94efa063a8
Code for the Glider Paper Airplane Controller Learn Guide. Uses the nRF52840 LED Glasses Driver board for BLE and accelerometer to control Glider.
78 lines
2.1 KiB
Python
78 lines
2.1 KiB
Python
# SPDX-FileCopyrightText: 2022 Liz Clark for Adafruit Industries
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# SPDX-License-Identifier: MIT
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import time
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import board
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import adafruit_lis3dh
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import simpleio
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import adafruit_ble
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from adafruit_ble.advertising import Advertisement
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from adafruit_ble.advertising.standard import ProvideServicesAdvertisement
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from adafruit_ble.services.standard.hid import HIDService
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from adafruit_hid.keyboard import Keyboard
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from adafruit_hid.keycode import Keycode
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# I2C setup
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i2c = board.I2C()
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lis3dh = adafruit_lis3dh.LIS3DH_I2C(i2c)
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# range of LIS3DH
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lis3dh.range = adafruit_lis3dh.RANGE_2_G
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# BLE HID setup
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hid = HIDService()
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advertisement = ProvideServicesAdvertisement(hid)
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advertisement.appearance = 961
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scan_response = Advertisement()
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scan_response.complete_name = "CircuitPython HID"
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# BLE instance
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ble = adafruit_ble.BLERadio()
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# keyboard HID setup
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keyboard = Keyboard(hid.devices)
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# BLE advertisement
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if not ble.connected:
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print("advertising")
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ble.start_advertising(advertisement, scan_response)
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else:
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print("connected")
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print(ble.connections)
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while True:
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while not ble.connected:
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pass
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# while BLE connected
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while ble.connected:
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# read LIS3DH
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x, y, z = [
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value / adafruit_lis3dh.STANDARD_GRAVITY for value in lis3dh.acceleration
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]
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# map Y coordinate of LIS3DH
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mapped_y = simpleio.map_range(y, -1.1, 1.1, 0, 3)
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# convert mapped value to an integer
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plane = int(mapped_y)
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# if you're tilting down...
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if plane == 0:
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# send R, glider moves right
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keyboard.press(Keycode.R)
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# debug
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# print("right")
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# if there's no tilt...
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if plane == 1:
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# release all keys, send nothing to glider
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keyboard.release_all()
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# debug
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# print("none")
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# if you're tilting up...
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if plane == 2:
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# send L, glider moves left
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keyboard.press(Keycode.L)
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# debug
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# print("left")
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time.sleep(0.01)
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# if BLE disconnects, begin advertising again
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ble.start_advertising(advertisement)
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