From d99e050b97e4e5e391999ae29ab9c5734a999eae Mon Sep 17 00:00:00 2001
From: jgromes <jgromes@users.noreply.github.com>
Date: Thu, 6 Feb 2020 13:30:51 +0100
Subject: [PATCH] [SX126x] Fixed SNR calculation for SNR les than 0

---
 src/modules/SX126x/SX126x.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/modules/SX126x/SX126x.cpp b/src/modules/SX126x/SX126x.cpp
index 46d311cb..7cea5d77 100644
--- a/src/modules/SX126x/SX126x.cpp
+++ b/src/modules/SX126x/SX126x.cpp
@@ -1051,7 +1051,11 @@ float SX126x::getSNR() {
   // get last packet SNR from packet status
   uint32_t packetStatus = getPacketStatus();
   uint8_t snrPkt = (packetStatus >> 8) & 0xFF;
-  return(snrPkt/4.0);
+  if(snrPkt < 128) {
+    return(snrPkt/4.0);
+  } else {
+    return((snrPkt - 256)/4.0);
+  }
 }
 
 size_t SX126x::getPacketLength(bool update) {