树莓派Linux安装usb摄像头/打印机

设备

1. HP IR Camara
   USB\VID_04F2&PID_B634&REV_0012&MI_02
2. HP Wide Vision FHD Camera
   USB\VID_04F2&PID_B634&REV_0012&MI_00
3. USB小票机
   USB\VID_0471&PID_0055&REV_0100

lsusb 命令列出设备

插入设备前

alex@raspberrypi:~ $ 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

插入设备后

alex@raspberrypi:~ $ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 0471:0055 Philips (or NXP) GA-E200
Bus 001 Device 006: ID 04f2:b634 Chicony Electronics Co., Ltd HP Wide Vision FHD Camera
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

使用网站测试

https://blazor.app1.es/barcodescanner
https://blazor.app1.es/screencapture

居然直接能查看了.不用费心机安装驱动

其他方法

sudo apt-get update
sudo apt-get install fswebcam
sudo apt-get install mplayer
sudo apt-get install alsamixer

安装完毕

ls /dev查找设备是否有video0这个设备

sudo mplayer tv:// 可以看到摄像内容