www.pudn.com > arm_uDisk.rar > USBOUT.C
/****************************************************************
NAME: usbout.c
DESC: USB bulk-OUT operation related functions
HISTORY:
Mar.25.2002:purnnamu: ported for S3C2410X.
Mar.27.2002:purnnamu: DMA is enabled.
****************************************************************/
#include
#include "option.h"
#include "2410addr.h"
#include "2410lib.h"
#include "def.h"
#include "2410usb.h"
#include "usbmain.h"
#include "usb.h"
#include "usblib.h"
#include "usbsetup.h"
#include "usbout.h"
#include "Globe.h"
//static void PrintEpoPkt(U8 *pt,int cnt);
static void RdPktEp3_CheckSum(U8 *buf,int num);
// ===================================================================
// All following commands will operate in case
// - out_csr3 is valid.
// ===================================================================
#define CLR_EP3_OUT_PKT_READY() rOUT_CSR1_REG= ( out_csr3 &(~ EPO_WR_BITS)\
&(~EPO_OUT_PKT_READY) )
#define SET_EP3_SEND_STALL() rOUT_CSR1_REG= ( out_csr3 & (~EPO_WR_BITS)\
| EPO_SEND_STALL) )
#define CLR_EP3_SENT_STALL() rOUT_CSR1_REG= ( out_csr3 & (~EPO_WR_BITS)\
&(~EPO_SENT_STALL) )
#define FLUSH_EP3_FIFO() rOUT_CSR1_REG= ( out_csr3 & (~EPO_WR_BITS)\
|EPO_FIFO_FLUSH) )
// ***************************
// *** VERY IMPORTANT NOTE ***
// ***************************
// Prepare for the packit size constraint!!!
// EP3 = OUT end point.
U8 ep3Buf[EP3_PKT_SIZE];
static U8 tempBuf[64+1];
static U8 TempMem[16];//Save address from PC
#ifdef _FOR_UDISK_
#include "f_type.h"
#include "F_driver.h"
#include "MASS_STORAGE.H"
u8 CBWTable[31] = {0};
u8 CBW_flg = 0;//0:none; 1:CBW; 2:PC out data; 3:PC in data
u8 Data_flg = 0;//0:non; 1:Data; 2:CSW; 3:write10 CSW
u8 Data_loop = 0;
u8 tempbuf[64] = {0};
u8 CSWbuf[13] = {0};
u8 *buffer;
int bufLen;
u8 DiskIndex;
u32 LBA_START,dCBWDaTrLen;
u16 LBA_Length;
u8 SCSICommand;
u8 buffer1[512*8];//it is very importent
extern void Mass_acces(void);
void Mass_acces(void)
{
u32 i;
u32 j;
if(CBW_flg == 1)
{
CBW_flg = 0;
GetCBWTable(CBWTable, &DiskIndex,&LBA_START, &LBA_Length, &SCSICommand);
dCBWDaTrLen=(u32)(((u32)(CBWTable[11]<<8)+(CBWTable[10]))<<15);
dCBWDaTrLen=(dCBWDaTrLen<<1)+(u32)((u32)(CBWTable[9]<<8)+(CBWTable[8])) ; // copmpute the length
//Uart_Printf("SCSICommand: 0x%x\n",SCSICommand);
switch(SCSICommand)
{
case Format_Unit://0x04
Uart_Printf("SCSICommand: 0x%x\n",SCSICommand);
break;
case Inquiry://0x12
//Uart_Printf("dCBWDaTrLen:%d\n",dCBWDaTrLen);
FillInquiryTable(tempbuf);
FillCSWTable(CSWbuf);
Data_flg = 2;
PrepareEp1Fifo_1(tempbuf,36);
//PrepareEp1Fifo_1(DISK_INF,36);
break;
case Read_10://0x28
//Uart_Printf("1.LBA_START: %d\tLBA_Length: %d\n",LBA_START,LBA_Length);
F_ReadSector(hFile,LBA_START,1,buffer1);
bufLen = LBA_Length*512-EP1_PKT_SIZE;
for(j=0;jEP3_PKT_SIZE)
{
for(i=0;iEP1_PKT_SIZE*/(LBA_Length>(Data_loop+1)/8))//one sector read
{
F_WriteSector(hFile,LBA_START,1,buffer1);
LBA_START++;
buffer = buffer1;
}
else
buffer+=EP3_PKT_SIZE;
Data_loop ++;
}
else
{
for(i=0;i(Data_loop+1)/8))//one sector read
{
F_WriteSector(hFile,LBA_START,1,buffer1);
LBA_START++;
buffer = buffer1;
}
for(j=4;j<8;j++)//TAG
{
CSWbuf[j] = CBWTable[j];
}
Data_flg = 3;
PrepareEp1Fifo_1(CSWbuf,13);
}
}
}
else if(CBW_flg == 3)
{
CBW_flg = 0;
//Uart_Printf("read10\n");
if(Data_flg==1)
{
Data_loop ++;
if(bufLen>EP1_PKT_SIZE)
{
for(i=0;iEP1_PKT_SIZE*/(LBA_Length>(Data_loop+1)/8))//one sector read
{
LBA_START++;
F_ReadSector(hFile,LBA_START/*+((Data_loop+1)/8)*/,1,buffer1);
buffer = buffer1;
}
else
buffer+=EP1_PKT_SIZE;
PrepareEp1Fifo_1(tempbuf,EP1_PKT_SIZE);
}
else
{
for(i=0;i");
#endif
RdPktEp3_CheckSum((U8 *)downPt,fifoCnt);
downPt+=fifoCnt;//fifoCnt=32
}
#endif
CLR_EP3_OUT_PKT_READY();
return;
}//End of if(out_csr3 & EPO_OUT_PKT_READY)
}
else if(USBD_flg==1)
{
if(out_csr3 & EPO_OUT_PKT_READY)
{
fifoCnt=rOUT_FIFO_CNT1_REG;
RdPktEp3(ep3Buf,fifoCnt);
if(!CheckCBWTable(ep3Buf))//CBW
{
u8 j;
for(j=0;j<31;j++)
{
CBWTable[j] = ep3Buf[j];
}
CBW_flg = 1;
}
else//PC write data
{
CBW_flg = 2;
}
Mass_acces();
return;
}
}
#else
if(out_csr3 & EPO_OUT_PKT_READY)
{
fifoCnt=rOUT_FIFO_CNT1_REG;
#if 0
RdPktEp3(ep3Buf,fifoCnt);
//PrintEpoPkt(ep3Buf,fifoCnt);
#else
if(DownloadFileSize==0)
{
downPt=TempMem;
RdPktEp3((U8 *)downPt,8);
downPt=TempMem;
if(DownLoadOK==1)
{
DownloadAddress=TempDownloadAddress;
}
else
{ //extern volatile U32 DownloadAddress,
DownloadAddress=
*((U8 *)(downPt+0))+
(*((U8 *)(downPt+1))<<8)+
(*((U8 *)(downPt+2))<<16)+
(*((U8 *)(downPt+3))<<24);
}
DownloadFileSize=
*((U8 *)(downPt+4))+
(*((U8 *)(downPt+5))<<8)+
(*((U8 *)(downPt+6))<<16)+
(*((U8 *)(downPt+7))<<24);
checkSum=0;//extern volatile U16 checkSum;
downPt=(U8 *)DownloadAddress;
RdPktEp3_CheckSum((U8 *)downPt,fifoCnt-8);//The first 8-bytes are deleted (have been read).
downPt+=fifoCnt-8;
#if USBDMA
//CLR_EP3_OUT_PKT_READY() is not executed.
//So, USBD may generate NAK until DMA2 is configured for USB_EP3;
rINTMSK|=BIT_USBD;//for debug
return;
#endif
}
else
{
#if USBDMA
// Uart_Printf("");
#endif
RdPktEp3_CheckSum((U8 *)downPt,fifoCnt);
downPt+=fifoCnt;//fifoCnt=32
}
#endif
CLR_EP3_OUT_PKT_READY();
return;
}//End of if(out_csr3 & EPO_OUT_PKT_READY)
#endif
//I think that EPO_SENT_STALL will not be set to 1.
if(out_csr3 & EPO_SENT_STALL)
{
//DbgPrintf("[STALL]");
CLR_EP3_SENT_STALL();
return;
}
}
void RdPktEp3_CheckSum(U8 *buf,int num)
{
int i;
for(i=0;i=DownloadFileSize)// is last?
{
totalDmaCount=DownloadFileSize;
ConfigEp3IntMode();
if(out_csr3& EPO_OUT_PKT_READY)
{
CLR_EP3_OUT_PKT_READY();
}
rINTMSK|=BIT_DMA2;
rINTMSK&=~(BIT_USBD);
}
else
{
if((totalDmaCount+0x80000)