X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/afe6ae14023c7040befe73e49d00077d3425c564..16ea5aa7a2e5f326f8ff129e740a19bb3fb7829f:/LUFA/Drivers/USB/Class/Host/StillImage.h?ds=sidebyside
diff --git a/LUFA/Drivers/USB/Class/Host/StillImage.h b/LUFA/Drivers/USB/Class/Host/StillImage.h
index b522fb7e6..b6a24757c 100644
--- a/LUFA/Drivers/USB/Class/Host/StillImage.h
+++ b/LUFA/Drivers/USB/Class/Host/StillImage.h
@@ -1,21 +1,21 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2009.
+     Copyright (C) Dean Camera, 2010.
               
   dean [at] fourwalledcubicle [dot] com
       www.fourwalledcubicle.com
 */
 
 /*
-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
-  Permission to use, copy, modify, and distribute this software
-  and its documentation for any purpose and without fee is hereby
-  granted, 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
+  Copyright 2010  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 disclaim all warranties with regard to this
@@ -28,9 +28,13 @@
   this software.
 */
 
-/** \ingroup Group_USBClassStillImage
+/** \ingroup Group_USBClassSI
  *  @defgroup Group_USBClassStillImageHost Still Image Class Host Mode Driver
  *
+ *  \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
+ *
  *  \section Module Description
  *  Host Mode USB Class driver framework interface, for the Still Image USB Class driver.
  *
@@ -49,8 +53,246 @@
 			extern "C" {
 		#endif
 
-	/* Function Prototypes: */
+	/* Public Interface - May be used in end-application: */
+		/* Macros: */
+			/** Error code for some Still Image Host functions, indicating a logical (and not hardware) error */
+			#define SI_ERROR_LOGICAL_CMD_FAILED              0x80
+
+		/* Type Defines: */
+			typedef 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  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 */
+				} Config; /**< Config data for the USB class interface within the device. All elements in this section
+				           *   must 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
+					                */
+
+					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 */
+				} State; /**< State data for the USB class interface within the device. All elements in this section
+						  *   may be set to initial values, but may also be ignored to default to sane values when
+						  *   the interface is enumerated.
+						  */
+			} 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
+			{
+				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
+				                                              */
+			};
+
+		/* Function Prototypes: */
+			/** Host interface configuration routine, to configure a given Still Image host interface instance using the
+			 *  Configuration Descriptor read from an attached USB device. This function automatically updates the given Still
+			 *  Image Host instance's state values and configures the pipes required to communicate with the interface if it is
+			 *  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
+			 *
+			 *  \return A value from the \ref SIHost_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);
+
+			/** 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.
+			 *
+			 *  \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
+			 *          returned a logical command failure
+			 */
+			uint8_t SImage_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.
+			 *
+			 *  \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
+			 *
+			 *  \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
+			 */
+			uint8_t SImage_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.
+			 *
+			 *  \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
+			 *  \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);
+			
+			/** 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.
+			 *
+			 *  \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
+			 */
+			uint8_t SImage_Host_ReceiveBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, SI_PIMA_Container_t* const PIMAHeader);
+
+			/** 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.
+			 *
+			 *  \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
+			 *          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);
+
+			/** 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
+			 *
+			 *  \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
+			 */
+			uint8_t SImage_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.
+			 *
+			 *  \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
+			 *
+			 *  \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);
+
+			/** 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.
+			 *
+			 *  \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
+			 *          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);
+			
+			/** 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.
+			 *
+			 *  \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
+			 */
+			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);
+
+			/** 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.
+			 *
+			 *  \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
+			 */
+			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);
+		
+		/* 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
+			 */
+			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)
+			{
+				(void)SIInterfaceInfo;
+			}		
+
+	/* Private Interface - For use in library only: */
+	#if !defined(__DOXYGEN__)
+		/* Macros: */
+			#define STILL_IMAGE_CLASS              0x06
+			#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: */
+			#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);
+			#endif
+	#endif
+	
 	/* Disable C linkage for C++ Compilers: */
 		#if defined(__cplusplus)
 			}