From 4e2036ba36953023f7e193b289e10111e3978d43 Mon Sep 17 00:00:00 2001
From: TT <edy555@gmail.com>
Date: Sat, 28 Sep 2019 21:49:59 +0900
Subject: [PATCH] fix: #52

---
 main.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/main.c b/main.c
index e4ab024..63177b1 100644
--- a/main.c
+++ b/main.c
@@ -755,9 +755,10 @@ void
 set_frequencies(uint32_t start, uint32_t stop, int16_t points)
 {
   int i;
-  uint32_t span = (stop - start) / 1000; /* prevents overflow because of maximum of int32_t(2.147e+9) */  
+  float span = stop - start;
   for (i = 0; i < points; i++)
-    frequencies[i] = start + span * i / (points - 1) * 1000;
+    frequencies[i] = start + i * span / (float)(points - 1);
+  // disable at out of sweep range
   for (; i < sweep_points; i++)
     frequencies[i] = 0;
 }