我想知道是否有任何人可以帮助解释我在串口下面遇到的错误。
我正在使用 USB 转 RS485 线连接到 epever 太阳能控制器。我有一个小的 python3 程序可以通过 Modbus 读取寄存器。我让它在 Windows 上使用 Python3 和 pymodbus 成功运行。
我找到了一些为 Raspian 编译驱动程序的说明，将其加载并接受。但是，当我运行与在 Windows 中相同的程序时，我没有得到结果并得到以下作为对 'dmesg' 命令的响应。
有谁知道这意味着什么，是否有线索可以尝试？
谢谢
[ 448.075850] cdc_xr_usb_serial 1-1.3.1:1.0: xr_usb_serial_port_activate
[ 448.076258] cdc_xr_usb_serial 1-1.3.1:1.0: xr_usb_serial_ctrl_msg - rq 0x22, val 0x3, len 0x0, result 0
[ 515.951828] cdc_xr_usb_serial 1-1.3.1:1.0: xr_usb_serial_tty_close
[ 515.951876] cdc_xr_usb_serial 1-1.3.1:1.0: xr_usb_serial_port_shutdown
[ 515.952299] cdc_xr_usb_serial 1-1.3.1:1.0: xr_usb_serial_ctrl_msg - rq 0x22, val 0x0, len 0x0, result 0
[ 515.952339] cdc_xr_usb_serial 1-1.3.1:1.0: xr_usb_serial_ctrl_irq - urb shutt ing down with status: -2
[ 515.952375] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.952417] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.952450] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.952478] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.952506] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.952534] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.952612] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.952649] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.952730] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.952769] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.952806] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.952883] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.952922] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.953000] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.953037] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.953115] cdc_xr_usb_serial 1-1.3.1:1.1: xr_usb_serial_read_bulk_callback - non-zero urb status: -2
[ 515.953307] cdc_xr_usb_serial 1-1.3.1:1.0: xr_usb_serial_tty_cleanup