StillImage.h 17.3 KB
Newer Older
1
2
3
/*
             LUFA Library
     Copyright (C) Dean Camera, 2010.
4

5
6
7
8
9
10
11
  dean [at] fourwalledcubicle [dot] com
      www.fourwalledcubicle.com
*/

/*
  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)

12
  Permission to use, copy, modify, distribute, and sell this
13
  software and its documentation for any purpose is hereby granted
14
  without fee, provided that the above copyright notice appear in
15
  all copies and that both that the copyright notice and this
16
17
18
  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
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
  software without specific, written prior permission.

  The author disclaim 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 Host mode driver for the library USB Still Image Class driver.
 *
 *  Host mode driver for the library USB Still Image Class driver.
 *
36
37
 *  \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.
38
39
40
41
42
43
44
 */

/** \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:
45
 *    - LUFA/Drivers/USB/Class/Host/StillImage.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
46
47
48
49
50
51
52
53
54
55
56
57
58
 *
 *  \section Module Description
 *  Host Mode USB Class driver framework interface, for the Still Image USB Class driver.
 *
 *  @{
 */

#ifndef __SI_CLASS_HOST_H__
#define __SI_CLASS_HOST_H__

	/* Includes: */
		#include "../../USB.h"
		#include "../Common/StillImage.h"
59

60
61
62
63
64
65
66
	/* Enable C linkage for C++ Compilers: */
		#if defined(__cplusplus)
			extern "C" {
		#endif

	/* Preprocessor Checks: */
		#if !defined(__INCLUDE_FROM_SI_DRIVER)
67
68
69
70
71
			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
		#endif

		#if defined(__INCLUDE_FROM_STILLIMAGE_HOST_C) && defined(NO_STREAM_CALLBACKS)
			#error The NO_STREAM_CALLBACKS compile time option cannot be used in projects using the library Class drivers.
72
		#endif
73

74
75
	/* Public Interface - May be used in end-application: */
		/* Macros: */
Dean Camera's avatar
Dean Camera committed
76
			/** Error code for some Still Image Host functions, indicating a logical (and not hardware) error. */
77
78
79
80
81
82
83
84
85
86
87
88
89
			#define SI_ERROR_LOGICAL_CMD_FAILED              0x80

		/* Type Defines: */
			/** \brief Still Image Class Host Mode Configuration and State Structure.
			 *
			 *  Class state structure. An instance of this structure should be made within the user application,
			 *  and passed to each of the Still Image class driver functions as the SIInterfaceInfo parameter. This
			 *  stores each Still Image interface's configuration and state information.
			 */
			typedef struct
			{
				const struct
				{
90
91
					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. */
92

93
94
					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. */
95

96
					uint8_t  EventsPipeNumber; /**< Pipe number of the Still Image interface's IN events endpoint, if used. */
97
					bool     EventsPipeDoubleBank; /**< Indicates if the Still Image interface's events data pipe should use double banking. */
98
99
100
101
102
				} 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
				{
103
104
105
106
107
					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. */
108

109
110
111
					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. */
112

113
114
					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. */
115
116
117
118
119
				} 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.
						  */
			} USB_ClassInfo_SI_Host_t;
120

121
		/* Enums: */
122
			/** Enum for the possible error codes returned by the \ref SI_Host_ConfigurePipes() function. */
123
			enum SI_Host_EnumerationFailure_ErrorCodes_t
124
			{
125
126
				SI_ENUMERROR_NoError                    = 0, /**< Configuration Descriptor was processed successfully. */
				SI_ENUMERROR_InvalidConfigDescriptor    = 1, /**< The device returned an invalid Configuration Descriptor. */
127
				SI_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible Still Image interface was not found in the device's
128
				                                              *   Configuration Descriptor.
129
				                                              */
130
131
132
133
134
135
136
137
138
			};

		/* 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.
			 *
139
140
141
142
143
144
145
			 *  \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.
			 *
			 *  \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.
146
			 *
147
			 *  \return A value from the \ref SI_Host_EnumerationFailure_ErrorCodes_t enum.
148
			 */
149
150
			uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
			                               uint16_t ConfigDescriptorSize,
151
			                               void* ConfigDescriptorData) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
152
153
154

			/** 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.
155
			 *
156
			 *  \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
157
			 *       call will fail.
158
			 *
159
			 *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
160
161
			 *
			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
162
			 *          returned a logical command failure.
163
			 */
164
			uint8_t SI_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
165
166
167
168

			/** 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.
			 *
169
			 *  \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
170
			 *       call will fail.
171
			 *
172
			 *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
173
174
			 *
			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
175
			 *          returned a logical command failure.
176
			 */
177
			uint8_t SI_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
178
179
180
181

			/** 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.
			 *
182
			 *  \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
183
			 *       call will fail.
184
			 *
185
186
			 *  \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.
187
			 *
188
			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
189
			 */
190
			uint8_t SI_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
191
			                                PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1)
192
			                                ATTR_NON_NULL_PTR_ARG(2);
193

194
195
196
			/** 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.
			 *
197
			 *  \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
198
			 *       call will fail.
199
			 *
200
201
			 *  \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.
202
			 *
203
			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
204
			 */
205
			uint8_t SI_Host_ReceiveBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
206
			                                   PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1)
207
			                                   ATTR_NON_NULL_PTR_ARG(2);
208
209

			/** Sends a given PIMA command to the attached device, filling out the PIMA command header's Transaction ID automatically.
210
			 *
211
			 *  \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
212
			 *       call will fail.
213
			 *
214
215
216
217
			 *  \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.
218
219
			 *
			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
220
			 *          returned a logical command failure.
221
			 */
222
223
224
225
			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);
226
227
228

			/** 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.
229
			 *
230
			 *  \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
231
			 *       call will fail.
232
			 *
233
			 *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
234
235
			 *
			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
236
			 *          returned a logical command failure.
237
			 */
238
			uint8_t SI_Host_ReceiveResponse(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
239
240
241

			/** Indicates if the device has issued a PIMA event block to the host via the asynchronous events pipe.
			 *
242
			 *  \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
243
			 *       call will fail.
244
			 *
245
			 *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
246
			 *
247
			 *  \return Boolean true if an event is waiting to be read, false otherwise.
248
			 */
249
			bool SI_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
250
251
252

			/** Receives an asynchronous event block from the device via the asynchronous events pipe.
			 *
253
			 *  \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
254
			 *       call will fail.
255
			 *
256
257
			 *  \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.
258
259
			 *
			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
260
			 *          returned a logical command failure.
261
			 */
262
			uint8_t SI_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
263
			                                   PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1)
264
			                                   ATTR_NON_NULL_PTR_ARG(2);
265

266
267
268
			/** 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.
			 *
269
			 *  \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
270
			 *       call will fail.
271
			 *
272
273
274
			 *  \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.
275
			 *
276
			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
277
			 */
278
279
280
			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);
281
282
283
284

			/** 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.
			 *
285
			 *  \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
286
			 *       call will fail.
287
			 *
288
289
290
			 *  \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.
291
			 *
292
			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
293
			 */
294
295
296
			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);
297

298
299
300
301
302
		/* 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().
			 *
303
			 *  \param[in,out] SIInterfaceInfo  Pointer to a structure containing a Still Image Class host configuration and state.
304
			 */
305
306
			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)
307
308
			{
				(void)SIInterfaceInfo;
309
			}
310
311
312
313

	/* Private Interface - For use in library only: */
	#if !defined(__DOXYGEN__)
		/* Macros: */
314
			#define SI_COMMAND_DATA_TIMEOUT_MS        10000
315

316
		/* Function Prototypes: */
317
			#if defined(__INCLUDE_FROM_STILLIMAGE_HOST_C)
318
319
				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);
320
321
			#endif
	#endif
322

323
324
325
326
327
328
329
330
	/* Disable C linkage for C++ Compilers: */
		#if defined(__cplusplus)
			}
		#endif

#endif

/** @} */
331