From a4c0adb78eced83efcb02b8c62c44b35d02f05d3 Mon Sep 17 00:00:00 2001
From: sh123 <sh123@users.noreply.github.com>
Date: Sat, 13 Feb 2021 09:41:41 +0200
Subject: [PATCH] Comments

---
 esp32_loraprs.ino | 2 +-
 loraprs_config.h  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/esp32_loraprs.ino b/esp32_loraprs.ino
index ee73878..581c24f 100644
--- a/esp32_loraprs.ino
+++ b/esp32_loraprs.ino
@@ -34,7 +34,7 @@ void initializeConfig(LoraPrs::Config &cfg) {
   cfg.LoraPinSs = CFG_LORA_PIN_SS;
   cfg.LoraPinRst = CFG_LORA_PIN_RST;
   cfg.LoraPinDio0 = CFG_LORA_PIN_DIO0;
-  cfg.LoraUseIsr = true;
+  cfg.LoraUseIsr = true;  // set to false for polling instead of interrupts
 
   // aprs configuration
   cfg.AprsHost = "rotate.aprs2.net";
diff --git a/loraprs_config.h b/loraprs_config.h
index 10c6587..69cb288 100644
--- a/loraprs_config.h
+++ b/loraprs_config.h
@@ -20,7 +20,7 @@ struct Config
   byte LoraPinSs;       // lora ss pin
   byte LoraPinRst;      // lora rst pin
   byte LoraPinDio0;     // lora dio0 pin
-  bool LoraUseIsr;      // true to use interrupts
+  bool LoraUseIsr;      // true to use interrupts, false for polling, e.g. if Dio0 is not connected
 
   int AprsPort;         // aprs server port, 14580
   String AprsHost;      // aprs server hostname, rotate.aprs2.net