///////////////////////////////////////////////////////////////////////////////////////////////////////
//Return Value:
// 1: Fail, 0: Success
///////////////////////////////////////////////////////////////////////////////////////////////////////
int Read_10(unsigned long lUSB_LUN_Read)
{
int i;
unsigned long SCSI_LBA;
unsigned int SCSI_Transfer_Length;
unsigned long USB_RW_Buffer_PTR, USB_RW_Buffer_PTR_A,USB_RW_Buffer_PTR_B,USB_RW_Buffer_PTR_Temp;
int ret,stage;
unsigned long num;
unsigned int USBDMA_CHANNEL0, USBDMA_CHANNEL1, USBDMA_CHANNEL2, USBDMA_CHANNEL3;
str_USB_Lun_Info* ptr_USB_LUN_Read;
ptr_USB_LUN_Read = (str_USB_Lun_Info*)lUSB_LUN_Read;
ulTimeout = 0x4FFFF;
ret=0x00;
stage = 0x00;
Sense_Code = 0;
R_USB_RW_Busy = 1;
SCSI_LBA=GetLBA();
SCSI_Transfer_Length=GetTransLeng();
USB_RW_Buffer_PTR=GetBufferPointer();
USB_RW_Buffer_PTR_A=USB_RW_Buffer_PTR; //add by zhangxh 2006/01/19
USB_RW_Buffer_PTR_B=USB_RW_Buffer_PTR_A + 256;
#ifdef OS_vension
USBDMA_CHANNEL0 = MallocChannel(); //by zhangxh 2006/01/19
USBDMA_CHANNEL1 = MallocChannel(); //by zhangxh 2006/01/19
USBDMA_CHANNEL2 = MallocChannel(); //by zhangxh 2006/01/19
USBDMA_CHANNEL3 = MallocChannel(); //by zhangxh 2006/01/19
#else
USBDMA_CHANNEL0 = 0;
USBDMA_CHANNEL1 = 1;
USBDMA_CHANNEL2 = 2;
USBDMA_CHANNEL3 = 3;
#endif
if(ptr_USB_LUN_Read->unLunType == LunType_SDCardReader) //SD Card
{
#ifdef SD_Used
if ((SCSI_LBA + SCSI_Transfer_Length)>SDCTotalSector) //huck
{
Sense_Code = 0x1B; //LOGICAL BLOCK ADDRESS OUT OF RANGE
ret = 1;
goto End;
}
for(i=0 ; i < SCSI_Transfer_Length ; i++)
{
if (i == 0)
ret = DrvSDCReadMultiSector_USB((unsigned long)SCSI_LBA+i, (unsigned long)USB_RW_Buffer_PTR_A,USBDMA_CHANNEL0,0);
else
ret = DrvSDCReadMultiSector_USB((unsigned long)SCSI_LBA+i, (unsigned long)USB_RW_Buffer_PTR_A,USBDMA_CHANNEL0,1);
if (i == SCSI_Transfer_Length-1)
ret = DrvSDCReadMultiSector_USB((unsigned long)SCSI_LBA+i, (unsigned long)USB_RW_Buffer_PTR_A,USBDMA_CHANNEL0,2);
if(ret != 0x00)
{
DrvSDCReadMultiSector_USB((unsigned long)SCSI_LBA+i, (unsigned long)USB_RW_Buffer_PTR_A,USBDMA_CHANNEL0,4); //4,stop the SDC Only
Sense_Code=0x08;
goto End;
}
if (stage)
{
ret = Send_To_USB_DMA_USB(USB_RW_Buffer_PTR_A,USBDMA_CHANNEL1,1);
for(num=0;num<ulTimeout;num++)
{
if(R_USB_Suspend == 1)
break;
else
{
if ((*P_USBD_EPEvent & 0x0100) != 0)
ret = 0xffff;
else
{
ret = 0;
*P_USBD_EPEvent=0x0600;
break;
}
}
}
if(num == ulTimeout)
{
Sense_Code=0x12;
ret = 0xffff;
return ret;
}
}
ret = Send_To_USB_DMA_USB(USB_RW_Buffer_PTR_A,USBDMA_CHANNEL1,0);
if (ret != 0x00)
{
ret = 0xffff;
Sense_Code = 0x12;
goto End;
}
stage=1;
//for last data
if (i == SCSI_Transfer_Length-1)
{
ret = Send_To_USB_DMA_USB(USB_RW_Buffer_PTR_A,USBDMA_CHANNEL1,1);
if (ret != 0x00)
{
ret = 0xffff;
Sense_Code = 0x12;
goto End;
}
for(num=0;num<ulTimeout;num++)
{
if(R_USB_Suspend == 1)
break;
else
{
if ((*P_USBD_EPEvent & 0x0100) != 0)
ret = 0xffff;
else
{
ret = 0;
*P_USBD_EPEvent=0x0600;
break;
}
}
}
if(num == ulTimeout)
{
ret = 0xffff;
Sense_Code = 0x12;
goto End;
}
}
USB_RW_Buffer_PTR_Temp = USB_RW_Buffer_PTR_B;
USB_RW_Buffer_PTR_B = USB_RW_Buffer_PTR_A;
USB_RW_Buffer_PTR_A = USB_RW_Buffer_PTR_Temp;
}//for
if(ret != 0x00)
{
CSW_Residue=SCSI_Transfer_Length-i;
CSW_Residue=CSW_Residue << 9;
}
else
CSW_Residue=0;
#endif
}
else //Nand Drive
{
#ifdef Nand_Used
if ((SCSI_LBA + SCSI_Transfer_Length)>ptr_USB_LUN_Read->ulNandSizeSec) //check read address overflow
{
Sense_Code = 0x1B;
ret = 1;
goto End;
}
if(ptr_USB_LUN_Read->unLunType == LunType_CDROM) //CDROM, do not modify below CDROM code
{
SCSI_LBA ++;
SCSI_LBA = SCSI_LBA << 2; //1 sector = 4 *512
SCSI_LBA += ptr_USB_LUN_Read->ulNandStartAddr;
SCSI_Transfer_Length = SCSI_Transfer_Length << 2; //length *4
}
else
SCSI_LBA += ptr_USB_LUN_Read->ulNandStartAddr;
for(i=0 ; i < SCSI_Transfer_Length ; i++)
{
ret = _NAND_ReadSector_USB((unsigned long)(SCSI_LBA+i), 1, (unsigned long)USB_RW_Buffer_PTR_A, USBDMA_CHANNEL2);
if (stage)
{
TXToUSB_USB(USB_RW_Buffer_PTR_A, 0x01, USBDMA_CHANNEL1, 0x01);
ulTimeout = 0x4FFFF;
while((*P_USBD_EPEvent & 0x0100) != 0)
{
if (!(ulTimeout--))
{
*P_USBD_EPEvent=0x0600;
Sense_Code = 0x12;
ret = 1;
goto End;
}
}
*P_USBD_EPEvent=0x0600;
}
TXToUSB_USB(USB_RW_Buffer_PTR_A, 0x01, USBDMA_CHANNEL1, 0x00);
stage=1;
if (i == SCSI_Transfer_Length-1)
{
TXToUSB_USB(USB_RW_Buffer_PTR_A, 0x01, USBDMA_CHANNEL1, 0x01);
ulTimeout = 0x4FFFF;
while((*P_USBD_EPEvent & 0x0100) != 0)
{
if (!(ulTimeout--))
{
*P_USBD_EPEvent=0x0600;
Sense_Code = 0x12;
ret = 1;
goto End;
}
}
*P_USBD_EPEvent=0x0600;
}
USB_RW_Buffer_PTR_Temp = USB_RW_Buffer_PTR_B;
USB_RW_Buffer_PTR_B = USB_RW_Buffer_PTR_A;
USB_RW_Buffer_PTR_A = USB_RW_Buffer_PTR_Temp;
}
CSW_Residue=0x00;
#endif
}
End:
#ifdef OS_vension
FreeChannel(USBDMA_CHANNEL0);
FreeChannel(USBDMA_CHANNEL1);
FreeChannel(USBDMA_CHANNEL2);
FreeChannel(USBDMA_CHANNEL3);
#endif
return ret;
}
//unsigned int ModeSense6_CallBack(void)
//{
// return 0;
//
//////////////////////////////////////////////////////////////
INT32S Read_10(str_USB_Lun_Info* lUSB_LUN_Read)
{
INT16U i=0,j=0,stage =0;
INT32S ret;
INT32U SCSI_LBA,SCSI_Transfer_Length;
INT32U AB_Counts,Ren_Sectors;
INT16U* USB_RW_Buffer_PTR_A;
INT16U* USB_RW_Buffer_PTR_B;
INT16U* USB_RW_Buffer_PTR_Temp;
//Checking curent LUN
if (usbd_current_lun != lUSB_LUN_Read->unLunNum)
{
if (usbd_msdc_lun_change(lUSB_LUN_Read))
{
//DBG_PRINT("LUN FAIL\r\n");
Sense_Code = 0x1B;
return -1;
}
usbd_current_lun = lUSB_LUN_Read->unLunNum;
}
stage =0;
SCSI_LBA=GetLBA();
SCSI_Transfer_Length=GetTransLeng();
USB_RW_Buffer_PTR_A=(INT16U*) BUF ;
USB_RW_Buffer_PTR_B=USB_RW_Buffer_PTR_A+ (256*READWRITE_SECTOR);
if(SCSI_LBA == 0x3ffd)
SCSI_LBA= 0x3ffd;
//DBG_PRINT("READ LBA = %x ,len = %x\r\n",SCSI_LBA,SCSI_Transfer_Length);
if ((SCSI_LBA + SCSI_Transfer_Length)>lUSB_LUN_Read->ulSecSize)
{
Sense_Code = 0x1B;
return -1;
}
AB_Counts = SCSI_Transfer_Length / READWRITE_SECTOR;
Ren_Sectors = SCSI_Transfer_Length % READWRITE_SECTOR;
// #if CDNF_EN|CDSPI_EN //add by erichan 20091031 for nandcdrom
/* #if CDNF_EN //add by erichan 20091031 for nandcdrom
if(lUSB_LUN_Read->unLunType == LUNTYPE_CDROM_NF)
// if((lUSB_LUN_Read->unLunType == LUNTYPE_CDROM_NF)||(lUSB_LUN_Read->unLunType == LUNTYPE_CDROM_SPI)) //CDROM, do not modify below CDROM code
{
SCSI_LBA ++;
SCSI_LBA = SCSI_LBA << 2; //1 sector = 4 *512
AB_Counts = AB_Counts <<2;
}
#endif
*/
//ret = UsbReadWrite[lUSB_LUN_Read->unLunType]->usdc_read_cmd_phase(SCSI_LBA,SCSI_Transfer_Length); del by erichan
ret = UsbReadWrite[lUSB_LUN_Read->unLunType]->usdc_read_cmd_phase(SCSI_LBA,SCSI_Transfer_Length);
if(ret != 0)
{
//DBG_PRINT("e1\r\n");
CSW_Residue=SCSI_Transfer_Length;
CSW_Residue=CSW_Residue << 9;
Sense_Code=0x12;
return -1;
}
for(i=0 ; i < AB_Counts ; i++)
{
if (i == 0)
ret = UsbReadWrite[lUSB_LUN_Read->unLunType]->usdc_read_dma_phase((INT32U*)USB_RW_Buffer_PTR_A,1,READWRITE_SECTOR);
else
ret = UsbReadWrite[lUSB_LUN_Read->unLunType]->usdc_read_dma_phase((INT32U*)USB_RW_Buffer_PTR_A,0,READWRITE_SECTOR);
//if(ret != 0) { DBG_PRINT("e5 %x \r\n",i);break; }
if (ret != 0) break;
if (i != 0)
ret = UsbReadWrite[lUSB_LUN_Read->unLunType]->usdc_read_dma_phase(NULL,2,READWRITE_SECTOR); //wait and check storage DMA
if (stage)
{
ret = Send_To_USB_DMA_USB((INT32U*)USB_RW_Buffer_PTR_A,READWRITE_SECTOR,1);
//Check if timeout
//if(ret != 0) { DBG_PRINT("e1\r\n");break; }
if(ret != 0) break;
}
//if(ret != 0) { DBG_PRINT("e2\r\n");break; }
if(ret != 0) break;
//if (i == AB_Counts-1)
// UsbReadWrite[lUSB_LUN_Read->unLunType]->usdc_read_cmdend_phase();//Storage end
ret = Send_To_USB_DMA_USB((INT32U*)USB_RW_Buffer_PTR_A,READWRITE_SECTOR,0);
//if(ret != 0) { DBG_PRINT("e3\r\n");break; }
if(ret != 0) break;
stage=1;
//for last data
if (i == AB_Counts-1)
{
ret = Send_To_USB_DMA_USB((INT32U*)USB_RW_Buffer_PTR_A,READWRITE_SECTOR,1);
//if(ret != 0) { DBG_PRINT("e4\r\n");break; }
if(ret != 0) break;
}
USB_RW_Buffer_PTR_Temp = USB_RW_Buffer_PTR_B;
USB_RW_Buffer_PTR_B = USB_RW_Buffer_PTR_A;
USB_RW_Buffer_PTR_A = USB_RW_Buffer_PTR_Temp;
}//end for
if( (ret == 0x00) && (Ren_Sectors> 0))
{
for(j=0 ; j < Ren_Sectors ; j++)
{
if (j == 0)
ret = UsbReadWrite[lUSB_LUN_Read->unLunType]->usdc_read_dma_phase((INT32U*)USB_RW_Buffer_PTR_A,1,1);
else
ret = UsbReadWrite[lUSB_LUN_Read->unLunType]->usdc_read_dma_phase((INT32U*)USB_RW_Buffer_PTR_A,0,1);
//if(ret != 0) { DBG_PRINT("e5 %x \r\n",i);break; }
if (ret != 0) break;
if (j != 0)
ret = UsbReadWrite[lUSB_LUN_Read->unLunType]->usdc_read_dma_phase(NULL,2,1); //wait and check storage DMA
if (stage)
{
ret = Send_To_USB_DMA_USB((INT32U*)USB_RW_Buffer_PTR_A,1,1);
//Check if timeout
//if(ret != 0) { DBG_PRINT("e1\r\n");break; }
if(ret != 0) break;
}
//if(ret != 0) { DBG_PRINT("e2\r\n");break; }
if(ret != 0) break;
ret = Send_To_USB_DMA_USB((INT32U*)USB_RW_Buffer_PTR_A,1,0);
//if(ret != 0) { DBG_PRINT("e3\r\n");break; }
if(ret != 0) break;
stage=1;
//for last data
if (j == Ren_Sectors-1)
{
ret = Send_To_USB_DMA_USB((INT32U*)USB_RW_Buffer_PTR_A,1,1);
//if(ret != 0) { DBG_PRINT("e4\r\n");break; }
if(ret != 0) break;
}
USB_RW_Buffer_PTR_Temp = USB_RW_Buffer_PTR_B;
USB_RW_Buffer_PTR_B = USB_RW_Buffer_PTR_A;
USB_RW_Buffer_PTR_A = USB_RW_Buffer_PTR_Temp;
}//end for
}
UsbReadWrite[lUSB_LUN_Read->unLunType]->usdc_read_cmdend_phase();//Storage end
if(ret != 0x00)
{
//DBG_PRINT("READ10 %x %x Fail!\r\n",i,SCSI_Transfer_Length);
CSW_Residue=SCSI_Transfer_Length-(i*READWRITE_SECTOR)-j;
CSW_Residue=CSW_Residue << 9;
Sense_Code = 0x12;
#if (MCU_VERSION == GPL32_B)
if usbd_check_bi_dma()
{
USBRWError_Flag = 0xfefe;
return 1;
}
#endif
}