From 10310ef335c87d43de6650039bf194fe5cb35764 Mon Sep 17 00:00:00 2001
From: nanovna <54525305+nanovna@users.noreply.github.com>
Date: Fri, 24 Jan 2020 07:27:25 +0000
Subject: [PATCH] fix automatic sweep nValues logic

---
 libxavna/xavna_cpp.C | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libxavna/xavna_cpp.C b/libxavna/xavna_cpp.C
index dc3778c..e24950a 100644
--- a/libxavna/xavna_cpp.C
+++ b/libxavna/xavna_cpp.C
@@ -35,8 +35,9 @@ namespace xaxaxa {
 		}
 		_dev = xavna_open(dev.c_str());
 		if(!_dev) throw runtime_error(strerror(errno));
-		
-		if(isAutoSweep() != _lastDeviceIsAutosweep) {
+
+		bool a = isAutoSweep();
+		if(a != _lastDeviceIsAutosweep) {
 			if(isAutoSweep()) {
 				nValues = 2;
 				nWait = -1;
@@ -45,6 +46,7 @@ namespace xaxaxa {
 				nWait = 20;
 			}
 		}
+		_lastDeviceIsAutosweep = a;
 	}
 	bool VNADevice::isTR() {
 		if(!_dev) return true;