diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/MassStorage.c')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Device/MassStorage.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/MassStorage.c b/LUFA/Drivers/USB/Class/Device/MassStorage.c index efc9cd4b3..4f1542ae9 100644 --- a/LUFA/Drivers/USB/Class/Device/MassStorage.c +++ b/LUFA/Drivers/USB/Class/Device/MassStorage.c @@ -124,17 +124,15 @@ void MS_Device_USBTask(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) if (MSInterfaceInfo->State.CommandBlock.Flags & MS_COMMAND_DIR_DATA_IN) Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataINEndpointNumber); - MSInterfaceInfo->State.CommandStatus.Status = CALLBACK_MS_Device_SCSICommandReceived(MSInterfaceInfo) ? - MS_SCSI_COMMAND_Pass : MS_SCSI_COMMAND_Fail; - MSInterfaceInfo->State.CommandStatus.Signature = MS_CSW_SIGNATURE; + bool SCSICommandResult = CALLBACK_MS_Device_SCSICommandReceived(MSInterfaceInfo); + + MSInterfaceInfo->State.CommandStatus.Status = (SCSICommandResult) ? MS_SCSI_COMMAND_Pass : MS_SCSI_COMMAND_Fail; + MSInterfaceInfo->State.CommandStatus.Signature = CPU_TO_LE32(MS_CSW_SIGNATURE); MSInterfaceInfo->State.CommandStatus.Tag = MSInterfaceInfo->State.CommandBlock.Tag; MSInterfaceInfo->State.CommandStatus.DataTransferResidue = MSInterfaceInfo->State.CommandBlock.DataTransferLength; - if ((MSInterfaceInfo->State.CommandStatus.Status == MS_SCSI_COMMAND_Fail) && - (MSInterfaceInfo->State.CommandStatus.DataTransferResidue)) - { - Endpoint_StallTransaction(); - } + if (!(SCSICommandResult) && (le32_to_cpu(MSInterfaceInfo->State.CommandStatus.DataTransferResidue))) + Endpoint_StallTransaction(); MS_Device_ReturnCommandStatus(MSInterfaceInfo); } @@ -167,11 +165,15 @@ static bool MS_Device_ReadInCommandBlock(USB_ClassInfo_MS_Device_t* const MSInte (sizeof(MS_CommandBlockWrapper_t) - 16), &BytesProcessed) == ENDPOINT_RWSTREAM_IncompleteTransfer) { + #if !defined(INTERRUPT_CONTROL_ENDPOINT) + USB_USBTask(); + #endif + if (MSInterfaceInfo->State.IsMassStoreReset) return false; } - if ((MSInterfaceInfo->State.CommandBlock.Signature != MS_CBW_SIGNATURE) || + if ((MSInterfaceInfo->State.CommandBlock.Signature != CPU_TO_LE32(MS_CBW_SIGNATURE)) || (MSInterfaceInfo->State.CommandBlock.LUN >= MSInterfaceInfo->Config.TotalLUNs) || (MSInterfaceInfo->State.CommandBlock.Flags & 0x1F) || (MSInterfaceInfo->State.CommandBlock.SCSICommandLength == 0) || @@ -189,6 +191,10 @@ static bool MS_Device_ReadInCommandBlock(USB_ClassInfo_MS_Device_t* const MSInte MSInterfaceInfo->State.CommandBlock.SCSICommandLength, &BytesProcessed) == ENDPOINT_RWSTREAM_IncompleteTransfer) { + #if !defined(INTERRUPT_CONTROL_ENDPOINT) + USB_USBTask(); + #endif + if (MSInterfaceInfo->State.IsMassStoreReset) return false; } @@ -229,6 +235,10 @@ static void MS_Device_ReturnCommandStatus(USB_ClassInfo_MS_Device_t* const MSInt sizeof(MS_CommandStatusWrapper_t), &BytesProcessed) == ENDPOINT_RWSTREAM_IncompleteTransfer) { + #if !defined(INTERRUPT_CONTROL_ENDPOINT) + USB_USBTask(); + #endif + if (MSInterfaceInfo->State.IsMassStoreReset) return; } |