Printer.c 8.43 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
34
35
36
37
/*
             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)

#define INCLUDE_FROM_PRINTER_CLASS_HOST_C
#include "Printer.h"

uint8_t PRNT_Host_ConfigurePipes(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo, uint16_t ConfigDescriptorSize,
38
							     void* DeviceConfigDescriptor)
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
{
	uint8_t FoundEndpoints = 0;
	
	memset(&PRNTInterfaceInfo->State, 0x00, sizeof(PRNTInterfaceInfo->State));

	if (DESCRIPTOR_TYPE(DeviceConfigDescriptor) != DTYPE_Configuration)
	  return PRNT_ENUMERROR_InvalidConfigDescriptor;
	
	if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor,
	                              DComp_NextPRNTInterface) != DESCRIPTOR_SEARCH_COMP_Found)
	{
		return PRNT_ENUMERROR_NoPrinterInterfaceFound;
	}

	USB_Descriptor_Interface_t* PrinterInterface = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Interface_t);

	PRNTInterfaceInfo->State.InterfaceNumber  = PrinterInterface->InterfaceNumber;
	PRNTInterfaceInfo->State.AlternateSetting = PrinterInterface->AlternateSetting;
	
	while (FoundEndpoints != (PRNT_FOUND_DATAPIPE_IN | PRNT_FOUND_DATAPIPE_OUT))
	{
		if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor,
		                              DComp_NextPRNTInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
		{
			return PRNT_ENUMERROR_EndpointsNotFound;
		}
		
		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Endpoint_t);

		if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
		{
			Pipe_ConfigurePipe(PRNTInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
			                   EndpointData->EndpointAddress, EndpointData->EndpointSize,
72
			                   PRNTInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
73
74
75
76
77
78
79
80
			PRNTInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;

			FoundEndpoints |= PRNT_FOUND_DATAPIPE_IN;
		}
		else
		{
			Pipe_ConfigurePipe(PRNTInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
			                   EndpointData->EndpointAddress, EndpointData->EndpointSize,
81
			                   PRNTInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
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
			PRNTInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;

			FoundEndpoints |= PRNT_FOUND_DATAPIPE_OUT;
		}		
	}

	PRNTInterfaceInfo->State.IsActive = true;
	return PRNT_ENUMERROR_NoError;
}

static uint8_t DComp_NextPRNTInterface(void* CurrentDescriptor)
{
	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
	{
		if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == PRINTER_CLASS)    &&
		    (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == PRINTER_SUBCLASS) &&
			(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == PRINTER_PROTOCOL))
		{
			return DESCRIPTOR_SEARCH_Found;
		}
	}
	
	return DESCRIPTOR_SEARCH_NotFound;
}

static uint8_t DComp_NextPRNTInterfaceEndpoint(void* CurrentDescriptor)
{
	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
	{
		uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
		                                        USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);

		if (EndpointType == EP_TYPE_BULK)
		  return DESCRIPTOR_SEARCH_Found;
	}
	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
	{
		return DESCRIPTOR_SEARCH_Fail;
	}

	return DESCRIPTOR_SEARCH_NotFound;
}

void PRNT_Host_USBTask(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
{
127
	(void)PRNTInterfaceInfo;
128
129
130
131
132
133
134
135
136
137
}

uint8_t PRNT_Host_SetBidirectionalMode(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
{
	if (PRNTInterfaceInfo->State.AlternateSetting)
	{
		uint8_t ErrorCode;
	
		USB_ControlRequest = (USB_Request_Header_t)
			{
138
139
140
141
142
				.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE),
				.bRequest      = REQ_SetInterface,
				.wValue        = PRNTInterfaceInfo->State.AlternateSetting,
				.wIndex        = PRNTInterfaceInfo->State.InterfaceNumber,
				.wLength       = 0,
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
			};
		
		Pipe_SelectPipe(PIPE_CONTROLPIPE);
		
		if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
		  return ErrorCode;
	}
	
	return HOST_SENDCONTROL_Successful;
}

uint8_t PRNT_Host_GetPortStatus(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo, uint8_t* const PortStatus)
{
	USB_ControlRequest = (USB_Request_Header_t)
		{
158
159
160
161
162
			.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
			.bRequest      = REQ_GetPortStatus,
			.wValue        = 0,
			.wIndex        = PRNTInterfaceInfo->State.InterfaceNumber,
			.wLength       = sizeof(uint8_t),
163
164
165
166
167
168
169
170
171
172
173
		};

	Pipe_SelectPipe(PIPE_CONTROLPIPE);

	return USB_Host_SendControlRequest(PortStatus);
}

uint8_t PRNT_Host_SoftReset(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
{
	USB_ControlRequest = (USB_Request_Header_t)
		{
174
175
176
177
178
			.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
			.bRequest     = REQ_SoftReset,
			.wValue       = 0,
			.wIndex       = PRNTInterfaceInfo->State.InterfaceNumber,
			.wLength      = 0,
179
180
181
182
183
184
185
186
187
188
189
		};

	Pipe_SelectPipe(PIPE_CONTROLPIPE);

	return USB_Host_SendControlRequest(NULL);
}

uint8_t PRNT_Host_SendData(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo, void* PrinterCommands, uint16_t CommandSize)
{
	uint8_t ErrorCode;

190
191
192
	if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
	  return PIPE_RWSTREAM_DeviceDisconnected;

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
	Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipeNumber);
	Pipe_Unfreeze();
	
	if ((ErrorCode = Pipe_Write_Stream_LE(PrinterCommands, CommandSize, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	Pipe_ClearOUT();
	while (!(Pipe_IsOUTReady()))
	{
		if (USB_HostState == HOST_STATE_Unattached)
		  return PIPE_RWSTREAM_DeviceDisconnected;
	}
	
	Pipe_Freeze();

	return PIPE_RWSTREAM_NoError;
}

uint8_t PRNT_Host_GetDeviceID(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo, char* DeviceIDString, uint16_t BufferSize)
{
	uint8_t  ErrorCode = HOST_SENDCONTROL_Successful;
	uint16_t DeviceIDStringLength = 0;

	USB_ControlRequest = (USB_Request_Header_t)
		{
218
219
220
221
222
			.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
			.bRequest      =  REQ_GetDeviceID,
			.wValue        = 0,
			.wIndex        = PRNTInterfaceInfo->State.InterfaceNumber,
			.wLength       = sizeof(DeviceIDStringLength),
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
		};
		
	Pipe_SelectPipe(PIPE_CONTROLPIPE);

	if ((ErrorCode = USB_Host_SendControlRequest(&DeviceIDStringLength)) != HOST_SENDCONTROL_Successful)
	  return ErrorCode;
	  
	if (!(DeviceIDStringLength))
	{
		DeviceIDString[0] = 0x00;
		return HOST_SENDCONTROL_Successful;
	}
	
	DeviceIDStringLength = SwapEndian_16(DeviceIDStringLength);

	if (DeviceIDStringLength > BufferSize)
	  DeviceIDStringLength = BufferSize;

	USB_ControlRequest.wLength = DeviceIDStringLength;
	
	if ((ErrorCode = USB_Host_SendControlRequest(DeviceIDString)) != HOST_SENDCONTROL_Successful)
	  return ErrorCode;
	  
	memmove(&DeviceIDString[0], &DeviceIDString[2], DeviceIDStringLength - 2);

	DeviceIDString[DeviceIDStringLength - 2] = 0x00;
	
	return HOST_SENDCONTROL_Successful;
}

#endif