rasberry pi

pi@raspberrypi:~ $ cat /etc/os-release
PRETTY_NAME="Raspbian GNU/Linux 11 (bullseye)"
NAME="Raspbian GNU/Linux"
VERSION_ID="11"
VERSION="11 (bullseye)"
VERSION_CODENAME=bullseye
ID=raspbian
ID_LIKE=debian
HOME_URL="http://www.raspbian.org/"
SUPPORT_URL="http://www.raspbian.org/RaspbianForums"
BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs"

pi@raspberrypi:~ $ sudo systemctl status hciuart
● hciuart.service - Configure Bluetooth Modems connected by UART
     Loaded: loaded (/lib/systemd/system/hciuart.service; enabled; vendor preset: enabled)
     Active: active (running) since Tue 2023-02-21 01:23:41 GMT; 1 months 22 days ago
   Main PID: 704 (hciattach)
      Tasks: 1 (limit: 1596)
        CPU: 272ms
     CGroup: /system.slice/hciuart.service
             └─704 /usr/bin/hciattach /dev/serial1 bcm43xx 921600 noflow - b8:27:eb:52:3e:33

Feb 21 01:23:35 raspberrypi systemd[1]: Starting Configure Bluetooth Modems connected by UART...
Feb 21 01:23:41 raspberrypi btuart[449]: bcm43xx_init
Feb 21 01:23:41 raspberrypi btuart[449]: Flash firmware /lib/firmware/brcm/BCM43430A1.hcd
Feb 21 01:23:41 raspberrypi btuart[449]: Set BDADDR UART: b8:27:eb:52:3e:33
Feb 21 01:23:41 raspberrypi btuart[449]: Set Controller UART speed to 921600 bit/s
Feb 21 01:23:41 raspberrypi btuart[449]: Device setup complete
Feb 21 01:23:41 raspberrypi systemd[1]: Started Configure Bluetooth Modems connected by UART.
pi@raspberrypi:~ $ sudo systemctl disable hciuart
Removed /etc/systemd/system/dev-serial1.device.wants/hciuart.service.

pi@raspberrypi:~ $ sudo apt install python3-pip
pi@raspberrypi:~ $ sudo pip3 install pyserial

pi@raspberrypi:~ $ ls -l /dev | grep serial
lrwxrwxrwx 1 root root           5 Apr 15 09:13 serial0 -> ttyS0
lrwxrwxrwx 1 root root           7 Apr 15 09:13 serial1 -> ttyAMA0

pi@raspberrypi:~ $ sudo tail /boot/config.txt

[all]

[pi4]
# Run as fast as firmware / board allows
arm_boost=1

[all]
enable_uart=1
dtoverlay=disable-bt

pi@raspberrypi:~ $ sudo reboot now

pi@raspberrypi:~ $ ls -l /dev/  | grep serial
lrwxrwxrwx 1 root root           7 Apr 15 09:19 serial0 -> ttyAMA0
lrwxrwxrwx 1 root root           5 Apr 15 09:19 serial1 -> ttyS0

先ず初めに以下の手順でコーディネータ側を起動します。

SKSETPWD C 0123456789AB
SKSETRBID 00112233445566778899AABBCCDDEEFF 

SKSCAN 0 FFFFFFFF 4 

read b"ERXUDP FE80:0000:0000:0000:0123:4567:89ab:cdef 02CC 02CC XXXXXXXXXXXX 0 0068 \0\0\0h ........ \0\0\n"
read b" ~l9\xb8 ....... D20\r\n"