StillImage.c 12.1 KB
Newer Older
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
/*
             LUFA Library
     Copyright (C) Dean Camera, 2009.
              
  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
  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.
*/

#include "../../HighLevel/USBMode.h"
#if defined(USB_CAN_BE_HOST)

Dean Camera's avatar
Dean Camera committed
34
#define INCLUDE_FROM_SI_CLASS_HOST_C
35
36
#include "StillImage.h"

37
38
uint8_t SImage_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, uint16_t ConfigDescriptorSize,
                                   void* DeviceConfigDescriptor)
39
40
41
42
43
{
	uint8_t  FoundEndpoints = 0;
	
	memset(&SIInterfaceInfo->State, 0x00, sizeof(SIInterfaceInfo->State));
	
44
	if (DESCRIPTOR_TYPE(DeviceConfigDescriptor) != DTYPE_Configuration)
45
46
	  return SI_ENUMERROR_InvalidConfigDescriptor;
	
47
	if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor,
48
49
50
51
52
53
54
	                              DComp_SI_Host_NextSIInterface) != DESCRIPTOR_SEARCH_COMP_Found)
	{
		return SI_ENUMERROR_NoSIInterfaceFound;
	}

	while (FoundEndpoints != (SI_FOUND_EVENTS_IN | SI_FOUND_DATAPIPE_IN | SI_FOUND_DATAPIPE_OUT))
	{
55
		if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor,
56
57
58
59
60
		                              DComp_SI_Host_NextSIInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			return SI_ENUMERROR_EndpointsNotFound;
		}
		
61
		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Endpoint_t);
62
63
64
65
66
67
68

		if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
		{
			if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
			{
				Pipe_ConfigurePipe(SIInterfaceInfo->Config.EventsPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
								   EndpointData->EndpointAddress, EndpointData->EndpointSize,
69
								   SIInterfaceInfo->Config.EventsPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);			
70
71
72
73
74
75
76
77
78
79
80
81
82
				SIInterfaceInfo->State.EventsPipeSize = EndpointData->EndpointSize;

				Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);
				
				FoundEndpoints |= SI_FOUND_EVENTS_IN;
			}
		}
		else
		{
			if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
			{
				Pipe_ConfigurePipe(SIInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
								   EndpointData->EndpointAddress, EndpointData->EndpointSize,
83
								   SIInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
84
85
86
87
88
89
90
91
				SIInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;

				FoundEndpoints |= SI_FOUND_DATAPIPE_IN;
			}
			else
			{
				Pipe_ConfigurePipe(SIInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
								   EndpointData->EndpointAddress, EndpointData->EndpointSize,
92
								   SIInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
93
94
95
96
97
98
99
				SIInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;

				FoundEndpoints |= SI_FOUND_DATAPIPE_OUT;
			}
		}
	}

100
	SIInterfaceInfo->State.IsActive = true;
101
102
103
	return SI_ENUMERROR_NoError;
}

104
uint8_t DComp_SI_Host_NextSIInterface(void* const CurrentDescriptor)
105
106
107
{
	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
	{
108
109
110
111
112
113
		USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
		                                                                USB_Descriptor_Interface_t);

		if ((CurrentInterface->Class    == STILL_IMAGE_CLASS)    &&
		    (CurrentInterface->SubClass == STILL_IMAGE_SUBCLASS) &&
		    (CurrentInterface->Protocol == STILL_IMAGE_PROTOCOL))
114
115
116
117
118
119
120
121
		{
			return DESCRIPTOR_SEARCH_Found;
		}
	}
	
	return DESCRIPTOR_SEARCH_NotFound;
}

122
uint8_t DComp_SI_Host_NextSIInterfaceEndpoint(void* const CurrentDescriptor)
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
{
	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
	{
		USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
		                                                              USB_Descriptor_Endpoint_t);
	
		uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);

		if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
		    (!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress))))
		{
			return DESCRIPTOR_SEARCH_Found;
		}
	}
	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
	{
		return DESCRIPTOR_SEARCH_Fail;
	}

	return DESCRIPTOR_SEARCH_NotFound;
}

145
void SImage_Host_USBTask(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
146
147
148
149
{

}

150
static uint8_t SImage_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, SI_PIMA_Container_t* const PIMAHeader)
151
{
152
153
	uint8_t ErrorCode;
	
154
	PIMAHeader->TransactionID = SIInterfaceInfo->State.TransactionID++;
155

156
157
158
	Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber);
	Pipe_Unfreeze();

159
160
	if ((ErrorCode = Pipe_Write_Stream_LE(PIMAHeader, PIMA_COMMAND_SIZE(0), NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;
161
	
162
	uint8_t ParamBytes = (PIMAHeader->DataLength - PIMA_COMMAND_SIZE(0));
163

164
165
166
167
	if (ParamBytes)
	{
		if ((ErrorCode = Pipe_Write_Stream_LE(&PIMAHeader->Params, ParamBytes, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
		  return ErrorCode;
168
	}
169
170
	
	Pipe_ClearOUT();	
171
	Pipe_Freeze();
172
173
	
	return PIPE_RWSTREAM_NoError;
174
175
}

176
static uint8_t SImage_Host_ReceiveBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, SI_PIMA_Container_t* const PIMAHeader)
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
{
	uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS;

	Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipeNumber);
	Pipe_Unfreeze();
	
	while (!(Pipe_IsReadWriteAllowed()))
	{
		if (USB_INT_HasOccurred(USB_INT_HSOFI))
		{
			USB_INT_Clear(USB_INT_HSOFI);
			TimeoutMSRem--;

			if (!(TimeoutMSRem))
			{
				return PIPE_RWSTREAM_Timeout;
			}
		}
		
		Pipe_Freeze();
		Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber);
		Pipe_Unfreeze();

		if (Pipe_IsStalled())
		{
			USB_Host_ClearPipeStall(SIInterfaceInfo->Config.DataOUTPipeNumber);
			return PIPE_RWSTREAM_PipeStalled;
		}

		Pipe_Freeze();
		Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipeNumber);
		Pipe_Unfreeze();

		if (Pipe_IsStalled())
		{
			USB_Host_ClearPipeStall(SIInterfaceInfo->Config.DataINPipeNumber);
			return PIPE_RWSTREAM_PipeStalled;
		}
		  
		if (USB_HostState == HOST_STATE_Unattached)
		  return PIPE_RWSTREAM_DeviceDisconnected;
	}
	
	Pipe_Read_Stream_LE(PIMAHeader, PIMA_COMMAND_SIZE(0), NO_STREAM_CALLBACK);
	
	if (PIMAHeader->Type == CType_ResponseBlock)
	{
		uint8_t ParamBytes = (PIMAHeader->DataLength - PIMA_COMMAND_SIZE(0));

		if (ParamBytes)
		  Pipe_Read_Stream_LE(&PIMAHeader->Params, ParamBytes, NO_STREAM_CALLBACK);
		
		Pipe_ClearIN();
230
231
		
		PIMAHeader->Code &= 0x0000000F;
232
233
234
235
236
237
238
	}
	
	Pipe_Freeze();
	
	return PIPE_RWSTREAM_NoError;
}

239
uint8_t SImage_Host_SendData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, void* Buffer, const uint16_t Bytes)
240
241
242
243
244
245
246
247
248
249
250
251
252
253
{
	uint8_t ErrorCode;

	Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber);
	Pipe_Unfreeze();
	
	ErrorCode = Pipe_Write_Stream_LE(Buffer, Bytes, NO_STREAM_CALLBACK);

	Pipe_ClearOUT();
	Pipe_Freeze();
	
	return ErrorCode;
}

254
uint8_t SImage_Host_ReadData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, void* Buffer, const uint16_t Bytes)
255
256
257
258
259
260
261
262
263
264
265
266
267
{
	uint8_t ErrorCode;

	Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipeNumber);
	Pipe_Unfreeze();

	ErrorCode = Pipe_Read_Stream_LE(Buffer, Bytes, NO_STREAM_CALLBACK);

	Pipe_Freeze();
	
	return ErrorCode;
}

268
bool SImage_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* SIInterfaceInfo)
269
270
271
272
273
274
275
276
277
278
279
280
281
282
{
	bool IsEventReceived = false;

	Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipeNumber);
	Pipe_Unfreeze();
	
	if (Pipe_BytesInPipe())
	  IsEventReceived = true;
	
	Pipe_Freeze();
	
	return IsEventReceived;
}

283
uint8_t SImage_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, SI_PIMA_Container_t* const PIMAHeader)
284
285
286
287
288
289
290
291
292
293
294
295
296
297
{
	uint8_t ErrorCode;

	Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipeNumber);
	Pipe_Unfreeze();
	
	ErrorCode = Pipe_Read_Stream_LE(PIMAHeader, sizeof(SI_PIMA_Container_t), NO_STREAM_CALLBACK);
	
	Pipe_ClearIN();
	Pipe_Freeze();
	
	return ErrorCode;
}

298
uint8_t SImage_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
{
	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return HOST_SENDCONTROL_DeviceDisconnect;

	uint8_t ErrorCode;

	SI_PIMA_Container_t PIMABlock = (SI_PIMA_Container_t)
							{
								.DataLength    = PIMA_COMMAND_SIZE(0),
								.Type          = CType_CommandBlock,
								.Code          = 0x1002,
								.Params        = {},
							};
							
	if ((ErrorCode = SImage_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;
	  
	if ((ErrorCode = SImage_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;
	  
319
320
321
	if ((PIMABlock.Type != CType_ResponseBlock) || (PIMABlock.Code != 0x2001))
	  return SI_ERROR_LOGICAL_CMD_FAILED;
	  
322
	SIInterfaceInfo->State.TransactionID = 0;
323
324
325
326
327
	SIInterfaceInfo->State.IsSessionOpen = true;

	return PIPE_RWSTREAM_NoError;
}

328
uint8_t SImage_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
{
	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return HOST_SENDCONTROL_DeviceDisconnect;

	uint8_t ErrorCode;

	SI_PIMA_Container_t PIMABlock = (SI_PIMA_Container_t)
							{
								.DataLength    = PIMA_COMMAND_SIZE(0),
								.Type          = CType_CommandBlock,
								.Code          = 0x1003,
								.Params        = {},
							};
							
	if ((ErrorCode = SImage_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;
	  
	if ((ErrorCode = SImage_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	SIInterfaceInfo->State.IsSessionOpen = false;

351
352
353
354
355
356
	if ((PIMABlock.Type != CType_ResponseBlock) || (PIMABlock.Code != 0x2001))
	  return SI_ERROR_LOGICAL_CMD_FAILED;

	return PIPE_RWSTREAM_NoError;
}

357
358
uint8_t SImage_Host_SendCommand(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, const uint16_t Operation,
                                const uint8_t TotalParams, uint32_t* Params)
359
360
361
362
363
364
365
366
{
	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return HOST_SENDCONTROL_DeviceDisconnect;

	uint8_t ErrorCode;

	SI_PIMA_Container_t PIMABlock = (SI_PIMA_Container_t)
							{
367
								.DataLength    = PIMA_COMMAND_SIZE(TotalParams),
368
369
370
371
								.Type          = CType_CommandBlock,
								.Code          = Operation,
							};
							
372
373
	memcpy(&PIMABlock.Params, Params, sizeof(uint32_t) * TotalParams);
							
374
375
	if ((ErrorCode = SImage_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;
376
377
378
379

	return PIPE_RWSTREAM_NoError;
}

380
uint8_t SImage_Host_ReceiveResponse(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
381
382
383
384
{
	uint8_t ErrorCode;
	SI_PIMA_Container_t PIMABlock;

385
386
387
388
389
	if ((ErrorCode = SImage_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	if ((PIMABlock.Type != CType_ResponseBlock) || (PIMABlock.Code != 0x2001))
	  return SI_ERROR_LOGICAL_CMD_FAILED;
390
	  
391
392
393
	return PIPE_RWSTREAM_NoError;
}

394
#endif