Seeed Studio XIAO SAMD21/CircuitPythonでトラックポイントを使う

code.py

import board
import digitalio
import time
import touchio
import usb_hid
from adafruit_hid.mouse import Mouse

mouse = Mouse(usb_hid.devices)

forward = digitalio.DigitalInOut(board.D7)
backward = digitalio.DigitalInOut(board.D8)

forward.direction = digitalio.Direction.OUTPUT
backward.direction = digitalio.Direction.OUTPUT

x = touchio.TouchIn(board.A0)
y = touchio.TouchIn(board.A1)

backward.value = True
forward.value = False
time.sleep(0.1)
x1 = x.raw_value
y1 = y.raw_value

backward.value = False
forward.value = True
time.sleep(0.1)
x2 = x.raw_value
y2 = y.raw_value

while True:
	backward.value = True
	forward.value = False
	time.sleep(0.01)
	xm = x.raw_value - x1
	ym = y.raw_value - y1
	
	backward.value = False
	forward.value = True
	time.sleep(0.01)
	xp = x.raw_value - x2
	yp = y.raw_value - y2
	print(xm, ym, xp, yp)
	
	dx = xp-xm
	dy = yp-ym
	rep_y = dx if dx < -16 or 16 < dx else 0
	rep_x = -dy if dy < -16 or 16 < dy else 0
	mouse.move(int(rep_x/4), int(rep_y/4))