Add new MIDIHost LowLevel demo application.
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / StillImage.h
index 7e33fc4..9ba10e9 100644 (file)
                #endif\r
 \r
        /* Public Interface - May be used in end-application: */\r
+               /* Macros: */\r
+                       /** Error code for some Still Image Host functions, indicating a logical (and not hardware) error */\r
+                       #define SI_ERROR_LOGICAL_CMD_FAILED              0x80\r
+\r
                /* Type Defines: */\r
                        typedef struct\r
                        {\r
                         *\r
                         *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state\r
                         */\r
-                       void SI_Host_USBTask(USB_ClassInfo_SI_Host_t* SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
+                       void SI_Host_USBTask(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
 \r
 \r
                        /** Host interface configuration routine, to configure a given Still Image host interface instance using the\r
                         *  the host state machine is in the Addressed state.\r
                         *\r
                         *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state\r
-                        *  \param[in] ConfigDescriptorLength  Length of the attached device's Configuration Descriptor\r
+                        *  \param[in] ConfigDescriptorSize  Length of the attached device's Configuration Descriptor\r
                         *  \param[in] DeviceConfigDescriptor  Pointer to a buffer containing the attached device's Configuration Descriptor\r
                         *\r
                         *  \return A value from the \ref SIHost_EnumerationFailure_ErrorCodes_t enum\r
                         */\r
-                       uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* SIInterfaceInfo, uint16_t ConfigDescriptorLength,\r
+                       uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, uint16_t ConfigDescriptorSize,\r
                                            uint8_t* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1, 3);\r
 \r
-                       uint8_t SImage_Host_OpenSession(USB_ClassInfo_SI_Host_t* SIInterfaceInfo);\r
-                       uint8_t SImage_Host_CloseSession(USB_ClassInfo_SI_Host_t* SIInterfaceInfo);\r
+                       /** Opens a new PIMA session with the attached device. This should be used before any session-orientated PIMA commands\r
+                        *  are issued to the device. Only one session can be open at the one time.\r
+                        *                       \r
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state\r
+                        *\r
+                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device\r
+                        *          returned a logical command failure\r
+                        */\r
+                       uint8_t SImage_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
+\r
+                       /** Closes an already opened PIMA session with the attached device. This should be used after all session-orientated\r
+                        *  PIMA commands have been issued to the device.\r
+                        *                       \r
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state\r
+                        *\r
+                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device\r
+                        *          returned a logical command failure\r
+                        */\r
+                       uint8_t SImage_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
+\r
+                       /** Sends a given PIMA command to the attached device, filling out the PIMA command header automatically as required.\r
+                        *                       \r
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state\r
+                        *  \param[in] Operation  PIMA operation code to issue to the device\r
+                        *  \param[in] TotalParams  Total number of 32-bit parameters to send to the device in the issued command block\r
+                        *  \param[in] Params  Pointer to an array of 32-bit values containing the parameters to send in the command block\r
+                        *\r
+                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device\r
+                        *          returned a logical command failure\r
+                        */\r
+                       uint8_t SImage_Host_SendCommand(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, const uint16_t Operation,\r
+                                                       const uint8_t TotalParams, uint32_t* Params) ATTR_NON_NULL_PTR_ARG(1);\r
+\r
+                       /** Receives and checks a response block from the attached PIMA device, once a command has been issued and all data\r
+                        *  associated with the command has been transferred.\r
+                        *                       \r
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state\r
+                        *\r
+                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device\r
+                        *          returned a logical command failure\r
+                        */\r
+                       uint8_t SImage_Host_ReceiveResponse(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
+\r
+                       /** Indicates if the device has issued a PIMA event block to the host via the asynchronous events pipe.\r
+                        *\r
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state\r
+                        *\r
+                        *  \return Boolean true if an event is waiting to be read, false otherwise\r
+                        */\r
+                       bool SImage_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
+\r
+                       /** Receives an asynchronous event block from the device via the asynchronous events pipe.\r
+                        *\r
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state\r
+                        *  \param[out] PIMAHeader  Pointer to a PIMA container structure where the event should be stored\r
+                        *\r
+                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device\r
+                        *          returned a logical command failure\r
+                        */\r
+                       uint8_t SImage_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,\r
+                                                                  SI_PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1, 2);\r
+                       \r
+                       /** Sends arbitrary data to the attached device, for use in the data phase of PIMA commands which require data\r
+                        *  transfer beyond the regular PIMA command block parameters.\r
+                        *\r
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state\r
+                        *  \param[in] Buffer  Pointer to a buffer where the data to send has been stored\r
+                        *  \param[in] Bytes  Length in bytes of the data in the buffer to send to the attached device\r
+                        *\r
+                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum\r
+                        */\r
+                       uint8_t SImage_Host_SendData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, void* Buffer,\r
+                                                    const uint16_t Bytes) ATTR_NON_NULL_PTR_ARG(1, 2);\r
+\r
+                       /** Receives arbitrary data from the attached device, for use in the data phase of PIMA commands which require data\r
+                        *  transfer beyond the regular PIMA command block parameters.\r
+                        *\r
+                        *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state\r
+                        *  \param[out] Buffer  Pointer to a buffer where the received data is to be stored\r
+                        *  \param[in] Bytes  Length in bytes of the data to read\r
+                        *\r
+                        *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum\r
+                        */\r
+                       uint8_t SImage_Host_ReadData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, void* Buffer,\r
+                                                    const uint16_t Bytes) ATTR_NON_NULL_PTR_ARG(1, 2);\r
                        \r
        /* Private Interface - For use in library only: */\r
        #if !defined(__DOXYGEN__)\r
                                                                           SI_PIMA_Container_t* PIMAHeader);\r
                                static uint8_t SImage_Host_ReceiveBlockHeader(USB_ClassInfo_SI_Host_t* SIInterfaceInfo,\r
                                                                              SI_PIMA_Container_t* PIMAHeader);\r
-                               static uint8_t SImage_Host_SendData(USB_ClassInfo_SI_Host_t* SIInterfaceInfo, void* Buffer, uint16_t Bytes);\r
-                               static uint8_t SImage_Host_ReadData(USB_ClassInfo_SI_Host_t* SIInterfaceInfo, void* Buffer, uint16_t Bytes);\r
-                               static bool SImage_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* SIInterfaceInfo);\r
-                               static uint8_t SImage_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* SIInterfaceInfo,\r
-                                                                             SI_PIMA_Container_t* PIMAHeader);\r
                        #endif\r
        #endif\r
        \r