diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/MassStorage.c')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Host/MassStorage.c | 224 |
1 files changed, 216 insertions, 8 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/MassStorage.c b/LUFA/Drivers/USB/Class/Host/MassStorage.c index 4c23e8153..6c01ed4d8 100644 --- a/LUFA/Drivers/USB/Class/Host/MassStorage.c +++ b/LUFA/Drivers/USB/Class/Host/MassStorage.c @@ -34,8 +34,6 @@ #define INCLUDE_FROM_MS_CLASS_HOST_C
#include "MassStorage.h"
-#warning The Mass Storage Host mode Class driver is currently incomplete and is for preview purposes only.
-
uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint16_t ConfigDescriptorLength,
uint8_t* DeviceConfigDescriptor)
{
@@ -478,14 +476,224 @@ uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uin }
uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex,
- SCSI_Request_Sense_Response_t* SenseData);
+ SCSI_Request_Sense_Response_t* SenseData)
+{
+ if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))
+ return HOST_SENDCONTROL_DeviceDisconnect;
-uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, bool PreventRemoval);
+ uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
-uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, uint32_t BlockAddr,
- uint8_t Blocks, uint16_t BlockSize, void* BlockBuffer);
+ MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
+ {
+ .Signature = CBW_SIGNATURE,
+ .Tag = MSInterfaceInfo->State.TransactionTag,
+ .DataTransferLength = sizeof(SCSI_Request_Sense_Response_t),
+ .Flags = COMMAND_DIRECTION_DATA_IN,
+ .LUN = LUNIndex,
+ .SCSICommandLength = 6,
+ .SCSICommandData =
+ {
+ SCSI_CMD_REQUEST_SENSE,
+ 0x00, // Reserved
+ 0x00, // Reserved
+ 0x00, // Reserved
+ sizeof(SCSI_Request_Sense_Response_t), // Allocation Length
+ 0x00 // Unused (control)
+ }
+ };
+
+ if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock)) != PIPE_RWSTREAM_NoError)
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
+
+ if ((ErrorCode = MS_Host_WaitForDataReceived(MSInterfaceInfo)) != PIPE_RWSTREAM_NoError)
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
+
+ if ((ErrorCode = MS_Host_SendReceiveData(MSInterfaceInfo, &SCSICommandBlock, SenseData)) != PIPE_RWSTREAM_NoError)
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
+
+ MS_CommandStatusWrapper_t SCSICommandStatus;
+ if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
+
+ if (SCSICommandStatus.Status != SCSI_Command_Pass)
+ ErrorCode = MS_ERROR_LOGICAL_CMD_FAILED;
-uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, uint32_t BlockAddr,
- uint8_t Blocks, uint16_t BlockSize, void* BlockBuffer);
+ return ErrorCode;
+}
+
+uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, bool PreventRemoval)
+{
+ if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))
+ return HOST_SENDCONTROL_DeviceDisconnect;
+
+ uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
+
+ MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
+ {
+ .Signature = CBW_SIGNATURE,
+ .Tag = MSInterfaceInfo->State.TransactionTag,
+ .DataTransferLength = 0,
+ .Flags = COMMAND_DIRECTION_DATA_OUT,
+ .LUN = LUNIndex,
+ .SCSICommandLength = 6,
+ .SCSICommandData =
+ {
+ SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL,
+ 0x00, // Reserved
+ 0x00, // Reserved
+ PreventRemoval, // Prevent flag
+ 0x00, // Reserved
+ 0x00 // Unused (control)
+ }
+ };
+
+ if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock)) != PIPE_RWSTREAM_NoError)
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
+
+ MS_CommandStatusWrapper_t SCSICommandStatus;
+ if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
+
+ if (SCSICommandStatus.Status != SCSI_Command_Pass)
+ ErrorCode = MS_ERROR_LOGICAL_CMD_FAILED;
+
+ return ErrorCode;
+}
+
+uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, uint32_t BlockAddress,
+ uint8_t Blocks, uint16_t BlockSize, void* BlockBuffer)
+{
+ if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))
+ return HOST_SENDCONTROL_DeviceDisconnect;
+
+ uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
+
+ MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
+ {
+ .Signature = CBW_SIGNATURE,
+ .Tag = MSInterfaceInfo->State.TransactionTag,
+ .DataTransferLength = ((uint32_t)Blocks * BlockSize),
+ .Flags = COMMAND_DIRECTION_DATA_IN,
+ .LUN = LUNIndex,
+ .SCSICommandLength = 10,
+ .SCSICommandData =
+ {
+ SCSI_CMD_READ_10,
+ 0x00, // Unused (control bits, all off)
+ (BlockAddress >> 24), // MSB of Block Address
+ (BlockAddress >> 16),
+ (BlockAddress >> 8),
+ (BlockAddress & 0xFF), // LSB of Block Address
+ 0x00, // Unused (reserved)
+ 0x00, // MSB of Total Blocks to Read
+ Blocks, // LSB of Total Blocks to Read
+ 0x00 // Unused (control)
+ }
+ };
+
+ if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock)) != PIPE_RWSTREAM_NoError)
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
+
+ if ((ErrorCode = MS_Host_WaitForDataReceived(MSInterfaceInfo)) != PIPE_RWSTREAM_NoError)
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
+
+ if ((ErrorCode = MS_Host_SendReceiveData(MSInterfaceInfo, &SCSICommandBlock, BlockBuffer)) != PIPE_RWSTREAM_NoError)
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
+
+ MS_CommandStatusWrapper_t SCSICommandStatus;
+ if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
+
+ if (SCSICommandStatus.Status != SCSI_Command_Pass)
+ ErrorCode = MS_ERROR_LOGICAL_CMD_FAILED;
+
+ return ErrorCode;
+}
+
+uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, uint32_t BlockAddress,
+ uint8_t Blocks, uint16_t BlockSize, void* BlockBuffer)
+{
+ if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))
+ return HOST_SENDCONTROL_DeviceDisconnect;
+
+ uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
+
+ MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
+ {
+ .Signature = CBW_SIGNATURE,
+ .Tag = MSInterfaceInfo->State.TransactionTag,
+ .DataTransferLength = ((uint32_t)Blocks * BlockSize),
+ .Flags = COMMAND_DIRECTION_DATA_OUT,
+ .LUN = LUNIndex,
+ .SCSICommandLength = 10,
+ .SCSICommandData =
+ {
+ SCSI_CMD_WRITE_10,
+ 0x00, // Unused (control bits, all off)
+ (BlockAddress >> 24), // MSB of Block Address
+ (BlockAddress >> 16),
+ (BlockAddress >> 8),
+ (BlockAddress & 0xFF), // LSB of Block Address
+ 0x00, // Unused (reserved)
+ 0x00, // MSB of Total Blocks to Write
+ Blocks, // LSB of Total Blocks to Write
+ 0x00 // Unused (control)
+ }
+ };
+
+ if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock)) != PIPE_RWSTREAM_NoError)
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
+
+ if ((ErrorCode = MS_Host_SendReceiveData(MSInterfaceInfo, &SCSICommandBlock, BlockBuffer)) != PIPE_RWSTREAM_NoError)
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
+
+ MS_CommandStatusWrapper_t SCSICommandStatus;
+ if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
+
+ if (SCSICommandStatus.Status != SCSI_Command_Pass)
+ ErrorCode = MS_ERROR_LOGICAL_CMD_FAILED;
+
+ return ErrorCode;
+}
#endif
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