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# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT
# You must add a gamepad HID device inside your boot.py file
# in order to use this example.
# See this Learn Guide for details:
# https://learn.adafruit.com/customizing-usb-devices-in-circuitpython/hid-devices#custom-hid-devices-3096614-9
import board
import digitalio
import analogio
import usb_hid
from hid_gamepad import Gamepad
gp = Gamepad(usb_hid.devices)
# Create some buttons. The physical buttons are connected
# to ground on one side and these and these pins on the other.
button_pins = (board.D2, board.D3, board.D4, board.D5)
# Map the buttons to button numbers on the Gamepad.
# gamepad_buttons[i] will send that button number when buttons[i]
# is pushed.
gamepad_buttons = (1, 2, 8, 15)
buttons = [digitalio.DigitalInOut(pin) for pin in button_pins]
for button in buttons:
button.direction = digitalio.Direction.INPUT
button.pull = digitalio.Pull.UP
# Connect an analog two-axis joystick to A4 and A5.
ax = analogio.AnalogIn(board.A4)
ay = analogio.AnalogIn(board.A5)
# Equivalent of Arduino's map() function.
def range_map(x, in_min, in_max, out_min, out_max):
return (x - in_min) * (out_max - out_min) // (in_max - in_min) + out_min
while True:
# Buttons are grounded when pressed (.value = False).
for i, button in enumerate(buttons):
gamepad_button_num = gamepad_buttons[i]
if button.value:
gp.release_buttons(gamepad_button_num)
print(" release", gamepad_button_num, end="")
else:
gp.press_buttons(gamepad_button_num)
print(" press", gamepad_button_num, end="")
# Convert range[0, 65535] to -127 to 127
gp.move_joysticks(
x=range_map(ax.value, 0, 65535, -127, 127),
y=range_map(ay.value, 0, 65535, -127, 127),
)
print(" x", ax.value, "y", ay.value)
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