Use the interrupt endpoint poll rate to control mouse report frequenc…

…y rather than explicitly limiting from the main loop.

Descriptors.c

@@ -233,7 +233,7 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
 		.EndpointAddress        = (ENDPOINT_DESCRIPTOR_DIR_IN | MOUSE_IN_EPNUM),
 		.Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
 		.EndpointSize           = HID_EPSIZE,
-		.PollingIntervalMS      = 0x01
+		.PollingIntervalMS      = 0x18
 	}
 
 };

Keyboard.c

@@ -171,20 +171,7 @@ void __attribute__((noreturn)) Keyboard_Main(void)
 			vm_step_all();
 		}
 
-		/* Limit frequency of mouse reports. Unlike keyboard reports,
-		   identical reports won't be ignored by the class driver, so
-		   report speed affects mouse movement speed. */
-		uint8_t mouse_slice = (uptimems() & 0x8);
-		uint8_t perform_mouse_update = 0;
-		if(!mouse_slice && update.mouse){
-			perform_mouse_update = 1;
-			update.mouse = 0;
-		}
-		else if(!update.mouse && mouse_slice){
-			update.mouse = 1;
-		}
-
-		USB_Perform_Update(1, perform_mouse_update);
+		USB_Perform_Update();
 	}
 }
 

lufa/lufa_main.c

@@ -111,12 +111,10 @@ void USB_KeepAlive(uint8_t poll){
 	}
 }
 
-void USB_Perform_Update(uint8_t update_kbd, uint8_t update_mouse){
-	if(update_mouse)
-		HID_Device_USBTask(&Mouse_HID_Interface);
+void USB_Perform_Update(void){
+	HID_Device_USBTask(&Mouse_HID_Interface);
 
-	if(update_kbd)
-		HID_Device_USBTask(&Keyboard_HID_Interface);
+	HID_Device_USBTask(&Keyboard_HID_Interface);
 
 	USB_KeepAlive(true);
 }

usb.h

@@ -23,6 +23,6 @@ void USB_KeepAlive(uint8_t poll);
  * Performs a USB update, scanning keyboard/mouse and responding
  * to interrupt requests. Includes KeepAlive.
  */
-void USB_Perform_Update(uint8_t update_kbd, uint8_t update_mouse);
+void USB_Perform_Update(void);
 
 #endif // __USB_H

vusb/vusb_main.c

@@ -405,14 +405,14 @@ void USB_KeepAlive(uint8_t poll){
 	}
 }
 
-void USB_Perform_Update(uint8_t update_kbd, uint8_t update_mouse){
+void USB_Perform_Update(void){
 	USB_KeepAlive(true);
 
 	static bool sending_keyboard = 0;
 	static bool sending_mouse = 0;
 
 	// Keyboard
-	if(!sending_keyboard && update_kbd){
+	if(!sending_keyboard){
 		// Update, set sending_keyboard if the report is different to last time
 		sending_keyboard = update_and_compare(&KeyboardReportData, &PrevKeyboardHIDReportBuffer, sizeof(KeyboardReport_Data_t), (void(*)(void*)) &Fill_KeyboardReport);
 	}
@@ -430,7 +430,7 @@ void USB_Perform_Update(uint8_t update_kbd, uint8_t update_mouse){
 	}
 
 	// Mouse
-	if(!sending_mouse && update_mouse){
+	if(!sending_mouse){
 		// Update, set sending_mouse if the report is different to last time
 		sending_mouse = update_and_compare(&MouseReportData, &PrevMouseHIDReportBuffer, sizeof(MouseReport_Data_t), (void(*)(void*)) &Fill_MouseReport);
 		// Mouse reports need to repeat for the cursor to continue to move, so always send if there is a movement component to the report