adding tinypod code

Adding tinypod code. uses esp32-s3 feather for ble and ano seesaw encoder

Author: BlitzCityDIY

TinyPod/code.py

@@ -0,0 +1,113 @@
+# SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+import time
+import microcontroller
+import board
+from adafruit_hid.keyboard import Keyboard
+from adafruit_hid.keycode import Keycode
+import adafruit_ble
+from adafruit_ble.advertising import Advertisement
+from adafruit_ble.advertising.standard import ProvideServicesAdvertisement
+from adafruit_ble.services.standard.hid import HIDService
+from adafruit_seesaw import seesaw, rotaryio, digitalio
+
+# ios modifier
+mod = Keycode.CAPS_LOCK
+#  keycodes
+KBD_CODES = [
+    [Keycode.SPACE], # center
+    [mod], # up
+    [Keycode.LEFT_ARROW], # left
+    [Keycode.DOWN_ARROW], # down
+    [Keycode.RIGHT_ARROW], # right
+]
+
+i2c = board.STEMMA_I2C()
+seesaw = seesaw.Seesaw(i2c, addr=0x49)
+
+seesaw_product = (seesaw.get_version() >> 16) & 0xFFFF
+print(f"Found product {seesaw_product}")
+if seesaw_product != 5740:
+    print("Wrong firmware loaded?  Expected 5740")
+
+buttons = []
+button_names = ["Select", "Up", "Left", "Down", "Right"]
+button_states = []
+
+for s in range(1, 6):
+    seesaw.pin_mode(s, seesaw.INPUT_PULLUP)
+    pin = digitalio.DigitalIO(seesaw, s)
+    pin_state = False
+    buttons.append(pin)
+    button_states.append(pin_state)
+
+encoder = rotaryio.IncrementalEncoder(seesaw)
+last_position = 0
+
+if not buttons[0].value and button_states[0] is False:
+    button_states[0] = True
+    try:
+        import _bleio
+        time.sleep(2)
+        _bleio.adapter.erase_bonding()
+        time.sleep(2)
+        print("Last BLE bonding deleted, restarting..")
+        time.sleep(2)
+        microcontroller.reset()
+    except Exception: # pylint: disable=broad-except
+        pass
+
+#  BLE HID setup
+hid = HIDService()
+#  keyboard & mouse HID setup
+kbd = Keyboard(hid.devices)
+
+advertisement = ProvideServicesAdvertisement(hid)
+advertisement.appearance = 961
+scan_response = Advertisement()
+scan_response.complete_name = "CircuitPython HID"
+ble = adafruit_ble.BLERadio()
+
+if not ble.connected:
+    print("advertising")
+    ble.start_advertising(advertisement, scan_response)
+else:
+    print("already connected")
+    print(ble.connections)
+time.sleep(2)
+
+while True:
+	#  check for BLE connection
+    while not ble.connected:
+        pass
+	#  while BLE connected
+    while ble.connected:
+        position = encoder.position
+        #  if the encoder is turned to the right
+        if position > last_position:
+            kbd.send(Keycode.RIGHT_ARROW)
+		#  if the encoder is turned to the left
+        if position < last_position:
+            kbd.send(Keycode.LEFT_ARROW)
+		#  reset encoder position
+        if position != last_position:
+            last_position = position
+            print(f"Position: {position}")
+        for b in range(5):
+            if not buttons[b].value and button_states[b] is False:
+                button_states[b] = True
+                if b != 0:
+                    kbd.press(*KBD_CODES[b])
+                    print(*KBD_CODES[b])
+                else:
+                    kbd.press(mod)
+                    kbd.press(*KBD_CODES[b])
+                print(f"{button_names[b]} button pressed")
+            if buttons[b].value and button_states[b] is True:
+                button_states[b] = False
+                kbd.release_all()
+                print(f"{button_names[b]} button released")
+	#  if BLE disconnects, begin advertising again
+    ble.start_advertising(advertisement)