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Linux系统中如何查看串口号？

更新时间：2025-06-25 02:15:39

1、首先，如果是虚拟机需要将可移动设备接入到虚拟机中。

2、安装串口驱动。

[Linux CH34x串口驱动]

3、可以使用dmesg | grep tty命令查看。

例如下方的示例，其中ttyACM0和ttyACM1就是串口号。

输入：$ dmesg |grep tty
输出：
[    1.405936] printk: console [tty0] enabled
[    2.855679] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 5297.621624] usb 2-2.1: ch341-uart converter now attached to ttyUSB0
[ 5320.793242] ch341-uart ttyUSB0: failed to read modem status: -110
[ 5383.118225] ch341-uart ttyUSB0: failed to read modem status: -110
[ 9996.206253] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[ 9997.057358] usb 2-2.1: ch341-uart converter now attached to ttyUSB0
[ 9998.585996] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[24564.797290] cdc_acm 2-2.1:1.0: ttyACM0: USB ACM device
[24564.797765] cdc_acm 2-2.1:1.2: ttyACM1: USB ACM device