diff options
Diffstat (limited to 'LUFA/Drivers/USB/LowLevel/Host.h')
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Host.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/LowLevel/Host.h b/LUFA/Drivers/USB/LowLevel/Host.h index 8623c4ec6..40f630e84 100644 --- a/LUFA/Drivers/USB/LowLevel/Host.h +++ b/LUFA/Drivers/USB/LowLevel/Host.h @@ -245,6 +245,33 @@ }; /* Inline Functions: */ + /** Returns the current USB frame number, when in host mode. Every millisecond the USB bus is active (i.e. not suspended) + * the frame number is incremented by one. + */ + static inline uint16_t USB_Host_GetFrameNumber(void) + { + return UHFNUM; + } + + /** Enables the host mode Start Of Frame events. When enabled, this causes the + * \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. + */ + static inline void USB_Host_EnableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_EnableSOFEvents(void) + { + USB_INT_Enable(USB_INT_HSOFI); + } + + /** 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. + */ + static inline void USB_Host_DisableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_DisableSOFEvents(void) + { + USB_INT_Disable(USB_INT_HSOFI); + } + /** Resets the USB bus, including the endpoints in any attached device and pipes on the AVR host. * USB bus resets leave the default control pipe configured (if already configured). * |