X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/33a018474913701fa9ef8e962acf58accd1184d2..23f3c3deee8bd153d59f2ac4e659c71ee75915f7:/Demos/Device/LowLevel/Keyboard/Keyboard.c

diff --git a/Demos/Device/LowLevel/Keyboard/Keyboard.c b/Demos/Device/LowLevel/Keyboard/Keyboard.c
index 06806b58b..185d968d7 100644
--- a/Demos/Device/LowLevel/Keyboard/Keyboard.c
+++ b/Demos/Device/LowLevel/Keyboard/Keyboard.c
@@ -118,19 +118,25 @@ void EVENT_USB_Disconnect(void)
  *  of the USB device after enumeration, and configures the keyboard device endpoints.
  */
 void EVENT_USB_ConfigurationChanged(void)
-{
-	/* Setup Keyboard Keycode Report Endpoint */
-	Endpoint_ConfigureEndpoint(KEYBOARD_EPNUM, EP_TYPE_INTERRUPT,
-		                       ENDPOINT_DIR_IN, KEYBOARD_EPSIZE,
-	                           ENDPOINT_BANK_SINGLE);
-
-	/* Setup Keyboard LED Report Endpoint */
-	Endpoint_ConfigureEndpoint(KEYBOARD_LEDS_EPNUM, EP_TYPE_INTERRUPT,
-		                       ENDPOINT_DIR_OUT, KEYBOARD_EPSIZE,
-	                           ENDPOINT_BANK_SINGLE);
-
+{	
 	/* Indicate USB connected and ready */
 	LEDs_SetAllLEDs(LEDMASK_USB_READY);
+
+	/* Setup Keyboard Keycode Report Endpoint */
+	if (!(Endpoint_ConfigureEndpoint(KEYBOARD_EPNUM, EP_TYPE_INTERRUPT,
+		                             ENDPOINT_DIR_IN, KEYBOARD_EPSIZE,
+	                                 ENDPOINT_BANK_SINGLE)))
+	{
+		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+	}
+	
+	/* Setup Keyboard LED Report Endpoint */
+	if (!(Endpoint_ConfigureEndpoint(KEYBOARD_LEDS_EPNUM, EP_TYPE_INTERRUPT,
+		                             ENDPOINT_DIR_OUT, KEYBOARD_EPSIZE,
+	                                 ENDPOINT_BANK_SINGLE)))
+	{
+		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+	}
 }
 
 /** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific
@@ -260,7 +266,7 @@ ISR(TIMER0_COMPA_vect, ISR_BLOCK)
 
 /** Fills the given HID report data structure with the next HID report to send to the host.
  *
- *  \param ReportData  Pointer to a HID report data structure to be filled
+ *  \param[out] ReportData  Pointer to a HID report data structure to be filled
  */
 void CreateKeyboardReport(USB_KeyboardReport_Data_t* ReportData)
 {
@@ -285,7 +291,7 @@ void CreateKeyboardReport(USB_KeyboardReport_Data_t* ReportData)
 
 /** Processes a received LED report, and updates the board LEDs states to match.
  *
- *  \param LEDReport  LED status report from the host
+ *  \param[in] LEDReport  LED status report from the host
  */
 void ProcessLEDReport(uint8_t LEDReport)
 {