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Fixed random enumeration failure while in device mode due to interrupts causing the...
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / StillImage.h
diff --git a/LUFA/Drivers/USB/Class/Host/StillImage.h b/LUFA/Drivers/USB/Class/Host/StillImage.h
index f3b0b06..319b72a 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/StillImage.h
+++ b/LUFA/Drivers/USB/Class/Host/StillImage.h
@@ -42,7 +42,7 @@
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
  *
  *  \section Sec_Dependencies Module Source Dependencies
  *  The following files must be built with any user project that uses this module:
- *    - LUFA/Drivers/USB/Class/Host/StillImage.c
+ *    - LUFA/Drivers/USB/Class/Host/StillImage.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
  *
  *  \section Module Description
  *  Host Mode USB Class driver framework interface, for the Still Image USB Class driver.
  *
  *  \section Module Description
  *  Host Mode USB Class driver framework interface, for the Still Image USB Class driver.
@@ -83,30 +83,31 @@
                        {
                                const struct
                                {
                        {
                                const struct
                                {
-                                       uint8_t  DataINPipeNumber; /**< Pipe number of the Still Image interface's IN data pipe */
-                                       bool     DataINPipeDoubleBank; /**< Indicates if the Still Image interface's IN data pipe should use double banking */
+                                       uint8_t  DataINPipeNumber; /**< Pipe number of the Still Image interface's IN data pipe. */
+                                       bool     DataINPipeDoubleBank; /**< Indicates if the Still Image interface's IN data pipe should use double banking. */
 
 
-                                       uint8_t  DataOUTPipeNumber; /**< Pipe number of the Still Image interface's OUT data pipe */
-                                       bool     DataOUTPipeDoubleBank; /**< Indicates if the Still Image interface's OUT data pipe should use double banking */
+                                       uint8_t  DataOUTPipeNumber; /**< Pipe number of the Still Image interface's OUT data pipe. */
+                                       bool     DataOUTPipeDoubleBank; /**< Indicates if the Still Image interface's OUT data pipe should use double banking. */
 
 
-                                       uint8_t  EventsPipeNumber; /**< Pipe number of the Still Image interface's IN events endpoint, if used */                       
-                                       bool     EventsPipeDoubleBank; /**< Indicates if the Still Image interface's events data pipe should use double banking */
+                                       uint8_t  EventsPipeNumber; /**< Pipe number of the Still Image interface's IN events endpoint, if used. */                      
+                                       bool     EventsPipeDoubleBank; /**< Indicates if the Still Image interface's events data pipe should use double banking. */
                                } 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
                                {
                                } 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
                                {
-                                       bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
-                                                       *   after \ref SImage_Host_ConfigurePipes() is called and the Host state machine is in the
-                                                       *   Configured state
-                                                       */
+                                       bool     IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
+                                                           *   after \ref SI_Host_ConfigurePipes() is called and the Host state machine is in the
+                                                           *   Configured state.
+                                                           */
+                                       uint8_t  InterfaceNumber; /**< Interface index of the Mass Storage interface within the attached device. */
 
 
-                                       uint16_t DataINPipeSize; /**< Size in bytes of the Still Image interface's IN data pipe */
-                                       uint16_t DataOUTPipeSize;  /**< Size in bytes of the Still Image interface's OUT data pipe */
-                                       uint16_t EventsPipeSize;  /**< Size in bytes of the Still Image interface's IN events pipe */
+                                       uint16_t DataINPipeSize; /**< Size in bytes of the Still Image interface's IN data pipe. */
+                                       uint16_t DataOUTPipeSize;  /**< Size in bytes of the Still Image interface's OUT data pipe. */
+                                       uint16_t EventsPipeSize;  /**< Size in bytes of the Still Image interface's IN events pipe. */
                                        
                                        
-                                       bool IsSessionOpen; /**< Indicates if a PIMA session is currently open with the attached device */
-                                       uint32_t TransactionID; /**< Transaction ID for the next transaction to send to the device */
+                                       bool IsSessionOpen; /**< Indicates if a PIMA session is currently open with the attached device. */
+                                       uint32_t TransactionID; /**< Transaction ID for the next transaction to send to the device. */
                                } State; /**< State data for the USB class interface within the device. All elements in this section
                                                  *   <b>may</b> be set to initial values, but may also be ignored to default to sane values when
                                                  *   the interface is enumerated.
                                } State; /**< State data for the USB class interface within the device. All elements in this section
                                                  *   <b>may</b> be set to initial values, but may also be ignored to default to sane values when
                                                  *   the interface is enumerated.
@@ -114,16 +115,13 @@
                        } USB_ClassInfo_SI_Host_t;
        
                /* Enums: */
                        } USB_ClassInfo_SI_Host_t;
        
                /* Enums: */
-                       /** Enum for the possible error codes returned by the \ref SImage_Host_ConfigurePipes() function. */
-                       enum SIHost_EnumerationFailure_ErrorCodes_t
+                       /** Enum for the possible error codes returned by the \ref SI_Host_ConfigurePipes() function. */
+                       enum SI_Host_EnumerationFailure_ErrorCodes_t
                        {
                        {
-                               SI_ENUMERROR_NoError                    = 0, /**< Configuration Descriptor was processed successfully */
-                               SI_ENUMERROR_InvalidConfigDescriptor    = 1, /**< The device returned an invalid Configuration Descriptor */
-                               SI_ENUMERROR_NoSIInterfaceFound         = 2, /**< A compatible Still Image interface was not found in the device's
-                                                                            *   Configuration Descriptor
-                                                                            */
-                               SI_ENUMERROR_EndpointsNotFound          = 3, /**< Compatible Still Image data endpoints were not found in the
-                                                                             *   device's Still Image interface
+                               SI_ENUMERROR_NoError                    = 0, /**< Configuration Descriptor was processed successfully. */
+                               SI_ENUMERROR_InvalidConfigDescriptor    = 1, /**< The device returned an invalid Configuration Descriptor. */
+                               SI_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible Still Image interface was not found in the device's
+                                                                             *   Configuration Descriptor.
                                                                              */
                        };
 
                                                                              */
                        };
 
@@ -134,161 +132,174 @@
                         *  found within the device. This should be called once after the stack has enumerated the attached device, while
                         *  the host state machine is in the Addressed state.
                         *
                         *  found within the device. This should be called once after the stack has enumerated the attached device, while
                         *  the host state machine is in the Addressed state.
                         *
-                        *  \param[in,out] SIInterfaceInfo         Pointer to a structure containing a Still Image Class host configuration and state
-                        *  \param[in]     ConfigDescriptorSize    Length of the attached device's Configuration Descriptor
-                        *  \param[in]     DeviceConfigDescriptor  Pointer to a buffer containing the attached device's Configuration Descriptor
+                        *  \note The pipe index numbers as given in the interface's configuration structure must not overlap with any other
+                        *        interface, or pipe bank corruption will occur. Gaps in the allocated pipe numbers or non-sequential indexes
+                        *        within a single interface is allowed, but no two interfaces of any type have have interleaved pipe indexes.
                         *
                         *
-                        *  \return A value from the \ref SIHost_EnumerationFailure_ErrorCodes_t enum
+                        *  \param[in,out] SIInterfaceInfo       Pointer to a structure containing a Still Image Class host configuration and state.
+                        *  \param[in]     ConfigDescriptorSize  Length of the attached device's Configuration Descriptor.
+                        *  \param[in]     ConfigDescriptorData  Pointer to a buffer containing the attached device's Configuration Descriptor.
+                        *
+                        *  \return A value from the \ref SI_Host_EnumerationFailure_ErrorCodes_t enum.
                         */
                         */
-                       uint8_t SImage_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, uint16_t ConfigDescriptorSize,
-                                               void* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
+                       uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
+                                                      uint16_t ConfigDescriptorSize,
+                                                      void* ConfigDescriptorData) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
 
                        /** Opens a new PIMA session with the attached device. This should be used before any session-orientated PIMA commands
                         *  are issued to the device. Only one session can be open at the one time.
                         *      
 
                        /** Opens a new PIMA session with the attached device. This should be used before any session-orientated PIMA commands
                         *  are issued to the device. Only one session can be open at the one time.
                         *      
-                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
-                        *        call will fail.
+                        *  \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+                        *       call will fail.
                         *
                         *
-                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
                         *
                         *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
                         *
                         *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
-                        *          returned a logical command failure
+                        *          returned a logical command failure.
                         */
                         */
-                       uint8_t SImage_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+                       uint8_t SI_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 
                        /** Closes an already opened PIMA session with the attached device. This should be used after all session-orientated
                         *  PIMA commands have been issued to the device.
                         *
 
                        /** Closes an already opened PIMA session with the attached device. This should be used after all session-orientated
                         *  PIMA commands have been issued to the device.
                         *
-                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
-                        *        call will fail.
+                        *  \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+                        *       call will fail.
                         *
                         *
-                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
                         *
                         *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
                         *
                         *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
-                        *          returned a logical command failure
+                        *          returned a logical command failure.
                         */
                         */
-                       uint8_t SImage_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+                       uint8_t SI_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 
                        /** Sends a raw PIMA block header to the device, filling out the transaction ID automatically. This can be used to send
                         *  arbitrary PIMA blocks to the device with or without parameters.
                         *
 
                        /** Sends a raw PIMA block header to the device, filling out the transaction ID automatically. This can be used to send
                         *  arbitrary PIMA blocks to the device with or without parameters.
                         *
-                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
-                        *        call will fail.
+                        *  \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+                        *       call will fail.
                         *
                         *
-                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state
-                        *  \param[in]     PIMAHeader       Pointer to a PIMA container structure that is to be sent
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
+                        *  \param[in]     PIMAHeader       Pointer to a PIMA container structure that is to be sent.
                         *
                         *
-                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum
+                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
                         */
                         */
-                       uint8_t SImage_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, SI_PIMA_Container_t* const PIMAHeader);
+                       uint8_t SI_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
+                                                       SI_PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1)
+                                                       ATTR_NON_NULL_PTR_ARG(2);
                        
                        /** Receives a raw PIMA block header to the device. This can be used to receive arbitrary PIMA blocks from the device with
                         *  or without parameters.
                         *
                        
                        /** Receives a raw PIMA block header to the device. This can be used to receive arbitrary PIMA blocks from the device with
                         *  or without parameters.
                         *
-                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
-                        *        call will fail.
+                        *  \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+                        *       call will fail.
                         *
                         *
-                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state
-                        *  \param[out]    PIMAHeader       Pointer to a PIMA container structure where the received block is to be stored
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
+                        *  \param[out]    PIMAHeader       Pointer to a PIMA container structure where the received block is to be stored.
                         *
                         *
-                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum
+                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
                         */
                         */
-                       uint8_t SImage_Host_ReceiveBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, SI_PIMA_Container_t* const PIMAHeader);
+                       uint8_t SI_Host_ReceiveBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
+                                                          SI_PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1)
+                                                          ATTR_NON_NULL_PTR_ARG(2);
 
                        /** Sends a given PIMA command to the attached device, filling out the PIMA command header's Transaction ID automatically.
                         *      
 
                        /** Sends a given PIMA command to the attached device, filling out the PIMA command header's Transaction ID automatically.
                         *      
-                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
-                        *        call will fail.
+                        *  \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+                        *       call will fail.
                         *
                         *
-                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state
-                        *  \param[in]     Operation        PIMA operation code to issue to the device
-                        *  \param[in]     TotalParams      Total number of 32-bit parameters to send to the device in the issued command block
-                        *  \param[in]     Params           Pointer to an array of 32-bit values containing the parameters to send in the command block
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
+                        *  \param[in]     Operation        PIMA operation code to issue to the device.
+                        *  \param[in]     TotalParams      Total number of 32-bit parameters to send to the device in the issued command block.
+                        *  \param[in]     Params           Pointer to an array of 32-bit values containing the parameters to send in the command block.
                         *
                         *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
                         *
                         *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
-                        *          returned a logical command failure
+                        *          returned a logical command failure.
                         */
                         */
-                       uint8_t SImage_Host_SendCommand(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, const uint16_t Operation,
-                                                       const uint8_t TotalParams, uint32_t* Params) ATTR_NON_NULL_PTR_ARG(1);
+                       uint8_t SI_Host_SendCommand(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
+                                                   const uint16_t Operation,
+                                                   const uint8_t TotalParams,
+                                                   uint32_t* const Params) ATTR_NON_NULL_PTR_ARG(1);
 
                        /** Receives and checks a response block from the attached PIMA device, once a command has been issued and all data
                         *  associated with the command has been transferred.
 
                        /** Receives and checks a response block from the attached PIMA device, once a command has been issued and all data
                         *  associated with the command has been transferred.
-                        *      
-                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
-                        *        call will fail.
                         *
                         *
-                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state
+                        *  \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+                        *       call will fail.
+                        *
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
                         *
                         *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
                         *
                         *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
-                        *          returned a logical command failure
+                        *          returned a logical command failure.
                         */
                         */
-                       uint8_t SImage_Host_ReceiveResponse(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+                       uint8_t SI_Host_ReceiveResponse(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 
                        /** Indicates if the device has issued a PIMA event block to the host via the asynchronous events pipe.
                         *
 
                        /** Indicates if the device has issued a PIMA event block to the host via the asynchronous events pipe.
                         *
-                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
-                        *        call will fail.
+                        *  \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+                        *       call will fail.
                         *
                         *
-                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
                         *
                         *
-                        *  \return Boolean true if an event is waiting to be read, false otherwise
+                        *  \return Boolean true if an event is waiting to be read, false otherwise.
                         */
                         */
-                       bool SImage_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+                       bool SI_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 
                        /** Receives an asynchronous event block from the device via the asynchronous events pipe.
                         *
 
                        /** Receives an asynchronous event block from the device via the asynchronous events pipe.
                         *
-                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
-                        *        call will fail.
+                        *  \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+                        *       call will fail.
                         *
                         *
-                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state
-                        *  \param[out]    PIMAHeader       Pointer to a PIMA container structure where the event should be stored
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
+                        *  \param[out]    PIMAHeader       Pointer to a PIMA container structure where the event should be stored.
                         *
                         *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
                         *
                         *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
-                        *          returned a logical command failure
+                        *          returned a logical command failure.
                         */
                         */
-                       uint8_t SImage_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
-                                                                  SI_PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1)
-                                                              ATTR_NON_NULL_PTR_ARG(2);
+                       uint8_t SI_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
+                                                          SI_PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1)
+                                                          ATTR_NON_NULL_PTR_ARG(2);
                        
                        /** Sends arbitrary data to the attached device, for use in the data phase of PIMA commands which require data
                         *  transfer beyond the regular PIMA command block parameters.
                         *
                        
                        /** Sends arbitrary data to the attached device, for use in the data phase of PIMA commands which require data
                         *  transfer beyond the regular PIMA command block parameters.
                         *
-                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
-                        *        call will fail.
+                        *  \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+                        *       call will fail.
                         *
                         *
-                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state
-                        *  \param[in]     Buffer           Pointer to a buffer where the data to send has been stored
-                        *  \param[in]     Bytes            Length in bytes of the data in the buffer to send to the attached device
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
+                        *  \param[in]     Buffer           Pointer to a buffer where the data to send has been stored.
+                        *  \param[in]     Bytes            Length in bytes of the data in the buffer to send to the attached device.
                         *
                         *
-                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum
+                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
                         */
                         */
-                       uint8_t SImage_Host_SendData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, void* Buffer,
-                                                    const uint16_t Bytes) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
+                       uint8_t SI_Host_SendData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
+                                                void* Buffer,
+                                                const uint16_t Bytes) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
 
                        /** Receives arbitrary data from the attached device, for use in the data phase of PIMA commands which require data
                         *  transfer beyond the regular PIMA command block parameters.
                         *
 
                        /** Receives arbitrary data from the attached device, for use in the data phase of PIMA commands which require data
                         *  transfer beyond the regular PIMA command block parameters.
                         *
-                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
-                        *        call will fail.
+                        *  \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
+                        *       call will fail.
                         *
                         *
-                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state
-                        *  \param[out]    Buffer           Pointer to a buffer where the received data is to be stored
-                        *  \param[in]     Bytes            Length in bytes of the data to read
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
+                        *  \param[out]    Buffer           Pointer to a buffer where the received data is to be stored.
+                        *  \param[in]     Bytes            Length in bytes of the data to read.
                         *
                         *
-                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum
+                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
                         */
                         */
-                       uint8_t SImage_Host_ReadData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, void* Buffer,
-                                                    const uint16_t Bytes) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
+                       uint8_t SI_Host_ReadData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
+                                                void* Buffer,
+                                                const uint16_t Bytes) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
                
                /* Inline Functions: */
                        /** General management task for a given Still Image host 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().
                         *
                
                /* Inline Functions: */
                        /** General management task for a given Still Image host 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] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
                         */
                         */
-                       static inline void SImage_Host_USBTask(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo);
-                       static inline void SImage_Host_USBTask(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
+                       static inline void SI_Host_USBTask(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+                       static inline void SI_Host_USBTask(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
                        {
                                (void)SIInterfaceInfo;
                        }               
                        {
                                (void)SIInterfaceInfo;
                        }               
@@ -300,10 +311,6 @@
                        #define STILL_IMAGE_SUBCLASS           0x01
                        #define STILL_IMAGE_PROTOCOL           0x01
 
                        #define STILL_IMAGE_SUBCLASS           0x01
                        #define STILL_IMAGE_PROTOCOL           0x01
 
-                       #define SI_FOUND_EVENTS_IN             (1 << 0)
-                       #define SI_FOUND_DATAPIPE_IN           (1 << 1)
-                       #define SI_FOUND_DATAPIPE_OUT          (1 << 2)
-
                        #define COMMAND_DATA_TIMEOUT_MS        10000
                
                /* Function Prototypes: */
                        #define COMMAND_DATA_TIMEOUT_MS        10000
                
                /* Function Prototypes: */
USB isp AVR programmer