?? upsd3400_usb_app.lst
字號:
606 1 USB_FIFO[31] = ' ';
607 1
608 1 USB_FIFO[32] = '1'; //Product Revision Level
609 1 USB_FIFO[33] = '0';
610 1 USB_FIFO[34] = '0';
611 1 USB_FIFO[35] = '1';
612 1
613 1 USIZE = 36;
C51 COMPILER V7.50 UPSD3400_USB_APP 09/13/2005 18:00:20 PAGE 11
614 1
615 1 #else //DK3420
USB_FIFO[ 8] = 'S'; //Vendor Information
USB_FIFO[ 9] = 'T';
USB_FIFO[10] = ' ';
USB_FIFO[11] = ' ';
USB_FIFO[12] = ' ';
USB_FIFO[13] = ' ';
USB_FIFO[14] = ' ';
USB_FIFO[15] = ' ';
USB_FIFO[16] = 'D'; //Product Identification
USB_FIFO[17] = 'K';
USB_FIFO[18] = '3';
USB_FIFO[19] = '4';
USB_FIFO[20] = '2';
USB_FIFO[21] = '0';
USB_FIFO[22] = ' ';
USB_FIFO[23] = 'D';
USB_FIFO[24] = 'e';
USB_FIFO[25] = 'm';
USB_FIFO[26] = 'o';
USB_FIFO[27] = ' ';
USB_FIFO[28] = ' ';
USB_FIFO[29] = ' ';
USB_FIFO[30] = ' ';
USB_FIFO[31] = ' ';
USB_FIFO[32] = '1'; //Product Revision Level
USB_FIFO[33] = '0';
USB_FIFO[34] = '0';
USB_FIFO[35] = '1';
USIZE = 36;
#endif
649 1
650 1 gbBulkPipeStage = BS_CSW_PHASE;
651 1 }
652
653 void OnModeSelect6(void)
654 /******************************************************************************
655 Function : void OnModeSelect6()
656 Parameters : (void)
657 Description: The MODE SELECT(6) command provides a means for
658 an initiator to specify device parameters to a RBC device.
659 RBC devices shall also implement the MODE SENSE(6) command.
660 ******************************************************************************/
661 {
662 1 gbCSWStatus = FAIL;
663 1 ReturnCSW(); // return status
664 1 }
665
666 void OnModeSense6(void)
667 /******************************************************************************
668 Function : void OnModeSense6()
669 Parameters : none
670 Description: Handler for ModeSense6 command
671 The MODE SENSE(6) command provides a means for a device server
672 to report parameters to an application client.
673 It is a complementary command to the MODE SELECT(6) command.
674 Device servers that implement the MODE SENSE(6) command
675 shall also implement the MODE SELECT(6) command.
C51 COMPILER V7.50 UPSD3400_USB_APP 09/13/2005 18:00:20 PAGE 12
676 ******************************************************************************/
677 {
678 1 USEL = INDIR | UMSC_IN_ENDPOINT; //Select EP1 IN
679 1
680 1 USB_FIFO[ 0] = 0x03;
681 1 USB_FIFO[ 1] = 0x00;
682 1 USB_FIFO[ 2] = 0x00;
683 1 USB_FIFO[ 3] = 0x00;
684 1
685 1 USIZE = 4;
686 1
687 1 gbBulkPipeStage = BS_CSW_PHASE;
688 1 }
689
690 void OnModeSelect10(void)
691 /******************************************************************************
692 Function : void OnModeSelect10()
693 Parameters : (void)
694 Description: The MODE SELECT(10) command provides a means for
695 the application client to specify medium,
696 logical unit, or peripheral device parameters to the device server.
697 Application clients should issue MODE SENSE(10) prior
698 to each MODE SELECT(10) to determine supported mode pages,
699 mode page lengths, and other parameters.
700 Device servers that implement the MODE SELECT(10) command shall
701 also implement the MODE SENSE(10) command.
702 ******************************************************************************/
703 {
704 1 gbCSWStatus = FAIL;
705 1 ReturnCSW(); // return status
706 1 }
707
708 void OnModeSense10(void)
709 /******************************************************************************
710 Function : void OnModeSense10()
711 Parameters : none
712 Description: Handler for ModeSense10 command
713 ******************************************************************************/
714 {
715 1 USEL = INDIR | UMSC_IN_ENDPOINT; //Select EP1 IN
716 1
717 1 USB_FIFO[ 0] = 0x00;
718 1 USB_FIFO[ 1] = 0x06;
719 1 USB_FIFO[ 2] = 0x00;
720 1 USB_FIFO[ 3] = 0x00;
721 1 USB_FIFO[ 4] = 0x00;
722 1 USB_FIFO[ 5] = 0x00;
723 1 USB_FIFO[ 6] = 0x00;
724 1 USB_FIFO[ 7] = 0x00;
725 1
726 1 USIZE = 8;
727 1
728 1 gbBulkPipeStage = BS_CSW_PHASE;
729 1 }
730
731 void DoReadCapacity(void)
732 /*--------------------------------------------------------------------
733 Function : void DoReadCapacity()
734 Parameters : none
735 Description: Handler for ReadCapacity command
736 This routine returns real capacity of the device-1
737 ---------------------------------------------------------------------*/
C51 COMPILER V7.50 UPSD3400_USB_APP 09/13/2005 18:00:20 PAGE 13
738 {
739 1 USEL = INDIR | UMSC_IN_ENDPOINT; //Select EP1 IN
740 1
741 1 USB_FIFO[ 0] = 0x00; //Last logical block
742 1 USB_FIFO[ 1] = 0x00;
743 1 USB_FIFO[ 2] = 0x01;
744 1 USB_FIFO[ 3] = 0xBF; //7*32768B
745 1
746 1 USB_FIFO[ 4] = 0x00; //block length
747 1 USB_FIFO[ 5] = 0x00;
748 1 USB_FIFO[ 6] = 0x02; //512B
749 1 USB_FIFO[ 7] = 0x00;
750 1
751 1 USIZE = 8;
752 1
753 1 gbBulkPipeStage = BS_CSW_PHASE;
754 1 }
755
756 void DoReadFormatCapacity(void)
757 /*--------------------------------------------------------------------
758 Function : void DoReadFormatCapacity()
759 Parameters : none
760 Description: Handler for ReadFormatCapacity command
761 ---------------------------------------------------------------------*/
762 {
763 1 USEL = INDIR | UMSC_IN_ENDPOINT; //Select EP1 IN
764 1
765 1 USB_FIFO[ 0] = 0x00;
766 1 USB_FIFO[ 1] = 0x00;
767 1 USB_FIFO[ 2] = 0x00;
768 1 USB_FIFO[ 3] = 0x08; //capacity list length
769 1
770 1 /* The following values are used during disk format */
771 1 USB_FIFO[ 4] = 0x00; //block count
772 1 USB_FIFO[ 5] = 0x00;
773 1 USB_FIFO[ 6] = 0x01;
774 1 USB_FIFO[ 7] = 0xBB;
775 1 USB_FIFO[ 8] = 0x00; //block length
776 1 USB_FIFO[ 9] = 0x00;
777 1 USB_FIFO[10] = 0x02; //512B
778 1 USB_FIFO[11] = 0x00;
779 1
780 1 USIZE = 12;
781 1
782 1 gbBulkPipeStage = BS_CSW_PHASE;
783 1 }
784
785 void CheckReceiveCBW(void)
786 /******************************************************************************
787 Function : void CheckReceiveCBW()
788 Parameters : none
789 Description: Handle CBW package.
790 Command Block Wrapper (CBW) shall start on a packet boundary
791 and shall end as a short packet with exactly 31 (1Fh)
792 bytes transferred. Fields appear aligned to byte offsets equal to
793 a multiple of their byte size. All subsequent data and the CSW
794 shall start at a new packet boundary.
795 All CBW transfers shall be ordered with the LSB (byte 0) first
796 (little endian).
797 ******************************************************************************/
798 {
799 1 data unsigned char i; // FOR variable
C51 COMPILER V7.50 UPSD3400_USB_APP 09/13/2005 18:00:20 PAGE 14
800 1
801 1 USEL = OUTDIR | UMSC_OUT_ENDPOINT; // Select EP OUT
802 1
803 1 /* dCBWSignature:
804 1 Signature that helps identify this data packet as a CBW. The signature field
805 1 shall contain the value 43425355h (little endian), indicating a CBW.*/
806 1 if((USB_FIFO[0]==0x55) && (USB_FIFO[1]==0x53) &&
807 1 (USB_FIFO[2]==0x42) && (USB_FIFO[3]==0x43))
808 1 {
809 2 /* dCBWTag:
810 2 A Command Block Tag sent by the host. The device shall echo the contents of
811 2 this field back to the host in the dCSWTag field of the associated CSW. The
812 2 dCSWTag positively associates a CSW with the corresponding CBW.*/
813 2 *((uchar *)&gdwCBWTag+3) = USB_FIFO[4]; // LSB first
814 2 *((uchar *)&gdwCBWTag+2) = USB_FIFO[5];
815 2 *((uchar *)&gdwCBWTag+1) = USB_FIFO[6];
816 2 *((uchar *)&gdwCBWTag+0) = USB_FIFO[7];
817 2 /* dCBWDataTransferLength:
818 2 The number of bytes of data that the host expects to transfer on the Bulk-In
819 2 or Bulk-Out endpoint (as indicated by the Direction bit) during the execution
820 2 of this command. If this field is zero, the device and the host shall transfer
821 2 no data between the CBW and the associated CSW, and the device shall ignore
822 2 the value of the Direction bit in bmCBWFlags.*/
823 2 *((uchar *)&gdwCBWDataTransferLength+3) = USB_FIFO[ 8]; // LSB first
824 2 *((uchar *)&gdwCBWDataTransferLength+2) = USB_FIFO[ 9];
825 2 *((uchar *)&gdwCBWDataTransferLength+1) = USB_FIFO[10];
826 2 *((uchar *)&gdwCBWDataTransferLength+0) = USB_FIFO[11];
827 2 /* bmCBWFlags:
828 2 The bits of this field are defined as follows:
829 2 Bit 7 Direction - the device shall ignore this bit if the dCBWDataTransferLength
830 2 field is zero, otherwise:
831 2 0 = Data-Out from host to the device, 1 = Data-In from the device to the host.
832 2 Bit 6 Obsolete. The host shall set this bit to zero.
833 2 Bits 5..0 Reserved - the host shall set these bits to zero.*/
834 2 gbCBWFlags = USB_FIFO[12];
835 2 /* bCBWLUN:
836 2 The device Logical Unit Number (LUN) to which the command block is being sent.
837 2 For devices that support multiple LUNs, the host shall place into this field
838 2 the LUN to which this command block is addressed. Otherwise, the host shall
839 2 set this field to zero. */
840 2 gbCBWLUN = USB_FIFO[13];
841 2 /* bCBWCBLength:
842 2 The valid length of the CBWCB in bytes. This defines the valid length of the
843 2 command block. The only legal values are 1 through 16 (01h through 10h). All
844 2 other values are reserved. */
845 2 gbCBWCBLength = USB_FIFO[14];
846 2
847 2 if (gbCBWCBLength>16)
848 2 {
849 3 gbCBWCBLength = 16;
850 3 }
851 2 /* CBWCB:
852 2 The command block to be executed by the device. The device shall interpret
853 2 the first bCBWCBLength bytes in this field as a command block as defined by
854 2 the command set identified by bInterfaceSubClass. If the command set supported
855 2 by the device uses command blocks of fewer than 16 (10h) bytes in
856 2 length, the significant bytes shall be transferred first, beginning with the
857 2 byte at offset 15 (Fh). The device shall ignore the content of the CBWCB field
858 2 past the byte at offset (15 + bCBWCBLength - 1).
859 2 */
860 2 for(i = 0; i<gbCBWCBLength; i++)
861 2 {
C51 COMPILER V7.50 UPSD3400_USB_APP 09/13/2005 18:00:20 PAGE 15
862 3 gbCBWCB[i] = USB_FIFO[15+i];
863 3 }
864 2
865 2 UCON |= EPFIFO_BSY;
866 2
867 2
868 2
869 2 gbCSWStatus = PASS; // default CSW Status
870 2 gbBulkPipeStage = BS_DATA_PHASE;
871 2
872 2 if (gbCBWCBLength>0)
873 2 {
874 3 /* Now decode the CBWCB; the command block to be executed by the device. */
875 3 switch (gbCBWCB[0])
876 3 {
877 4 case OP_READ10:
878 4 {
879 5 DoReadWrite();
880 5 break;
881 5 }
882 4
883 4 case OP_WRITE10:
884 4 {
885 5 DoReadWrite();
886 5 break;
887 5 }
888 4
889 4 case OP_TEST_UNIT_READY:
890 4 {
891 5 /* This is called by WinXP typ. every 1 second to check the unit */
892 5 /* default: all OK */
893 5 ReturnCSW(); // return status
894 5 break;
895 5 }
896 4
897 4 case OP_REQUEST_SENSE:
898 4 {
899 5 OnRequestSense();
900 5 break;
901 5 }
902 4
903 4 case OP_INQUIRY:
904 4 {
905 5 OnInquiry();
906 5 break;
907 5 }
908 4
909 4 case OP_MODE_SENSE10:
910 4 {
911 5 OnModeSense10();
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