问题描述
我正在尝试访问来自我的太阳能逆变器的数据流。逆变器设备在 lsusb（总线 002 设备 007）中被识别，但如从 dmesg 中看到的那样，它已断开连接。任何人都可以帮我解决这个问题吗？
$ lsusb
Bus 002 Device 003: ID 0bda:0138 Realtek Semiconductor Corp. RTS5138 Card Reader Controller
Bus 002 Device 007: ID 0665:5161 Cypress Semiconductor USB to Serial
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 006: ID 0bda:58c1 Realtek Semiconductor Corp.
Bus 001 Device 005: ID 0a5c:21bc Broadcom Corp. BCM2070 Bluetooth 2.1 + EDR
Bus 001 Device 008: ID 0000:3825
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub`
$ dmesg|grep tty
[ 0.000000] console [tty0] enabled
[ 460.175426] usb 2-1.2: pl2303 converter now attached to ttyUSB0
[ 478.375365] pl2303 ttyUSB0: usb_serial_generic_read_bulk_callback - urb stopped: -32
[ 478.375732] pl2303 ttyUSB0: usb_serial_generic_read_bulk_callback - urb stopped: -32
[ 478.672989] pl2303 ttyUSB0: pl2303_set_control_lines - failed: -19
[ 478.673006] pl2303 ttyUSB0: error sending break = -19
[ 478.673382] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 479.442249] usb 2-1.2: pl2303 converter now attached to ttyUSB1
[ 480.719091] pl2303 ttyUSB1: pl2303 converter now disconnected from ttyUSB1
您可以询问此信息：
$ uname -a
Linux kumar54-Laptop-home 4.15.0-101-generic #102~16.04.1-Ubuntu SMP Mon May 11 11:44:23 UTC 2020 i686 i686 i686 GNU/Linux
$ lsb_release -a
No LSB modules are available.
Distributor ID: LinuxMint
Description: Linux Mint 18.3 Sylvia
Release: 18.3
Codename: sylvia
解决方法
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