X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f555ad7ced743a19eb1eefaf5eaf536fcbe58d80..d4b45e8502a27c0f5ad3e26eabd2b30e84c20bac:/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 0400cc2c6..e96f86e21 100644
--- a/Demos/Device/LowLevel/MassStorage/Lib/SCSI.c
+++ b/Demos/Device/LowLevel/MassStorage/Lib/SCSI.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -41,7 +41,7 @@
 /** Structure to hold the SCSI response data to a SCSI INQUIRY command. This gives information about the device's
  *  features and capabilities.
  */
-SCSI_Inquiry_Response_t InquiryData =
+static const SCSI_Inquiry_Response_t InquiryData =
 	{
 		.DeviceType          = DEVICE_TYPE_BLOCK,
 		.PeripheralQualifier = 0,
@@ -73,7 +73,7 @@ SCSI_Inquiry_Response_t InquiryData =
 /** Structure to hold the sense data for the last issued SCSI command, which is returned to the host after a SCSI REQUEST SENSE
  *  command is issued. This gives information on exactly why the last command failed to complete.
  */
-SCSI_Request_Sense_Response_t SenseData =
+static SCSI_Request_Sense_Response_t SenseData =
 	{
 		.ResponseCode        = 0x70,
 		.AdditionalLength    = 0x0A,
@@ -150,8 +150,7 @@ bool SCSI_DecodeSCSICommand(void)
 static bool SCSI_Command_Inquiry(void)
 {
 	uint16_t AllocationLength  = SwapEndian_16(*(uint16_t*)&CommandBlock.SCSICommandData[3]);
-	uint16_t BytesTransferred  = (AllocationLength < sizeof(InquiryData))? AllocationLength :
-	                                                                       sizeof(InquiryData);
+	uint16_t BytesTransferred  = MIN(AllocationLength, sizeof(InquiryData));
 
 	/* Only the standard INQUIRY data is supported, check if any optional INQUIRY bits set */
 	if ((CommandBlock.SCSICommandData[1] & ((1 << 0) | (1 << 1))) ||
@@ -188,7 +187,7 @@ static bool SCSI_Command_Inquiry(void)
 static bool SCSI_Command_Request_Sense(void)
 {
 	uint8_t  AllocationLength = CommandBlock.SCSICommandData[4];
-	uint8_t  BytesTransferred = (AllocationLength < sizeof(SenseData))? AllocationLength : sizeof(SenseData);
+	uint8_t  BytesTransferred = MIN(AllocationLength, sizeof(SenseData));
 
 	/* Send the SENSE data - this indicates to the host the status of the last command */
 	Endpoint_Write_Stream_LE(&SenseData, BytesTransferred, NULL);
@@ -213,10 +212,10 @@ static bool SCSI_Command_Request_Sense(void)
 static bool SCSI_Command_Read_Capacity_10(void)
 {
 	/* Send the total number of logical blocks in the current LUN */
-	Endpoint_Write_DWord_BE(LUN_MEDIA_BLOCKS - 1);
+	Endpoint_Write_32_BE(LUN_MEDIA_BLOCKS - 1);
 
 	/* Send the logical block size of the device (must be 512 bytes) */
-	Endpoint_Write_DWord_BE(VIRTUAL_MEMORY_BLOCK_SIZE);
+	Endpoint_Write_32_BE(VIRTUAL_MEMORY_BLOCK_SIZE);
 
 	/* Check if the current command is being aborted by the host */
 	if (IsMassStoreReset)
@@ -288,12 +287,12 @@ static bool SCSI_Command_ReadWrite_10(const bool IsDataRead)
 		               SCSI_ASENSE_WRITE_PROTECTED,
 		               SCSI_ASENSEQ_NO_QUALIFIER);
 
-		return false;		
+		return false;
 	}
 
 	BlockAddress = SwapEndian_32(*(uint32_t*)&CommandBlock.SCSICommandData[2]);
 	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)
 	{
@@ -330,10 +329,10 @@ static bool SCSI_Command_ReadWrite_10(const bool IsDataRead)
 static bool SCSI_Command_ModeSense_6(void)
 {
 	/* Send an empty header response with the Write Protect flag status */
-	Endpoint_Write_Byte(0x00);
-	Endpoint_Write_Byte(0x00);
-	Endpoint_Write_Byte(DISK_READ_ONLY ? 0x80 : 0x00);
-	Endpoint_Write_Byte(0x00);
+	Endpoint_Write_8(0x00);
+	Endpoint_Write_8(0x00);
+	Endpoint_Write_8(DISK_READ_ONLY ? 0x80 : 0x00);
+	Endpoint_Write_8(0x00);
 	Endpoint_ClearIN();
 
 	/* Update the bytes transferred counter and succeed the command */
@@ -341,3 +340,4 @@ static bool SCSI_Command_ModeSense_6(void)
 
 	return true;
 }
+