jpnevulator安装：
apt install jpnevulator
运行：
jpnevulator --tty=/dev/ttyS4 --pty --pass --read --ascii --timing-print --file=serial.log
-----jpnevulator: slave pts device is /dev/pts/1
原来的程序打开/dev/ttyS4 改为 /dev/pts/1
触发通讯：
2025-02-07 21:29:57.133017: /dev/pts/1
00 13 01 00 10 .....
2025-02-07 21:29:57.135967: /dev/ttyS4
31 07 11 0A 1B 53 41 32 41 46 2E 30 30 56 31 05 1....SA2AF.00V1.
90 00
https://files.cnblogs.com/files/ahuo/jpnevulator-arm32.zip
