Add missing const qualifier to the parameters of the USB_GetNextDescriptorComp()...
[pub/USBasp.git] / Demos / Device / LowLevel / MassStorage / Lib / SCSI.c
index 10e6bc4..d718e7e 100644 (file)
@@ -136,8 +136,7 @@ bool SCSI_DecodeSCSICommand(void)
  */
 static void SCSI_Command_Inquiry(void)
 {
  */
 static void SCSI_Command_Inquiry(void)
 {
-       uint16_t AllocationLength  = (((uint16_t)CommandBlock.SCSICommandData[3] << 8) |
-                                                CommandBlock.SCSICommandData[4]);
+       uint16_t AllocationLength  = SwapEndian_16(*(uint16_t*)&CommandBlock.SCSICommandData[3]);
        uint16_t BytesTransferred  = (AllocationLength < sizeof(InquiryData))? AllocationLength :
                                                                               sizeof(InquiryData);
 
        uint16_t BytesTransferred  = (AllocationLength < sizeof(InquiryData))? AllocationLength :
                                                                               sizeof(InquiryData);
 
@@ -159,7 +158,7 @@ static void SCSI_Command_Inquiry(void)
        uint8_t PadBytes[AllocationLength - BytesTransferred];
        
        /* Pad out remaining bytes with 0x00 */
        uint8_t PadBytes[AllocationLength - BytesTransferred];
        
        /* Pad out remaining bytes with 0x00 */
-       Endpoint_Write_Stream_LE(&PadBytes, (AllocationLength - BytesTransferred), StreamCallback_AbortOnMassStoreReset);
+       Endpoint_Write_Stream_LE(&PadBytes, sizeof(PadBytes), StreamCallback_AbortOnMassStoreReset);
 
        /* Finalize the stream transfer to send the last packet */
        Endpoint_ClearIN();
 
        /* Finalize the stream transfer to send the last packet */
        Endpoint_ClearIN();
@@ -182,7 +181,7 @@ static void SCSI_Command_Request_Sense(void)
        uint8_t PadBytes[AllocationLength - BytesTransferred];
        
        /* Pad out remaining bytes with 0x00 */
        uint8_t PadBytes[AllocationLength - BytesTransferred];
        
        /* Pad out remaining bytes with 0x00 */
-       Endpoint_Write_Stream_LE(&PadBytes, (AllocationLength - BytesTransferred), StreamCallback_AbortOnMassStoreReset);
+       Endpoint_Write_Stream_LE(&PadBytes, sizeof(PadBytes), StreamCallback_AbortOnMassStoreReset);
 
        /* Finalize the stream transfer to send the last packet */
        Endpoint_ClearIN();
 
        /* Finalize the stream transfer to send the last packet */
        Endpoint_ClearIN();
@@ -253,19 +252,9 @@ static void SCSI_Command_Send_Diagnostic(void)
  */
 static void SCSI_Command_ReadWrite_10(const bool IsDataRead)
 {
  */
 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 do it byte-by-byte) */
-       ((uint8_t*)&BlockAddress)[3] = CommandBlock.SCSICommandData[2];
-       ((uint8_t*)&BlockAddress)[2] = CommandBlock.SCSICommandData[3];
-       ((uint8_t*)&BlockAddress)[1] = CommandBlock.SCSICommandData[4];
-       ((uint8_t*)&BlockAddress)[0] = CommandBlock.SCSICommandData[5];
-
-       /* Load in the 16-bit total blocks (SCSI uses big-endian, so have to do it byte-by-byte) */
-       ((uint8_t*)&TotalBlocks)[1]  = CommandBlock.SCSICommandData[7];
-       ((uint8_t*)&TotalBlocks)[0]  = CommandBlock.SCSICommandData[8];
-       
+       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)
        {
        /* Check if the block address is outside the maximum allowable value for the LUN */
        if (BlockAddress >= LUN_MEDIA_BLOCKS)
        {