio=board.GP16, keycode_1=Keycode.RIGHT_ARROW, keycode_2=Keycode.UP_ARROW,  state=False, DIO=None, pullr=digitalio.Pull.DOWN), 
-    "black" : dict(gpio=board.GP20, keycode_1=Keycode.O,           keycode_2=Keycode.R,         state=False, DIO=None), 
+    "black" : dict(gpio=board.GP20, keycode_1=Keycode.O,           keycode_2=Keycode.R,         state=False, DIO=None, pullr=digitalio.Pull.DOWN), 
-    "yellow": dict(gpio=board.GP17, keycode_1=Keycode.LEFT_ARROW,  keycode_2=Keycode.DOWN_ARROW,state=False, DIO=None), 
+    "yellow": dict(gpio=board.GP17, keycode_1=Keycode.LEFT_ARROW,  keycode_2=Keycode.DOWN_ARROW,state=False, DIO=None, pullr=digitalio.Pull.DOWN), 
-    "switch": dict(gpio=board.GP21, keycode_1=None, keycode_2=None, state=False, DIO=None, switch_setup=dict(gpio=board.GP7, state=False, DIO=None)),
+    "switch": dict(gpio=board.GP21, keycode_1=None,                keycode_2=None,              state=False, DIO=None, pullr=digitalio.Pull.DOWN, switch_setup=dict(gpio=board.GP7, state=False, DIO=None)),
-    "fn_1": dict(gpio=board.GP15, keycode_1=Keycode.W,             keycode_2=Keycode.X,  state=False, DIO=None), 
+    "fn_1": dict(gpio=board.GP15, keycode_1=Keycode.W,             keycode_2=Keycode.X,  state=False, DIO=None, pullr=digitalio.Pull.DOWN),
-    "fn_2": dict(gpio=board.GP14, keycode_1=Keycode.L,             keycode_2=Keycode.F,  state=False, DIO=None), 
+    "fn_2": dict(gpio=board.GP14, keycode_1=Keycode.L,             keycode_2=Keycode.F,  state=False, DIO=None, pullr=digitalio.Pull.DOWN),
+    # This one is reversed (True when not pressed) so we need some logic to interpret a HIGH as False
+    "rot": dict(gpio=board.GP6, keycode_1=Keycode.Q,             keycode_2=Keycode.S,  state=False, DIO=None, pullr=digitalio.Pull.UP, reverse=True),
 }
-
 # GPIO setup
 for btn in buttons_gpio:
     buttons_gpio[btn]['DIO'] = digitalio.DigitalInOut(buttons_gpio[btn]['gpio'])
     buttons_gpio[btn]['DIO'].direction = digitalio.Direction.INPUT
-    buttons_gpio[btn]['DIO'].pull = digitalio.Pull.DOWN
+    buttons_gpio[btn]['DIO'].pull = buttons_gpio[btn]['pullr']
     # Switch setup
     if 'switch_setup' in buttons_gpio[btn]:
         buttons_gpio[btn]['switch_setup']['DIO'] = digitalio.DigitalInOut(buttons_gpio[btn]['switch_setup']['gpio'])
         buttons_gpio[btn]['switch_setup']['DIO'].direction = digitalio.Direction.OUTPUT
 
-btn_scan_delay = 1/200
+btn_scan_delay = 1.0/200
 
 while True:
     for btn in buttons_gpio:
-        # If digital input is high and was not pressed previously
+        # Logic for switches that read True when not pressed
-        if buttons_gpio[btn]['DIO'].value and not buttons_gpio[btn]['state']:
+        if 'reverse' in buttons_gpio[btn]:
+            btn_value = not buttons_gpio[btn]['DIO'].value
+        else:
+            btn_value = buttons_gpio[btn]['DIO'].value
+        # If digital input is true and was not pressed previously
+        if btn_value and not buttons_gpio[btn]['state']:
             if ALT:
                 if buttons_gpio[btn]['keycode_2'] is not None:
                     keyboard.press(buttons_gpio[btn]['keycode_2'])
@@ -74,8 +88,8 @@ while True:
                 if not buttons_gpio[btn]['switch_setup']['DIO'].value:
                     buttons_gpio[btn]['switch_setup']['DIO'].value = True
                     ALT = True
-        # If digital input is down and was pressed previously
+        # If digital input is false and was pressed previously
-        if not buttons_gpio[btn]['DIO'].value and buttons_gpio[btn]['state']:
+        if not btn_value and buttons_gpio[btn]['state']:
             if ALT:
                 if buttons_gpio[btn]['keycode_2'] is not None:
                     keyboard.release(buttons_gpio[btn]['keycode_2'])
@@ -88,4 +102,16 @@ while True:
                 if buttons_gpio[btn]['switch_setup']['DIO'].value:
                     buttons_gpio[btn]['switch_setup']['DIO'].value = False
                     ALT = False
+    pos = enc.position
+    if pos > last_pos:
+        if ALT:
+            keyboard.send(Keycode.LEFT_SHIFT,  rot_right)
+        else:
+            keyboard.send(rot_right)
+    elif pos < last_pos:
+        if ALT:
+            keyboard.send(Keycode.LEFT_SHIFT, rot_left)
+        else:
+            keyboard.send(rot_left)
+    last_pos = pos
     time.sleep(btn_scan_delay)