Endpoint_UC3.h 38.5 KB
 Dean Camera committed Feb 20, 2011 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 /* LUFA Library Copyright (C) Dean Camera, 2011. dean [at] fourwalledcubicle [dot] com www.lufa-lib.org */ /* Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, 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  Dean Camera committed Mar 13, 2011 32 33  * \brief USB Endpoint definitions for the AVR32 UC3 microcontrollers. * \copydetails Group_EndpointManagement_UC3  Dean Camera committed Feb 20, 2011 34 35 36 37 38 39  * * \note This file should not be included directly. It is automatically included as needed by the USB driver * dispatch header located in LUFA/Drivers/USB/USB.h. */ /** \ingroup Group_EndpointRW  Dean Camera committed Mar 13, 2011 40 41  * \defgroup Group_EndpointRW_UC3 Endpoint Data Reading and Writing (UC3) * \brief Endpoint data read/write definitions for the Atmel AVR32 UC3 architecture.  Dean Camera committed Feb 20, 2011 42 43 44 45 46  * * Functions, macros, variables, enums and types related to data reading and writing from and to endpoints. */ /** \ingroup Group_EndpointPrimitiveRW  Dean Camera committed Mar 13, 2011 47 48  * \defgroup Group_EndpointPrimitiveRW_UC3 Read/Write of Primitive Data Types (UC3) * \brief Endpoint primative read/write definitions for the Atmel AVR32 UC3 architecture.  Dean Camera committed Feb 20, 2011 49 50 51 52 53 54  * * Functions, macros, variables, enums and types related to data reading and writing of primitive data types * from and to endpoints. */ /** \ingroup Group_EndpointPacketManagement  Dean Camera committed Mar 13, 2011 55 56  * \defgroup Group_EndpointPacketManagement_UC3 Endpoint Packet Management (UC3) * \brief Endpoint packet management definitions for the Atmel AVR32 UC3 architecture.  Dean Camera committed Feb 20, 2011 57 58 59 60 61  * * Functions, macros, variables, enums and types related to packet management of endpoints. */ /** \ingroup Group_EndpointManagement  Dean Camera committed Mar 13, 2011 62 63  * \defgroup Group_EndpointManagement_UC3 Endpoint Management (UC3) * \brief Endpoint management definitions for the Atmel AVR32 UC3 architecture.  Dean Camera committed Feb 20, 2011 64 65 66 67 68 69 70 71  * * Functions, macros and enums related to endpoint management when in USB Device mode. This * module contains the endpoint management macros, as well as endpoint interrupt and data * send/receive functions for various data types. * * @{ */  Dean Camera committed Mar 13, 2011 72 73 #ifndef __ENDPOINT_UC3_H__ #define __ENDPOINT_UC3_H__  Dean Camera committed Feb 20, 2011 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  /* Includes: */ #include "../../../../Common/Common.h" #include "../USBTask.h" #include "../USBInterrupt.h" /* Enable C linkage for C++ Compilers: */ #if defined(__cplusplus) extern "C" { #endif /* Preprocessor Checks: */ #if !defined(__INCLUDE_FROM_USB_DRIVER) #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. #endif /* Private Interface - For use in library only: */ #if !defined(__DOXYGEN__) /* Macros: */ #define _ENDPOINT_GET_MAXSIZE(EPIndex) _ENDPOINT_GET_MAXSIZE2(ENDPOINT_DETAILS_EP ## EPIndex) #define _ENDPOINT_GET_MAXSIZE2(EPDetails) _ENDPOINT_GET_MAXSIZE3(EPDetails) #define _ENDPOINT_GET_MAXSIZE3(MaxSize, Banks) (MaxSize) #define _ENDPOINT_GET_BANKS(EPIndex) _ENDPOINT_GET_BANKS2(ENDPOINT_DETAILS_EP ## EPIndex) #define _ENDPOINT_GET_BANKS2(EPDetails) _ENDPOINT_GET_BANKS3(EPDetails) #define _ENDPOINT_GET_BANKS3(MaxSize, Banks) (Banks)  Dean Camera committed Mar 14, 2011 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  #if defined(USB_SERIES_UC3A0_AVR) || defined(USB_SERIES_UC3A1_AVR) #define ENDPOINT_DETAILS_MAXEP 7 #define ENDPOINT_DETAILS_EP0 64, 1 #define ENDPOINT_DETAILS_EP1 256, 2 #define ENDPOINT_DETAILS_EP2 256, 2 #define ENDPOINT_DETAILS_EP3 64, 2 #define ENDPOINT_DETAILS_EP4 64, 2 #define ENDPOINT_DETAILS_EP5 256, 2 #define ENDPOINT_DETAILS_EP6 256, 2 #elif defined(USB_SERIES_UC3A3_AVR) || defined(USB_SERIES_UC3A4_AVR) #define ENDPOINT_DETAILS_MAXEP 8 #define ENDPOINT_DETAILS_EP0 64, 1 #define ENDPOINT_DETAILS_EP1 512, 2 #define ENDPOINT_DETAILS_EP2 512, 2 #define ENDPOINT_DETAILS_EP3 512, 2 #define ENDPOINT_DETAILS_EP4 512, 2 #define ENDPOINT_DETAILS_EP5 512, 2 #define ENDPOINT_DETAILS_EP6 512, 2 #elif defined(USB_SERIES_UC3B0_AVR) || defined(USB_SERIES_UC3B1_AVR) #define ENDPOINT_DETAILS_MAXEP 7 #define ENDPOINT_DETAILS_EP0 64, 1 #define ENDPOINT_DETAILS_EP1 64, 2 #define ENDPOINT_DETAILS_EP2 64, 2 #define ENDPOINT_DETAILS_EP3 64, 2 #define ENDPOINT_DETAILS_EP4 64, 2 #define ENDPOINT_DETAILS_EP5 256, 2 #define ENDPOINT_DETAILS_EP6 256, 2 #endif  Dean Camera committed Feb 20, 2011 132 133  /* Inline Functions: */  Dean Camera committed Feb 26, 2011 134  static inline uint32_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST  Dean Camera committed Feb 27, 2011 135  ATTR_ALWAYS_INLINE;  Dean Camera committed Feb 26, 2011 136  static inline uint32_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes)  Dean Camera committed Feb 20, 2011 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155  { uint8_t MaskVal = 0; uint16_t CheckBytes = 8; while (CheckBytes < Bytes) { MaskVal++; CheckBytes <<= 1; } return (MaskVal << AVR32_USBB_EPSIZE_OFFSET); } /* Function Prototypes: */ void Endpoint_ClearEndpoints(void); bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, const uint32_t UECFGXData); /* External Variables: */  Dean Camera committed Mar 11, 2011 156 157  extern volatile uint8_t USB_SelectedEndpoint; extern volatile uint8_t* USB_EndpointFIFOPos[];  Dean Camera committed Feb 20, 2011 158 159 160 161 162 163 164 165 166  #endif /* Public Interface - May be used in end-application: */ /* Macros: */ /** \name Endpoint Direction Masks */ //@{ /** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint * should be initialized in the OUT direction - i.e. data flows from host to device. */  Dean Camera committed Feb 26, 2011 167  #define ENDPOINT_DIR_OUT AVR32_USBB_UECFG0_EPDIR_OUT  Dean Camera committed Feb 20, 2011 168 169 170 171  /** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint * should be initialized in the IN direction - i.e. data flows from device to host. */  Dean Camera committed Feb 26, 2011 172  #define ENDPOINT_DIR_IN AVR32_USBB_UECFG0_EPDIR_IN  Dean Camera committed Feb 20, 2011 173 174 175 176 177 178 179 180 181  //@} /** \name Endpoint Bank Mode Masks */ //@{ /** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates * that the endpoint should have one single bank, which requires less USB FIFO memory but results * in slower transfers as only one USB device (the AVR or the host) can access the endpoint's * bank at the one time. */  Dean Camera committed Feb 27, 2011 182  #define ENDPOINT_BANK_SINGLE AVR32_USBB_UECFG0_EPBK_SINGLE  Dean Camera committed Feb 20, 2011 183 184 185 186 187 188  /** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates * that the endpoint should have two banks, which requires more USB FIFO memory but results * in faster transfers as one USB device (the AVR or the host) can access one bank while the other * accesses the second bank. */  Dean Camera committed Feb 27, 2011 189  #define ENDPOINT_BANK_DOUBLE AVR32_USBB_UECFG0_EPBK_DOUBLE  Dean Camera committed Feb 20, 2011 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  //@} #if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__)) /** Default size of the default control endpoint's bank, until altered by the control endpoint bank size * value in the device descriptor. Not available if the \c FIXED_CONTROL_ENDPOINT_SIZE token is defined. */ #define ENDPOINT_CONTROLEP_DEFAULT_SIZE 8 #endif /** Retrives the maximum bank size in bytes of a given endpoint. * * \note This macro will only work correctly on endpoint indexes that are compile-time constants * defined by the preprocessor. * * \param[in] EPIndex Endpoint number, a value between 0 and (\ref ENDPOINT_TOTAL_ENDPOINTS - 1) */ #define ENDPOINT_MAX_SIZE(EPIndex) _ENDPOINT_GET_MAXSIZE(EPIndex) /** Retrieves the total number of banks supported by the given endpoint. * * \note This macro will only work correctly on endpoint indexes that are compile-time constants * defined by the preprocessor. * * \param[in] EPIndex Endpoint number, a value between 0 and (\ref ENDPOINT_TOTAL_ENDPOINTS - 1) */ #define ENDPOINT_BANKS_SUPPORTED(EPIndex) _ENDPOINT_GET_BANKS(EPIndex) #if !defined(CONTROL_ONLY_DEVICE) || defined(__DOXYGEN__) /** Total number of endpoints (including the default control endpoint at address 0) which may  Dean Camera committed Feb 27, 2011 219  * be used in the device. Different AVR models support different amounts of endpoints,  Dean Camera committed Feb 20, 2011 220 221 222 223 224 225 226 227 228 229  * this value reflects the maximum number of endpoints for the currently selected AVR model. */ #define ENDPOINT_TOTAL_ENDPOINTS ENDPOINT_DETAILS_MAXEP #else #define ENDPOINT_TOTAL_ENDPOINTS 1 #endif /* Enums: */ /** Enum for the possible error return codes of the \ref Endpoint_WaitUntilReady() function. *  Dean Camera committed Mar 13, 2011 230  * \ingroup Group_EndpointRW_UC3  Dean Camera committed Feb 20, 2011 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  */ enum Endpoint_WaitUntilReady_ErrorCodes_t { ENDPOINT_READYWAIT_NoError = 0, /**< Endpoint is ready for next packet, no error. */ ENDPOINT_READYWAIT_EndpointStalled = 1, /**< The endpoint was stalled during the stream * transfer by the host or device. */ ENDPOINT_READYWAIT_DeviceDisconnected = 2, /**< Device was disconnected from the host while * waiting for the endpoint to become ready. */ ENDPOINT_READYWAIT_BusSuspended = 3, /**< The USB bus has been suspended by the host and * no USB endpoint traffic can occur until the bus * has resumed. */ ENDPOINT_READYWAIT_Timeout = 4, /**< The host failed to accept or send the next packet * within the software timeout period set by the * \ref USB_STREAM_TIMEOUT_MS macro. */ }; /* Inline Functions: */ /** Configures the specified endpoint number with the given endpoint type, direction, bank size * and banking mode. Once configured, the endpoint may be read from or written to, depending * on its direction. * * \param[in] Number Endpoint number to configure. This must be more than 0 and less than * \ref ENDPOINT_TOTAL_ENDPOINTS. * * \param[in] Type Type of endpoint to configure, a \c EP_TYPE_* mask. Not all endpoint types * are available on Low Speed USB devices - refer to the USB 2.0 specification. * * \param[in] Direction Endpoint data direction, either \ref ENDPOINT_DIR_OUT or \ref ENDPOINT_DIR_IN. * All endpoints (except Control type) are unidirectional - data may only be read * from or written to the endpoint bank based on its direction, not both. * * \param[in] Size Size of the endpoint's bank, where packets are stored before they are transmitted * to the USB host, or after they have been received from the USB host (depending on * the endpoint's data direction). The bank size must indicate the maximum packet size * that the endpoint can handle. * * \param[in] Banks Number of banks to use for the endpoint being configured, an \c ENDPOINT_BANK_* mask. * More banks uses more USB DPRAM, but offers better performance. Isochronous type * endpoints must have at least two banks. * * \note When the \c ORDERED_EP_CONFIG compile time option is used, Endpoints must be configured in * ascending order, or bank corruption will occur. * \n\n *  Dean Camera committed Feb 27, 2011 279 280  * \note Different endpoints may have different maximum packet sizes based on the endpoint's index - refer to * the chosen microcontroller model's datasheet to determine the maximum bank size for each endpoint.  Dean Camera committed Feb 20, 2011 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302  * \n\n * * \note The default control endpoint should not be manually configured by the user application, as * it is automatically configured by the library internally. * \n\n * * \note This routine will automatically select the specified endpoint upon success. Upon failure, the endpoint * which failed to reconfigure correctly will be selected. * * \return Boolean \c true if the configuration succeeded, \c false otherwise. */ static inline bool Endpoint_ConfigureEndpoint(const uint8_t Number, const uint8_t Type, const uint8_t Direction, const uint16_t Size, const uint8_t Banks) ATTR_ALWAYS_INLINE; static inline bool Endpoint_ConfigureEndpoint(const uint8_t Number, const uint8_t Type, const uint8_t Direction, const uint16_t Size, const uint8_t Banks) {  Dean Camera committed Feb 26, 2011 303 304 305 306  return Endpoint_ConfigureEndpoint_Prv(Number, (AVR32_USBB_ALLOC_MASK | ((uint32_t)Type << AVR32_USBB_EPTYPE_OFFSET) | ((uint32_t)Direction << AVR32_USBB_EPDIR_OFFSET) | ((uint32_t)Banks << AVR32_USBB_EPBK_OFFSET) |  Dean Camera committed Feb 20, 2011 307 308 309 310 311 312 313 314  Endpoint_BytesToEPSizeMask(Size))); } /** Indicates the number of bytes currently stored in the current endpoint's selected bank. * * \note The return width of this function may differ, depending on the maximum endpoint bank size * of the selected AVR model. *  Dean Camera committed Mar 13, 2011 315  * \ingroup Group_EndpointRW_UC3  Dean Camera committed Feb 20, 2011 316 317 318 319 320 321  * * \return Total number of bytes in the currently selected Endpoint's FIFO buffer. */ static inline uint16_t Endpoint_BytesInEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint16_t Endpoint_BytesInEndpoint(void) {  Dean Camera committed Mar 05, 2011 322  return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].byct;  Dean Camera committed Feb 20, 2011 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356  } /** Get the endpoint address of the currently selected endpoint. This is typically used to save * the currently selected endpoint number so that it can be restored after another endpoint has * been manipulated. * * \return Index of the currently selected endpoint. */ static inline uint8_t Endpoint_GetCurrentEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint8_t Endpoint_GetCurrentEndpoint(void) { return USB_SelectedEndpoint; } /** Selects the given endpoint number. If the address from the device descriptors is used, the * value should be masked with the \ref ENDPOINT_EPNUM_MASK constant to extract only the endpoint * number (and discarding the endpoint direction bit). * * Any endpoint operations which do not require the endpoint number to be indicated will operate on * the currently selected endpoint. * * \param[in] EndpointNumber Endpoint number to select. */ static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE; static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber) { USB_SelectedEndpoint = EndpointNumber; } /** Resets the endpoint bank FIFO. This clears all the endpoint banks and resets the USB controller's * data In and Out pointers to the bank's contents. * * \param[in] EndpointNumber Endpoint number whose FIFO buffers are to be reset. */  Dean Camera committed Mar 05, 2011 357 358  static inline void Endpoint_ResetEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE; static inline void Endpoint_ResetEndpoint(const uint8_t EndpointNumber)  Dean Camera committed Feb 20, 2011 359  {  Dean Camera committed Feb 26, 2011 360 361  AVR32_USBB.uerst |= (AVR32_USBB_EPRST0_MASK << EndpointNumber); AVR32_USBB.uerst &= ~(AVR32_USBB_EPRST0_MASK << EndpointNumber);  Dean Camera committed Mar 05, 2011 362  USB_EndpointFIFOPos[EndpointNumber] = &AVR32_USBB_SLAVE[EndpointNumber * 0x10000];  Dean Camera committed Feb 20, 2011 363 364 365 366 367 368 369 370 371 372  } /** Enables the currently selected endpoint so that data can be sent and received through it to * and from a host. * * \note Endpoints must first be configured properly via \ref Endpoint_ConfigureEndpoint(). */ static inline void Endpoint_EnableEndpoint(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_EnableEndpoint(void) {  Dean Camera committed Feb 26, 2011 373  AVR32_USBB.uerst |= (AVR32_USBB_EPEN0_MASK << USB_SelectedEndpoint);  Dean Camera committed Feb 20, 2011 374 375 376 377 378 379 380 381  } /** Disables the currently selected endpoint so that data cannot be sent and received through it * to and from a host. */ static inline void Endpoint_DisableEndpoint(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_DisableEndpoint(void) {  Dean Camera committed Feb 26, 2011 382  AVR32_USBB.uerst &= ~(AVR32_USBB_EPEN0_MASK << USB_SelectedEndpoint);  Dean Camera committed Feb 20, 2011 383 384 385 386 387 388 389 390 391  } /** Determines if the currently selected endpoint is enabled, but not necessarily configured. * * \return Boolean \c true if the currently selected endpoint is enabled, \c false otherwise. */ static inline bool Endpoint_IsEnabled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline bool Endpoint_IsEnabled(void) {  Dean Camera committed Feb 26, 2011 392  return ((AVR32_USBB.uerst & (AVR32_USBB_EPEN0_MASK << USB_SelectedEndpoint)) ? true : false);  Dean Camera committed Feb 20, 2011 393 394 395 396 397 398  } /** Retrieves the number of busy banks in the currently selected endpoint, which have been queued for * transmission via the \ref Endpoint_ClearIN() command, or are awaiting acknowledgement via the * \ref Endpoint_ClearOUT() command. *  Dean Camera committed Mar 13, 2011 399  * \ingroup Group_EndpointPacketManagement_UC3  Dean Camera committed Feb 20, 2011 400 401 402 403 404  * * \return Total number of busy banks in the selected endpoint. */ static inline uint8_t Endpoint_GetBusyBanks(void) {  Dean Camera committed Mar 05, 2011 405  return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].nbusybk;  Dean Camera committed Feb 20, 2011 406 407 408 409 410 411 412  } /** Aborts all pending IN transactions on the currently selected endpoint, once the bank * has been queued for transmission to the host via \ref Endpoint_ClearIN(). This function * will terminate all queued transactions, resetting the endpoint banks ready for a new * packet. *  Dean Camera committed Mar 13, 2011 413  * \ingroup Group_EndpointPacketManagement_UC3  Dean Camera committed Feb 20, 2011 414 415 416 417 418  */ static inline void Endpoint_AbortPendingIN(void) { while (Endpoint_GetBusyBanks() != 0) {  Dean Camera committed Mar 05, 2011 419 420  (&AVR32_USBB.UECON0SET)[USB_SelectedEndpoint].killbks = true; while ((&AVR32_USBB.UECON0)[USB_SelectedEndpoint].killbk);  Dean Camera committed Feb 20, 2011 421 422 423 424 425 426 427 428 429  } } /** Determines if the currently selected endpoint may be read from (if data is waiting in the endpoint * bank and the endpoint is an OUT direction, or if the bank is not yet full if the endpoint is an IN * direction). This function will return false if an error has occurred in the endpoint, if the endpoint * is an OUT direction and no packet (or an empty packet) has been received, or if the endpoint is an IN * direction and the endpoint bank is full. *  Dean Camera committed Mar 13, 2011 430  * \ingroup Group_EndpointPacketManagement_UC3  Dean Camera committed Feb 20, 2011 431 432 433 434 435 436 437  * * \return Boolean \c true if the currently selected endpoint may be read from or written to, depending * on its direction. */ static inline bool Endpoint_IsReadWriteAllowed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline bool Endpoint_IsReadWriteAllowed(void) {  Dean Camera committed Mar 05, 2011 438  return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].rwall;  Dean Camera committed Feb 20, 2011 439 440 441 442 443 444 445 446 447  } /** Determines if the currently selected endpoint is configured. * * \return Boolean \c true if the currently selected endpoint has been configured, \c false otherwise. */ static inline bool Endpoint_IsConfigured(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline bool Endpoint_IsConfigured(void) {  Dean Camera committed Mar 05, 2011 448  return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].cfgok;  Dean Camera committed Feb 20, 2011 449 450 451 452 453 454 455 456 457 458 459  } /** Returns a mask indicating which INTERRUPT type endpoints have interrupted - i.e. their * interrupt duration has elapsed. Which endpoints have interrupted can be determined by * masking the return value against (1 << {Endpoint Number}). * * \return Mask whose bits indicate which endpoints have interrupted. */ static inline uint8_t Endpoint_GetEndpointInterrupts(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint8_t Endpoint_GetEndpointInterrupts(void) {  Dean Camera committed Feb 26, 2011 460 461 462 463  return ((AVR32_USBB.udint & (AVR32_USBB_EP6INT_MASK | AVR32_USBB_EP5INT_MASK | AVR32_USBB_EP4INT_MASK | AVR32_USBB_EP3INT_MASK | AVR32_USBB_EP2INT_MASK | AVR32_USBB_EP1INT_MASK | AVR32_USBB_EP0INT_MASK)) >> AVR32_USBB_EP0INT_OFFSET);  Dean Camera committed Feb 20, 2011 464 465 466 467 468 469 470 471 472 473 474 475  } /** Determines if the specified endpoint number has interrupted (valid only for INTERRUPT type * endpoints). * * \param[in] EndpointNumber Index of the endpoint whose interrupt flag should be tested. * * \return Boolean \c true if the specified endpoint has interrupted, \c false otherwise. */ static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber) {  Dean Camera committed Feb 26, 2011 476  return ((Endpoint_GetEndpointInterrupts() & (AVR32_USBB_EP0INT_MASK << EndpointNumber)) ? true : false);  Dean Camera committed Feb 20, 2011 477 478 479 480  } /** Determines if the selected IN endpoint is ready for a new packet to be sent to the host. *  Dean Camera committed Mar 13, 2011 481  * \ingroup Group_EndpointPacketManagement_UC3  Dean Camera committed Feb 20, 2011 482 483 484 485 486 487  * * \return Boolean \c true if the current endpoint is ready for an IN packet, \c false otherwise. */ static inline bool Endpoint_IsINReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline bool Endpoint_IsINReady(void) {  Dean Camera committed Mar 05, 2011 488  return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].txini;  Dean Camera committed Feb 20, 2011 489 490 491 492  } /** Determines if the selected OUT endpoint has received new packet from the host. *  Dean Camera committed Mar 13, 2011 493  * \ingroup Group_EndpointPacketManagement_UC3  Dean Camera committed Feb 20, 2011 494 495 496 497 498 499  * * \return Boolean \c true if current endpoint is has received an OUT packet, \c false otherwise. */ static inline bool Endpoint_IsOUTReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline bool Endpoint_IsOUTReceived(void) {  Dean Camera committed Mar 05, 2011 500  return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].rxouti;  Dean Camera committed Feb 20, 2011 501 502 503 504  } /** Determines if the current CONTROL type endpoint has received a SETUP packet. *  Dean Camera committed Mar 13, 2011 505  * \ingroup Group_EndpointPacketManagement_UC3  Dean Camera committed Feb 20, 2011 506 507 508 509 510 511  * * \return Boolean \c true if the selected endpoint has received a SETUP packet, \c false otherwise. */ static inline bool Endpoint_IsSETUPReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline bool Endpoint_IsSETUPReceived(void) {  Dean Camera committed Mar 05, 2011 512  return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].rxstpi;  Dean Camera committed Feb 20, 2011 513 514 515 516 517  } /** Clears a received SETUP packet on the currently selected CONTROL type endpoint, freeing up the * endpoint for the next packet. *  Dean Camera committed Mar 13, 2011 518  * \ingroup Group_EndpointPacketManagement_UC3  Dean Camera committed Feb 20, 2011 519 520 521 522 523 524  * * \note This is not applicable for non CONTROL type endpoints. */ static inline void Endpoint_ClearSETUP(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_ClearSETUP(void) {  Dean Camera committed Mar 05, 2011 525 526  (&AVR32_USBB.UESTA0CLR)[USB_SelectedEndpoint].rxstpic = true; USB_EndpointFIFOPos[USB_SelectedEndpoint] = &AVR32_USBB_SLAVE[USB_SelectedEndpoint * 0x10000];  Dean Camera committed Feb 20, 2011 527 528 529 530 531  } /** Sends an IN packet to the host on the currently selected endpoint, freeing up the endpoint for the * next packet and switching to the alternative endpoint bank if double banked. *  Dean Camera committed Mar 13, 2011 532  * \ingroup Group_EndpointPacketManagement_UC3  Dean Camera committed Feb 20, 2011 533 534 535 536  */ static inline void Endpoint_ClearIN(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_ClearIN(void) {  Dean Camera committed Mar 05, 2011 537 538 539  (&AVR32_USBB.UESTA0CLR)[USB_SelectedEndpoint].txinic = true; (&AVR32_USBB.UECON0CLR)[USB_SelectedEndpoint].fifoconc = true; USB_EndpointFIFOPos[USB_SelectedEndpoint] = &AVR32_USBB_SLAVE[USB_SelectedEndpoint * 0x10000];  Dean Camera committed Feb 20, 2011 540 541 542 543 544  } /** Acknowledges an OUT packet to the host on the currently selected endpoint, freeing up the endpoint * for the next packet and switching to the alternative endpoint bank if double banked. *  Dean Camera committed Mar 13, 2011 545  * \ingroup Group_EndpointPacketManagement_UC3  Dean Camera committed Feb 20, 2011 546 547 548 549  */ static inline void Endpoint_ClearOUT(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_ClearOUT(void) {  Dean Camera committed Mar 05, 2011 550 551 552  (&AVR32_USBB.UESTA0CLR)[USB_SelectedEndpoint].rxoutic = true; (&AVR32_USBB.UECON0CLR)[USB_SelectedEndpoint].fifoconc = true; USB_EndpointFIFOPos[USB_SelectedEndpoint] = &AVR32_USBB_SLAVE[USB_SelectedEndpoint * 0x10000];  Dean Camera committed Feb 20, 2011 553 554 555 556 557 558 559 560 561 562 563  } /** Stalls the current endpoint, indicating to the host that a logical problem occurred with the * indicated endpoint and that the current transfer sequence should be aborted. This provides a * way for devices to indicate invalid commands to the host so that the current transfer can be * aborted and the host can begin its own recovery sequence. * * The currently selected endpoint remains stalled until either the \ref Endpoint_ClearStall() macro * is called, or the host issues a CLEAR FEATURE request to the device for the currently selected * endpoint. *  Dean Camera committed Mar 13, 2011 564  * \ingroup Group_EndpointPacketManagement_UC3  Dean Camera committed Feb 20, 2011 565 566 567 568  */ static inline void Endpoint_StallTransaction(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_StallTransaction(void) {  Dean Camera committed Mar 05, 2011 569  (&AVR32_USBB.UECON0SET)[USB_SelectedEndpoint].stallrqs = true;  Dean Camera committed Feb 20, 2011 570 571 572 573  } /** Clears the STALL condition on the currently selected endpoint. *  Dean Camera committed Mar 13, 2011 574  * \ingroup Group_EndpointPacketManagement_UC3  Dean Camera committed Feb 20, 2011 575 576 577 578  */ static inline void Endpoint_ClearStall(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_ClearStall(void) {  Dean Camera committed Mar 05, 2011 579  (&AVR32_USBB.UECON0CLR)[USB_SelectedEndpoint].stallrqc = true;  Dean Camera committed Feb 20, 2011 580 581 582 583  } /** Determines if the currently selected endpoint is stalled, false otherwise. *  Dean Camera committed Mar 13, 2011 584  * \ingroup Group_EndpointPacketManagement_UC3  Dean Camera committed Feb 20, 2011 585 586 587 588 589 590  * * \return Boolean \c true if the currently selected endpoint is stalled, \c false otherwise. */ static inline bool Endpoint_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline bool Endpoint_IsStalled(void) {  Dean Camera committed Mar 05, 2011 591  return (&AVR32_USBB.UECON0)[USB_SelectedEndpoint].stallrq;  Dean Camera committed Feb 20, 2011 592 593 594 595 596 597  } /** Resets the data toggle of the currently selected endpoint. */ static inline void Endpoint_ResetDataToggle(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_ResetDataToggle(void) {  Dean Camera committed Mar 05, 2011 598  (&AVR32_USBB.UECON0SET)[USB_SelectedEndpoint].rstdts = true;  Dean Camera committed Feb 20, 2011 599 600 601 602 603 604  } /** Determines the currently selected endpoint's direction. * * \return The currently selected endpoint's direction, as a \c ENDPOINT_DIR_* mask. */  Dean Camera committed Mar 05, 2011 605 606  static inline uint32_t Endpoint_GetEndpointDirection(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint32_t Endpoint_GetEndpointDirection(void)  Dean Camera committed Feb 20, 2011 607  {  Dean Camera committed Mar 11, 2011 608  return ((&AVR32_USBB.UECFG0)[USB_SelectedEndpoint].epdir ? ENDPOINT_DIR_IN : ENDPOINT_DIR_OUT);  Dean Camera committed Feb 20, 2011 609 610 611 612 613 614 615 616 617  } /** Sets the direction of the currently selected endpoint. * * \param[in] DirectionMask New endpoint direction, as a \c ENDPOINT_DIR_* mask. */ static inline void Endpoint_SetEndpointDirection(const uint32_t DirectionMask) ATTR_ALWAYS_INLINE; static inline void Endpoint_SetEndpointDirection(const uint32_t DirectionMask) {  Dean Camera committed Mar 05, 2011 618  (&AVR32_USBB.UECFG0)[USB_SelectedEndpoint].epdir = (DirectionMask == ENDPOINT_DIR_IN);  Dean Camera committed Feb 20, 2011 619 620 621 622  } /** Reads one byte from the currently selected endpoint's bank, for OUT direction endpoints. *  Dean Camera committed Feb 20, 2011 623  * \ingroup Group_EndpointPrimitiveRW_AVR32  Dean Camera committed Feb 20, 2011 624 625 626 627 628 629  * * \return Next byte in the currently selected endpoint's FIFO buffer. */ static inline uint8_t Endpoint_Read_Byte(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint8_t Endpoint_Read_Byte(void) {  Dean Camera committed Mar 11, 2011 630  return *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);  Dean Camera committed Feb 20, 2011 631 632 633 634  } /** Writes one byte from the currently selected endpoint's bank, for IN direction endpoints. *  Dean Camera committed Feb 20, 2011 635  * \ingroup Group_EndpointPrimitiveRW_AVR32  Dean Camera committed Feb 20, 2011 636 637 638 639 640 641  * * \param[in] Byte Next byte to write into the the currently selected endpoint's FIFO buffer. */ static inline void Endpoint_Write_Byte(const uint8_t Byte) ATTR_ALWAYS_INLINE; static inline void Endpoint_Write_Byte(const uint8_t Byte) {  Dean Camera committed Mar 11, 2011 642  *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = Byte;  Dean Camera committed Feb 20, 2011 643 644 645 646  } /** Discards one byte from the currently selected endpoint's bank, for OUT direction endpoints. *  Dean Camera committed Mar 13, 2011 647  * \ingroup Group_EndpointPrimitiveRW_UC3  Dean Camera committed Feb 20, 2011 648 649 650 651 652 653  */ static inline void Endpoint_Discard_Byte(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_Discard_Byte(void) { uint8_t Dummy;  Dean Camera committed Mar 11, 2011 654  Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);  Dean Camera committed Feb 20, 2011 655 656 657 658 659  } /** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT * direction endpoints. *  Dean Camera committed Mar 13, 2011 660  * \ingroup Group_EndpointPrimitiveRW_UC3  Dean Camera committed Feb 20, 2011 661 662 663 664 665 666  * * \return Next word in the currently selected endpoint's FIFO buffer. */ static inline uint16_t Endpoint_Read_Word_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint16_t Endpoint_Read_Word_LE(void) {  Dean Camera committed Mar 11, 2011 667 668  uint16_t Byte1 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); uint16_t Byte0 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);  Dean Camera committed Feb 20, 2011 669   Dean Camera committed Mar 05, 2011 670  return ((Byte0 << 8) | Byte1);  Dean Camera committed Feb 20, 2011 671 672 673 674 675  } /** Reads two bytes from the currently selected endpoint's bank in big endian format, for OUT * direction endpoints. *  Dean Camera committed Mar 13, 2011 676  * \ingroup Group_EndpointPrimitiveRW_UC3  Dean Camera committed Feb 20, 2011 677 678 679 680 681 682  * * \return Next word in the currently selected endpoint's FIFO buffer. */ static inline uint16_t Endpoint_Read_Word_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint16_t Endpoint_Read_Word_BE(void) {  Dean Camera committed Mar 11, 2011 683 684  uint16_t Byte0 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); uint16_t Byte1 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);  Dean Camera committed Feb 20, 2011 685   Dean Camera committed Mar 05, 2011 686  return ((Byte0 << 8) | Byte1);  Dean Camera committed Feb 20, 2011 687 688 689 690 691  } /** Writes two bytes to the currently selected endpoint's bank in little endian format, for IN * direction endpoints. *  Dean Camera committed Mar 13, 2011 692  * \ingroup Group_EndpointPrimitiveRW_UC3  Dean Camera committed Feb 20, 2011 693 694 695 696 697 698  * * \param[in] Word Next word to write to the currently selected endpoint's FIFO buffer. */ static inline void Endpoint_Write_Word_LE(const uint16_t Word) ATTR_ALWAYS_INLINE; static inline void Endpoint_Write_Word_LE(const uint16_t Word) {  Dean Camera committed Mar 11, 2011 699 700  *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Word >> 8); *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Word & 0xFF);  Dean Camera committed Feb 20, 2011 701 702 703 704 705  } /** Writes two bytes to the currently selected endpoint's bank in big endian format, for IN * direction endpoints. *  Dean Camera committed Mar 13, 2011 706  * \ingroup Group_EndpointPrimitiveRW_UC3  Dean Camera committed Feb 20, 2011 707 708 709 710 711 712  * * \param[in] Word Next word to write to the currently selected endpoint's FIFO buffer. */ static inline void Endpoint_Write_Word_BE(const uint16_t Word) ATTR_ALWAYS_INLINE; static inline void Endpoint_Write_Word_BE(const uint16_t Word) {  Dean Camera committed Mar 11, 2011 713 714  *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Word & 0xFF); *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Word >> 8);  Dean Camera committed Feb 20, 2011 715 716 717 718  } /** Discards two bytes from the currently selected endpoint's bank, for OUT direction endpoints. *  Dean Camera committed Mar 13, 2011 719  * \ingroup Group_EndpointPrimitiveRW_UC3  Dean Camera committed Feb 20, 2011 720 721 722 723 724 725  */ static inline void Endpoint_Discard_Word(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_Discard_Word(void) { uint8_t Dummy;  Dean Camera committed Mar 11, 2011 726 727  Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);  Dean Camera committed Feb 20, 2011 728 729 730 731 732  } /** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT * direction endpoints. *  Dean Camera committed Mar 13, 2011 733  * \ingroup Group_EndpointPrimitiveRW_UC3  Dean Camera committed Feb 20, 2011 734 735 736 737 738 739  * * \return Next double word in the currently selected endpoint's FIFO buffer. */ static inline uint32_t Endpoint_Read_DWord_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint32_t Endpoint_Read_DWord_LE(void) {  Dean Camera committed Mar 11, 2011 740 741 742 743  uint32_t Byte3 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); uint32_t Byte2 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); uint32_t Byte1 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); uint32_t Byte0 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);  Dean Camera committed Feb 20, 2011 744   Dean Camera committed Mar 05, 2011 745  return ((Byte0 << 24) | (Byte1 << 16) | (Byte2 << 8) | Byte3);  Dean Camera committed Feb 20, 2011 746 747 748 749 750  } /** Reads four bytes from the currently selected endpoint's bank in big endian format, for OUT * direction endpoints. *  Dean Camera committed Mar 13, 2011 751  * \ingroup Group_EndpointPrimitiveRW_UC3  Dean Camera committed Feb 20, 2011 752 753 754 755 756 757  * * \return Next double word in the currently selected endpoint's FIFO buffer. */ static inline uint32_t Endpoint_Read_DWord_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint32_t Endpoint_Read_DWord_BE(void) {  Dean Camera committed Mar 11, 2011 758 759 760 761  uint32_t Byte0 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); uint32_t Byte1 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); uint32_t Byte2 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); uint32_t Byte3 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);  Dean Camera committed Feb 20, 2011 762   Dean Camera committed Mar 05, 2011 763  return ((Byte0 << 24) | (Byte1 << 16) | (Byte2 << 8) | Byte3);  Dean Camera committed Feb 20, 2011 764 765 766 767 768  } /** Writes four bytes to the currently selected endpoint's bank in little endian format, for IN * direction endpoints. *  Dean Camera committed Mar 13, 2011 769  * \ingroup Group_EndpointPrimitiveRW_UC3  Dean Camera committed Feb 20, 2011 770 771 772 773 774 775  * * \param[in] DWord Next double word to write to the currently selected endpoint's FIFO buffer. */ static inline void Endpoint_Write_DWord_LE(const uint32_t DWord) ATTR_ALWAYS_INLINE; static inline void Endpoint_Write_DWord_LE(const uint32_t DWord) {  Dean Camera committed Mar 11, 2011 776 777 778 779  *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (DWord >> 24); *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (DWord >> 16); *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (DWord >> 8); *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (DWord & 0xFF);  Dean Camera committed Feb 20, 2011 780 781 782 783 784  } /** Writes four bytes to the currently selected endpoint's bank in big endian format, for IN * direction endpoints. *  Dean Camera committed Mar 13, 2011 785  * \ingroup Group_EndpointPrimitiveRW_UC3  Dean Camera committed Feb 20, 2011 786 787 788 789 790 791  * * \param[in] DWord Next double word to write to the currently selected endpoint's FIFO buffer. */ static inline void Endpoint_Write_DWord_BE(const uint32_t DWord) ATTR_ALWAYS_INLINE; static inline void Endpoint_Write_DWord_BE(const uint32_t DWord) {  Dean Camera committed Mar 11, 2011 792 793 794 795  *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (DWord & 0xFF); *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (DWord >> 8); *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (DWord >> 16); *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (DWord >> 24);  Dean Camera committed Feb 20, 2011 796 797 798 799  } /** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints. *  Dean Camera committed Mar 13, 2011 800  * \ingroup Group_EndpointPrimitiveRW_UC3  Dean Camera committed Feb 20, 2011 801 802 803 804 805 806  */ static inline void Endpoint_Discard_DWord(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_Discard_DWord(void) { uint8_t Dummy;  Dean Camera committed Mar 11, 2011 807 808 809 810  Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);  Dean Camera committed Feb 20, 2011 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846  } /* External Variables: */ /** Global indicating the maximum packet size of the default control endpoint located at address * 0 in the device. This value is set to the value indicated in the device descriptor in the user * project once the USB interface is initialized into device mode. * * If space is an issue, it is possible to fix this to a static value by defining the control * endpoint size in the \c FIXED_CONTROL_ENDPOINT_SIZE token passed to the compiler in the makefile * via the -D switch. When a fixed control endpoint size is used, the size is no longer dynamically * read from the descriptors at runtime and instead fixed to the given value. When used, it is * important that the descriptor control endpoint size value matches the size given as the * \c FIXED_CONTROL_ENDPOINT_SIZE token - it is recommended that the \c FIXED_CONTROL_ENDPOINT_SIZE token * be used in the device descriptors to ensure this. * * \note This variable should be treated as read-only in the user application, and never manually * changed in value. */ #if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__)) extern uint8_t USB_ControlEndpointSize; #else #define USB_ControlEndpointSize FIXED_CONTROL_ENDPOINT_SIZE #endif /* Function Prototypes: */ /** Completes the status stage of a control transfer on a CONTROL type endpoint automatically, * with respect to the data direction. This is a convenience function which can be used to * simplify user control request handling. */ void Endpoint_ClearStatusStage(void); /** Spin-loops until the currently selected non-control endpoint is ready for the next packet of data * to be read or written to it. * * \note This routine should not be called on CONTROL type endpoints. *  Dean Camera committed Mar 13, 2011 847  * \ingroup Group_EndpointRW_UC3  Dean Camera committed Feb 20, 2011 848 849 850 851 852 853 854 855 856 857 858 859 860 861  * * \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum. */ uint8_t Endpoint_WaitUntilReady(void); /* Disable C linkage for C++ Compilers: */ #if defined(__cplusplus) } #endif #endif /** @} */