diff options
Diffstat (limited to 'Demos/Device/ClassDriver/MassStorageKeyboard')
3 files changed, 9 insertions, 10 deletions
diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h index c5d1264b7..248fa328c 100644 --- a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h +++ b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h @@ -61,7 +61,13 @@ #define VIRTUAL_MEMORY_BLOCK_SIZE 512 /** Total number of blocks of the virtual memory for reporting to the host as the device's total capacity. */ - #define VIRTUAL_MEMORY_BLOCKS (VIRTUAL_MEMORY_BYTES / VIRTUAL_MEMORY_BLOCK_SIZE) + #define VIRTUAL_MEMORY_BLOCKS (VIRTUAL_MEMORY_BYTES / VIRTUAL_MEMORY_BLOCK_SIZE) + + /** Total number of logical drives within the device - must be non-zero. */ + #define TOTAL_LUNS 1 + + /** Blocks in each LUN, calculated from the total capacity divided by the total number of Logical Units in the device. */ + #define LUN_MEDIA_BLOCKS (VIRTUAL_MEMORY_BLOCKS / TOTAL_LUNS) /* Function Prototypes: */ void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* MSInterfaceInfo, const uint32_t BlockAddress, diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c index e4bf4d602..15955a772 100644 --- a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c +++ b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c @@ -148,8 +148,7 @@ bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* MSInterfaceInfo) */ static bool SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* MSInterfaceInfo) { - uint16_t AllocationLength = (((uint16_t)MSInterfaceInfo->State.CommandBlock.SCSICommandData[3] << 8) | - MSInterfaceInfo->State.CommandBlock.SCSICommandData[4]); + uint16_t AllocationLength = SwapEndian_16(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[3]); uint16_t BytesTransferred = (AllocationLength < sizeof(InquiryData))? AllocationLength : sizeof(InquiryData); @@ -310,7 +309,7 @@ static bool SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* MSInterfaceInfo 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]); + TotalBlocks = SwapEndian_16(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[7]); /* Check if the block address is outside the maximum allowable value for the LUN */ if (BlockAddress >= LUN_MEDIA_BLOCKS) diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/MassStorageKeyboard.h b/Demos/Device/ClassDriver/MassStorageKeyboard/MassStorageKeyboard.h index 4b3ecc471..a6a16d105 100644 --- a/Demos/Device/ClassDriver/MassStorageKeyboard/MassStorageKeyboard.h +++ b/Demos/Device/ClassDriver/MassStorageKeyboard/MassStorageKeyboard.h @@ -75,12 +75,6 @@ /** LED mask for the library LED driver, to indicate that the USB interface is busy. */ #define LEDMASK_USB_BUSY LEDS_LED2 - /** Total number of logical drives within the device - must be non-zero. */ - #define TOTAL_LUNS 1 - - /** Blocks in each LUN, calculated from the total capacity divided by the total number of Logical Units in the device. */ - #define LUN_MEDIA_BLOCKS (VIRTUAL_MEMORY_BLOCKS / TOTAL_LUNS) - /* Function Prototypes: */ void SetupHardware(void); |