?? scsiwrite10.c
字號:
#ifndef _SCSI_DEFINE
#include "SCSI.c"
#endif
void SCSIWrite10(void)
{
register WORD i;
register BYTE m,n,hi;
xdata BYTE *sector;
bit k;
xdata struct SCSIWrite10Str *SCSICmdWrite10=SCSICBW->CBWCB;
sector=(BYTE *)&SCSICmdWrite10->LBA;
// printf("write sector:%08lx,%02bx...",*(DWORD *)sector,(BYTE)SCSICmdWrite10->Length);
while (!IDEStatus(IDE_STATUS_BSY,IDE_WAIT,FALSE,255));
// printf("BSY ok ");
while (!IDEStatus(IDE_STATUS_DRDY,IDE_WAIT,TRUE,255));
// printf("DRDY ok ");
IDE_WRITE_LSB(IDE_ADDR_CMD_LBA0,sector[3]);
IDE_WRITE_LSB(IDE_ADDR_CMD_LBA1,sector[2]);
IDE_WRITE_LSB(IDE_ADDR_CMD_LBA2,sector[1]);
IDE_WRITE_LSB(IDE_ADDR_CMD_LBA3,0xe0|(sector[0]&0x0f));
IDE_WRITE_LSB(IDE_ADDR_CMD_SECCNT,(BYTE)(SCSICmdWrite10->Length));
IDE_WRITE_LSB(IDE_ADDR_CMD_COMMAND,IDE_CMD_WRITE);
while (!IDEStatus(IDE_STATUS_BSY,IDE_WAIT,FALSE,255));
// printf("BSY ok ");
while(!IDEStatus(IDE_STATUS_DRQ,IDE_WAIT,TRUE,255));
// printf("DRQ ok \n");
UEPNUM=0x01;
while((UEPSTAX&(USB_INT_RXOUTB0|USB_INT_RXOUTB1))!=0x42);
if (UEP_BIT_DTGL) k=1; else k=0;
for(i=0;i<SCSICmdWrite10->Length;i++)
{
for(m=0;m<8;m++)
{
// if (UEP_BIT_DTGL)
{
while(!(UEPSTAX&(USB_INT_RXOUTB0|USB_INT_RXOUTB1)));
// printf("RX%bd--%02bx-%02bx-%02bx ",k,UBYCTX,UEPSTAX,UEPCONX);
for(n=0;n<UBYCTX;n+=2)
{
hi=UEPDATX;
// lo=UEPDATX;
// printf("%02bx %02bx ",hi,lo);
IDE_WRITE_WORD(IDE_ADDR_CMD_DATA,hi,UEPDATX);
}
// printf("\n");
if (k) CLEAR_BIT_6(UEPSTAX); else CLEAR_BIT_1(UEPSTAX); //清RXOUTB0
k=!k;
// printf("RB0 CLEARED %04d,%02bd\n",k++,m);
}
/* else
{
// while(!UEPSTAX&USB_INT_RXOUTB1);
printf("RX1--%02bx-%02bx-%02bx \n",UBYCTX,UEPSTAX,UEPCONX);
for(n=0;n<UBYCTX;n+=2)
{
hi=UEPDATX;
lo=UEPDATX;
// printf("%02bx %02bx ",hi,lo);
// IDE_WRITE_WORD(IDE_ADDR_CMD_DATA,hi,lo);
}
m++;
CLEAR_BIT_1(UEPSTAX); //清RXOUTB1
// printf("RB1 CLEARED %04d,%02bd\n",k++,m);
}*/
}
}
// printf("write ok\n");
}
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