From 1a2d66305d5b40abe75d4d12f92ed7285024f0e4 Mon Sep 17 00:00:00 2001
From: jgromes <jgromes@users.noreply.github.com>
Date: Sat, 13 Feb 2021 15:43:16 +0100
Subject: [PATCH] [PHY] Added method to set direct mode parameters (#177)

---
 src/protocols/PhysicalLayer/PhysicalLayer.cpp | 10 ++++++++++
 src/protocols/PhysicalLayer/PhysicalLayer.h   |  9 ++++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/protocols/PhysicalLayer/PhysicalLayer.cpp b/src/protocols/PhysicalLayer/PhysicalLayer.cpp
index b30a0cf9..82d04910 100644
--- a/src/protocols/PhysicalLayer/PhysicalLayer.cpp
+++ b/src/protocols/PhysicalLayer/PhysicalLayer.cpp
@@ -167,3 +167,13 @@ int32_t PhysicalLayer::random(int32_t min, int32_t max) {
 
   return(PhysicalLayer::random(max - min) + min);
 }
+
+int16_t PhysicalLayer::startDirect() {
+  // disable encodings
+  int16_t state = setEncoding(0);
+  RADIOLIB_ASSERT(state);
+
+  // set frequency deviation to the lowest possible value
+  state = setFrequencyDeviation(0);
+  return(state);
+}
diff --git a/src/protocols/PhysicalLayer/PhysicalLayer.h b/src/protocols/PhysicalLayer/PhysicalLayer.h
index d817fbcc..b3fe2829 100644
--- a/src/protocols/PhysicalLayer/PhysicalLayer.h
+++ b/src/protocols/PhysicalLayer/PhysicalLayer.h
@@ -239,7 +239,7 @@ class PhysicalLayer {
     \param min The minimum value of the random number (inclusive).
 
     \param max The maximum value of the random number (non-inclusive).
-   
+
     \returns Random number.
    */
    int32_t random(int32_t min, int32_t max);
@@ -251,6 +251,13 @@ class PhysicalLayer {
   */
    virtual uint8_t random() = 0;
 
+   /*!
+     \brief Configure module parameters for direct modes. Must be called prior to "ham" modes like RTTY or AX.25. Only available in FSK mode.
+
+     \returns \ref status_codes
+   */
+   int16_t startDirect();
+
 #ifndef RADIOLIB_GODMODE
   private:
 #endif