X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/ac61b81a0b20b86a4865d5e2802f704ad1075541..83e293a6ec98c7faad1b76dd312b31b86cbeecc1:/Projects/TempDataLogger/Lib/SCSI.c diff --git a/Projects/TempDataLogger/Lib/SCSI.c b/Projects/TempDataLogger/Lib/SCSI.c index d499d9ac3..fb841e34b 100644 --- a/Projects/TempDataLogger/Lib/SCSI.c +++ b/Projects/TempDataLogger/Lib/SCSI.c @@ -138,8 +138,7 @@ bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) */ static void SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) { - uint16_t AllocationLength = (((uint16_t)MSInterfaceInfo->State.CommandBlock.SCSICommandData[3] << 8) | - MSInterfaceInfo->State.CommandBlock.SCSICommandData[4]); + uint16_t AllocationLength = SwapEndian_16(*(uint16_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[3]); uint16_t BytesTransferred = (AllocationLength < sizeof(InquiryData))? AllocationLength : sizeof(InquiryData); @@ -250,15 +249,9 @@ static void SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* const MSInte */ static void SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, 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*)&MSInterfaceInfo->State.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*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[7]); - + uint32_t BlockAddress = SwapEndian_32(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[2]); + uint16_t TotalBlocks = SwapEndian_16(*(uint16_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[7]); + /* Check if the block address is outside the maximum allowable value for the LUN */ if (BlockAddress >= VIRTUAL_MEMORY_BLOCKS) {