diff options
Diffstat (limited to 'lib/lufa/Demos/Device/LowLevel/MassStorage/Lib/SCSI.h')
| -rw-r--r-- | lib/lufa/Demos/Device/LowLevel/MassStorage/Lib/SCSI.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/lib/lufa/Demos/Device/LowLevel/MassStorage/Lib/SCSI.h b/lib/lufa/Demos/Device/LowLevel/MassStorage/Lib/SCSI.h new file mode 100644 index 0000000000..b1488b492c --- /dev/null +++ b/lib/lufa/Demos/Device/LowLevel/MassStorage/Lib/SCSI.h @@ -0,0 +1,150 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 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 + without fee, 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 disclaims 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 <avr/io.h> + #include <avr/pgmspace.h> + + #include <LUFA/Common/Common.h> + #include <LUFA/Drivers/USB/USB.h> + #include <LUFA/Drivers/Board/LEDs.h> + + #include "../MassStorage.h" + #include "../Descriptors.h" + #include "DataflashManager.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) do { SenseData.SenseKey = (Key); \ + SenseData.AdditionalSenseCode = (Acode); \ + SenseData.AdditionalSenseQualifier = (Aqual); } while (0) + + /** Macro for the \ref SCSI_Command_ReadWrite_10() function, to indicate that data is to be read from the storage medium. */ + #define DATA_READ true + + /** Macro for the \ref 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 DeviceType : 5; + unsigned PeripheralQualifier : 3; + + unsigned Reserved : 7; + unsigned Removable : 1; + + uint8_t Version; + + unsigned ResponseDataFormat : 4; + unsigned Reserved2 : 1; + unsigned NormACA : 1; + unsigned TrmTsk : 1; + unsigned AERC : 1; + + uint8_t AdditionalLength; + uint8_t Reserved3[2]; + + unsigned SoftReset : 1; + unsigned CmdQue : 1; + unsigned Reserved4 : 1; + unsigned Linked : 1; + unsigned Sync : 1; + unsigned WideBus16Bit : 1; + unsigned WideBus32Bit : 1; + unsigned RelAddr : 1; + + uint8_t VendorID[8]; + uint8_t ProductID[16]; + uint8_t RevisionID[4]; + } MS_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 SenseKey : 4; + unsigned Reserved : 1; + unsigned ILI : 1; + unsigned EOM : 1; + unsigned 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]; + } MS_SCSI_Request_Sense_Response_t; + + /* Function Prototypes: */ + bool SCSI_DecodeSCSICommand(void); + + #if defined(INCLUDE_FROM_SCSI_C) + static bool SCSI_Command_Inquiry(void); + static bool SCSI_Command_Request_Sense(void); + static bool SCSI_Command_Read_Capacity_10(void); + static bool SCSI_Command_Send_Diagnostic(void); + static bool SCSI_Command_ReadWrite_10(const bool IsDataRead); + static bool SCSI_Command_ModeSense_6(void); + #endif + +#endif + |