Add error message for debugging purposes to the low level AudioInputHost and...

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