X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/26017b68b0632c91e71eb29e87ca94670425e081..64e93612988e88e70d995987588b32c99cf91e3b:/Projects/AVRISP-MKII/Lib/V2Protocol.h?ds=sidebyside

diff --git a/Projects/AVRISP-MKII/Lib/V2Protocol.h b/Projects/AVRISP-MKII/Lib/V2Protocol.h
index 8e9e6ff38..59752e58f 100644
--- a/Projects/AVRISP-MKII/Lib/V2Protocol.h
+++ b/Projects/AVRISP-MKII/Lib/V2Protocol.h
@@ -40,7 +40,7 @@
 		#include <avr/io.h>
 		#include <avr/interrupt.h>
 		#include <avr/wdt.h>
-	
+
 		#include <LUFA/Drivers/USB/USB.h>
 
 		#include "../Descriptors.h"
@@ -58,10 +58,19 @@
 			#endif
 		#endif
 
-		#if defined(USB_SERIES_4_AVR) && ((VTARGET_ADC_CHANNEL == 2) || (VTARGET_ADC_CHANNEL == 3))
+		#if defined(USB_SERIES_4_AVR) && ((VTARGET_ADC_CHANNEL == 2) || (VTARGET_ADC_CHANNEL == 3)) && !defined(NO_VTARGET_DETECT)
 			#error The U4 AVR chips do not contain ADC channels 2 or 3. Please change VTARGET_ADC_CHANNEL or define NO_VTARGET_DETECT in the makefile.
 		#endif
 
+		#if defined(VTARGET_USE_INTERNAL_REF)
+			#undef  VTARGET_REF_VOLTS
+			#define VTARGET_REF_VOLTS 2.56
+
+			#define VTARGET_REF_MASK ADC_REFERENCE_INT2560MV
+		#else
+			#define VTARGET_REF_MASK ADC_REFERENCE_AVCC
+		#endif
+
 	/* Macros: */
 		/** Programmer ID string, returned to the host during the CMD_SIGN_ON command processing. */
 		#define PROGRAMMER_ID              "AVRISP_MK2"