Toggle GPIO2 to HIGH when transmitting a packet out the LORA radio.

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

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

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