Commit e406140f authored by Dean Camera's avatar Dean Camera
Browse files

Minor documentation fixes - change \note entries to \warning where appropriate...

Minor documentation fixes - change \note entries to \warning where appropriate and remove/update old documentation.
parent 5561524a
......@@ -153,8 +153,8 @@
/** Convenience macro to determine the larger of two values.
*
* \note This macro should only be used with operands that do not have side effects from being evaluated
* multiple times.
* \attention This macro should only be used with operands that do not have side effects from being evaluated
* multiple times.
*
* \param[in] x First value to compare
* \param[in] y First value to compare
......@@ -167,8 +167,8 @@
/** Convenience macro to determine the smaller of two values.
*
* \note This macro should only be used with operands that do not have side effects from being evaluated
* multiple times.
* \attention This macro should only be used with operands that do not have side effects from being evaluated
* multiple times.
*
* \param[in] x First value to compare
* \param[in] y First value to compare
......
......@@ -210,7 +210,7 @@
* If enabled, this will indicate that the USB target VBUS line polarity is inverted; i.e. it should be pulled low to enable VBUS to the
* target, and pulled high to stop the target VBUS generation.
*
* \note On AVR8 architecture devices, this compile time option requires \c NO_AUTO_VBUS_MANAGEMENT to be set.
* \attention On AVR8 architecture devices, this compile time option requires \c NO_AUTO_VBUS_MANAGEMENT to be set.
*
* - <b>NO_AUTO_VBUS_MANAGEMENT</b> - (\ref Group_Host) - <i>All Architectures</i> \n
* Disables the automatic management of VBUS to the target, i.e. automatic shut down in the even of an overcurrent situation. When enabled, VBUS
......
......@@ -89,6 +89,7 @@
* - PSGroove, a Playstation 3 Homebrew dongle: http://github.com/psgroove
* - PS/2 to USB adapter: https://github.com/makestuff/p2ukbd
* - Reprap with LUFA, a LUFA powered 3D printer: http://code.google.com/p/at90usb1287-code-for-arduino-and-eclipse/
* - RFPirate, a RF experimentation platform: https://github.com/ebuller/RF-Pirate
* - RF Transciever using the MRF49XA: http://alternet.us.com/?page_id=1494
* - SD Card reader: http://elasticsheep.com/2010/04/teensy2-usb-mass-storage-with-an-sd-card/
* - SDR1, a Software Defined Radio firmware: https://code.google.com/p/sdr-mk1/
......
......@@ -225,9 +225,9 @@
/** Inserts an element into the ring buffer.
*
* \note Only one execution thread (main program thread or an ISR) may insert into a single buffer
* otherwise data corruption may occur. Insertion and removal may occur from different execution
* threads.
* \warning Only one execution thread (main program thread or an ISR) may insert into a single buffer
* otherwise data corruption may occur. Insertion and removal may occur from different execution
* threads.
*
* \param[in,out] Buffer Pointer to a ring buffer structure to insert into.
* \param[in] Data Data element to insert into the buffer.
......@@ -252,9 +252,9 @@
/** Removes an element from the ring buffer.
*
* \note Only one execution thread (main program thread or an ISR) may remove from a single buffer
* otherwise data corruption may occur. Insertion and removal may occur from different execution
* threads.
* \warning Only one execution thread (main program thread or an ISR) may remove from a single buffer
* otherwise data corruption may occur. Insertion and removal may occur from different execution
* threads.
*
* \param[in,out] Buffer Pointer to a ring buffer structure to retrieve from.
*
......
......@@ -253,8 +253,8 @@
/** Retrieves the ADC MUX mask for the given ADC channel number.
*
* \note This macro will only work correctly on channel numbers that are compile-time
* constants defined by the preprocessor.
* \attention This macro will only work correctly on channel numbers that are compile-time
* constants defined by the preprocessor.
*
* \param[in] Channel Index of the ADC channel whose MUX mask is to be retrieved.
*/
......@@ -268,9 +268,8 @@
*
* \note This must only be called for ADC channels with are connected to a physical port
* pin of the AVR, denoted by its special alternative function ADCx.
* \n\n
*
* \note The channel number must be specified as an integer, and <b>not</b> a \c ADC_CHANNEL* mask.
* \warning The channel number must be specified as an integer, and <b>not</b> a \c ADC_CHANNEL* mask.
*
* \param[in] ChannelIndex ADC channel number to set up for conversions.
*/
......@@ -311,9 +310,8 @@
*
* \note This must only be called for ADC channels with are connected to a physical port
* pin of the AVR, denoted by its special alternative function ADCx.
* \n\n
*
* \note The channel number must be specified as an integer, and <b>not</b> a \c ADC_CHANNEL* mask.
* \warning The channel number must be specified as an integer, and <b>not</b> a \c ADC_CHANNEL* mask.
*
* \param[in] ChannelIndex ADC channel number to set up for conversions.
*/
......
......@@ -196,8 +196,8 @@
*
* The generated SCL frequency will be according to the formula <pre>F_CPU / (16 + 2 * BitLength + 4 ^ Prescale)</pre>.
*
* \note The value of the \c BitLength parameter should not be set below 10 or invalid bus conditions may
* occur, as indicated in the AVR8 microcontroller datasheet.
* \attention The value of the \c BitLength parameter should not be set below 10 or invalid bus conditions may
* occur, as indicated in the AVR8 microcontroller datasheet.
*
* \param[in] Prescale Prescaler to use when determining the bus frequency, a \c TWI_BIT_PRESCALE_* value.
* \param[in] BitLength Length of the bits sent on the bus.
......
......@@ -583,8 +583,8 @@
* about the number of channels, the sample resolution, acceptable sample frequencies and encoding method used
* in the device's audio streams. See the USB Audio specification for more details.
*
* \note This descriptor <b>must</b> be followed by one or more \ref USB_Audio_SampleFreq_t elements containing
* the continuous or discrete sample frequencies.
* \attention This descriptor <b>must</b> be followed by one or more \ref USB_Audio_SampleFreq_t elements containing
* the continuous or discrete sample frequencies.
*
* \see \ref USB_Audio_StdDescriptor_Format_t for the version of this type with standard element names.
*
......@@ -630,8 +630,8 @@
* about the number of channels, the sample resolution, acceptable sample frequencies and encoding method used
* in the device's audio streams. See the USB Audio specification for more details.
*
* \note This descriptor <b>must</b> be followed by one or more 24-bit integer elements containing the continuous
* or discrete sample frequencies.
* \attention This descriptor <b>must</b> be followed by one or more 24-bit integer elements containing the continuous
* or discrete sample frequencies.
*
* \see \ref USB_Audio_Descriptor_Format_t for the version of this type with non-standard LUFA specific
* element names.
......
......@@ -53,16 +53,17 @@
*
* One major issue with CDC-ACM is that it requires two Interface descriptors,
* which will upset most hosts when part of a multi-function "Composite" USB
* device, as each interface will be loaded into a separate driver instance. To
* combat this, you should use the "Interface Association Descriptor" addendum to
* the USB standard which is available on most OSes when creating Composite devices.
* device. This is because each interface will be loaded into a separate driver
* instance, causing the two interfaces be become unlinked. To prevent this, you
* should use the "Interface Association Descriptor" addendum to the USB 2.0 standard
* which is available on most OSes when creating Composite devices.
*
* Another major oversight is that there is no mechanism for the host to notify the
* device that there is a data sink on the host side ready to accept data. This
* means that the device may try to send data while the host isn't listening, causing
* lengthy blocking timeouts in the transmission routines. To combat this, it is
* recommended that the virtual serial line DTR (Data Terminal Ready) be used where
* possible to determine if a host application is ready for data.
* lengthy blocking timeouts in the transmission routines. It is thus highly recommended
* that the virtual serial line DTR (Data Terminal Ready) signal be used where possible
* to determine if a host application is ready for data.
*
* @{
*/
......@@ -299,7 +300,7 @@
* be used when the read data is processed byte-per-bye (via \c getc()) or when the user application will implement its own
* line buffering.
*
* \note The created stream can be given as stdout if desired to direct the standard output from all <stdio.h> functions
* \note The created stream can be given as \c stdout if desired to direct the standard output from all <stdio.h> functions
* to the given CDC interface.
* \n\n
*
......
......@@ -263,7 +263,7 @@
* be used when the read data is processed byte-per-bye (via \c getc()) or when the user application will implement its own
* line buffering.
*
* \note The created stream can be given as stdout if desired to direct the standard output from all \c <stdio.h> functions
* \note The created stream can be given as \c stdout if desired to direct the standard output from all \c <stdio.h> functions
* to the given AOA interface.
* \n\n
*
......
......@@ -289,7 +289,7 @@
* be used when the read data is processed byte-per-bye (via \c getc()) or when the user application will implement its own
* line buffering.
*
* \note The created stream can be given as stdout if desired to direct the standard output from all \c <stdio.h> functions
* \note The created stream can be given as \c stdout if desired to direct the standard output from all \c <stdio.h> functions
* to the given CDC interface.
* \n\n
*
......
......@@ -148,8 +148,8 @@
* device. This should be called once after the stack has enumerated the attached device, while the host state
* machine is in the Addressed state.
*
* \note Once the device pipes are configured, the HID device's reporting protocol <b>must</b> be set via a call
* to either the \ref HID_Host_SetBootProtocol() or \ref HID_Host_SetReportProtocol() function.
* \attention Once the device pipes are configured, the HID device's reporting protocol <b>must</b> be set via a call
* to either the \ref HID_Host_SetBootProtocol() or \ref HID_Host_SetReportProtocol() function.
*
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state.
* \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
......@@ -167,8 +167,8 @@
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \note The destination buffer should be large enough to accommodate the largest report that the attached device
* can generate.
* \attention The destination buffer should be large enough to accommodate the largest report that the attached device
* can generate.
*
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state.
* \param[in] Buffer Buffer to store the received report into.
......@@ -267,9 +267,8 @@
/** Switches the attached HID device's reporting protocol over to the standard Report protocol mode. This also retrieves
* and parses the device's HID report descriptor, so that the size of each report can be determined in advance.
*
* \note Whether this function is used or not, the \ref CALLBACK_HIDParser_FilterHIDReportItem() callback from the HID
* Report Parser this function references <b>must</b> be implemented in the user code.
* \n\n
* \attention Whether this function is used or not, the \ref CALLBACK_HIDParser_FilterHIDReportItem() callback from the HID
* Report Parser this function references <b>must</b> be implemented in the user code.
*
* \note When the \c HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method is unavailable.
*
......
......@@ -89,7 +89,7 @@
* \n
*
* \note Restrictions apply on the number, size and type of endpoints which can be used
* when running in low speed mode - refer to the USB 2.0 specification.
* when running in low speed mode - please refer to the USB 2.0 specification.
*/
#define USB_DEVICE_OPT_LOWSPEED (1 << 0)
#endif
......@@ -138,16 +138,16 @@
* Typically, this is implemented so that HID devices (mice, keyboards, etc.) can wake up the
* host computer when the host has suspended all USB devices to enter a low power state.
*
* \note This macro should only be used if the device has indicated to the host that it
* supports the Remote Wakeup feature in the device descriptors, and should only be
* issued if the host is currently allowing remote wakeup events from the device (i.e.,
* the \ref USB_Device_RemoteWakeupEnabled flag is set). When the \c NO_DEVICE_REMOTE_WAKEUP
* compile time option is used, this macro is unavailable.
* \n\n
* \attention This function should only be used if the device has indicated to the host that it
* supports the Remote Wakeup feature in the device descriptors, and should only be
* issued if the host is currently allowing remote wakeup events from the device (i.e.,
* the \ref USB_Device_RemoteWakeupEnabled flag is set). When the \c NO_DEVICE_REMOTE_WAKEUP
* compile time option is used, this function is unavailable.
* \n\n
*
* \note The USB clock must be running for this function to operate. If the stack is initialized with
* the \ref USB_OPT_MANUAL_PLL option enabled, the user must ensure that the PLL is running
* before attempting to call this function.
* \attention The USB clock must be running for this function to operate. If the stack is initialized with
* 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_StdDescriptors for more information on the RMWAKEUP feature and device descriptors.
*/
......@@ -170,7 +170,7 @@
* \ref EVENT_USB_Device_StartOfFrame() event to fire once per millisecond, synchronized to the USB bus,
* at the start of each USB frame when enumerated in device mode.
*
* \note Not available when the \c NO_SOF_EVENTS compile time token is defined.
* \note This function is not available when the \c NO_SOF_EVENTS compile time token is defined.
*/
static inline void USB_Device_EnableSOFEvents(void) ATTR_ALWAYS_INLINE;
static inline void USB_Device_EnableSOFEvents(void)
......@@ -181,7 +181,7 @@
/** Disables the device mode Start Of Frame events. When disabled, this stops the firing of the
* \ref EVENT_USB_Device_StartOfFrame() event when enumerated in device mode.
*
* \note Not available when the \c NO_SOF_EVENTS compile time token is defined.
* \note This function is not available when the \c NO_SOF_EVENTS compile time token is defined.
*/
static inline void USB_Device_DisableSOFEvents(void) ATTR_ALWAYS_INLINE;
static inline void USB_Device_DisableSOFEvents(void)
......
......@@ -171,8 +171,8 @@
/** Retrieves 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.
* \attention 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)
*/
......@@ -180,8 +180,8 @@
/** 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.
* \attention 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)
*/
......@@ -245,12 +245,11 @@
* More banks uses more USB DPRAM, but offers better performance. Isochronous type
* endpoints <b>must</b> have at least two banks.
*
* \note When the \c ORDERED_EP_CONFIG compile time option is used, Endpoints <b>must</b> be configured in
* ascending order, or bank corruption will occur.
* \n\n
* \attention When the \c ORDERED_EP_CONFIG compile time option is used, Endpoints <b>must</b> be configured in
* ascending order, or bank corruption will occur.
*
* \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.
* \note Different endpoints may have different maximum packet sizes based on the endpoint's index - please
* refer to the chosen microcontroller model's datasheet to determine the maximum bank size for each endpoint.
* \n\n
*
* \note The default control endpoint should not be manually configured by the user application, as
......@@ -278,9 +277,6 @@
}
/** 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.
*
* \ingroup Group_EndpointRW_AVR8
*
......@@ -835,8 +831,8 @@
* \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.
* \attention 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_Device_ControlEndpointSize;
......@@ -848,6 +844,8 @@
/** 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.
*
* \note This routine should not be called on non CONTROL type endpoints.
*/
void Endpoint_ClearStatusStage(void);
......
......@@ -146,7 +146,7 @@
* \ref EVENT_USB_Host_StartOfFrame() event to fire once per millisecond, synchronized to the USB bus,
* at the start of each USB frame when a device is enumerated while in host mode.
*
* \note Not available when the \c NO_SOF_EVENTS compile time token is defined.
* \note This function is not available when the \c NO_SOF_EVENTS compile time token is defined.
*/
static inline void USB_Host_EnableSOFEvents(void) ATTR_ALWAYS_INLINE;
static inline void USB_Host_EnableSOFEvents(void)
......@@ -157,7 +157,7 @@
/** Disables the host mode Start Of Frame events. When disabled, this stops the firing of the
* \ref EVENT_USB_Host_StartOfFrame() event when enumerated in host mode.
*
* \note Not available when the NO_SOF_EVENTS compile time token is defined.
* \note This function is not available when the \c NO_SOF_EVENTS compile time token is defined.
*/
static inline void USB_Host_DisableSOFEvents(void) ATTR_ALWAYS_INLINE;
static inline void USB_Host_DisableSOFEvents(void)
......@@ -203,8 +203,8 @@
* device until the bus has been resumed. This stops the transmission of the 1MS Start Of Frame
* messages to the device.
*
* \note While the USB bus is suspended, all USB interrupt sources are also disabled; this means that
* some events (such as device disconnections) will not fire until the bus is resumed.
* \attention While the USB bus is suspended, all USB interrupt sources are also disabled; this means that
* some events (such as device disconnections) will not fire until the bus is resumed.
*/
static inline void USB_Host_SuspendBus(void) ATTR_ALWAYS_INLINE;
static inline void USB_Host_SuspendBus(void)
......
......@@ -192,9 +192,6 @@
/* Inline Functions: */
/** Indicates the number of bytes currently stored in the current pipes's selected bank.
*
* \note The return width of this function may differ, depending on the maximum pipe bank size
* of the selected AVR model.
*
* \ingroup Group_PipeRW_AVR8
*
......@@ -807,8 +804,8 @@
* descriptor once the USB interface is initialized into host mode and a device is attached
* to the USB bus.
*
* \note This variable should be treated as read-only in the user application, and never manually
* changed in value.
* \attention This variable should be treated as read-only in the user application, and never manually
* changed in value.
*/
extern uint8_t USB_Host_ControlPipeSize;
......@@ -842,9 +839,8 @@
* uses more USB DPRAM, but offers better performance. Isochronous type pipes <b>must</b>
* have at least two banks.
*
* \note When the \c ORDERED_EP_CONFIG compile time option is used, Pipes <b>must</b> be configured in ascending order,
* or bank corruption will occur.
* \n\n
* \attention When the \c ORDERED_EP_CONFIG compile time option is used, Pipes <b>must</b> be configured in ascending order,
* or bank corruption will occur.
*
* \note Certain microcontroller model's pipes may have different maximum packet sizes based on the pipe's
* index - refer to the chosen microcontroller's datasheet to determine the maximum bank size for each pipe.
......
......@@ -227,7 +227,7 @@
* function prototype.
* \n\n
*
* \note To reduce the FLASH requirements of the library if only fixed settings are are required,
* \note To reduce the FLASH requirements of the library if only fixed settings are required,
* the options may be set statically in the same manner as the mode (see the Mode parameter of
* this function). To statically set the USB options, pass in the \c USE_STATIC_OPTIONS token,
* defined to the appropriate options masks. When the options are statically set, this
......@@ -271,9 +271,8 @@
/** Indicates the mode that the USB interface is currently initialized to, a value from the
* \ref USB_Modes_t enum.
*
* \note This variable should be treated as read-only in the user application, and never manually
* changed in value.
* \n\n
* \attention This variable should be treated as read-only in the user application, and never manually
* changed in value.
*
* \note When the controller is initialized into UID auto-detection mode, this variable will hold the
* currently selected USB mode (i.e. \ref USB_MODE_Device or \ref USB_MODE_Host). If the controller
......@@ -293,8 +292,8 @@
/** Indicates the current USB options that the USB interface was initialized with when \ref USB_Init()
* was called. This value will be one of the \c USB_MODE_* masks defined elsewhere in this module.
*
* \note This variable should be treated as read-only in the user application, and never manually
* changed in value.
* \attention This variable should be treated as read-only in the user application, and never manually
* changed in value.
*/
extern volatile uint8_t USB_Options;
#elif defined(USE_STATIC_OPTIONS)
......
......@@ -86,8 +86,8 @@
* different configurations which the host can select between; this indicates the currently selected
* value, or 0 if no configuration has been selected.
*
* \note This variable should be treated as read-only in the user application, and never manually
* changed in value.
* \attention This variable should be treated as read-only in the user application, and never manually
* changed in value.
*
* \ingroup Group_Device
*/
......@@ -97,9 +97,8 @@
/** Indicates if the host is currently allowing the device to issue remote wakeup events. If this
* flag is cleared, the device should not issue remote wakeup events to the host.
*
* \note This variable should be treated as read-only in the user application, and never manually
* changed in value.
* \n\n
* \attention This variable should be treated as read-only in the user application, and never manually
* changed in value.
*
* \note To reduce FLASH usage of the compiled applications where Remote Wakeup is not supported,
* this global and the underlying management code can be disabled by defining the
......
......@@ -183,6 +183,9 @@
* This event is time-critical; exceeding OS-specific delays within this event handler (typically of around
* two seconds) will prevent the device from enumerating correctly.
*
* \attention This event may fire multiple times during device enumeration on the microcontrollers with limited USB controllers
* if \c NO_LIMITED_CONTROLLER_CONNECT is not defined.
*
* \note For the microcontrollers with limited USB controller functionality, VBUS sensing is not available.
* this means that the current connection state is derived from the bus suspension and wake up events by default,
* which is not always accurate (host may suspend the bus while still connected). If the actual connection state
......@@ -191,9 +194,6 @@
* and disconnection events may be manually fired, and the \ref USB_DeviceState global changed manually.
* \n\n
*
* \note This event may fire multiple times during device enumeration on the microcontrollers with limited USB controllers
* if \c NO_LIMITED_CONTROLLER_CONNECT is not defined.
*
* \see \ref Group_USBManagement for more information on the USB management task and reducing CPU usage.
*/
void EVENT_USB_Device_Connect(void);
......@@ -201,6 +201,9 @@
/** Event for USB device disconnection. This event fires when the microcontroller is in USB Device mode and the device is
* disconnected from a host, measured by a falling level on the microcontroller's VBUS sense pin.
*
* \attention This event may fire multiple times during device enumeration on the microcontrollers with limited USB controllers
* if \c NO_LIMITED_CONTROLLER_CONNECT is not defined.
*
* \note For the microcontrollers with limited USB controllers, VBUS sense is not available to the USB controller.
* this means that the current connection state is derived from the bus suspension and wake up events by default,
* which is not always accurate (host may suspend the bus while still connected). If the actual connection state
......@@ -209,9 +212,6 @@
* and disconnection events may be manually fired, and the \ref USB_DeviceState global changed manually.
* \n\n
*
* \note This event may fire multiple times during device enumeration on the microcontrollers with limited USB controllers
* if \c NO_LIMITED_CONTROLLER_CONNECT is not defined.
*
* \see \ref Group_USBManagement for more information on the USB management task and reducing CPU usage.
*/
void EVENT_USB_Device_Disconnect(void);
......
......@@ -95,8 +95,8 @@
*
* To set a device configuration, call the \ref USB_Host_SetDeviceConfiguration() function.
*
* \note This variable should be treated as read-only in the user application, and never manually
* changed in value.
* \attention This variable should be treated as read-only in the user application, and never manually
* changed in value.
*
* \ingroup Group_Host
*/
......
......@@ -73,7 +73,7 @@
* USB interface should be initialized in low speed (1.5Mb/s) mode.
*
* \note Restrictions apply on the number, size and type of endpoints which can be used
* when running in low speed mode - refer to the USB 2.0 specification.
* when running in low speed mode - please refer to the USB 2.0 specification.
*/
#define USB_DEVICE_OPT_LOWSPEED (1 << 0)
......@@ -127,12 +127,11 @@
* Typically, this is implemented so that HID devices (mice, keyboards, etc.) can wake up the
* host computer when the host has suspended all USB devices to enter a low power state.
*
* \note This macro should only be used if the device has indicated to the host that it
* \note This function should only be used if the device has indicated to the host that it
* supports the Remote Wakeup feature in the device descriptors, and should only be
* issued if the host is currently allowing remote wakeup events from the device (i.e.,
* the \ref USB_Device_RemoteWakeupEnabled flag is set). When the \c NO_DEVICE_REMOTE_WAKEUP
* compile time option is used, this macro is unavailable.
* \n\n
* compile time option is used, this function is unavailable.
*
* \note The USB clock must be running for this function to operate. If the stack is initialized with
* the \ref USB_OPT_MANUAL_PLL option enabled, the user must ensure that the PLL is running
......
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