From 5a9ff5a4912f87918390348c8caa54ea8a6afada Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20G=C3=B6ttgens?= <tgoettgens@gmail.com>
Date: Mon, 30 Sep 2024 16:17:00 +0200
Subject: [PATCH] [SX1227x] fix DIO register mapping (#1246)

---
 src/modules/SX127x/SX127x.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modules/SX127x/SX127x.cpp b/src/modules/SX127x/SX127x.cpp
index 94b278bd..036fce83 100644
--- a/src/modules/SX127x/SX127x.cpp
+++ b/src/modules/SX127x/SX127x.cpp
@@ -1400,7 +1400,7 @@ int16_t SX127x::setIrqFlags(uint32_t irq) {
 
     // DIO pin is unused, set the flag and configure it
     usedPinFlags |= (1UL << dioNum);
-    uint8_t addr = (dioNum > 3) ? RADIOLIB_SX127X_REG_DIO_MAPPING_1 : RADIOLIB_SX127X_REG_DIO_MAPPING_2;
+    uint8_t addr = (dioNum > 3) ? RADIOLIB_SX127X_REG_DIO_MAPPING_2 : RADIOLIB_SX127X_REG_DIO_MAPPING_1;
     uint8_t msb = 7 - 2*(dioNum % 4);
     state = this->mod->SPIsetRegValue(addr, regVal, msb, msb - 1);
     RADIOLIB_ASSERT(state);