/* 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. */ /** \file * * Header file for Descriptors.c. */ #ifndef _DESCRIPTORS_H_ #define _DESCRIPTORS_H_ /* Includes: */ #include #include #include /* Macros: */ #if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) || defined(__DOXYGEN__) /** Endpoint number of the Audio isochronous streaming data endpoint. */ #define AUDIO_STREAM_EPNUM 1 #else #define AUDIO_STREAM_EPNUM 3 #endif /** Endpoint size in bytes of the Audio isochronous streaming data endpoint. The Windows audio stack requires * at least 192 bytes for correct output, thus the smaller 128 byte maximum endpoint size on some of the smaller * USB AVR models will result in unavoidable distorted output. */ #define AUDIO_STREAM_EPSIZE ENDPOINT_MAX_SIZE(AUDIO_STREAM_EPNUM) /** Sample frequency of the data being transmitted through the streaming endpoint. */ #define AUDIO_SAMPLE_FREQUENCY 48000 /* Type Defines: */ /** Type define for the device configuration descriptor structure. This must be defined in the * application code, as the configuration descriptor contains several sub-descriptors which * vary between devices, and which describe the device's usage to the host. */ typedef struct { USB_Descriptor_Configuration_Header_t Config; USB_Descriptor_Interface_t AudioControlInterface; USB_AudioInterface_AC_t AudioControlInterface_SPC; USB_AudioInputTerminal_t InputTerminal; USB_AudioOutputTerminal_t OutputTerminal; USB_Descriptor_Interface_t AudioStreamInterface_Alt0; USB_Descriptor_Interface_t AudioStreamInterface_Alt1; USB_AudioInterface_AS_t AudioStreamInterface_SPC; USB_AudioFormat_t AudioFormat; USB_AudioStreamEndpoint_Std_t AudioEndpoint; USB_AudioStreamEndpoint_Spc_t AudioEndpoint_SPC; } USB_Descriptor_Configuration_t; /* Function Prototypes: */ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3); #endif 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