From 29b8164cad0bdcba0820f356ccbf6e43fdca64d9 Mon Sep 17 00:00:00 2001
From: ZacJW <zac@zacjw.com>
Date: Sat, 12 Mar 2022 19:13:05 +0000
Subject: [PATCH 1/2] Added packetSnrRaw method that doesn't use float

Some microcontrollers cannot use their floating-point coprocessor during
interrupts (e.g. ESP32) which means they can't use the packetSnr
method. packetSnrRaw allows the user to forgo the `* 0.25` in such cases
---
 src/LoRa.cpp | 7 ++++++-
 src/LoRa.h   | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/LoRa.cpp b/src/LoRa.cpp
index 210a589..04be069 100644
--- a/src/LoRa.cpp
+++ b/src/LoRa.cpp
@@ -268,7 +268,12 @@ int LoRaClass::packetRssi()
 
 float LoRaClass::packetSnr()
 {
-  return ((int8_t)readRegister(REG_PKT_SNR_VALUE)) * 0.25;
+  return packetSnrRaw() * 0.25;
+}
+
+int LoRaClass::packetSnrRaw()
+{
+  return ((int8_t)readRegister(REG_PKT_SNR_VALUE));
 }
 
 long LoRaClass::packetFrequencyError()
diff --git a/src/LoRa.h b/src/LoRa.h
index b312db5..20e4cbf 100644
--- a/src/LoRa.h
+++ b/src/LoRa.h
@@ -43,6 +43,7 @@ class LoRaClass : public Stream {
   int parsePacket(int size = 0);
   int packetRssi();
   float packetSnr();
+  int packetSnrRaw();
   long packetFrequencyError();
 
   int rssi();

From 38e60b90faf9293955890bdacef9cdcc79a95621 Mon Sep 17 00:00:00 2001
From: ZacJW <zac@zacjw.com>
Date: Sat, 12 Mar 2022 19:18:21 +0000
Subject: [PATCH 2/2] Added documentation for packetSnrRaw

---
 API.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/API.md b/API.md
index db1cf1c..2d8cad8 100644
--- a/API.md
+++ b/API.md
@@ -204,6 +204,14 @@ float snr = LoRa.packetSnr();
 
 Returns the estimated SNR of the received packet in dB.
 
+### Packet SNR Raw
+
+```arduino
+int snrRaw = LoRa.packetSnrRaw();
+```
+
+Like [`LoRa.packetSnr()`](#packet-snr) except it returns an `int` that is 4 times the SNR of the received packet in dB.
+
 ## RSSI
 
 ```arduino