02-xiao-samd21-circuitpython-mouse-jiggler.txt

XIAO SAMD21 で CircuitPython でマウスジグラー

参考にしたサイト
    https://qiita.com/airpocket/items/24e67922e0c0f1624ab8
    https://www.tomshardware.com/how-to/diy-mouse-jiggler-raspberry-pi-pico

XIAO は以下の手順で CircuitPython をインストールした状態
    https://gist.github.com/nezuppo/ba5b707daf3a425268fc855dc637626b

XIAO をラズパイに USB 接続
    fdisk で確認すると sdb の Disk model が Seeeduino XIAO なのでこれみたい
        $ sudo fdisk -l
        ... snip ...
        Disk /dev/sdb: 64.5 KiB, 66048 bytes, 129 sectors
        Disk model: Seeeduino XIAO
        Units: sectors of 1 * 512 = 512 bytes
        Sector size (logical/physical): 512 bytes / 512 bytes
        I/O size (minimum/optimal): 512 bytes / 512 bytes
        Disklabel type: dos
        Disk identifier: 0x00000000

        Device     Boot Start   End Sectors Size Id Type
        /dev/sdb1           1   128     128  64K  1 FAT12

$ sudo mount /dev/sdb1 xiao/

$ ls -la xiao/
total 22
drwxr-xr-x 4 root root 16384 Jan  1  1970 .
drwxr-xr-x 3 pi   pi    4096 May  7 18:12 ..
-rwxr-xr-x 1 root root   138 Jan  1  2000 boot_out.txt
-rwxr-xr-x 1 root root     0 Jan  1  2000 code.py
drwxr-xr-x 2 root root   512 Jan  1  2000 .fseventsd
drwxr-xr-x 2 root root   512 Jan  1  2000 lib
-rwxr-xr-x 1 root root     0 Jan  1  2000 .metadata_never_index
-rwxr-xr-x 1 root root     0 Jan  1  2000 .Trashes

ラズパイで Adafruit_CircuitPython_HID を git clone
    $ git clone https://github.com/adafruit/Adafruit_CircuitPython_HID.git

$ sudo cp -r Adafruit_CircuitPython_HID/adafruit_hid xiao/lib/

code.py をバックアップ
    $ sudo cp -p xiao/code.py{,.bk-$(date +%Y-%m%d-%H%M%S)}

$ cat << EOF | sudo tee xiao/code.py
import time
import board
import usb_hid
from adafruit_hid.mouse import Mouse
from digitalio import DigitalInOut, Direction

class LED:
    def __init__(self, inout):
        self.__digitalio = DigitalInOut(inout)
        self.__digitalio.direction = Direction.OUTPUT
        self.off()

    def off(self):
        self.__digitalio.value = True

    def on(self):
        self.__digitalio.value = False

class LEDs:
    def __init__(self):
        self.__yellow = LED(board.LED_INVERTED)
        self.__blue = LED(board.BLUE_LED2_INVERTED)

    def blink(self):
        for i in range(3):
            self.__yellow.on()
            time.sleep(0.5)

            self.__yellow.off()
            self.__blue.on()
            time.sleep(0.5)

            self.__blue.off()

time.sleep(3)
leds = LEDs()

m = Mouse(usb_hid.devices)
while True:
        m.move(1, 0, 0)
        m.move(-1, 0, 0)
        leds.blink()
        time.sleep(300)
EOF