summaryrefslogtreecommitdiffstats
path: root/lib/lufa/LUFA/Drivers/USB/Class/Host/StillImageClassHost.c
blob: ef33d9be404dbf42b1a23fe4a7ac7af81803c32f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
/*
             LUFA Library
     Copyright (C) Dean Camera, 2017.

  dean [at] fourwalledcubicle [dot] com
           www.lufa-lib.org
*/

/*
  Copyright 2017  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 disclaims 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.
*/

#define  __INCLUDE_FROM_USB_DRIVER
#include "../../Core/USBMode.h"

#if defined(USB_CAN_BE_HOST)

#define  __INCLUDE_FROM_SI_DRIVER
#define  __INCLUDE_FROM_STILLIMAGE_HOST_C
#include "StillImageClassHost.h"

uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
                               uint16_t ConfigDescriptorSize,
                               void* ConfigDescriptorData)
{
	USB_Descriptor_Endpoint_t*  DataINEndpoint      = NULL;
	USB_Descriptor_Endpoint_t*  DataOUTEndpoint     = NULL;
	USB_Descriptor_Endpoint_t*  EventsEndpoint      = NULL;
	USB_Descriptor_Interface_t* StillImageInterface = NULL;

	memset(&SIInterfaceInfo->State, 0x00, sizeof(SIInterfaceInfo->State));

	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
	  return SI_ENUMERROR_InvalidConfigDescriptor;

	while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(EventsEndpoint))
	{
		if (!(StillImageInterface) ||
		    USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
		                              DCOMP_SI_Host_NextSIInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
			                              DCOMP_SI_Host_NextSIInterface) != DESCRIPTOR_SEARCH_COMP_Found)
			{
				return SI_ENUMERROR_NoCompatibleInterfaceFound;
			}

			StillImageInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);

			DataINEndpoint  = NULL;
			DataOUTEndpoint = NULL;
			EventsEndpoint  = NULL;

			continue;
		}

		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);

		if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
		{
			if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
			  EventsEndpoint = EndpointData;
			else
			  DataINEndpoint = EndpointData;
		}
		else
		{
			DataOUTEndpoint = EndpointData;
		}
	}

	SIInterfaceInfo->Config.DataINPipe.Size  = le16_to_cpu(DataINEndpoint->EndpointSize);
	SIInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
	SIInterfaceInfo->Config.DataINPipe.Type  = EP_TYPE_BULK;

	SIInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
	SIInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
	SIInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;

	SIInterfaceInfo->Config.EventsPipe.Size = le16_to_cpu(EventsEndpoint->EndpointSize);
	SIInterfaceInfo->Config.EventsPipe.EndpointAddress = EventsEndpoint->EndpointAddress;
	SIInterfaceInfo->Config.EventsPipe.Type = EP_TYPE_INTERRUPT;

	if (!(Pipe_ConfigurePipeTable(&SIInterfaceInfo->Config.DataINPipe, 1)))
	  return SI_ENUMERROR_PipeConfigurationFailed;

	if (!(Pipe_ConfigurePipeTable(&SIInterfaceInfo->Config.DataOUTPipe, 1)))
	  return SI_ENUMERROR_PipeConfigurationFailed;

	if (!(Pipe_ConfigurePipeTable(&SIInterfaceInfo->Config.EventsPipe, 1)))
	  return SI_ENUMERROR_PipeConfigurationFailed;

	SIInterfaceInfo->State.InterfaceNumber = StillImageInterface->InterfaceNumber;
	SIInterfaceInfo->State.IsActive = true;

	return SI_ENUMERROR_NoError;
}

uint8_t DCOMP_SI_Host_NextSIInterface(void* const CurrentDescriptor)
{
	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);

	if (Header->Type == DTYPE_Interface)
	{
		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);

		if ((Interface->Class    == SI_CSCP_StillImageClass)    &&
		    (Interface->SubClass == SI_CSCP_StillImageSubclass) &&
		    (Interface->Protocol == SI_CSCP_BulkOnlyProtocol))
		{
			return DESCRIPTOR_SEARCH_Found;
		}
	}

	return DESCRIPTOR_SEARCH_NotFound;
}

uint8_t DCOMP_SI_Host_NextSIInterfaceEndpoint(void* const CurrentDescriptor)
{
	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);

	if (Header->Type == DTYPE_Endpoint)
	{
		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);

		uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);

		if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
		    (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress))))
		{
			return DESCRIPTOR_SEARCH_Found;
		}
	}
	else if (Header->Type == DTYPE_Interface)
	{
		return DESCRIPTOR_SEARCH_Fail;
	}

	return DESCRIPTOR_SEARCH_NotFound;
}

uint8_t SI_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
                                PIMA_Container_t* const PIMAHeader)
{
	uint8_t ErrorCode;

	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return PIPE_RWSTREAM_DeviceDisconnected;

	if (SIInterfaceInfo->State.IsSessionOpen)
	  PIMAHeader->TransactionID = cpu_to_le32(SIInterfaceInfo->State.TransactionID++);

	Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipe.Address);
	Pipe_Unfreeze();

	if ((ErrorCode = Pipe_Write_Stream_LE(PIMAHeader, PIMA_COMMAND_SIZE(0), NULL)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	uint8_t ParamBytes = (PIMAHeader->DataLength - PIMA_COMMAND_SIZE(0));

	if (ParamBytes)
	{
		if ((ErrorCode = Pipe_Write_Stream_LE(&PIMAHeader->Params, ParamBytes, NULL)) != PIPE_RWSTREAM_NoError)
		  return ErrorCode;
	}

	Pipe_ClearOUT();
	Pipe_Freeze();

	return PIPE_RWSTREAM_NoError;
}

uint8_t SI_Host_ReceiveBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
                                   PIMA_Container_t* const PIMAHeader)
{
	uint16_t TimeoutMSRem        = SI_COMMAND_DATA_TIMEOUT_MS;
	uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber();

	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return PIPE_RWSTREAM_DeviceDisconnected;

	Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipe.Address);
	Pipe_Unfreeze();

	while (!(Pipe_IsINReceived()))
	{
		uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber();

		if (CurrentFrameNumber != PreviousFrameNumber)
		{
			PreviousFrameNumber = CurrentFrameNumber;

			if (!(TimeoutMSRem--))
			  return PIPE_RWSTREAM_Timeout;
		}

		Pipe_Freeze();
		Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipe.Address);
		Pipe_Unfreeze();

		if (Pipe_IsStalled())
		{
			USB_Host_ClearEndpointStall(Pipe_GetBoundEndpointAddress());
			return PIPE_RWSTREAM_PipeStalled;
		}

		Pipe_Freeze();
		Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipe.Address);
		Pipe_Unfreeze();

		if (Pipe_IsStalled())
		{
			USB_Host_ClearEndpointStall(Pipe_GetBoundEndpointAddress());
			return PIPE_RWSTREAM_PipeStalled;
		}

		if (USB_HostState == HOST_STATE_Unattached)
		  return PIPE_RWSTREAM_DeviceDisconnected;
	}

	Pipe_Read_Stream_LE(PIMAHeader, PIMA_COMMAND_SIZE(0), NULL);

	if (PIMAHeader->Type == CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock))
	{
		uint8_t ParamBytes = (PIMAHeader->DataLength - PIMA_COMMAND_SIZE(0));

		if (ParamBytes)
		  Pipe_Read_Stream_LE(&PIMAHeader->Params, ParamBytes, NULL);

		Pipe_ClearIN();
	}

	Pipe_Freeze();

	return PIPE_RWSTREAM_NoError;
}

uint8_t SI_Host_SendData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
                         const void* Buffer,
                         const uint16_t Bytes)
{
	uint8_t ErrorCode;

	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return PIPE_RWSTREAM_DeviceDisconnected;

	Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipe.Address);
	Pipe_Unfreeze();

	ErrorCode = Pipe_Write_Stream_LE(Buffer, Bytes, NULL);

	Pipe_ClearOUT();
	Pipe_Freeze();

	return ErrorCode;
}

uint8_t SI_Host_ReadData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
                         void* Buffer,
                         const uint16_t Bytes)
{
	uint8_t ErrorCode;

	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return PIPE_RWSTREAM_DeviceDisconnected;

	Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipe.Address);
	Pipe_Unfreeze();

	ErrorCode = Pipe_Read_Stream_LE(Buffer, Bytes, NULL);

	Pipe_Freeze();

	return ErrorCode;
}

bool SI_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
	bool IsEventReceived = false;

	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return false;

	Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipe.Address);
	Pipe_Unfreeze();

	if (Pipe_IsINReceived())
	  IsEventReceived = true;

	Pipe_Freeze();

	return IsEventReceived;
}

uint8_t SI_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
                                   PIMA_Container_t* const PIMAHeader)
{
	uint8_t ErrorCode;

	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return PIPE_RWSTREAM_DeviceDisconnected;

	Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipe.Address);
	Pipe_Unfreeze();

	ErrorCode = Pipe_Read_Stream_LE(PIMAHeader, sizeof(PIMA_Container_t), NULL);

	Pipe_ClearIN();
	Pipe_Freeze();

	return ErrorCode;
}

uint8_t SI_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return PIPE_RWSTREAM_DeviceDisconnected;

	uint8_t ErrorCode;

	SIInterfaceInfo->State.TransactionID = 0;
	SIInterfaceInfo->State.IsSessionOpen = false;

	PIMA_Container_t PIMABlock = (PIMA_Container_t)
		{
			.DataLength    = CPU_TO_LE32(PIMA_COMMAND_SIZE(1)),
			.Type          = CPU_TO_LE16(PIMA_CONTAINER_CommandBlock),
			.Code          = CPU_TO_LE16(0x1002),
			.Params        = {CPU_TO_LE32(1)},
		};

	if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	if ((PIMABlock.Type != CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock)) || (PIMABlock.Code != CPU_TO_LE16(0x2001)))
	  return SI_ERROR_LOGICAL_CMD_FAILED;

	SIInterfaceInfo->State.IsSessionOpen = true;

	return PIPE_RWSTREAM_NoError;
}

uint8_t SI_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return PIPE_RWSTREAM_DeviceDisconnected;

	uint8_t ErrorCode;

	PIMA_Container_t PIMABlock = (PIMA_Container_t)
		{
			.DataLength    = CPU_TO_LE32(PIMA_COMMAND_SIZE(1)),
			.Type          = CPU_TO_LE16(PIMA_CONTAINER_CommandBlock),
			.Code          = CPU_TO_LE16(0x1003),
			.Params        = {CPU_TO_LE32(1)},
		};

	if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	SIInterfaceInfo->State.IsSessionOpen = false;

	if ((PIMABlock.Type != CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock)) || (PIMABlock.Code != CPU_TO_LE16(0x2001)))
	  return SI_ERROR_LOGICAL_CMD_FAILED;

	return PIPE_RWSTREAM_NoError;
}

uint8_t SI_Host_SendCommand(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
                            const uint16_t Operation,
                            const uint8_t TotalParams,
                            uint32_t* const Params)
{
	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return PIPE_RWSTREAM_DeviceDisconnected;

	uint8_t ErrorCode;

	PIMA_Container_t PIMABlock = (PIMA_Container_t)
		{
			.DataLength    = cpu_to_le32(PIMA_COMMAND_SIZE(TotalParams)),
			.Type          = CPU_TO_LE16(PIMA_CONTAINER_CommandBlock),
			.Code          = cpu_to_le16(Operation),
		};

	memcpy(&PIMABlock.Params, Params, sizeof(uint32_t) * TotalParams);

	if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	return PIPE_RWSTREAM_NoError;
}

uint8_t SI_Host_ReceiveResponse(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
	uint8_t ErrorCode;
	PIMA_Container_t PIMABlock;

	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return PIPE_RWSTREAM_DeviceDisconnected;

	if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	if ((PIMABlock.Type != CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock)) || (PIMABlock.Code != CPU_TO_LE16(0x2001)))
	  return SI_ERROR_LOGICAL_CMD_FAILED;

	return PIPE_RWSTREAM_NoError;
}

#endif