\r
}\r
\r
+static uint8_t MassStore_SendCommand(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, MS_CommandBlockWrapper_t* SCSICommandBlock)\r
+{\r
+ uint8_t ErrorCode = PIPE_RWSTREAM_NoError;\r
+\r
+ if (++MSInterfaceInfo->State.TransactionTag == 0xFFFFFFFF)\r
+ MSInterfaceInfo->State.TransactionTag = 1;\r
+\r
+ Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);\r
+ Pipe_Unfreeze();\r
+\r
+ if ((ErrorCode = Pipe_Write_Stream_LE(SCSICommandBlock, sizeof(MS_CommandBlockWrapper_t))) != PIPE_RWSTREAM_NoError)\r
+ return ErrorCode;\r
+\r
+ Pipe_ClearOUT();\r
+ while(!(Pipe_IsOUTReady()));\r
+\r
+ Pipe_Freeze();\r
+ \r
+ return PIPE_RWSTREAM_NoError;\r
+}\r
+\r
+static uint8_t MassStore_WaitForDataReceived(USB_ClassInfo_MS_Host_t* MSInterfaceInfo)\r
+{\r
+ uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS;\r
+\r
+ Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);\r
+ Pipe_Unfreeze();\r
+\r
+ while (!(Pipe_IsINReceived()))\r
+ {\r
+ if (USB_INT_HasOccurred(USB_INT_HSOFI))\r
+ {\r
+ USB_INT_Clear(USB_INT_HSOFI);\r
+ TimeoutMSRem--;\r
+\r
+ if (!(TimeoutMSRem))\r
+ return PIPE_RWSTREAM_Timeout;\r
+ }\r
+ \r
+ Pipe_Freeze();\r
+ Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);\r
+ Pipe_Unfreeze();\r
+\r
+ if (Pipe_IsStalled())\r
+ {\r
+ USB_Host_ClearPipeStall(MSInterfaceInfo->Config.DataOUTPipeNumber);\r
+\r
+ return PIPE_RWSTREAM_PipeStalled;\r
+ }\r
+ \r
+ Pipe_Freeze();\r
+ Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);\r
+ Pipe_Unfreeze();\r
+\r
+ if (Pipe_IsStalled())\r
+ {\r
+ USB_Host_ClearPipeStall(MSInterfaceInfo->Config.DataINPipeNumber);\r
+\r
+ return PIPE_RWSTREAM_PipeStalled;\r
+ }\r
+ \r
+ if (USB_HostState == HOST_STATE_Unattached)\r
+ return PIPE_RWSTREAM_DeviceDisconnected;\r
+ };\r
+ \r
+ Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);\r
+ Pipe_Freeze();\r
+ \r
+ Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);\r
+ Pipe_Freeze();\r
+\r
+ return PIPE_RWSTREAM_NoError;\r
+}\r
+\r
+static uint8_t MassStore_SendReceiveData(USB_ClassInfo_MS_Host_t* MSInterfaceInfo,\r
+ MS_CommandBlockWrapper_t* SCSICommandBlock, void* BufferPtr)\r
+{\r
+ uint8_t ErrorCode = PIPE_RWSTREAM_NoError;\r
+ uint16_t BytesRem = SCSICommandBlock->DataTransferLength;\r
+\r
+ if (SCSICommandBlock->Flags & COMMAND_DIRECTION_DATA_IN)\r
+ {\r
+ Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);\r
+ Pipe_Unfreeze();\r
+ \r
+ if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem)) != PIPE_RWSTREAM_NoError)\r
+ return ErrorCode;\r
+\r
+ Pipe_ClearIN();\r
+ }\r
+ else\r
+ {\r
+ Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);\r
+ Pipe_Unfreeze();\r
+\r
+ if ((ErrorCode = Pipe_Write_Stream_LE(BufferPtr, BytesRem)) != PIPE_RWSTREAM_NoError)\r
+ return ErrorCode;\r
+\r
+ Pipe_ClearOUT();\r
+ \r
+ while (!(Pipe_IsOUTReady()))\r
+ {\r
+ if (USB_HostState == HOST_STATE_Unattached)\r
+ return PIPE_RWSTREAM_DeviceDisconnected;\r
+ }\r
+ }\r
+\r
+ Pipe_Freeze();\r
+\r
+ return PIPE_RWSTREAM_NoError;\r
+}\r
+\r
+static uint8_t MassStore_GetReturnedStatus(USB_ClassInfo_MS_Host_t* MSInterfaceInfo,\r
+ MS_CommandStatusWrapper_t* SCSICommandStatus)\r
+{\r
+ uint8_t ErrorCode = PIPE_RWSTREAM_NoError;\r
+\r
+ if ((ErrorCode = MassStore_WaitForDataReceived(MSInterfaceInfo)) != PIPE_RWSTREAM_NoError)\r
+ return ErrorCode;\r
+\r
+ Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);\r
+ Pipe_Unfreeze();\r
+ \r
+ if ((ErrorCode = Pipe_Read_Stream_LE(&SCSICommandStatus, sizeof(MS_CommandStatusWrapper_t))) != PIPE_RWSTREAM_NoError)\r
+ return ErrorCode;\r
+ \r
+ Pipe_ClearIN();\r
+ Pipe_Freeze();\r
+ \r
+ return PIPE_RWSTREAM_NoError;\r
+}\r
+\r
+uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* MSInterfaceInfo)\r
+{\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))\r
+ return HOST_SENDCONTROL_DeviceDisconnect;\r
+\r
+ USB_ControlRequest = (USB_Request_Header_t)\r
+ {\r
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
+ .bRequest = REQ_MassStorageReset,\r
+ .wValue = 0,\r
+ .wIndex = MSInterfaceInfo->State.InterfaceNumber,\r
+ .wLength = 0,\r
+ };\r
+ \r
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+\r
+ return USB_Host_SendControlRequest(NULL);\r
+}\r
+\r
+uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t* MaxLUNIndex)\r
+{\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))\r
+ return HOST_SENDCONTROL_DeviceDisconnect;\r
+\r
+ uint8_t ErrorCode;\r
+\r
+ USB_ControlRequest = (USB_Request_Header_t)\r
+ {\r
+ .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),\r
+ .bRequest = REQ_GetMaxLUN,\r
+ .wValue = 0,\r
+ .wIndex = MSInterfaceInfo->State.InterfaceNumber,\r
+ .wLength = 1,\r
+ };\r
+ \r
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+\r
+ if ((ErrorCode = USB_Host_SendControlRequest(MaxLUNIndex)) == HOST_SENDCONTROL_SetupStalled)\r
+ {\r
+ Pipe_ClearStall();\r
+\r
+ *MaxLUNIndex = 0;\r
+ }\r
+ \r
+ return ErrorCode;\r
+}\r
+\r
+uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, SCSI_Inquiry_Response_t* InquiryData)\r
+{\r
+\r
+}\r
+\r
+uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, bool* DeviceReady);\r
+uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex,\r
+ SCSI_Capacity_t* DeviceCapacity);\r
+\r
#endif\r
projects / pub / lufa.git / blobdiff