X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/03cdb09071c5c9ed9dd0f851a0980d360a4492d0..5cae54154506176d64a581c5b3d9550c901b570c:/Bootloaders/MassStorage/Lib/SCSI.c?ds=sidebyside diff --git a/Bootloaders/MassStorage/Lib/SCSI.c b/Bootloaders/MassStorage/Lib/SCSI.c index 3df8d3001..3bb868ccc 100644 --- a/Bootloaders/MassStorage/Lib/SCSI.c +++ b/Bootloaders/MassStorage/Lib/SCSI.c @@ -113,8 +113,12 @@ bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) case SCSI_CMD_MODE_SENSE_6: CommandSuccess = SCSI_Command_ModeSense_6(MSInterfaceInfo); break; - case SCSI_CMD_SEND_DIAGNOSTIC: case SCSI_CMD_START_STOP_UNIT: +#if !defined(NO_APP_START_ON_EJECT) + /* If the user ejected the volume, signal bootloader exit at next opportunity. */ + RunBootloader = ((MSInterfaceInfo->State.CommandBlock.SCSICommandData[4] & 0x03) != 0x02); +#endif + case SCSI_CMD_SEND_DIAGNOSTIC: case SCSI_CMD_TEST_UNIT_READY: case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL: case SCSI_CMD_VERIFY_10: @@ -212,11 +216,8 @@ static bool SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* const MSInterf */ static bool SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) { - uint32_t LastBlockAddressInLUN = (LUN_MEDIA_BLOCKS - 1); - uint32_t MediaBlockSize = SECTOR_SIZE_BYTES; - - Endpoint_Write_Stream_BE(&LastBlockAddressInLUN, sizeof(LastBlockAddressInLUN), NULL); - Endpoint_Write_Stream_BE(&MediaBlockSize, sizeof(MediaBlockSize), NULL); + Endpoint_Write_32_BE(LUN_MEDIA_BLOCKS - 1); + Endpoint_Write_32_BE(SECTOR_SIZE_BYTES); Endpoint_ClearIN(); /* Succeed the command and update the bytes transferred counter */ @@ -237,7 +238,7 @@ static bool SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* const MSInt static bool SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, const bool IsDataRead) { - uint32_t BlockAddress; + uint16_t BlockAddress; uint16_t TotalBlocks; /* Load in the 32-bit block address (SCSI uses big-endian, so have to reverse the byte order) */ @@ -258,10 +259,13 @@ static bool SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* const MSInterfa } /* Determine if the packet is a READ (10) or WRITE (10) command, call appropriate function */ - if (IsDataRead == DATA_READ) - VirtualFAT_ReadBlocks(MSInterfaceInfo, BlockAddress, TotalBlocks); - else - VirtualFAT_WriteBlocks(MSInterfaceInfo, BlockAddress, TotalBlocks); + for (uint16_t i = 0; i < TotalBlocks; i++) + { + if (IsDataRead == DATA_READ) + VirtualFAT_ReadBlock(BlockAddress + i); + else + VirtualFAT_WriteBlock(BlockAddress + i); + } /* Update the bytes transferred counter and succeed the command */ MSInterfaceInfo->State.CommandBlock.DataTransferLength -= ((uint32_t)TotalBlocks * SECTOR_SIZE_BYTES);