]> git.donarmstrong.com Git - qmk_firmware.git/blobdiff - lib/lufa/LUFA/Drivers/USB/Class/Device/MassStorageClassDevice.h
Merge commit '60b30c036397cb5627fa374bb930794b225daa29' as 'lib/lufa'
[qmk_firmware.git] / lib / lufa / LUFA / Drivers / USB / Class / Device / MassStorageClassDevice.h
diff --git a/lib/lufa/LUFA/Drivers/USB/Class/Device/MassStorageClassDevice.h b/lib/lufa/LUFA/Drivers/USB/Class/Device/MassStorageClassDevice.h
new file mode 100644 (file)
index 0000000..12b54f8
--- /dev/null
@@ -0,0 +1,161 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaims all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *  \brief Device mode driver for the library USB Mass Storage Class driver.
+ *
+ *  Device mode driver for the library USB Mass Storage Class driver.
+ *
+ *  \note This file should not be included directly. It is automatically included as needed by the USB module driver
+ *        dispatch header located in LUFA/Drivers/USB.h.
+ */
+
+/** \ingroup Group_USBClassMS
+ *  \defgroup Group_USBClassMSDevice Mass Storage Class Device Mode Driver
+ *
+ *  \section Sec_USBClassMSDevice_Dependencies Module Source Dependencies
+ *  The following files must be built with any user project that uses this module:
+ *    - LUFA/Drivers/USB/Class/Device/MassStorageClassDevice.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
+ *
+ *  \section Sec_USBClassMSDevice_ModDescription Module Description
+ *  Device Mode USB Class driver framework interface, for the Mass Storage USB Class driver.
+ *
+ *  @{
+ */
+
+#ifndef _MS_CLASS_DEVICE_H_
+#define _MS_CLASS_DEVICE_H_
+
+       /* Includes: */
+               #include "../../USB.h"
+               #include "../Common/MassStorageClassCommon.h"
+
+       /* Enable C linkage for C++ Compilers: */
+               #if defined(__cplusplus)
+                       extern "C" {
+               #endif
+
+       /* Preprocessor Checks: */
+               #if !defined(__INCLUDE_FROM_MS_DRIVER)
+                       #error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+               #endif
+
+       /* Public Interface - May be used in end-application: */
+               /* Type Defines: */
+                       /** \brief Mass Storage Class Device Mode Configuration and State Structure.
+                        *
+                        *  Class state structure. An instance of this structure should be made for each Mass Storage interface
+                        *  within the user application, and passed to each of the Mass Storage class driver functions as the
+                        *  \c MSInterfaceInfo parameter. This stores each Mass Storage interface's configuration and state information.
+                        */
+                       typedef struct
+                       {
+                               struct
+                               {
+                                       uint8_t  InterfaceNumber; /**< Interface number of the Mass Storage interface within the device. */
+
+                                       USB_Endpoint_Table_t DataINEndpoint; /**< Data IN endpoint configuration table. */
+                                       USB_Endpoint_Table_t DataOUTEndpoint; /**< Data OUT endpoint configuration table. */
+
+                                       uint8_t  TotalLUNs; /**< Total number of logical drives in the Mass Storage interface. */
+                               } Config; /**< Config data for the USB class interface within the device. All elements in this section
+                                          *   <b>must</b> be set or the interface will fail to enumerate and operate correctly.
+                                          */
+                               struct
+                               {
+                                       MS_CommandBlockWrapper_t  CommandBlock; /**< Mass Storage class command block structure, stores the received SCSI
+                                                                                                                        *   command from the host which is to be processed.
+                                                                                                                        */
+                                       MS_CommandStatusWrapper_t CommandStatus; /**< Mass Storage class command status structure, set elements to indicate
+                                                                                                                         *   the issued command's success or failure to the host.
+                                                                                                                         */
+                                       volatile bool IsMassStoreReset; /**< Flag indicating that the host has requested that the Mass Storage interface be reset
+                                                                                                *   and that all current Mass Storage operations should immediately abort.
+                                                                                                */
+                               } State; /**< State data for the USB class interface within the device. All elements in this section
+                                         *   are reset to their defaults when the interface is enumerated.
+                                         */
+                       } USB_ClassInfo_MS_Device_t;
+
+               /* Function Prototypes: */
+                       /** Configures the endpoints of a given Mass Storage interface, ready for use. This should be linked to the library
+                        *  \ref EVENT_USB_Device_ConfigurationChanged() event so that the endpoints are configured when the configuration
+                        *  containing the given Mass Storage interface is selected.
+                        *
+                        *  \param[in,out] MSInterfaceInfo  Pointer to a structure containing a Mass Storage Class configuration and state.
+                        *
+                        *  \return Boolean \c true if the endpoints were successfully configured, \c false otherwise.
+                        */
+                       bool MS_Device_ConfigureEndpoints(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
+                       /** Processes incoming control requests from the host, that are directed to the given Mass Storage class interface. This should be
+                        *  linked to the library \ref EVENT_USB_Device_ControlRequest() event.
+                        *
+                        *  \param[in,out] MSInterfaceInfo  Pointer to a structure containing a Mass Storage Class configuration and state.
+                        */
+                       void MS_Device_ProcessControlRequest(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
+                       /** General management task for a given Mass Storage class interface, required for the correct operation of the interface. This should
+                        *  be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
+                        *
+                        *  \param[in,out] MSInterfaceInfo  Pointer to a structure containing a Mass Storage configuration and state.
+                        */
+                       void MS_Device_USBTask(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
+                       /** Mass Storage class driver callback for the user processing of a received SCSI command. This callback will fire each time the
+                        *  host sends a SCSI command which requires processing by the user application. Inside this callback the user is responsible
+                        *  for the processing of the received SCSI command from the host. The SCSI command is available in the CommandBlock structure
+                        *  inside the Mass Storage class state structure passed as a parameter to the callback function.
+                        *
+                        *  \param[in,out] MSInterfaceInfo  Pointer to a structure containing a Mass Storage Class configuration and state.
+                        *
+                        *  \return Boolean \c true if the SCSI command was successfully processed, \c false otherwise.
+                        */
+                       bool CALLBACK_MS_Device_SCSICommandReceived(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
+       /* Private Interface - For use in library only: */
+       #if !defined(__DOXYGEN__)
+               /* Function Prototypes: */
+                       #if defined(__INCLUDE_FROM_MASSSTORAGE_DEVICE_C)
+                               static void MS_Device_ReturnCommandStatus(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+                               static bool MS_Device_ReadInCommandBlock(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+                       #endif
+
+       #endif
+
+       /* Disable C linkage for C++ Compilers: */
+               #if defined(__cplusplus)
+                       }
+               #endif
+
+#endif
+
+/** @} */
+