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diff --git a/lib/lufa/Projects/LEDNotifier/Descriptors.c b/lib/lufa/Projects/LEDNotifier/Descriptors.c
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1/*
2 LUFA Library
3 Copyright (C) Dean Camera, 2017.
4
5 dean [at] fourwalledcubicle [dot] com
6 www.lufa-lib.org
7*/
8
9/*
10 Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
11
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 permission notice and warranty disclaimer appear in supporting
17 documentation, and that the name of the author not be used in
18 advertising or publicity pertaining to distribution of the
19 software without specific, written prior permission.
20
21 The author disclaims all warranties with regard to this
22 software, including all implied warranties of merchantability
23 and fitness. In no event shall the author be liable for any
24 special, indirect or consequential damages or any damages
25 whatsoever resulting from loss of use, data or profits, whether
26 in an action of contract, negligence or other tortious action,
27 arising out of or in connection with the use or performance of
28 this software.
29*/
30
31/** \file
32 *
33 * USB Device Descriptors, for library use when in USB device mode. Descriptors are special
34 * computer-readable structures which the host requests upon device enumeration, to determine
35 * the device's capabilities and functions.
36 */
37
38#include "Descriptors.h"
39
40
41/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall
42 * device characteristics, including the supported USB version, control endpoint size and the
43 * number of device configurations. The descriptor is read out by the USB host when the enumeration
44 * process begins.
45 */
46const USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
47{
48 .Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
49
50 .USBSpecification = VERSION_BCD(1,1,0),
51 .Class = CDC_CSCP_CDCClass,
52 .SubClass = CDC_CSCP_NoSpecificSubclass,
53 .Protocol = CDC_CSCP_NoSpecificProtocol,
54
55 .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
56
57 .VendorID = 0x03EB,
58 .ProductID = 0x2044,
59 .ReleaseNumber = VERSION_BCD(0,0,1),
60
61 .ManufacturerStrIndex = STRING_ID_Manufacturer,
62 .ProductStrIndex = STRING_ID_Product,
63 .SerialNumStrIndex = USE_INTERNAL_SERIAL,
64
65 .NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
66};
67
68/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage
69 * of the device in one of its supported configurations, including information about any device interfaces
70 * and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting
71 * a configuration so that the host may correctly communicate with the USB device.
72 */
73const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
74{
75 .Config =
76 {
77 .Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
78
79 .TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
80 .TotalInterfaces = 2,
81
82 .ConfigurationNumber = 1,
83 .ConfigurationStrIndex = NO_DESCRIPTOR,
84
85 .ConfigAttributes = (USB_CONFIG_ATTR_RESERVED | USB_CONFIG_ATTR_SELFPOWERED),
86
87 .MaxPowerConsumption = USB_CONFIG_POWER_MA(100)
88 },
89
90 .CDC_CCI_Interface =
91 {
92 .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
93
94 .InterfaceNumber = INTERFACE_ID_CDC_CCI,
95 .AlternateSetting = 0,
96
97 .TotalEndpoints = 1,
98
99 .Class = CDC_CSCP_CDCClass,
100 .SubClass = CDC_CSCP_ACMSubclass,
101 .Protocol = CDC_CSCP_ATCommandProtocol,
102
103 .InterfaceStrIndex = NO_DESCRIPTOR
104 },
105
106 .CDC_Functional_Header =
107 {
108 .Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalHeader_t), .Type = DTYPE_CSInterface},
109 .Subtype = CDC_DSUBTYPE_CSInterface_Header,
110
111 .CDCSpecification = VERSION_BCD(1,1,0),
112 },
113
114 .CDC_Functional_ACM =
115 {
116 .Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalACM_t), .Type = DTYPE_CSInterface},
117 .Subtype = CDC_DSUBTYPE_CSInterface_ACM,
118
119 .Capabilities = 0x06,
120 },
121
122 .CDC_Functional_Union =
123 {
124 .Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalUnion_t), .Type = DTYPE_CSInterface},
125 .Subtype = CDC_DSUBTYPE_CSInterface_Union,
126
127 .MasterInterfaceNumber = INTERFACE_ID_CDC_CCI,
128 .SlaveInterfaceNumber = INTERFACE_ID_CDC_DCI,
129 },
130
131 .CDC_NotificationEndpoint =
132 {
133 .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
134
135 .EndpointAddress = CDC_NOTIFICATION_EPADDR,
136 .Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
137 .EndpointSize = CDC_NOTIFICATION_EPSIZE,
138 .PollingIntervalMS = 0xFF
139 },
140
141 .CDC_DCI_Interface =
142 {
143 .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
144
145 .InterfaceNumber = INTERFACE_ID_CDC_DCI,
146 .AlternateSetting = 0,
147
148 .TotalEndpoints = 2,
149
150 .Class = CDC_CSCP_CDCDataClass,
151 .SubClass = CDC_CSCP_NoDataSubclass,
152 .Protocol = CDC_CSCP_NoDataProtocol,
153
154 .InterfaceStrIndex = NO_DESCRIPTOR
155 },
156
157 .CDC_DataOutEndpoint =
158 {
159 .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
160
161 .EndpointAddress = CDC_RX_EPADDR,
162 .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
163 .EndpointSize = CDC_TXRX_EPSIZE,
164 .PollingIntervalMS = 0x05
165 },
166
167 .CDC_DataInEndpoint =
168 {
169 .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
170
171 .EndpointAddress = CDC_TX_EPADDR,
172 .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
173 .EndpointSize = CDC_TXRX_EPSIZE,
174 .PollingIntervalMS = 0x05
175 }
176};
177
178/** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests
179 * the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate
180 * via the language ID table available at USB.org what languages the device supports for its string descriptors.
181 */
182const USB_Descriptor_String_t PROGMEM LanguageString = USB_STRING_DESCRIPTOR_ARRAY(LANGUAGE_ID_ENG);
183
184/** Manufacturer descriptor string. This is a Unicode string containing the manufacturer's details in human readable
185 * form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
186 * Descriptor.
187 */
188const USB_Descriptor_String_t PROGMEM ManufacturerString = USB_STRING_DESCRIPTOR(L"Dean Camera");
189
190/** Product descriptor string. This is a Unicode string containing the product's details in human readable form,
191 * and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
192 * Descriptor.
193 */
194const USB_Descriptor_String_t PROGMEM ProductString = USB_STRING_DESCRIPTOR(L"LED Notifier");
195
196/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
197 * documentation) by the application code so that the address and size of a requested descriptor can be given
198 * to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function
199 * is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
200 * USB host.
201 */
202uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
203 const uint16_t wIndex,
204 const void** const DescriptorAddress)
205{
206 const uint8_t DescriptorType = (wValue >> 8);
207 const uint8_t DescriptorNumber = (wValue & 0xFF);
208
209 const void* Address = NULL;
210 uint16_t Size = NO_DESCRIPTOR;
211
212 switch (DescriptorType)
213 {
214 case DTYPE_Device:
215 Address = &DeviceDescriptor;
216 Size = sizeof(USB_Descriptor_Device_t);
217 break;
218 case DTYPE_Configuration:
219 Address = &ConfigurationDescriptor;
220 Size = sizeof(USB_Descriptor_Configuration_t);
221 break;
222 case DTYPE_String:
223 switch (DescriptorNumber)
224 {
225 case STRING_ID_Language:
226 Address = &LanguageString;
227 Size = pgm_read_byte(&LanguageString.Header.Size);
228 break;
229 case STRING_ID_Manufacturer:
230 Address = &ManufacturerString;
231 Size = pgm_read_byte(&ManufacturerString.Header.Size);
232 break;
233 case STRING_ID_Product:
234 Address = &ProductString;
235 Size = pgm_read_byte(&ProductString.Header.Size);
236 break;
237 }
238
239 break;
240 }
241
242 *DescriptorAddress = Address;
243 return Size;
244}
245
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-14 23:50:11 +0000