Fixed interrupt driven HID device demos not clearing the interrupt flags in all circumstances.

Demos/KeyboardFullInt/KeyboardFullInt.c

@@ -404,6 +404,15 @@ ISR(ENDPOINT_PIPE_vect, ISR_BLOCK)
 		USB_KeyboardReport_Data_t KeyboardReportData;
 		bool                      SendReport;
 	
+		/* Select the Keyboard Report Endpoint */
+		Endpoint_SelectEndpoint(KEYBOARD_EPNUM);
+
+		/* Clear the endpoint IN interrupt flag */
+		USB_INT_Clear(ENDPOINT_INT_IN);
+
+		/* Clear the Keyboard Report endpoint interrupt */
+		Endpoint_ClearEndpointInterrupt(KEYBOARD_EPNUM);
+
 		/* Create the next keyboard report for transmission to the host */
 		SendReport = GetNextReport(&KeyboardReportData);
 	
@@ -420,22 +429,13 @@ ISR(ENDPOINT_PIPE_vect, ISR_BLOCK)
 		/* Check to see if a report should be issued */
 		if (SendReport)
 		{
-			/* Select the Keyboard Report Endpoint */
-			Endpoint_SelectEndpoint(KEYBOARD_EPNUM);
-
-			/* Clear the endpoint IN interrupt flag */
-			USB_INT_Clear(ENDPOINT_INT_IN);
-
-			/* Clear the Keyboard Report endpoint interrupt */
-			Endpoint_ClearEndpointInterrupt(KEYBOARD_EPNUM);
-
 			/* Write Keyboard Report Data */
 			Endpoint_Write_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData));
+		}
 
 		/* Finalize the stream transfer to send the last packet */
 		Endpoint_ClearCurrentBank();
 	}
-	}
 
 	/* Check if Keyboard LED status Endpoint has interrupted */
 	if (Endpoint_HasEndpointInterrupted(KEYBOARD_LEDS_EPNUM))

Demos/KeyboardViaInt/KeyboardViaInt.c

@@ -392,6 +392,15 @@ ISR(ENDPOINT_PIPE_vect, ISR_BLOCK)
 		USB_KeyboardReport_Data_t KeyboardReportData;
 		bool                      SendReport;
 
+		/* Select the Keyboard Report Endpoint */
+		Endpoint_SelectEndpoint(KEYBOARD_EPNUM);
+
+		/* Clear the endpoint IN interrupt flag */
+		USB_INT_Clear(ENDPOINT_INT_IN);
+
+		/* Clear the Keyboard Report endpoint interrupt */
+		Endpoint_ClearEndpointInterrupt(KEYBOARD_EPNUM);
+
 		/* Create the next keyboard report for transmission to the host */
 		SendReport = GetNextReport(&KeyboardReportData);
 	
@@ -408,15 +417,6 @@ ISR(ENDPOINT_PIPE_vect, ISR_BLOCK)
 		/* Check to see if a report should be issued */
 		if (SendReport)
 		{
-			/* Select the Keyboard Report Endpoint */
-			Endpoint_SelectEndpoint(KEYBOARD_EPNUM);
-
-			/* Clear the endpoint IN interrupt flag */
-			USB_INT_Clear(ENDPOINT_INT_IN);
-
-			/* Clear the Keyboard Report endpoint interrupt */
-			Endpoint_ClearEndpointInterrupt(KEYBOARD_EPNUM);
-
 			/* Write Keyboard Report Data */
 			Endpoint_Write_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData));
 		}

Demos/MouseFullInt/MouseFullInt.c

@@ -358,6 +358,15 @@ ISR(ENDPOINT_PIPE_vect, ISR_BLOCK)
 		USB_MouseReport_Data_t MouseReportData;
 		bool                   SendReport = true;
 		
+		/* Select the Mouse Report Endpoint */
+		Endpoint_SelectEndpoint(MOUSE_EPNUM);
+
+		/* Clear the endpoint IN interrupt flag */
+		USB_INT_Clear(ENDPOINT_INT_IN);
+
+		/* Clear the Mouse Report endpoint interrupt and select the endpoint */
+		Endpoint_ClearEndpointInterrupt(MOUSE_EPNUM);
+
 		/* Create the next mouse report for transmission to the host */
 		GetNextReport(&MouseReportData);
 		
@@ -380,20 +389,11 @@ ISR(ENDPOINT_PIPE_vect, ISR_BLOCK)
 		/* Check to see if a report should be issued */
 		if (SendReport)
 		{
-			/* Select the Mouse Report Endpoint */
-			Endpoint_SelectEndpoint(MOUSE_EPNUM);
-
-			/* Clear the endpoint IN interrupt flag */
-			USB_INT_Clear(ENDPOINT_INT_IN);
-
-			/* Clear the Mouse Report endpoint interrupt and select the endpoint */
-			Endpoint_ClearEndpointInterrupt(MOUSE_EPNUM);
-
 			/* Write Mouse Report Data */
 			Endpoint_Write_Stream_LE(&MouseReportData, sizeof(MouseReportData));
+		}
 
 		/* Finalize the stream transfer to send the last packet */
 		Endpoint_ClearCurrentBank();
 	}
 }
-}

Demos/MouseViaInt/MouseViaInt.c

@@ -345,6 +345,15 @@ ISR(ENDPOINT_PIPE_vect, ISR_BLOCK)
 		USB_MouseReport_Data_t MouseReportData;
 		bool                   SendReport = true;
 		
+		/* Select the Mouse Report Endpoint */
+		Endpoint_SelectEndpoint(MOUSE_EPNUM);
+
+		/* Clear the endpoint IN interrupt flag */
+		USB_INT_Clear(ENDPOINT_INT_IN);
+
+		/* Clear the Mouse Report endpoint interrupt and select the endpoint */
+		Endpoint_ClearEndpointInterrupt(MOUSE_EPNUM);
+
 		/* Create the next mouse report for transmission to the host */
 		GetNextReport(&MouseReportData);
 		
@@ -367,15 +376,6 @@ ISR(ENDPOINT_PIPE_vect, ISR_BLOCK)
 		/* Check to see if a report should be issued */
 		if (SendReport)
 		{
-			/* Select the Mouse Report Endpoint */
-			Endpoint_SelectEndpoint(MOUSE_EPNUM);
-
-			/* Clear the endpoint IN interrupt flag */
-			USB_INT_Clear(ENDPOINT_INT_IN);
-
-			/* Clear the Mouse Report endpoint interrupt and select the endpoint */
-			Endpoint_ClearEndpointInterrupt(MOUSE_EPNUM);
-
 			/* Write Mouse Report Data */
 			Endpoint_Write_Stream_LE(&MouseReportData, sizeof(MouseReportData));
 		}