#define __USBEVENTS_H__
/* Includes: */
- #include <avr/io.h>
+ #include <stdint.h>
#include "../../../Common/Common.h"
#include "USBMode.h"
/* Public Interface - May be used in end-application: */
/* Pseudo-Functions for Doxygen: */
#if !defined(__INCLUDE_FROM_EVENTS_C) || defined(__DOXYGEN__)
- /** Event for USB stack initialization failure. This event fires when the USB interface fails to
- * initialize correctly due to a hardware or software fault.
- *
- * \note This event only exists on USB AVR models which support dual role modes.
- *
- * \param[in] ErrorCode Error code indicating the failure reason, a value in \ref USB_InitErrorCodes_t
- */
- void EVENT_USB_InitFailure(const uint8_t ErrorCode);
-
/** Event for USB mode pin level change. This event fires when the USB interface is set to dual role
* mode, and the UID pin level has changed to indicate a new mode (device or host). This event fires
* before the mode is switched to the newly indicated mode but after the \ref EVENT_USB_Device_Disconnect
/** Event for USB host error. This event fires when a hardware fault has occurred whilst the USB
* interface is in host mode.
*
- * \param[in] ErrorCode Error code indicating the failure reason, a value in \ref USB_Host_ErrorCodes_t
+ * \param[in] ErrorCode Error code indicating the failure reason, a value in \ref USB_Host_ErrorCodes_t.
*
* \note This event only exists on USB AVR models which supports host mode.
* \n\n
* in host mode, and an attached USB device has failed to enumerate completely.
*
* \param[in] ErrorCode Error code indicating the failure reason, a value in
- * \ref USB_Host_EnumerationErrorCodes_t
+ * \ref USB_Host_EnumerationErrorCodes_t.
*
* \param[in] SubErrorCode Sub error code indicating the reason for failure - for example, if the
* ErrorCode parameter indicates a control error, this will give the error
* \note This event does not exist if the USB_DEVICE_ONLY token is supplied to the compiler (see
* \ref Group_USBManagement documentation).
*/
- void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode);
+ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
+ const uint8_t SubErrorCode);
/** Event for USB device enumeration completion. This event fires when a the USB interface is
* in host mode and an attached USB device has been completely enumerated and is ready to be
*/
void EVENT_USB_Host_DeviceEnumerationComplete(void);
+ /** Event for USB Start Of Frame detection, when enabled. This event fires at the start of each USB
+ * frame, once per millisecond, and is synchronized to the USB bus. This can be used as an accurate
+ * millisecond timer source when the USB bus is not suspended while in host mode.
+ *
+ * This event is time-critical; it is run once per millisecond and thus long handlers will significantly
+ * degrade device performance. This event should only be enabled when needed to reduce device wake-ups.
+ *
+ * \note This event is not normally active - it must be manually enabled and disabled via the
+ * \ref USB_Host_EnableSOFEvents() and \ref USB_Host_DisableSOFEvents() commands after enumeration of
+ * a USB device.
+ * \n\n
+ *
+ * \note This event does not exist if the USB_DEVICE_ONLY token is supplied to the compiler (see
+ * \ref Group_USBManagement documentation).
+ */
+ void EVENT_USB_Host_StartOfFrame(void);
+
/** Event for USB device connection. This event fires when the AVR in device mode and the device is connected
* to a host, beginning the enumeration process, measured by a rising level on the AVR's VBUS pin.
*
* \note For the smaller series 2 USB AVRs with limited USB controllers, VBUS 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
- * needs to be determined, VBUS should be routed to an external pin, and the auto-detect behavior turned off by
+ * needs to be determined, VBUS should be routed to an external pin, and the auto-detect behaviour turned off by
* passing the NO_LIMITED_CONTROLLER_CONNECT token to the compiler via the -D switch at compile time. The connection
* and disconnection events may be manually fired, and the \ref USB_DeviceState global changed manually.
* \n\n
* \note For the smaller series 2 USB AVRs with limited USB controllers, VBUS 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
- * needs to be determined, VBUS should be routed to an external pin, and the auto-detect behavior turned off by
+ * needs to be determined, VBUS should be routed to an external pin, and the auto-detect behaviour turned off by
* passing the NO_LIMITED_CONTROLLER_CONNECT token to the compiler via the -D switch at compile time. The connection
* and disconnection events may be manually fired, and the \ref USB_DeviceState global changed manually.
* \n\n
void USB_Event_Stub(void) ATTR_CONST;
#if defined(USB_CAN_BE_BOTH)
- void EVENT_USB_InitFailure(const uint8_t ErrorCode) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub);
void EVENT_USB_UIDChange(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub);
#endif
void EVENT_USB_Host_DeviceAttached(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub);
void EVENT_USB_Host_DeviceUnattached(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub);
void EVENT_USB_Host_DeviceEnumerationComplete(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub);
- void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
- ATTR_WEAK ATTR_ALIAS(USB_Event_Stub);
+ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
+ const uint8_t SubErrorCode)
+ ATTR_WEAK ATTR_ALIAS(USB_Event_Stub);
+ void EVENT_USB_Host_StartOfFrame(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub);
#endif
#if defined(USB_CAN_BE_DEVICE)
projects / pub / USBasp.git / blobdiff