From 106b5f122e3d013fd003b318b453f499002e5119 Mon Sep 17 00:00:00 2001
From: Blake Latchford <github.demote149@passmail.com>
Date: Wed, 28 Oct 2026 20:46:00 -0400
Subject: [PATCH] Fix Generic_ESPNOW_* builds on boards without a LoRa radio

Compile out code when the corresponding macro defines are missing.
Failing builds: comp_radio_usb, repeatr, room_svr,
terminal_chat

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 src/helpers/ESP32Board.cpp | 2 ++
 src/helpers/ESP32Board.h   | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/src/helpers/ESP32Board.cpp b/src/helpers/ESP32Board.cpp
index d190fca190..4cad75367a 100644
--- a/src/helpers/ESP32Board.cpp
+++ b/src/helpers/ESP32Board.cpp
@@ -63,11 +63,13 @@ void ESP32Board::enterDeepSleep(uint32_t secs) {
   radio_driver.powerOff();
 
   // Keep LoRa inactive during deepsleep
+#ifdef P_LORA_NSS
   digitalWrite(P_LORA_NSS, HIGH);
 #if defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32C6)
   gpio_hold_en((gpio_num_t)P_LORA_NSS);
 #else
   rtc_gpio_hold_en((gpio_num_t)P_LORA_NSS);
+#endif
 #endif
 
   // Power off GPS if any
diff --git a/src/helpers/ESP32Board.h b/src/helpers/ESP32Board.h
index cd274cd931..a47981255b 100644
--- a/src/helpers/ESP32Board.h
+++ b/src/helpers/ESP32Board.h
@@ -69,9 +69,11 @@ class ESP32Board : public mesh::MainBoard {
   virtual void powerOff() override;
   void enterDeepSleep(uint32_t secs);
 
+#ifdef P_LORA_DIO_1
   uint32_t getIRQGpio() override {
     return P_LORA_DIO_1; // default for SX1262
   }
+#endif
 
   void sleep(uint32_t secs) override {
     // Skip if not allow to sleep
@@ -82,6 +84,10 @@ class ESP32Board : public mesh::MainBoard {
 
     // Set GPIO wakeup
     gpio_num_t wakeupPin = (gpio_num_t)getIRQGpio();    
+    if (wakeupPin == GPIO_NUM_NC) {  // no radio IRQ pin to wake on
+      delay(1);
+      return;
+    }
 
     // Configure timer wakeup
     if (secs > 0) {