From f5c645296c837c85ff915a615cf1fd3193b91d7d Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Mon, 21 Sep 2009 08:07:26 +0000 Subject: Added new MassStorageKeyboard Device Class Driver demo (thanks to Matthias Hullin). --- .../ClassDriver/MassStorageKeyboard/Lib/SCSI.h | 148 +++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.h (limited to 'Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.h') diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.h b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.h new file mode 100644 index 000000000..21ffa4551 --- /dev/null +++ b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.h @@ -0,0 +1,148 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2009. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, and distribute this software + and its documentation for any purpose and without fee is hereby + granted, provided that the above copyright notice appear in all + copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * + * Header file for SCSI.c. + */ + +#ifndef _SCSI_H_ +#define _SCSI_H_ + + /* Includes: */ + #include + #include + + #include + #include + + #include "MassStorageKeyboard.h" + #include "Descriptors.h" + #include "DataflashManager.h" + #include "SCSI_Codes.h" + + /* Macros: */ + /** Macro to set the current SCSI sense data to the given key, additional sense code and additional sense qualifier. This + * is for convenience, as it allows for all three sense values (returned upon request to the host to give information about + * the last command failure) in a quick and easy manner. + * + * \param[in] key New SCSI sense key to set the sense code to + * \param[in] acode New SCSI additional sense key to set the additional sense code to + * \param[in] aqual New SCSI additional sense key qualifier to set the additional sense qualifier code to + */ + #define SCSI_SET_SENSE(key, acode, aqual) MACROS{ SenseData.SenseKey = key; \ + SenseData.AdditionalSenseCode = acode; \ + SenseData.AdditionalSenseQualifier = aqual; }MACROE + + /** Macro for the SCSI_Command_ReadWrite_10() function, to indicate that data is to be read from the storage medium. */ + #define DATA_READ true + + /** Macro for the SCSI_Command_ReadWrite_10() function, to indicate that data is to be written to the storage medium. */ + #define DATA_WRITE false + + /** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a Block Media device. */ + #define DEVICE_TYPE_BLOCK 0x00 + + /** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a CD-ROM device. */ + #define DEVICE_TYPE_CDROM 0x05 + + /* Type Defines: */ + /** Type define for a SCSI response structure to a SCSI INQUIRY command. For details of the + * structure contents, refer to the SCSI specifications. + */ + typedef struct + { + unsigned char DeviceType : 5; + unsigned char PeripheralQualifier : 3; + + unsigned char _RESERVED1 : 7; + unsigned char Removable : 1; + + uint8_t Version; + + unsigned char ResponseDataFormat : 4; + unsigned char _RESERVED2 : 1; + unsigned char NormACA : 1; + unsigned char TrmTsk : 1; + unsigned char AERC : 1; + + uint8_t AdditionalLength; + uint8_t _RESERVED3[2]; + + unsigned char SoftReset : 1; + unsigned char CmdQue : 1; + unsigned char _RESERVED4 : 1; + unsigned char Linked : 1; + unsigned char Sync : 1; + unsigned char WideBus16Bit : 1; + unsigned char WideBus32Bit : 1; + unsigned char RelAddr : 1; + + uint8_t VendorID[8]; + uint8_t ProductID[16]; + uint8_t RevisionID[4]; + } SCSI_Inquiry_Response_t; + + /** Type define for a SCSI sense structure to a SCSI REQUEST SENSE command. For details of the + * structure contents, refer to the SCSI specifications. + */ + typedef struct + { + uint8_t ResponseCode; + + uint8_t SegmentNumber; + + unsigned char SenseKey : 4; + unsigned char _RESERVED1 : 1; + unsigned char ILI : 1; + unsigned char EOM : 1; + unsigned char FileMark : 1; + + uint8_t Information[4]; + uint8_t AdditionalLength; + uint8_t CmdSpecificInformation[4]; + uint8_t AdditionalSenseCode; + uint8_t AdditionalSenseQualifier; + uint8_t FieldReplaceableUnitCode; + uint8_t SenseKeySpecific[3]; + } SCSI_Request_Sense_Response_t; + + /* Function Prototypes: */ + bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* MSInterfaceInfo); + + #if defined(INCLUDE_FROM_SCSI_C) + static bool SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* MSInterfaceInfo); + static bool SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* MSInterfaceInfo); + static bool SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* MSInterfaceInfo); + static bool SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* MSInterfaceInfo); + static bool SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* MSInterfaceInfo, const bool IsDataRead); + #endif + +#endif -- cgit v1.2.3