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用户316955 2010-12-1 10:45
FAT32的目录项结构
(1) 0-- 7字节 文件正名。 (2) 8--10字节 文件扩展名。 (3) 11字节 文件属性,按二进制位定义,最高两位保留未用,0至5位分别是只读位、隐藏位、系统位、卷标 ...
用户316955 2010-11-29 13:56
HcControl Register
The HcControl register defines the operating modes for the Host Controller.  Most of the fields in this register are modified only by the Host Con ...
用户316955 2010-11-29 13:54
HcInterruptEnable Register
Each enable bit in the HcInterruptEnable register corresponds to an associated interrupt bit in the HcInterruptStatus register.  The HcInterrup ...
用户316955 2010-11-29 13:53
HcInterruptStatus Register
This register provides status on various events that cause hardware interrupts.  When an event occurs, Host Controller sets the corresponding bit in ...
用户316955 2010-11-29 13:52
HcCommandStatus Register
The HcCommandStatus register is used by the Host Controller to receive commands issued by the Host Controller Driver, as well as reflecting the cur ...
用户316955 2010-11-26 14:44
最小二乘法实现
unsigned char zxechf(double x ,unsigned char n,double *a,double *b) {     double A=0.0,B=0.0,C=0.0,D=0.0,delta;     unsigned char i;     for( ...
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