Add error message for debugging purposes to the low level AudioInputHost and AudioOutputHost demos, if the request to set the audio sample rate fails.

Demos/Host/LowLevel/AudioInputHost/AudioInputHost.c

@@ -152,6 +152,9 @@ void EVENT_USB_Host_DeviceEnumerationComplete(void)
 	/* Set the sample rate on the streaming interface endpoint */
 	if ((ErrorCode = USB_Host_SendControlRequest(&SampleRate)) != HOST_SENDCONTROL_Successful)
 	{
+		printf_P(PSTR(ESC_FG_RED "Could not set requested Audio sample rate.\r\n"
+		                         " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 		USB_Host_SetDeviceConfiguration(0);
 		return;

Demos/Host/LowLevel/AudioOutputHost/AudioOutputHost.c

@@ -158,6 +158,9 @@ void EVENT_USB_Host_DeviceEnumerationComplete(void)
 	/* Set the sample rate on the streaming interface endpoint */
 	if ((ErrorCode = USB_Host_SendControlRequest(&SampleRate)) != HOST_SENDCONTROL_Successful)
 	{
+		printf_P(PSTR(ESC_FG_RED "Could not set requested Audio sample rate.\r\n"
+		                         " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 		USB_Host_SetDeviceConfiguration(0);
 		return;

LUFA/DoxygenPages/LUFAPoweredProjects.txt

@@ -93,6 +93,7 @@
  *  \li NeroJTAG, a JTAG dongle: https://github.com/makestuff/neroJtag
  *  \li NES Controller USB modification: https://github.com/nfd/nes_adapter
  *  \li Nikon wireless camera remote control (Norwegian): http://hekta.org/~hpe1119/
+ *  \li Numpad keyboard: http://tuomasnylund.fi/drupal6/content/usb-cherry-mx-numpad
  *  \li Opendous-JTAG, an open source ARM JTAG debugger: http://code.google.com/p/opendous-jtag/
  *  \li Openkubus, an open source hardware-based authentication dongle: http://code.google.com/p/openkubus/
  *  \li Orbee, a USB connected RGB Orb for notifications: http://www.franksworkshop.com.au/Electronics/Orbee/Orbee.htm