/* Send the data in the OUT pipe to the attached device */\r
Pipe_ClearOUT();\r
\r
+ /* Wait until command has been sent */\r
while(!(Pipe_IsOUTReady()));\r
\r
/* Freeze pipe after use */\r
}\r
\r
/* Check to see if the device was disconnected, if so exit function */\r
- if (!(USB_IsConnected))\r
+ if (USB_HostState == HOST_STATE_Unattached)\r
return PIPE_RWSTREAM_DeviceDisconnected;\r
};\r
\r
/** Sends or receives the transaction's data stage to or from the attached device, reading or\r
* writing to the nominated buffer.\r
*\r
- * \param BufferPtr Pointer to the data buffer to read from or write to\r
+ * \param[in,out] BufferPtr Pointer to the data buffer to read from or write to\r
*\r
* \return A value from the Pipe_Stream_RW_ErrorCodes_t enum\r
*/\r
/* Acknowledge the packet */\r
Pipe_ClearOUT();\r
\r
- while (!(Pipe_IsOUTReady()));\r
+ while (!(Pipe_IsOUTReady()))\r
+ {\r
+ if (USB_HostState == HOST_STATE_Unattached)\r
+ return PIPE_RWSTREAM_DeviceDisconnected;\r
+ }\r
}\r
\r
/* Freeze used pipe after use */\r
/** Issues a Mass Storage class specific request to determine the index of the highest numbered Logical\r
* Unit in the attached device.\r
*\r
- * \param MaxLUNIndex Pointer to the location that the maximum LUN index value should be stored\r
+ * \param[out] MaxLUNIndex Pointer to the location that the maximum LUN index value should be stored\r
*\r
* \return A value from the USB_Host_SendControlErrorCodes_t enum\r
*/\r
return ErrorCode;\r
}\r
\r
+/** Issues a SCSI Inquiry command to the attached device, to determine the device's information. This\r
+ * gives information on the device's capabilities.\r
+ *\r
+ * \param[in] LUNIndex Index of the LUN inside the device the command is being addressed to\r
+ * \param[out] InquiryPtr Pointer to the inquiry data structure where the inquiry data from the device is to be stored\r
+ *\r
+ * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum\r
+ */\r
+uint8_t MassStore_Inquiry(const uint8_t LUNIndex, const SCSI_Inquiry_Response_t* const InquiryPtr)\r
+{\r
+ uint8_t ReturnCode = PIPE_RWSTREAM_NoError;\r
+\r
+ /* Create a CBW with a SCSI command to issue INQUIRY command */\r
+ SCSICommandBlock = (CommandBlockWrapper_t)\r
+ {\r
+ .Header =\r
+ {\r
+ .Signature = CBW_SIGNATURE,\r
+ .Tag = MassStore_Tag,\r
+ .DataTransferLength = sizeof(SCSI_Inquiry_Response_t),\r
+ .Flags = COMMAND_DIRECTION_DATA_IN,\r
+ .LUN = LUNIndex,\r
+ .SCSICommandLength = 6\r
+ },\r
+ \r
+ .SCSICommandData =\r
+ {\r
+ SCSI_CMD_INQUIRY,\r
+ 0x00, // Reserved\r
+ 0x00, // Reserved\r
+ 0x00, // Reserved\r
+ sizeof(SCSI_Inquiry_Response_t), // Allocation Length\r
+ 0x00 // Unused (control)\r
+ }\r
+ };\r
+ \r
+ /* Send SCSI command to the attached device */\r
+ MassStore_SendCommand();\r
+\r
+ /* Wait until data received from the device */\r
+ if ((ReturnCode = MassStore_WaitForDataReceived()) != PIPE_RWSTREAM_NoError)\r
+ {\r
+ Pipe_Freeze();\r
+ return ReturnCode;\r
+ }\r
+\r
+ /* Read the returned sense data into the buffer */\r
+ if ((ReturnCode = MassStore_SendReceiveData((uint8_t*)InquiryPtr)) != PIPE_RWSTREAM_NoError)\r
+ {\r
+ Pipe_Freeze();\r
+ return ReturnCode;\r
+ } \r
+ \r
+ /* Read in the returned CSW from the device */\r
+ if ((ReturnCode = MassStore_GetReturnedStatus()) != PIPE_RWSTREAM_NoError)\r
+ {\r
+ Pipe_Freeze();\r
+ return ReturnCode;\r
+ }\r
+ \r
+ return PIPE_RWSTREAM_NoError;\r
+}\r
+\r
/** Issues a SCSI Request Sense command to the attached device, to determine the current SCSI sense information. This\r
* gives error codes for the last issued SCSI command to the device.\r
*\r
- * \param LUNIndex Index of the LUN inside the device the command is being addressed to\r
- * \param SensePtr Pointer to the sense data structure where the sense data from the device is to be stored\r
+ * \param[in] LUNIndex Index of the LUN inside the device the command is being addressed to\r
+ * \param[out] SensePtr Pointer to the sense data structure where the sense data from the device is to be stored\r
*\r
* \return A value from the Pipe_Stream_RW_ErrorCodes_t enum\r
*/\r
/** Issues a SCSI Device Block Read command to the attached device, to read in one or more data blocks from the\r
* storage medium into a buffer.\r
*\r
- * \param LUNIndex Index of the LUN inside the device the command is being addressed to\r
- * \param BlockAddress Start block address to read from\r
- * \param Blocks Number of blocks to read from the device\r
- * \param BlockSize Size in bytes of each block to read\r
- * \param BufferPtr Pointer to the buffer where the read data is to be written to\r
+ * \param[in] LUNIndex Index of the LUN inside the device the command is being addressed to\r
+ * \param[in] BlockAddress Start block address to read from\r
+ * \param[in] Blocks Number of blocks to read from the device\r
+ * \param[in] BlockSize Size in bytes of each block to read\r
+ * \param[out] BufferPtr Pointer to the buffer where the read data is to be written to\r
*\r
* \return A value from the Pipe_Stream_RW_ErrorCodes_t enum\r
*/\r
/** Issues a SCSI Device Block Write command to the attached device, to write one or more data blocks to the\r
* storage medium from a buffer.\r
*\r
- * \param LUNIndex Index of the LUN inside the device the command is being addressed to\r
- * \param BlockAddress Start block address to write to\r
- * \param Blocks Number of blocks to write to in the device\r
- * \param BlockSize Size in bytes of each block to write\r
- * \param BufferPtr Pointer to the buffer where the write data is to be sourced from\r
+ * \param[in] LUNIndex Index of the LUN inside the device the command is being addressed to\r
+ * \param[in] BlockAddress Start block address to write to\r
+ * \param[in] Blocks Number of blocks to write to in the device\r
+ * \param[in] BlockSize Size in bytes of each block to write\r
+ * \param[in] BufferPtr Pointer to the buffer where the write data is to be sourced from\r
*\r
* \return A value from the Pipe_Stream_RW_ErrorCodes_t enum\r
*/\r
/** Issues a SCSI Device Test Unit Ready command to the attached device, to determine if the device is ready to accept\r
* other commands.\r
*\r
- * \param LUNIndex Index of the LUN inside the device the command is being addressed to\r
+ * \param[in] LUNIndex Index of the LUN inside the device the command is being addressed to\r
*\r
* \return A value from the Pipe_Stream_RW_ErrorCodes_t enum\r
*/\r
/** Issues a SCSI Device Read Capacity command to the attached device, to determine the capacity of the\r
* given Logical Unit within the device.\r
*\r
- * \param LUNIndex Index of the LUN inside the device the command is being addressed to\r
- * \param CapacityPtr Device capacity structure where the capacity data is to be stored\r
+ * \param[in] LUNIndex Index of the LUN inside the device the command is being addressed to\r
+ * \param[out] CapacityPtr Device capacity structure where the capacity data is to be stored\r
*\r
* \return A value from the Pipe_Stream_RW_ErrorCodes_t enum\r
*/\r
* being removed. This is a legacy command for SCSI disks with removable storage (such as ZIP disks), but should still\r
* be issued before the first read or write command is sent.\r
*\r
- * \param LUNIndex Index of the LUN inside the device the command is being addressed to\r
- * \param PreventRemoval Whether or not the LUN media should be locked to prevent removal or not\r
+ * \param[in] LUNIndex Index of the LUN inside the device the command is being addressed to\r
+ * \param[in] PreventRemoval Whether or not the LUN media should be locked to prevent removal or not\r
*\r
* \return A value from the Pipe_Stream_RW_ErrorCodes_t enum\r
*/\r
projects / pub / USBasp.git / blobdiff