pic mcu code:This application note describes the design and implementation of a USB Mass Storage Device (MSD) using a Secure Digital card, which should prove useful to developers of USB mass storage solutions. This application may be used as

MS-DOS 7.1 下加载U盘驱动的最好方式： 在autoexec.bat文件中加入如下几行: devload usbaspi.sys /r /v /norst devload usbcd.sys /d:usbcd devload di1000dd.sys SHSUCDX.COM /D:?USBCD 其中devload di1000dd.sys 用来驱动大容量U盘，devload usbcd.sys /d:usbcd 和SHSUCDX.COM /D:?US