From aebe2d2f9868a178c64f246f6d618a0f87079ecc Mon Sep 17 00:00:00 2001
From: Federico Maggi <fede@maggi.cc>
Date: Tue, 13 Apr 2021 12:22:49 +0200
Subject: [PATCH] Caching carrier frequency

---
 src/modules/RF69/RF69.cpp | 3 +++
 src/modules/RF69/RF69.h   | 1 +
 2 files changed, 4 insertions(+)

diff --git a/src/modules/RF69/RF69.cpp b/src/modules/RF69/RF69.cpp
index e6777e2b..aa5ec80a 100644
--- a/src/modules/RF69/RF69.cpp
+++ b/src/modules/RF69/RF69.cpp
@@ -407,6 +407,9 @@ int16_t RF69::setFrequency(float freq) {
   _mod->SPIwriteRegister(RF69_REG_FRF_MSB, (FRF & 0xFF0000) >> 16);
   _mod->SPIwriteRegister(RF69_REG_FRF_MID, (FRF & 0x00FF00) >> 8);
   _mod->SPIwriteRegister(RF69_REG_FRF_LSB, FRF & 0x0000FF);
+
+  _freq = freq;
+
   return(ERR_NONE);
 }
 
diff --git a/src/modules/RF69/RF69.h b/src/modules/RF69/RF69.h
index 41a149d8..ee2564ab 100644
--- a/src/modules/RF69/RF69.h
+++ b/src/modules/RF69/RF69.h
@@ -886,6 +886,7 @@ class RF69: public PhysicalLayer {
   protected:
 #endif
 
+    float _freq = 0;
     float _br = 0;
     float _rxBw = 0;
     bool _ook = false;