diff options
Diffstat (limited to 'Demos/Device/ClassDriver/MassStorageKeyboard/Lib')
5 files changed, 41 insertions, 118 deletions
diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.c b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.c index 445082f24..ce2ac8151 100644 --- a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.c +++ b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.c @@ -498,3 +498,36 @@ void DataflashManager_ResetDataflashProtections(void) /* Deselect current Dataflash chip */ Dataflash_DeselectChip(); } + +/** Performs a simple test on the attached Dataflash IC(s) to ensure that they are working. + * + * \return Boolean true if all media chips are working, false otherwise + */ +bool DataflashManager_CheckDataflashOperation(void) +{ + uint8_t ReturnByte; + + /* Test first Dataflash IC is present and responding to commands */ + Dataflash_SelectChip(DATAFLASH_CHIP1); + Dataflash_SendByte(DF_CMD_READMANUFACTURERDEVICEINFO); + ReturnByte = Dataflash_ReceiveByte(); + Dataflash_DeselectChip(); + + /* If returned data is invalid, fail the command */ + if (ReturnByte != DF_MANUFACTURER_ATMEL) + return false; + + #if (DATAFLASH_TOTALCHIPS == 2) + /* Test second Dataflash IC is present and responding to commands */ + Dataflash_SelectChip(DATAFLASH_CHIP2); + Dataflash_SendByte(DF_CMD_READMANUFACTURERDEVICEINFO); + ReturnByte = Dataflash_ReceiveByte(); + Dataflash_DeselectChip(); + + /* If returned data is invalid, fail the command */ + if (ReturnByte != DF_MANUFACTURER_ATMEL) + return false; + #endif + + return true; +} diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h index 694867f0e..d5a9fd5b0 100644 --- a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h +++ b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h @@ -83,5 +83,6 @@ uint16_t TotalBlocks, uint8_t* BufferPtr) ATTR_NON_NULL_PTR_ARG(3); void DataflashManager_ResetDataflashProtections(void); + bool DataflashManager_CheckDataflashOperation(void); #endif diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c index 0dac65090..fed57f7b9 100644 --- a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c +++ b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c @@ -85,6 +85,8 @@ SCSI_Request_Sense_Response_t SenseData = * a command failure due to a ILLEGAL REQUEST. * * \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with + * + * \return Boolean true if the command completed successfully, false otherwise */ bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) { @@ -236,8 +238,6 @@ static bool SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* const MSInt */ static bool SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) { - uint8_t ReturnByte; - /* Check to see if the SELF TEST bit is not set */ if (!(MSInterfaceInfo->State.CommandBlock.SCSICommandData[1] & (1 << 2))) { @@ -249,32 +249,8 @@ static bool SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* const MSInte return false; } - /* Test first Dataflash IC is present and responding to commands */ - Dataflash_SelectChip(DATAFLASH_CHIP1); - Dataflash_SendByte(DF_CMD_READMANUFACTURERDEVICEINFO); - ReturnByte = Dataflash_ReceiveByte(); - Dataflash_DeselectChip(); - - /* If returned data is invalid, fail the command */ - if (ReturnByte != DF_MANUFACTURER_ATMEL) - { - /* Update SENSE key with a hardware error condition and return command fail */ - SCSI_SET_SENSE(SCSI_SENSE_KEY_HARDWARE_ERROR, - SCSI_ASENSE_NO_ADDITIONAL_INFORMATION, - SCSI_ASENSEQ_NO_QUALIFIER); - - return false; - } - - #if (DATAFLASH_TOTALCHIPS == 2) - /* Test second Dataflash IC is present and responding to commands */ - Dataflash_SelectChip(DATAFLASH_CHIP2); - Dataflash_SendByte(DF_CMD_READMANUFACTURERDEVICEINFO); - ReturnByte = Dataflash_ReceiveByte(); - Dataflash_DeselectChip(); - - /* If returned data is invalid, fail the command */ - if (ReturnByte != DF_MANUFACTURER_ATMEL) + /* Check to see if all attached Dataflash ICs are functional */ + if (!(DataflashManager_CheckDataflashOperation())) { /* Update SENSE key with a hardware error condition and return command fail */ SCSI_SET_SENSE(SCSI_SENSE_KEY_HARDWARE_ERROR, @@ -283,7 +259,6 @@ static bool SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* const MSInte return false; } - #endif /* Succeed the command and update the bytes transferred counter */ MSInterfaceInfo->State.CommandBlock.DataTransferLength = 0; diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.h b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.h index 6025d866f..96489ab82 100644 --- a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.h +++ b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.h @@ -46,7 +46,6 @@ #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 @@ -57,9 +56,9 @@ * \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 + #define SCSI_SET_SENSE(Key, Acode, Aqual) MACROS{ SenseData.SenseKey = (Key); \ + SenseData.AdditionalSenseCode = (Acode); \ + SenseData.AdditionalSenseQualifier = (Aqual); }MACROE /** 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 diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI_Codes.h b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI_Codes.h deleted file mode 100644 index 5b6b76ac8..000000000 --- a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI_Codes.h +++ /dev/null @@ -1,85 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2010. - - dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com -*/ - -/* - Copyright 2010 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 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 containing macros for possible SCSI commands and SENSE data. Refer to - * the SCSI standard documentation for more information on each SCSI command and - * the SENSE data. - */ - -#ifndef _SCSI_CODES_H_ -#define _SCSI_CODES_H_ - - /* Macros: */ - #define SCSI_CMD_INQUIRY 0x12 - #define SCSI_CMD_REQUEST_SENSE 0x03 - #define SCSI_CMD_TEST_UNIT_READY 0x00 - #define SCSI_CMD_READ_CAPACITY_10 0x25 - #define SCSI_CMD_SEND_DIAGNOSTIC 0x1D - #define SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1E - #define SCSI_CMD_WRITE_10 0x2A - #define SCSI_CMD_READ_10 0x28 - #define SCSI_CMD_WRITE_6 0x0A - #define SCSI_CMD_READ_6 0x08 - #define SCSI_CMD_VERIFY_10 0x2F - #define SCSI_CMD_MODE_SENSE_6 0x1A - #define SCSI_CMD_MODE_SENSE_10 0x5A - - #define SCSI_SENSE_KEY_GOOD 0x00 - #define SCSI_SENSE_KEY_RECOVERED_ERROR 0x01 - #define SCSI_SENSE_KEY_NOT_READY 0x02 - #define SCSI_SENSE_KEY_MEDIUM_ERROR 0x03 - #define SCSI_SENSE_KEY_HARDWARE_ERROR 0x04 - #define SCSI_SENSE_KEY_ILLEGAL_REQUEST 0x05 - #define SCSI_SENSE_KEY_UNIT_ATTENTION 0x06 - #define SCSI_SENSE_KEY_DATA_PROTECT 0x07 - #define SCSI_SENSE_KEY_BLANK_CHECK 0x08 - #define SCSI_SENSE_KEY_VENDOR_SPECIFIC 0x09 - #define SCSI_SENSE_KEY_COPY_ABORTED 0x0A - #define SCSI_SENSE_KEY_ABORTED_COMMAND 0x0B - #define SCSI_SENSE_KEY_VOLUME_OVERFLOW 0x0D - #define SCSI_SENSE_KEY_MISCOMPARE 0x0E - - #define SCSI_ASENSE_NO_ADDITIONAL_INFORMATION 0x00 - #define SCSI_ASENSE_LOGICAL_UNIT_NOT_READY 0x04 - #define SCSI_ASENSE_INVALID_FIELD_IN_CDB 0x24 - #define SCSI_ASENSE_WRITE_PROTECTED 0x27 - #define SCSI_ASENSE_FORMAT_ERROR 0x31 - #define SCSI_ASENSE_INVALID_COMMAND 0x20 - #define SCSI_ASENSE_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE 0x21 - #define SCSI_ASENSE_MEDIUM_NOT_PRESENT 0x3A - - #define SCSI_ASENSEQ_NO_QUALIFIER 0x00 - #define SCSI_ASENSEQ_FORMAT_COMMAND_FAILED 0x01 - #define SCSI_ASENSEQ_INITIALIZING_COMMAND_REQUIRED 0x02 - #define SCSI_ASENSEQ_OPERATION_IN_PROGRESS 0x07 - -#endif |