StillImage.c 8.54 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"

Dean Camera's avatar
Dean Camera committed
37
38
#warning The Still Image Host mode Class driver is currently incomplete and is for preview purposes only.

39
40
uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* SIInterfaceInfo, uint16_t ConfigDescriptorLength,
                              uint8_t* DeviceConfigDescriptor)
41
42
43
44
45
{
	uint8_t  FoundEndpoints = 0;
	
	memset(&SIInterfaceInfo->State, 0x00, sizeof(SIInterfaceInfo->State));
	
46
	if (DESCRIPTOR_TYPE(DeviceConfigDescriptor) != DTYPE_Configuration)
47
48
	  return SI_ENUMERROR_InvalidConfigDescriptor;
	
49
	if (USB_GetNextDescriptorComp(&ConfigDescriptorLength, &DeviceConfigDescriptor,
50
51
52
53
54
55
56
	                              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))
	{
57
		if (USB_GetNextDescriptorComp(&ConfigDescriptorLength, &DeviceConfigDescriptor,
58
59
60
61
62
		                              DComp_SI_Host_NextSIInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			return SI_ENUMERROR_EndpointsNotFound;
		}
		
63
		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Endpoint_t);
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

		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,
								   PIPE_BANK_DOUBLE);			
				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,
								   PIPE_BANK_DOUBLE);
				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,
								   PIPE_BANK_DOUBLE);
				SIInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;

				FoundEndpoints |= SI_FOUND_DATAPIPE_OUT;
			}
		}
	}

	return SI_ENUMERROR_NoError;
}

uint8_t DComp_SI_Host_NextSIInterface(void* CurrentDescriptor)
{
	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
	{
109
110
111
112
113
114
		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))
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
		{
			return DESCRIPTOR_SEARCH_Found;
		}
	}
	
	return DESCRIPTOR_SEARCH_NotFound;
}

uint8_t DComp_SI_Host_NextSIInterfaceEndpoint(void* CurrentDescriptor)
{
	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;
}

void SI_Host_USBTask(USB_ClassInfo_SI_Host_t* SIInterfaceInfo)
{

}

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
void SImage_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* SIInterfaceInfo, SI_PIMA_Container_t* PIMAHeader)
{
	Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber);
	Pipe_Unfreeze();

	Pipe_Write_Stream_LE(PIMAHeader, PIMA_COMMAND_SIZE(0), NO_STREAM_CALLBACK);
	
	if (PIMAHeader->Type == CType_CommandBlock)
	{
		uint8_t ParamBytes = (PIMAHeader->DataLength - PIMA_COMMAND_SIZE(0));

		if (ParamBytes)
		  Pipe_Write_Stream_LE(&PIMAHeader->Params, ParamBytes, NO_STREAM_CALLBACK);
		
		Pipe_ClearOUT();
	}
					
	Pipe_Freeze();
}

uint8_t SImage_Host_RecieveBlockHeader(USB_ClassInfo_SI_Host_t* SIInterfaceInfo, SI_PIMA_Container_t* PIMAHeader)
{
	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();
	}
	
	Pipe_Freeze();
	
	return PIPE_RWSTREAM_NoError;
}

uint8_t SImage_Host_SendData(USB_ClassInfo_SI_Host_t* SIInterfaceInfo, void* Buffer, uint16_t Bytes)
{
	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;
}

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

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

	ErrorCode = Pipe_Read_Stream_LE(Buffer, Bytes, NO_STREAM_CALLBACK);

	Pipe_Freeze();
	
	return ErrorCode;
}

bool SImage_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* SIInterfaceInfo)
{
	bool IsEventReceived = false;

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

uint8_t SImage_Host_RecieveEventHeader(USB_ClassInfo_SI_Host_t* SIInterfaceInfo, SI_PIMA_Container_t* PIMAHeader)
{
	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;
}

291
#endif