Ensure the library builds cleanly in device mode for architectures lacking multiple...

[pub/lufa.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 63f1ec3..56790dd 100644 (file)
--- 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, 2010.
+     Copyright (C) Dean Camera, 2011.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2011  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))) ||
@@ -166,12 +165,10 @@ static bool SCSI_Command_Inquiry(void)
        }
 
        /* Write the INQUIRY data to the endpoint */
-       Endpoint_Write_Stream_LE(&InquiryData, BytesTransferred, StreamCallback_AbortOnMassStoreReset);
-
-       uint8_t PadBytes[AllocationLength - BytesTransferred];
+       Endpoint_Write_Stream_LE(&InquiryData, BytesTransferred, NULL);
 
        /* Pad out remaining bytes with 0x00 */
-       Endpoint_Write_Stream_LE(&PadBytes, sizeof(PadBytes), StreamCallback_AbortOnMassStoreReset);
+       Endpoint_Null_Stream((AllocationLength - BytesTransferred), NULL);
 
        /* Finalize the stream transfer to send the last packet */
        Endpoint_ClearIN();
@@ -190,15 +187,13 @@ 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, StreamCallback_AbortOnMassStoreReset);
-
-       uint8_t PadBytes[AllocationLength - BytesTransferred];
+       Endpoint_Write_Stream_LE(&SenseData, BytesTransferred, NULL);
 
        /* Pad out remaining bytes with 0x00 */
-       Endpoint_Write_Stream_LE(&PadBytes, sizeof(PadBytes), StreamCallback_AbortOnMassStoreReset);
+       Endpoint_Null_Stream((AllocationLength - BytesTransferred), NULL);
 
        /* Finalize the stream transfer to send the last packet */
        Endpoint_ClearIN();