Speed up calls to Pipe_IsPipeBound() by immediately skipping unconfigured pipes,...
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / StillImage.h
index be33579..1feddb8 100644 (file)
@@ -69,7 +69,7 @@
                
        /* Public Interface - May be used in end-application: */
                /* Macros: */
-                       /** Error code for some Still Image Host functions, indicating a logical (and not hardware) error */
+                       /** Error code for some Still Image Host functions, indicating a logical (and not hardware) error. */
                        #define SI_ERROR_LOGICAL_CMD_FAILED              0x80
 
                /* Type Defines: */
                                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 */
+                                       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 */
+                                       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 */
+                                       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.
                                           */
                                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
-                                                                            */
+                                                                             *   Configuration Descriptor
+                                                                             */
                                SI_ENUMERROR_EndpointsNotFound          = 3, /**< Compatible Still Image data endpoints were not found in the
                                                                              *   device's Still Image interface
                                                                              */
                         *  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
+                        *  \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
                         *
                         *  \return A value from the \ref SIHost_EnumerationFailure_ErrorCodes_t enum
                         */
                         *        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]     PIMAHeader       Pointer to a PIMA container structure that is to be sent
                         *
                         *  \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 SImage_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.
                         *        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[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
                         */
-                       uint8_t SImage_Host_ReceiveBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, SI_PIMA_Container_t* const PIMAHeader);
+                       uint8_t SImage_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.
                         *      
                         *        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]     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
                         *          returned a logical command failure
                         *        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[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
                         *          returned a logical command failure
                         *        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]     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
                         */
                         *        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[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
                         */
                         *
                         *  \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) ATTR_NON_NULL_PTR_ARG(1);
                        static inline void SImage_Host_USBTask(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
                        {
                                (void)SIInterfaceInfo;
                
                /* Function Prototypes: */
                        #if defined(__INCLUDE_FROM_SI_CLASS_HOST_C)
-                               static uint8_t DComp_SI_Host_NextSIInterface(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);
-                               static uint8_t DComp_SI_Host_NextSIInterfaceEndpoint(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);
+                               static uint8_t DCOMP_SI_Host_NextSIInterface(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);
+                               static uint8_t DCOMP_SI_Host_NextSIInterfaceEndpoint(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);
                        #endif
        #endif