From eadd370d24b692a6228cb00b2d186ce1d8e241a1 Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Wed, 19 May 2021 15:50:06 +0200
Subject: [PATCH] btstack_cvsd_plc: fix range test/warning

---
 src/classic/btstack_cvsd_plc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/classic/btstack_cvsd_plc.c b/src/classic/btstack_cvsd_plc.c
index f458c9f3a..747c1e087 100644
--- a/src/classic/btstack_cvsd_plc.c
+++ b/src/classic/btstack_cvsd_plc.c
@@ -66,9 +66,10 @@ static float rcos[CVSD_OLAL] = {
     0.13049554f,0.03376389f};
 
 float btstack_cvsd_plc_rcos(int index){
-    if (index > CVSD_OLAL) return 0;
+    if (index >= CVSD_OLAL) return 0;
     return rcos[index];
 }
+
 // taken from http://www.codeproject.com/Articles/69941/Best-Square-Root-Method-Algorithm-Function-Precisi
 // Algorithm: Babylonian Method + some manipulations on IEEE 32 bit floating point representation
 static float sqrt3(const float x){