X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f3ec62b5c689d9c66b07a57df76ca83881ce3fe3..2e76ad721e494f3a14ece73100ea9a2144c6fe8e:/LUFA/Drivers/USB/Class/Device/CDC.h

diff --git a/LUFA/Drivers/USB/Class/Device/CDC.h b/LUFA/Drivers/USB/Class/Device/CDC.h
index 8b4e2da8e..6f78a24dd 100644
--- a/LUFA/Drivers/USB/Class/Device/CDC.h
+++ b/LUFA/Drivers/USB/Class/Device/CDC.h
@@ -305,6 +305,9 @@
 			 *
 			 *  \note The created stream can be given as stdout if desired to direct the standard output from all <stdio.h> functions
 			 *        to the given CDC interface.
+			 *        \n\n
+			 *
+			 *  \note This function is not available on all microcontroller architectures.
 			 *
 			 *  \param[in,out] CDCInterfaceInfo  Pointer to a structure containing a CDC Class configuration and state.
 			 *  \param[in,out] Stream            Pointer to a FILE structure where the created stream should be placed.
@@ -315,6 +318,8 @@
 			/** Identical to \ref CDC_Device_CreateStream(), except that reads are blocking until the calling stream function terminates
 			 *  the transfer. While blocking, the USB and CDC service tasks are called repeatedly to maintain USB communications.
 			 *
+			 *  \note This function is not available on all microcontroller architectures.
+			 *
 			 *  \param[in,out] CDCInterfaceInfo  Pointer to a structure containing a CDC Class configuration and state.
 			 *  \param[in,out] Stream            Pointer to a FILE structure where the created stream should be placed.
 			 */
@@ -325,12 +330,15 @@
 	#if !defined(__DOXYGEN__)
 		/* Function Prototypes: */
 			#if defined(__INCLUDE_FROM_CDC_DEVICE_C)
+				#if defined(FDEV_SETUP_STREAM)
 				static int CDC_Device_putchar(char c,
 				                              FILE* Stream) ATTR_NON_NULL_PTR_ARG(2);
 				static int CDC_Device_getchar(FILE* Stream) ATTR_NON_NULL_PTR_ARG(1);
 				static int CDC_Device_getchar_Blocking(FILE* Stream) ATTR_NON_NULL_PTR_ARG(1);
+				#endif
 
 				void CDC_Device_Event_Stub(void) ATTR_CONST;
+				
 				void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
 				                                          ATTR_WEAK ATTR_NON_NULL_PTR_ARG(1) ATTR_ALIAS(CDC_Device_Event_Stub);
 				void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)