add circuitpython code

1 files changed, 57 insertions, 0 deletions

diff --git a/circuitpython/frozen/Adafruit_CircuitPython_HID/examples/hid_simple_gamepad.py b/circuitpython/frozen/Adafruit_CircuitPython_HID/examples/hid_simple_gamepad.py
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+++ b/circuitpython/frozen/Adafruit_CircuitPython_HID/examples/hid_simple_gamepad.py
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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)