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/**
*
读磁盘容量命令
* @param *buf
数据缓冲区指针
* @return 0 -
成功
*/
short
ufiReadCapacity(
BYTE
*buf)
{
READ_CAPACITY
*readCapacity;
BYTE
i;
CBW
*cbw;
//
设置
Bulk-Only
协议参数
cbw = &ufiCmdRunning.
cbw
;
cbw->
dCBW_Signature
= CBW_SIGNATURE;
cbw->
dCBW_Tag
= 0x60a624de;
cbw->
dCBW_DataXferLen
= 0x08;
cbw->
bCBW_Flag
=0x80;
cbw->
bCBW_LUN
=0;
cbw->
bCBW_CDBLen
= 0x0A;
//sizeof(CDB_RBC);
//
设置
UFI
命令参数
readCapacity = &(cbw->
cdbRBC
.
ufiReadCapacity
);
readCapacity->
OperationCode
= 0x25;
for
(i = 0; i <
sizeof
(readCapacity->
Reserved
); i++)
readCapacity->
Reserved
[i] = 0;
//
设置状态扫描函数所需要的参数
ufiCmdRunning.
funUfiCmd
= bulkRead;
ufiCmdRunning.
pBuf
= buf;
ufiCmdRunning.
state
= UFI_STATE_BEGIN;
//
通过
Bulk
端口发送读命令
bulkRead((
unsigned
char
*)&ufiCmdRunning.
cbw
, buf, (
unsigned
char
*)&ufiCmdRunning.
csw
);
return
0;
}
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本文转自 tywali 51CTO博客，原文链接：http://blog.51cto.com/lancelot/317091，如需转载请自行联系原作者
