Added new NO_SOF_EVENTS compile time option, enabled in the bootloaders to reduce...

[pub/USBasp.git] / LUFA / Drivers / USB / LowLevel / Host.h

diff --git a/LUFA/Drivers/USB/LowLevel/Host.h b/LUFA/Drivers/USB/LowLevel/Host.h
index 3bfc441..b118839 100644 (file)
--- a/LUFA/Drivers/USB/LowLevel/Host.h
+++ b/LUFA/Drivers/USB/LowLevel/Host.h
@@ -253,25 +253,31 @@
                                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);
-                       }
-
+                       #if !defined(NO_SOF_EVENTS)
+                               /** 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.
+                                *
+                                *  \note Not available when the 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)
+                               {
+                                       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.
+                                *
+                                *  \note Not available when the 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)
+                               {
+                                       USB_INT_Disable(USB_INT_HSOFI);
+                               }
+                       #endif
+                       
                        /** 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).
                         *