Add the formula used to obtain the bootloader start address to the Bootloader makefil...

[pub/USBasp.git] / Demos / Device / LowLevel / MassStorage / Lib / SCSI.c

diff --git a/Demos/Device/LowLevel/MassStorage/Lib/SCSI.c b/Demos/Device/LowLevel/MassStorage/Lib/SCSI.c
index 05c9265..4d2323e 100644 (file)
--- a/Demos/Device/LowLevel/MassStorage/Lib/SCSI.c
+++ b/Demos/Device/LowLevel/MassStorage/Lib/SCSI.c
@@ -245,21 +245,15 @@ static void SCSI_Command_Send_Diagnostic(void)
 }
 
 /** Command processing for an issued SCSI READ (10) or WRITE (10) command. This command reads in the block start address
- *  and total number of blocks to process, then calls the appropriate low-level dataflash routine to handle the actual
+ *  and total number of blocks to process, then calls the appropriate low-level Dataflash routine to handle the actual
  *  reading and writing of the data.
  *
  *  \param[in] IsDataRead  Indicates if the command is a READ (10) command or WRITE (10) command (DATA_READ or DATA_WRITE)
  */
 static void SCSI_Command_ReadWrite_10(const bool IsDataRead)
 {
-       uint32_t BlockAddress;
-       uint16_t TotalBlocks;
-       
-       /* Load in the 32-bit block address (SCSI uses big-endian, so have to reverse the byte order) */
-       BlockAddress = SwapEndian_32(*(uint32_t*)&CommandBlock.SCSICommandData[2]);
-
-       /* Load in the 16-bit total blocks (SCSI uses big-endian, so have to reverse the byte order) */
-       TotalBlocks  = SwapEndian_16(*(uint16_t*)&CommandBlock.SCSICommandData[7]);
+       uint32_t BlockAddress = SwapEndian_32(*(uint32_t*)&CommandBlock.SCSICommandData[2]);
+       uint16_t TotalBlocks  = SwapEndian_16(*(uint16_t*)&CommandBlock.SCSICommandData[7]);
 
        /* Check if the block address is outside the maximum allowable value for the LUN */
        if (BlockAddress >= LUN_MEDIA_BLOCKS)