|
/**
*
读取错误原因
* @param *buf
存放读取出来数据的缓冲区
* @return 0 -
成功
*/
short
ufiRequestSense(
BYTE
*buf)
{
REQUEST_SENSE
*request;
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
= 0x12;
cbw->
bCBW_Flag
=0x80;
cbw->
bCBW_LUN
=0;
cbw->
bCBW_CDBLen
= 0x0C;
//sizeof(CDB_RBC);
//
设置
UFI
命令参数
request = &(cbw->
cdbRBC
.
ufiRequestSense
);
request->
OperationCode
= 0x03;
request->
AllocationLen
= 0x12;
//
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;
}
|
本文转自 tywali 51CTO博客，原文链接：http://blog.51cto.com/lancelot/318290，如需转载请自行联系原作者
