?? hpi32.lst
字號:
677 1 return FALSE;
678 1 if((len+32)>DeviceInfo.BPB_BytesPerSec)
679 1 return FALSE;
680 1
681 1 ThisFile.bFileOpen=0;
682 1 ThisFile.FatSectorPointer=0;
683 1
684 1 cnum=GetFreeCusterNum32();
685 1 if(cnum<0x02)
686 1 return FALSE;
687 1
688 1 pBuffer[11]=0x10;
689 1 pBuffer[21]=(unsigned char)(cnum>>24);
690 1 pBuffer[20]=(unsigned char)(cnum>>16);
691 1 pBuffer[27]=(unsigned char)(cnum>>8);
692 1 pBuffer[26]=(unsigned char)(cnum);
693 1 pBuffer[28]=0;pBuffer[29]=0;pBuffer[30]=0;pBuffer[31]=0;
694 1 bstop=0;
695 1
696 1 NowCluster32=DirStartCluster32;
697 1 do
698 1 {
699 2 NowSector=FirstSectorofCluster32(NowCluster32);
700 2 ClusterPointer=NowCluster32;
701 2 for(sector=0;sector<DeviceInfo.BPB_SecPerClus;sector++)
702 2 {
703 3 if(!RBC_Read(NowSector+sector,1,DBUF))
704 3 return FALSE;
705 3 DirCount=0;bwrite=0;
706 3 for(i=0;i<DeviceInfo.BPB_BytesPerSec;i=i+32)
707 3 {
708 4 if(len==0)
709 4 {
710 5 if((DBUF[i]==0x00)||(DBUF[i]==0xE5))
711 5 {
712 6 for(j=0;j<32;j++)
713 6 DBUF[i+j]=*(pBuffer+j);
714 6 if(!RBC_Write(NowSector+sector,1,DBUF))
715 6 return FALSE;
716 6 bstop=1;
717 6 break;
718 6 }
719 5 }
720 4 else
721 4 {
722 5 if(DirCount==0)
723 5 InByte=i;
724 5 if(DBUF[i]==0xE5)
725 5 DirCount++;
726 5 else if(DBUF[i]==0x00)
727 5 {
728 6 DirCount++;
729 6 DBUF[i]=0xE5;
730 6 bwrite=1;
731 6 }
732 5 else
733 5 DirCount=0;
734 5
735 5 if((DirCount*32)>=(len+32))
736 5 {
C51 COMPILER V7.06 HPI32 08/10/2005 23:36:35 PAGE 13
737 6 for(j=0;j<len;j++)
738 6 DBUF[InByte+j]=*(pName+j);
739 6 for(j=0;j<32;j++)
740 6 DBUF[InByte+len+j]=*(pBuffer+j);
741 6 if(!RBC_Write(NowSector+sector,1,DBUF))
742 6 return FALSE;
743 6 bstop=1;
744 6 break;
745 6 }
746 5 }
747 4 }
748 3 if(bstop==1)break;
749 3 if((len!=0)&&(bwrite==1))
750 3 {
751 4 if(!RBC_Write(NowSector+sector,1,DBUF))
752 4 return FALSE;
753 4 }
754 3 }
755 2 if(bstop==1)break;
756 2
757 2 NowCluster32=GetNextClusterNum32(NowCluster32);
758 2 if(NowCluster32>DeviceInfo.TotCluster)
759 2 {
760 3 NowCluster32=CreateClusterLink32(ClusterPointer);
761 3 if(NowCluster32==0x00)
762 3 return FALSE;
763 3 NowSector=FirstSectorofCluster32(NowCluster32);
764 3 for(i=0;i<DeviceInfo.BPB_BytesPerSec;i++) DBUF[i]=0x00;
765 3 for(sector=0;sector<DeviceInfo.BPB_SecPerClus;sector++)
766 3 {
767 4 if(!RBC_Write(NowSector+sector,1,DBUF))
768 4 return FALSE;
769 4 }
770 3 }
771 2 }while(NowCluster32<=DeviceInfo.TotCluster);
772 1
773 1 if(NowCluster32>DeviceInfo.TotCluster)
774 1 return FALSE;
775 1 ////////////////////////////////////////////////////////////////
776 1 for(i=64;i<DeviceInfo.BPB_BytesPerSec;i++) DBUF[i]=0x00;
777 1
778 1 for(i=0;i<43;i++) DBUF[i]=0x20;
779 1
780 1 DBUF[0]=0x2e;
781 1 for(i=11;i<32;i++) DBUF[i]=pBuffer[i];
782 1
783 1 DBUF[32]=0x2e;DBUF[33]=0x2e;
784 1 for(i=43;i<64;i++) DBUF[i]=pBuffer[i-32];
785 1
786 1 if(DirStartCluster32==DeviceInfo.RootStartCluster) //Root Dir
787 1 {
788 2 DBUF[53]=0;DBUF[52]=0;DBUF[59]=0;DBUF[58]=0;
789 2 }
790 1 else
791 1 {
792 2 DBUF[53]=(unsigned char)(DirStartCluster32>>24);
793 2 DBUF[52]=(unsigned char)(DirStartCluster32>>16);
794 2 DBUF[59]=(unsigned char)(DirStartCluster32>>8);
795 2 DBUF[58]=(unsigned char)(DirStartCluster32);
796 2 }
797 1
798 1 NowSector=FirstSectorofCluster32(cnum);
C51 COMPILER V7.06 HPI32 08/10/2005 23:36:35 PAGE 14
799 1 if(!RBC_Write(NowSector,1,DBUF))
800 1 return FALSE;
801 1
802 1 DirStartCluster32=cnum;
803 1 // ThisFile.ClusterPointer=DirStartCluster32;
804 1 ThisFile.ClusterPointer=0;
805 1 return TRUE;
806 1 }
807
808 unsigned char DownDir32(unsigned char *pBuffer)
809 {
810 1 unsigned int i;
811 1 unsigned char j,bstop,sector;
812 1
813 1 if(!bFlags.bits.SLAVE_IS_ATTACHED)
814 1 return FALSE;
815 1
816 1 ThisFile.bFileOpen=0;
817 1 bstop=0;
818 1
819 1 NowCluster32=DirStartCluster32;
820 1 do
821 1 {
822 2 NowSector=FirstSectorofCluster32(NowCluster32);
823 2 for(sector=0;sector<DeviceInfo.BPB_SecPerClus;sector++)
824 2 {
825 3 if(!RBC_Read(NowSector+sector,1,DBUF))
826 3 return FALSE;
827 3 for(i=0;i<DeviceInfo.BPB_BytesPerSec;i=i+32)
828 3 {
829 4 if(DBUF[i]==0x00)
830 4 return FALSE;
831 4 j=0;
832 4 while(DBUF[i+j]==*(pBuffer+j))
833 4 {
834 5 j=j+1;
835 5 if(j>10)
836 5 break;
837 5 }
838 4 if(j>10&&(DBUF[i+11]&0x10))
839 4 {bstop=1;break;}
840 4 }
841 3 if(bstop==1)break;
842 3 }
843 2 if(bstop==1)break;
844 2 NowCluster32=GetNextClusterNum32(NowCluster32);
845 2 }while(NowCluster32<=DeviceInfo.TotCluster);
846 1
847 1 if(NowCluster32>DeviceInfo.TotCluster)
848 1 return FALSE;
849 1
850 1 DirStartCluster32=LSwapINT32(DBUF[i+26],DBUF[i+27],DBUF[i+20],DBUF[i+21]);
851 1 // ThisFile.ClusterPointer=DirStartCluster32;
852 1 ThisFile.ClusterPointer=0;
853 1 return TRUE;
854 1 }
855
856 unsigned char UpDir32()
857 {
858 1 if(!bFlags.bits.SLAVE_IS_ATTACHED)
859 1 return FALSE;
860 1 if(DirStartCluster32==DeviceInfo.RootStartCluster) //Root Dir
C51 COMPILER V7.06 HPI32 08/10/2005 23:36:35 PAGE 15
861 1 return TRUE;
862 1
863 1 ThisFile.bFileOpen=0;
864 1
865 1 NowSector=FirstSectorofCluster32(DirStartCluster32);
866 1 if(!RBC_Read(NowSector,1,DBUF))
867 1 return FALSE;
868 1 if(DBUF[32]!=0x2e&&DBUF[33]!=0x2e) //..
869 1 return FALSE;
870 1
871 1 DirStartCluster32=LSwapINT32(DBUF[58],DBUF[59],DBUF[52],DBUF[53]);
872 1 if(DirStartCluster32==0) //Root Dir
873 1 DirStartCluster32=DeviceInfo.RootStartCluster;
874 1 // ThisFile.ClusterPointer=DirStartCluster32;
875 1 ThisFile.ClusterPointer=0;
876 1 return TRUE;
877 1 }
878
879 unsigned char UpRootDir32()
880 {
881 1 if(!bFlags.bits.SLAVE_IS_ATTACHED)
882 1 return FALSE;
883 1
884 1 ThisFile.bFileOpen=0;
885 1 DirStartCluster32=DeviceInfo.RootStartCluster; //Root Dir
886 1
887 1 return TRUE;
888 1 }
889
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 8711 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = 8 6
PDATA SIZE = ---- ----
DATA SIZE = ---- 136
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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