Mac Linux USB Loader出现 "Couldn't get security scoped bookmarks"错误时, 需要删除 ~/Library/Containers/com.sevenbits.Mac-Linux-USB-Loader/ 文件 运行命令: rm -R ~/Library/Containers/com.sevenbits.Mac-Linux-USB-Loader/
What is the difference between a Bootrom vs bootloader on ARM systems Bootrom Bootrom (or Boot ROM) is a small piece of mask ROM or write-protected flash embedded inside the processor chip. It contains the very first code which is executed by the pro
dscr51里放的是USB描述符表,EZ-USB在重枚举阶段会读取或设置相应的描述符: db DSCR_DEVICE_LEN ;; Descriptor length db DSCR_DEVICE ;; Decriptor type dw 0002H ;; Specification Version (BCD) db 00H
在USB中,USB HOST是通过各种描述符来识别设备的,有设备描述符,配置描述符,接口描述符,端点描述符,字符串描述符,报告描述符等等.USB报告描述符(Report Descriptor)是HID设备中的一个描述符,它是比较复杂的一个描述符. USB HID设备是通过报告来给传送数据的,报告有输入报告和输出报告.输入报告是USB设备发送给主机的,例如USB鼠标将鼠标移动和鼠标点击等信息返回给电脑,键盘将按键数据数据返回给电脑等:输出报告是主机发送给USB设备的,例如键盘上的数字
# # List of USB ID's # # Maintained by Vojtech Pavlik <vojtech@suse.cz> # If you have any new entries, send them to the maintainer. # The latest version can be obtained from # http://www.linux-usb.org/usb.ids # # $Id: usb.ids,v 1.139 2004/02/14 00:1