From 0f9936a0e0c6c2acc4d1ec042b49ab884a7ba0a3 Mon Sep 17 00:00:00 2001
From: GUVWAF <78759985+GUVWAF@users.noreply.github.com>
Date: Thu, 2 Nov 2023 15:21:07 +0100
Subject: [PATCH] Change default Coding Rate to 4/5 for <=LongFast (#2920)

Increases througput at the cost of a little bit of sensitivity
Non-breaking as the CR is sent in the LoRa header
---
 src/mesh/RadioInterface.cpp | 12 ++++++------
 src/mesh/RadioInterface.h   |  4 ++--
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/mesh/RadioInterface.cpp b/src/mesh/RadioInterface.cpp
index 0d2238396..4b4072dcc 100644
--- a/src/mesh/RadioInterface.cpp
+++ b/src/mesh/RadioInterface.cpp
@@ -384,27 +384,27 @@ void RadioInterface::applyModemConfig()
         switch (loraConfig.modem_preset) {
         case meshtastic_Config_LoRaConfig_ModemPreset_SHORT_FAST:
             bw = (myRegion->wideLora) ? 812.5 : 250;
-            cr = 8;
+            cr = 5;
             sf = 7;
             break;
         case meshtastic_Config_LoRaConfig_ModemPreset_SHORT_SLOW:
             bw = (myRegion->wideLora) ? 812.5 : 250;
-            cr = 8;
+            cr = 5;
             sf = 8;
             break;
         case meshtastic_Config_LoRaConfig_ModemPreset_MEDIUM_FAST:
             bw = (myRegion->wideLora) ? 812.5 : 250;
-            cr = 8;
+            cr = 5;
             sf = 9;
             break;
         case meshtastic_Config_LoRaConfig_ModemPreset_MEDIUM_SLOW:
             bw = (myRegion->wideLora) ? 812.5 : 250;
-            cr = 8;
+            cr = 5;
             sf = 10;
             break;
         default: // Config_LoRaConfig_ModemPreset_LONG_FAST is default. Gracefully use this is preset is something illegal.
             bw = (myRegion->wideLora) ? 812.5 : 250;
-            cr = 8;
+            cr = 5;
             sf = 11;
             break;
         case meshtastic_Config_LoRaConfig_ModemPreset_LONG_MODERATE:
@@ -546,4 +546,4 @@ size_t RadioInterface::beginSending(meshtastic_MeshPacket *p)
 
     sendingPacket = p;
     return p->encrypted.size + sizeof(PacketHeader);
-}
+}
\ No newline at end of file
diff --git a/src/mesh/RadioInterface.h b/src/mesh/RadioInterface.h
index 9c5d66293..85ce116dc 100644
--- a/src/mesh/RadioInterface.h
+++ b/src/mesh/RadioInterface.h
@@ -56,7 +56,7 @@ class RadioInterface
 
     float bw = 125;
     uint8_t sf = 9;
-    uint8_t cr = 7;
+    uint8_t cr = 5;
     /** Slottime is the minimum time to wait, consisting of:
       - CAD duration (maximum of SX126x and SX127x);
       - roundtrip air propagation time (assuming max. 30km between nodes);
@@ -223,4 +223,4 @@ class RadioInterface
 };
 
 /// Debug printing for packets
-void printPacket(const char *prefix, const meshtastic_MeshPacket *p);
+void printPacket(const char *prefix, const meshtastic_MeshPacket *p);
\ No newline at end of file