The ZIP file attached with this knowledge base article contains the CyUSB3.inf and CyUSB3.sys files for FX3, FX2LP (CY7C68013A / CY7C68014A / CY7C68015A / CY7C68016A), and FX1 (CY7C64713) The following operating systems are supported: Windows XP (32-
需求 项目需求从字段2位小数,改成3位小数,这事儿好办,数据库噼里啪啦敲了一行代码,发现居然报错,原因是不能修改字段精度问题,然后使用了冒泡排序,搞定 --新增临时字段 ,); --将原字段内容拷贝至新字段 UPDATE Real_Proj_Section SET WEIGHT2=WEIGHT --删除原先字段 alter table Real_Proj_Section drop column WEIGHT --新增原先字段 ,); --给原先字段加备注 comment on column Re
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
发现个USB ID站点,对于做设备管理识别的小伙伴特别实用 http://www.linux-usb.org/usb.ids 附录: # # List of USB ID's # # Maintained by Stephen J. Gowdy <linux.usb.ids@gmail.com> # If you have any new entries, please submit them via # http://www.linux-usb.org/usb-ids.html # or s
# # 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