제공된 USB 케이블을 통해 Vultech UPS1050VA-PRO를 새 Raspberry Pi 4에 연결하려고 했지만 lsusb 출력에 표시되지 않았습니다(Raspberry Pi 4의 USB 2.0 및 3.0 포트에 연결해 보았습니다). 또한 USB 썸 드라이브가 연결된 모든 USB 포트를 테스트했는데 모두 제대로 작동했습니다. 대신, UPS 케이블을 기존 Raspberry Pi 2에 연결하려고 하면 lsusb가 정상적으로 감지합니다(아래 참조).
내가 뭘 잘못했나요? 미리 감사드립니다
Raspbian Buster를 사용한 라즈베리 파이 4 테스트 정보
$ sudo lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ # no change when connecting the usb cable
$ uname -a
Linux rpi4 5.10.63-v7l+ #1459 SMP Wed Oct 6 16:41:57 BST 2021 armv7l GNU/Linux
이 USB 케이블과 관련된 /var/log/messages 항목이 없습니다.
================================================== =========
Raspberry Pi 2 및 Raspbian Jessie에 대한 테스트 정보
$ echo before connecting UPS usb cable ; sudo lsusb
before connecting UPS usb cable
Bus 001 Device 004: ID 1058:1003 Western Digital Technologies, Inc. Elements 1000 GB
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ echo after connecting UPS usb cable ; sudo lsusb
after connecting UPS usb cable
Bus 001 Device 006: ID 0925:1234 Lakeview Research
Bus 001 Device 004: ID 1058:1003 Western Digital Technologies, Inc. Elements 1000 GB
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$
$ uname -a
Linux myrpi2 4.9.35-v7+ #1014 SMP Fri Jun 30 14:47:43 BST 2017 armv7l GNU/Linux
USB 케이블이 연결되면 /var/log/messages의 항목
Nov 3 01:27:55 myrpi2 kernel: [210930.891008] usb 1-1.5: new low-speed USB device number 6 using dwc_otg
Nov 3 01:27:56 myrpi2 kernel: [210931.038954] usb 1-1.5: New USB device found, idVendor=0925, idProduct=1234
Nov 3 01:27:56 myrpi2 kernel: [210931.038974] usb 1-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Nov 3 01:27:56 myrpi2 kernel: [210931.038985] usb 1-1.5: Product: UPS USB MON V1.4
Nov 3 01:27:56 myrpi2 kernel: [210931.038995] usb 1-1.5: Manufacturer: Љ
Nov 3 01:27:56 myrpi2 kernel: [210931.055863] hid-generic 0003:0925:1234.0002: hiddev0,hidraw0: USB HID v1.00 Device [Љ UPS USB MON V1.4] on usb-3f980000.usb-1.5/input0
Nov 3 01:28:27 myrpi2 kernel: [210962.083218] usb 1-1.5: USB disconnect, device number 6