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Start update of documentation to support possible multiple architectures in the future - alter \file documentation to automatically copy in the module documentation where possible.

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This commit is contained in:
Dean Camera 2011-02-20 13:08:29 +00:00
parent 1daa5e16f9
commit 5e73190582
98 changed files with 256 additions and 590 deletions
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55
LUFA/Drivers/USB/Core/AVR8/Device.h
View file

@ -29,9 +29,8 @@
*/
/** \file
* \brief USB device mode definitions (AVR8)
*
* This file contains structures, function prototypes and macros related to USB device mode.
* \brief USB Device definitions for the AVR8 microcontrollers.
* \copydetails Group_Device_AVR8
*
* \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.
@ -39,9 +38,9 @@
/** \ingroup Group_Device
* \defgroup Group_Device_AVR8 Device Management (AVR8)
* \brief USB Device definitions for the AVR8 microcontrollers.
*
* USB Device mode related macros and enums. This module contains macros and enums which are used when
* the USB controller is initialized in device mode.
* Architecture specific USB Device definitions for the Atmel 8-bit AVR microcontrollers.
*
* @{
*/
@ -55,17 +54,15 @@
#include "../USBInterrupt.h"
#include "../Endpoint.h"
#include <avr/boot.h>
/* Preprocessor Checks: */
#if (defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS))
#error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive.
#endif
#if !defined(__INCLUDE_FROM_USB_DRIVER)
#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
#endif
#if (defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS))
#error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive.
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
/** \name USB Device Mode Option Masks */
@ -125,7 +122,7 @@
* the \ref USB_OPT_MANUAL_PLL option enabled, the user must ensure that the PLL is running
* before attempting to call this function.
*
* \see \ref Group_Descriptors for more information on the RMWAKEUP feature and device descriptors.
* \see \ref Group_StdDescriptors for more information on the RMWAKEUP feature and device descriptors.
*/
void USB_Device_SendRemoteWakeup(void);
@ -192,40 +189,6 @@
}
#endif
/* Function Prototypes: */
/** Function to retrieve a given descriptor's size and memory location from the given descriptor type value,
* index and language ID. This function MUST be overridden in the user application (added with full, identical
* prototype and name so that the library can call it to retrieve descriptor data.
*
* \param[in] wValue The type of the descriptor to retrieve in the upper byte, and the index in the
* lower byte (when more than one descriptor of the given type exists, such as the
* case of string descriptors). The type may be one of the standard types defined
* in the DescriptorTypes_t enum, or may be a class-specific descriptor type value.
* \param[in] wIndex The language ID of the string to return if the \c wValue type indicates
* \ref DTYPE_String, otherwise zero for standard descriptors, or as defined in a
* class-specific standards.
* \param[out] DescriptorAddress Pointer to the descriptor in memory. This should be set by the routine to
* the address of the descriptor.
* \param[out] MemoryAddressSpace A value from the \ref USB_DescriptorMemorySpaces_t enum to indicate the memory
* space in which the descriptor is stored. This parameter does not exist when one
* of the \c USE_*_DESCRIPTORS compile time options is used.
*
* \note By default, the library expects all descriptors to be located in flash memory via the \c PROGMEM attribute.
* If descriptors should be located in RAM or EEPROM instead (to speed up access in the case of RAM, or to
* allow the descriptors to be changed dynamically at runtime) either the \c USE_RAM_DESCRIPTORS or the
* \c USE_EEPROM_DESCRIPTORS tokens may be defined in the project makefile and passed to the compiler by the -D
* switch.
*
* \return Size in bytes of the descriptor if it exists, zero or \ref NO_DESCRIPTOR otherwise.
*/
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
const uint8_t wIndex,
const void** const DescriptorAddress
#if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)
, uint8_t* MemoryAddressSpace
#endif
) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Inline Functions: */

7
LUFA/Drivers/USB/Core/AVR8/Endpoint.h
View file

@ -29,10 +29,8 @@
*/
/** \file
* \brief USB device endpoint management definitions.
*
* This file contains structures, function prototypes and macros related to the management of the device's
* data endpoints when the library is initialized in USB device mode.
* \brief USB Endpoint definitions for the AVR8 microcontrollers.
* \copydetails Group_EndpointManagement_AVR8
*
* \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.
@ -40,6 +38,7 @@
/** \ingroup Group_EndpointRW
* \defgroup Group_EndpointRW_AVR8 Endpoint Data Reading and Writing (AVR8)
* \brief USB Endpoint definitions for the AVR8 microcontrollers.
*
* Functions, macros, variables, enums and types related to data reading and writing from and to endpoints.
*/

9
LUFA/Drivers/USB/Core/AVR8/Host.h
View file

@ -29,9 +29,8 @@
*/
/** \file
* \brief USB host mode definitions (AVR8)
*
* This file contains structures, function prototypes and macros related to USB host mode.
* \brief USB Host definitions for the AVR8 microcontrollers.
* \copydetails Group_Host_AVR8
*
* \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.
@ -39,9 +38,9 @@
/** \ingroup Group_Host
* \defgroup Group_Host_AVR8 Host Management (AVR8)
* \brief USB Host definitions for the AVR8 microcontrollers.
*
* USB Host mode related macros and enums. This module contains macros and enums which are used when
* the USB controller is initialized in host mode.
* Architecture specific USB Host definitions for the Atmel 8-bit AVR microcontrollers.
*
* @{
*/

11
LUFA/Drivers/USB/Core/AVR8/OTG.h
View file

@ -29,10 +29,8 @@
*/
/** \file
* \brief USB OTG mode definitions (AVR8)
*
* This file contains structures, function prototypes and macros related to USB OTG mode, where two USB devices
* may be linked directly together and exchange host/device roles as needed.
* \brief USB OTG definitions for the AVR8 microcontrollers.
* \copydetails Group_OTG_AVR8
*
* \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.
@ -40,10 +38,9 @@
/** \ingroup Group_OTG
* \defgroup Group_OTG_AVR8 USB On The Go (OTG) Management (AVR8)
* \brief USB OTG definitions for the AVR8 microcontrollers.
*
* This module contains macros for embedded USB hosts with dual role On The Go capabilities, for managing role
* exchange. OTG is a way for two USB dual role devices to talk to one another directly without fixed device/host
* roles.
* Architecture specific USB OTG definitions for the Atmel 8-bit AVR microcontrollers.
*
* @{
*/

7
LUFA/Drivers/USB/Core/AVR8/Pipe.h
View file

@ -29,10 +29,8 @@
*/
/** \file
* \brief USB host pipe management definitions.
*
* This file contains structures, function prototypes and macros related to the management of the device's
* data pipes when the library is initialized in USB host mode.
* \brief USB Pipe definitions for the AVR8 microcontrollers.
* \copydetails Group_PipeManagement_AVR8
*
* \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.
@ -40,6 +38,7 @@
/** \ingroup Group_PipeRW
* \defgroup Group_PipeRW_AVR8 Pipe Data Reading and Writing (AVR8)
* \brief USB Pipe definitions for the AVR8 microcontrollers.
*
* Functions, macros, variables, enums and types related to data reading and writing from and to pipes.
*/

9
LUFA/Drivers/USB/Core/AVR8/USBController.h
View file

@ -29,10 +29,8 @@
*/
/** \file
* \brief USB low level USB controller definitions (AVR8)
*
* This file contains structures, function prototypes and macros related to the low level configuration of the
* USB controller, to start, stop and reset the USB library core.
* \brief USB Controller definitions for the AVR8 microcontrollers.
* \copydetails Group_USBManagement_AVR8
*
* \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.
@ -40,6 +38,7 @@
/** \ingroup Group_USBManagement
* \defgroup Group_USBManagement_AVR8 USB Interface Management (AVR8)
* \brief USB Controller definitions for the AVR8 microcontrollers.
*
* Functions, macros, variables, enums and types related to the setup and management of the USB interface.
*
@ -82,7 +81,7 @@
#endif
#if !defined(F_CLOCK)
#error F_CLOCK is not defined. You must define F_CLOCK to the frequency of the unprescaled input clock in your project makefile.
#error F_CLOCK is not defined. You must define F_CLOCK to the frequency of the unprescaled USB controller clock in your project makefile.
#endif
#if (F_CLOCK == 8000000)

12
LUFA/Drivers/USB/Core/AVR8/USBInterrupt.h
View file

@ -29,7 +29,7 @@
*/
/** \file
* \brief USB controller interrupt service routine management (AVR8)
* \brief USB Controller Interrupt definitions for the AVR8 microcontrollers.
*
* This file contains definitions required for the correct handling of low level USB service routine interrupts
* from the USB controller.
@ -63,11 +63,11 @@
#define USB_INT_IsEnabled(int) ((USB_INT_GET_EN_REG(int) & USB_INT_GET_EN_MASK(int)) ? true : false)
#define USB_INT_HasOccurred(int) ((USB_INT_GET_INT_REG(int) & USB_INT_GET_INT_MASK(int)) ? true : false)
#define USB_INT_GET_EN_REG(a, b, c, d) a
#define USB_INT_GET_EN_MASK(a, b, c, d) b
#define USB_INT_GET_INT_REG(a, b, c, d) c
#define USB_INT_GET_INT_MASK(a, b, c, d) d
#define USB_INT_GET_EN_REG(EnableReg, EnableMask, FlagReg, FlagMask) EnableReg
#define USB_INT_GET_EN_MASK(EnableReg, EnableMask, FlagReg, FlagMask) EnableMask
#define USB_INT_GET_INT_REG(EnableReg, EnableMask, FlagReg, FlagMask) FlagReg
#define USB_INT_GET_INT_MASK(EnableReg, EnableMask, FlagReg, FlagMask) FlagMask
#define USB_INT_VBUS USBCON, (1 << VBUSTE) , USBINT, (1 << VBUSTI)
#define USB_INT_IDTI USBCON, (1 << IDTE) , USBINT, (1 << IDTI)
#define USB_INT_WAKEUPI UDIEN , (1 << WAKEUPE), UDINT , (1 << WAKEUPI)

12
LUFA/Drivers/USB/Core/ConfigDescriptor.h
View file

@ -29,11 +29,8 @@
*/
/** \file
* \brief Configuration descriptor parser API.
*
* This section of the library gives a friendly API which can be used in host applications to easily
* parse an attached device's configuration descriptor so that endpoint, interface and other descriptor
* data can be extracted and used as needed.
* \brief USB Configuration Descriptor definitions.
* \copydetails Group_ConfigDescriptorParser
*
* \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.
@ -41,8 +38,11 @@
/** \ingroup Group_Descriptors
* \defgroup Group_ConfigDescriptorParser Configuration Descriptor Parser
* \brief USB Configuration Descriptor definitions.
*
* Functions, macros, variables, enums and types related to the parsing of Configuration Descriptors.
* This section of the library gives a friendly API which can be used in host applications to easily
* parse an attached device's configuration descriptor so that endpoint, interface and other descriptor
* data can be extracted and used as needed.
*
* @{
*/

42
LUFA/Drivers/USB/Core/Device.h
View file

@ -29,10 +29,8 @@
*/
/** \file
* \brief Common USB device mode definitions.
*
* This file contains common structures, function prototypes and macros related to USB device mode for all
* architectures.
* \brief Common USB Device definitions for all architectures.
* \copydetails Group_Device
*
* \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.
@ -40,6 +38,7 @@
/** \ingroup Group_USB
* \defgroup Group_Device Device Management
* \brief Common USB Device definitions for all architectures.
*
* USB Device mode related definitions common to all architectures. This module contains definitions which
* are used when the USB controller is initialized in device mode.
@ -65,6 +64,41 @@
#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
#endif
/* Public Interface - May be used in end-application: */
/* Function Prototypes: */
/** Function to retrieve a given descriptor's size and memory location from the given descriptor type value,
* index and language ID. This function MUST be overridden in the user application (added with full, identical
* prototype and name so that the library can call it to retrieve descriptor data.
*
* \param[in] wValue The type of the descriptor to retrieve in the upper byte, and the index in the
* lower byte (when more than one descriptor of the given type exists, such as the
* case of string descriptors). The type may be one of the standard types defined
* in the DescriptorTypes_t enum, or may be a class-specific descriptor type value.
* \param[in] wIndex The language ID of the string to return if the \c wValue type indicates
* \ref DTYPE_String, otherwise zero for standard descriptors, or as defined in a
* class-specific standards.
* \param[out] DescriptorAddress Pointer to the descriptor in memory. This should be set by the routine to
* the address of the descriptor.
* \param[out] MemoryAddressSpace A value from the \ref USB_DescriptorMemorySpaces_t enum to indicate the memory
* space in which the descriptor is stored. This parameter does not exist when one
* of the \c USE_*_DESCRIPTORS compile time options is used.
*
* \note By default, the library expects all descriptors to be located in flash memory via the \c PROGMEM attribute.
* If descriptors should be located in RAM or EEPROM instead (to speed up access in the case of RAM, or to
* allow the descriptors to be changed dynamically at runtime) either the \c USE_RAM_DESCRIPTORS or the
* \c USE_EEPROM_DESCRIPTORS tokens may be defined in the project makefile and passed to the compiler by the -D
* switch.
*
* \return Size in bytes of the descriptor if it exists, zero or \ref NO_DESCRIPTOR otherwise.
*/
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
const uint8_t wIndex,
const void** const DescriptorAddress
#if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)
, uint8_t* MemoryAddressSpace
#endif
) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
#endif
/** @} */

7
LUFA/Drivers/USB/Core/Endpoint.h
View file

@ -29,10 +29,8 @@
*/
/** \file
* \brief USB device endpoint management definitions.
*
* This file contains structures, function prototypes and macros related to the management of the device's
* data endpoints when the library is initialized in USB device mode.
* \brief Common USB Endpoint definitions for all architectures.
* \copydetails Group_EndpointManagement
*
* \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.
@ -40,6 +38,7 @@
/** \ingroup Group_EndpointManagement
* \defgroup Group_EndpointRW Endpoint Data Reading and Writing
* \brief Common USB Endpoint definitions for all architectures.
*
* Functions, macros, variables, enums and types related to data reading and writing from and to endpoints.
*/

7
LUFA/Drivers/USB/Core/EndpointStream.h
View file

@ -29,10 +29,8 @@
*/
/** \file
* \brief USB device endpoint stream function definitions.
*
* This file contains structures, function prototypes and macros related to the sending and receiving of
* arbitrary data streams through the device's data endpoints when the library is initialized in USB device mode.
* \brief Endpoint data stream transmission and reception management.
* \copydetails Group_EndpointStreamRW
*
* \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.
@ -40,6 +38,7 @@
/** \ingroup Group_EndpointRW
* \defgroup Group_EndpointStreamRW Read/Write of Multi-Byte Streams
* \brief Endpoint data stream transmission and reception management.
*
* Functions, macros, variables, enums and types related to data reading and writing of data streams from
* and to endpoints.

16
LUFA/Drivers/USB/Core/Events.h
View file

@ -29,19 +29,8 @@
*/
/** \file
* \brief USB controller events manager.
*
* This file contains macros and functions relating to the management of library events, which are small
* pieces of code similar to ISRs which are run when a given condition is met. Each event can be fired from
* multiple places in the user or library code, which may or may not be inside an ISR, thus each handler
* should be written to be as small and fast as possible to prevent possible problems.
*
* Events can be hooked by the user application by declaring a handler function with the same name and parameters
* listed here. If an event with no user-associated handler is fired within the library, it by default maps to an
* internal empty stub function.
*
* Each event must only have one associated event handler, but can be raised by multiple sources by calling the
* event handler function (with any required event parameters).
* \brief USB Event management definitions.
* \copydetails Group_Events
*
* \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.
@ -49,6 +38,7 @@
/** \ingroup Group_USB
* \defgroup Group_Events USB Events
* \brief USB Event management definitions.
*
* This module contains macros and functions relating to the management of library events, which are small
* pieces of code similar to ISRs which are run when a given condition is met. Each event can be fired from

7
LUFA/Drivers/USB/Core/Host.h
View file

@ -29,10 +29,8 @@
*/
/** \file
* \brief USB host mode definitions.
*
* USB Host mode related macros and enums. This module contains macros and enums which are used when
* the USB controller is initialized in host mode.
* \brief Common USB Host definitions for all architectures.
* \copydetails Group_Host
*
* \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.
@ -40,6 +38,7 @@
/** \ingroup Group_USB
* \defgroup Group_Host Host Management
* \brief Common USB Host definitions for all architectures.
*
* USB Host mode related macros and enums. This module contains macros and enums which are used when
* the USB controller is initialized in host mode.

7
LUFA/Drivers/USB/Core/OTG.h
View file

@ -29,10 +29,8 @@
*/
/** \file
* \brief USB OTG mode definitions.
*
* This file contains structures, function prototypes and macros related to USB OTG mode, where two USB devices
* may be linked directly together and exchange host/device roles as needed.
* \brief Common USB OTG definitions for all architectures.
* \copydetails Group_OTG
*
* \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.
@ -40,6 +38,7 @@
/** \ingroup Group_USB
* \defgroup Group_OTG USB On The Go (OTG) Management
* \brief Common USB OTG definitions for all architectures.
*
* This module contains macros for embedded USB hosts with dual role On The Go capabilities, for managing role
* exchange. OTG is a way for two USB dual role devices to talk to one another directly without fixed device/host

7
LUFA/Drivers/USB/Core/Pipe.h
View file

@ -29,10 +29,8 @@
*/
/** \file
* \brief USB host pipe management definitions.
*
* This file contains structures, function prototypes and macros related to the management of the device's
* data pipes when the library is initialized in USB host mode.
* \brief Common USB Pipe definitions for all architectures.
* \copydetails Group_PipeManagement
*
* \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.
@ -40,6 +38,7 @@
/** \ingroup Group_PipeManagement
* \defgroup Group_PipeRW Pipe Data Reading and Writing
* \brief Common USB Pipe definitions for all architectures.
*
* Functions, macros, variables, enums and types related to data reading and writing from and to pipes.
*/

7
LUFA/Drivers/USB/Core/PipeStream.h
View file

@ -29,10 +29,8 @@
*/
/** \file
* \brief USB host pipe stream function definitions.
*
* This file contains structures, function prototypes and macros related to the sending and receiving of
* arbitrary data streams through the device's data pipes when the library is initialized in USB host mode.
* \brief Pipe data stream transmission and reception management.
* \copydetails Group_PipeStreamRW
*
* \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.
@ -40,6 +38,7 @@
/** \ingroup Group_PipeRW
* \defgroup Group_PipeStreamRW Read/Write of Multi-Byte Streams
* \brief Pipe data stream transmission and reception management.
*
* Functions, macros, variables, enums and types related to data reading and writing of data streams from
* and to pipes.

8
LUFA/Drivers/USB/Core/StdDescriptors.h
View file

@ -29,16 +29,16 @@
*/
/** \file
* \brief USB standard descriptor definitions.
*
* This file contains structures and macros for the easy creation of standard USB descriptors in USB device projects.
* \brief Common USB Descriptor definitions for all architectures.
* \copydetails Group_StdDescriptors
*
* \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_USB
* \defgroup Group_Descriptors USB Descriptors
* \defgroup Group_StdDescriptors USB Descriptors
* \brief Common USB Descriptor definitions for all architectures.
*
* Standard USB device descriptor defines and retrieval routines, for USB devices. This module contains
* structures and macros for the easy creation of standard USB descriptors in USB device projects.

4
LUFA/Drivers/USB/Core/StdRequestType.h
View file

@ -30,8 +30,7 @@
/** \file
* \brief USB control endpoint request definitions.
*
* This file contains structures and macros for the easy creation and parsing of standard USB control requests.
* \copydetails Group_StdRequest
*
* \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.
@ -39,6 +38,7 @@
/** \ingroup Group_USB
* \defgroup Group_StdRequest Standard USB Requests
* \brief USB control endpoint request definitions.
*
* This module contains definitions for the various control request parameters, so that the request
* details (such as data direction, request recipient, etc.) can be extracted via masking.

7
LUFA/Drivers/USB/Core/USBController.h
View file

@ -29,10 +29,8 @@
*/
/** \file
* \brief USB low level USB controller definitions.
*
* This file contains structures, function prototypes and macros related to the low level configuration of the
* USB controller, to start, stop and reset the USB library core.
* \brief Common USB Controller definitions for all architectures.
* \copydetails Group_USBManagement
*
* \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.
@ -40,6 +38,7 @@
/** \ingroup Group_USB
* \defgroup Group_USBManagement USB Interface Management
* \brief Common USB Controller definitions for all architectures.
*
* Functions, macros, variables, enums and types related to the setup and management of the USB interface.
*

19
LUFA/Drivers/USB/Core/USBMode.h
View file

@ -29,11 +29,8 @@
*/
/** \file
* \brief USB mode and capability macros.
*
* This file defines macros indicating the type of USB controller the library is being compiled for, and its
* capabilities. These macros may then be referenced in the user application to selectively enable or disable
* code sections depending on if they are defined or not.
* \brief USB mode and feature support definitions.
* \copydetails Group_USBMode
*
* \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.
@ -41,11 +38,15 @@
/** \ingroup Group_USB
* \defgroup Group_USBMode USB Mode Tokens
* \brief USB mode and feature support definitions.
*
* After the inclusion of the master USB driver header, one or more of the following
* tokens may be defined, to allow the user code to conditionally enable or disable
* code based on the USB controller family and allowable USB modes. These tokens may
* be tested against to eliminate code relating to a USB mode which is not enabled for
* This file defines macros indicating the type of USB controller the library is being compiled for, and its
* capabilities. These macros may then be referenced in the user application to selectively enable or disable
* code sections depending on if they are defined or not.
*
* After the inclusion of the master USB driver header, one or more of the following tokens may be defined, to
* allow the user code to conditionally enable or disable code based on the USB controller family and allowable
* USB modes. These tokens may be tested against to eliminate code relating to a USB mode which is not enabled for
* the given compilation.
*
* @{