From 812aa35f096c0102bdcf246a335810596873c558 Mon Sep 17 00:00:00 2001
From: GUVWAF <78759985+GUVWAF@users.noreply.github.com>
Date: Sat, 11 Jan 2025 14:19:17 +0100
Subject: [PATCH] Enable Tx interrupt immediately after `startTransmit()`
 (#5820)

---
 src/mesh/RadioLibInterface.cpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/mesh/RadioLibInterface.cpp b/src/mesh/RadioLibInterface.cpp
index 09266b334..0a047a660 100644
--- a/src/mesh/RadioLibInterface.cpp
+++ b/src/mesh/RadioLibInterface.cpp
@@ -501,14 +501,13 @@ bool RadioLibInterface::startSend(meshtastic_MeshPacket *txp)
             powerMon->clearState(meshtastic_PowerMon_State_Lora_TXOn); // Transmitter off now
             startReceive(); // Restart receive mode (because startTransmit failed to put us in xmit mode)
         } else {
+            // Must be done AFTER, starting transmit, because startTransmit clears (possibly stale) interrupt pending register
+            // bits
+            enableInterrupt(isrTxLevel0);
             lastTxStart = millis();
             printPacket("Started Tx", txp);
         }
 
-        // Must be done AFTER, starting transmit, because startTransmit clears (possibly stale) interrupt pending register
-        // bits
-        enableInterrupt(isrTxLevel0);
-
         return res == RADIOLIB_ERR_NONE;
     }
 }
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