From 81998ce297fd9959f505e96a69337f3548db0d71 Mon Sep 17 00:00:00 2001
From: Dean Camera <dean@fourwalledcubicle.com>
Date: Sun, 22 Aug 2010 01:42:09 +0000
Subject: Added compile time error to the AVRISP-MKII project when built for
 the U4 chips, as the default VTARGET detection ADC channel does not exist on
 these chips (thanks to Marco).

---
 Projects/AVRISP-MKII/Lib/V2Protocol.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'Projects')

diff --git a/Projects/AVRISP-MKII/Lib/V2Protocol.h b/Projects/AVRISP-MKII/Lib/V2Protocol.h
index af0dd416f..8cbd45531 100644
--- a/Projects/AVRISP-MKII/Lib/V2Protocol.h
+++ b/Projects/AVRISP-MKII/Lib/V2Protocol.h
@@ -53,6 +53,10 @@
 				#define ENABLE_XPROG_PROTOCOL
 			#endif
 		#endif
+		
+		#if defined(USB_SERIES_4_AVR) && ((VTARGET_ADC_CHANNEL == 2) || (VTARGET_ADC_CHANNEL == 3))
+			#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
 
 	/* Macros: */
 		#if !defined(__DOXYGEN__)
-- 
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