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

2009-03-09 11:50:43 +00:00
parent d711e37d2f
commit b0d9f961ac
4 changed files with 43 additions and 43 deletions
@@ -391,7 +391,16 @@ 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));
 		}