From e33657eb75ec0f70cb7b958de9aef55bb9af8068 Mon Sep 17 00:00:00 2001
From: Jm Casler <jm@casler.org>
Date: Mon, 9 Nov 2020 19:47:31 -0800
Subject: [PATCH 1/2] Toggle GPIO2 to HIGH when transmitting a packet out the
 LORA radio.

---
 src/configuration.h            | 4 ++++
 src/main.cpp                   | 7 +++++++
 src/mesh/RadioLibInterface.cpp | 4 ++++
 3 files changed, 15 insertions(+)

diff --git a/src/configuration.h b/src/configuration.h
index 5e8964d22..3fadf9a6b 100644
--- a/src/configuration.h
+++ b/src/configuration.h
@@ -162,6 +162,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // This string must exactly match the case used in release file names or the android updater won't work
 #define HW_VENDOR "tbeam"
 
+// Jm's TXRX Deduplexer
+#define RADIO_TXRX 2
+
+
 // #define BUTTON_NEED_PULLUP // if set we need to turn on the internal CPU pullup during sleep
 
 #define I2C_SDA 21
diff --git a/src/main.cpp b/src/main.cpp
index 0f24e1bc4..99a197555 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -233,6 +233,13 @@ RadioInterface *rIf = NULL;
 
 void setup()
 {
+
+// Jm's TXRX Deduplexer
+//  if 0 - receive
+//     1 - transmit
+pinMode(RADIO_TXRX, OUTPUT);
+digitalWrite(RADIO_TXRX, 0);
+
 #ifdef USE_SEGGER
     SEGGER_RTT_ConfigUpBuffer(0, NULL, NULL, 0, SEGGER_RTT_MODE_NO_BLOCK_TRIM);
 #endif
diff --git a/src/mesh/RadioLibInterface.cpp b/src/mesh/RadioLibInterface.cpp
index 41d000d69..7d5aa10b2 100644
--- a/src/mesh/RadioLibInterface.cpp
+++ b/src/mesh/RadioLibInterface.cpp
@@ -247,6 +247,8 @@ void RadioLibInterface::completeSending()
         txGood++;
         printPacket("Completed sending", sendingPacket);
 
+        digitalWrite(RADIO_TXRX, 0);
+
         // We are done sending that packet, release it
         packetPool.release(sendingPacket);
         sendingPacket = NULL;
@@ -309,6 +311,8 @@ void RadioLibInterface::handleReceiveInterrupt()
 /** start an immediate transmit */
 void RadioLibInterface::startSend(MeshPacket *txp)
 {
+    digitalWrite(RADIO_TXRX, 1);
+
     printPacket("Starting low level send", txp);
     setStandby(); // Cancel any already in process receives
 

From f60922af34927d1a5d12e62f8d7869588ba772dc Mon Sep 17 00:00:00 2001
From: Jm Casler <jm@casler.org>
Date: Sun, 22 Nov 2020 15:42:36 -0800
Subject: [PATCH 2/2] Accidently checked in my rf deduplexer

---
 src/configuration.h | 4 ----
 src/main.cpp        | 6 ------
 2 files changed, 10 deletions(-)

diff --git a/src/configuration.h b/src/configuration.h
index 08956678d..ed851ed8f 100644
--- a/src/configuration.h
+++ b/src/configuration.h
@@ -162,10 +162,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // This string must exactly match the case used in release file names or the android updater won't work
 #define HW_VENDOR "tbeam"
 
-// Jm's TXRX Deduplexer
-#define RADIO_TXRX 2
-
-
 // #define BUTTON_NEED_PULLUP // if set we need to turn on the internal CPU pullup during sleep
 
 #define I2C_SDA 21
diff --git a/src/main.cpp b/src/main.cpp
index 84ea99c05..acef3b672 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -245,12 +245,6 @@ void setup()
     SEGGER_RTT_ConfigUpBuffer(SEGGER_STDOUT_CH, NULL, NULL, 1024, SEGGER_RTT_MODE_NO_BLOCK_TRIM);
 #endif
 
-// Jm's TXRX Deduplexer
-//  if 0 - receive
-//     1 - transmit
-pinMode(RADIO_TXRX, OUTPUT);
-digitalWrite(RADIO_TXRX, 0);
-
 #ifdef USE_SEGGER
     SEGGER_RTT_ConfigUpBuffer(0, NULL, NULL, 0, SEGGER_RTT_MODE_NO_BLOCK_TRIM);
 #endif