Oops - ensure the SCSI transfer length is correct in the Mass Storage bootloader.

diff --git a/Bootloaders/MassStorage/Lib/SCSI.c b/Bootloaders/MassStorage/Lib/SCSI.c
index b23a5a0..eeb2c25 100644 (file)
--- a/Bootloaders/MassStorage/Lib/SCSI.c
+++ b/Bootloaders/MassStorage/Lib/SCSI.c
@@ -255,14 +255,12 @@ static bool SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* const MSInterfa
        }
 
        /* Determine if the packet is a READ (10) or WRITE (10) command, call appropriate function */
        }
 
        /* Determine if the packet is a READ (10) or WRITE (10) command, call appropriate function */

-       while (TotalBlocks--)
+       for (uint16_t i = 0; i < TotalBlocks; i++)

        {
                if (IsDataRead == DATA_READ)
        {
                if (IsDataRead == DATA_READ)

-                 VirtualFAT_ReadBlock(BlockAddress);
+                 VirtualFAT_ReadBlock(BlockAddress + i);

                else
                else

-                 VirtualFAT_WriteBlock(BlockAddress);
-
-               BlockAddress++;
+                 VirtualFAT_WriteBlock(BlockAddress + i);

        }
 
        /* Update the bytes transferred counter and succeed the command */
        }
 
        /* Update the bytes transferred counter and succeed the command */

diff --git a/Bootloaders/MassStorage/Lib/VirtualFAT.h b/Bootloaders/MassStorage/Lib/VirtualFAT.h
index 58f5723..d01f9be 100644 (file)
--- a/Bootloaders/MassStorage/Lib/VirtualFAT.h
+++ b/Bootloaders/MassStorage/Lib/VirtualFAT.h
@@ -139,15 +139,15 @@
                enum
                {
                        /** Boot sector disk block. */
                enum
                {
                        /** Boot sector disk block. */

-                       DISK_BLOCK_BootBlock        = 0,
+                       DISK_BLOCK_BootBlock          = 0,

                        /** First copy of the FAT table block. */
                        /** First copy of the FAT table block. */

-                       DISK_BLOCK_FATBlock1        = 1,
+                       DISK_BLOCK_FATBlock1          = 1,

                        /** Second copy of the FAT table block. */
                        /** Second copy of the FAT table block. */

-                       DISK_BLOCK_FATBlock2        = 2,
+                       DISK_BLOCK_FATBlock2          = 2,

                        /** Root file and directory entries block. */
                        /** Root file and directory entries block. */

-                       DISK_BLOCK_RootFilesBlock   = 3,
+                       DISK_BLOCK_RootFilesBlock     = 3,

                        /** Start block of the disk data section. */
                        /** Start block of the disk data section. */

-                       DISK_BLOCK_DataStartBlock   = 4,
+                       DISK_BLOCK_DataStartBlock     = 4,

                };
 
        /* Type Definitions: */
                };
 
        /* Type Definitions: */