From 43edea2fbd9c6b0517ce6f2813afe1d85769b40f Mon Sep 17 00:00:00 2001
From: sh123 <sh123@users.noreply.github.com>
Date: Sun, 31 Oct 2021 14:36:44 +0200
Subject: [PATCH] Documentation

---
 config.h          | 8 +++++++-
 esp32_loraprs.ino | 5 +++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/config.h b/config.h
index 128ba27..9928968 100644
--- a/config.h
+++ b/config.h
@@ -19,9 +19,15 @@
 // lora pinouts, CAD and ISR usage
 #define CFG_LORA_PIN_SS       SS
 #define CFG_LORA_PIN_RST      LORA_RST
+// check board config!!
+// SX127x - DIO0
+// SX126X - DIO1
 #define CFG_LORA_PIN_DIO0     LORA_IRQ
 #ifdef USE_RADIOLIB
-#define CFG_LORA_PIN_DIO1     RADIOLIB_NC // set to your DIO1 pin number if connected
+// check board config!!
+// SX127X - DIO1 (if connected)
+// SX126X - BUSY
+#define CFG_LORA_PIN_DIO1     RADIOLIB_NC
 #define CFG_LORA_USE_ISR      true        // always ON for RadioLib
 #else
 #define CFG_LORA_PIN_DIO1     LORA_IRQ    // not used in arduino-LoRa
diff --git a/esp32_loraprs.ino b/esp32_loraprs.ino
index 29824fe..fb488ec 100644
--- a/esp32_loraprs.ino
+++ b/esp32_loraprs.ino
@@ -33,8 +33,9 @@ void initializeConfig(LoraPrs::Config &cfg) {
   // lora pinouts
   cfg.LoraPinSs = CFG_LORA_PIN_SS;
   cfg.LoraPinRst = CFG_LORA_PIN_RST;
-  cfg.LoraPinDio0 = CFG_LORA_PIN_DIO0;
-  cfg.LoraPinDio1 = CFG_LORA_PIN_DIO1; // valid for radiolib only
+  // For RadioLib DIO0 and DIO1 will depend on Module signature, check RadioLib documentation
+  cfg.LoraPinDio0 = CFG_LORA_PIN_DIO0; // depends on module type, might be DIO1 for SX126x!!
+  cfg.LoraPinDio1 = CFG_LORA_PIN_DIO1; // valid for radiolib only, depends on module type, might be BUSY for SX126x!!
   cfg.LoraUseIsr = CFG_LORA_USE_ISR;  // set to true for incoming packet ISR usage (stream mode, e.g. speech)
   cfg.LoraUseCad = CFG_LORA_USE_CAD;  // carrier detect