From 6c6f1eb16ca39b925c200a79dc6cd8ccfc9938ef Mon Sep 17 00:00:00 2001
From: Thomas Kuschel <thomas@kuschel.at>
Date: Sun, 18 Oct 2026 03:07:22 +0200
Subject: [PATCH] FIX parameter for SX1276 and 433.175 MHz

---
 src/config.hpp | 8 ++++----
 src/lora.cpp   | 2 ++
 src/main.cpp   | 4 ++--
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/config.hpp b/src/config.hpp
index 2bf686a..247a17b 100644
--- a/src/config.hpp
+++ b/src/config.hpp
@@ -47,10 +47,10 @@ namespace Config {
     constexpr gpio_num_t LORA_IRQ_PIN     = GPIO_NUM_26;
 
     // Semtech SX1276 LoRa Configuration Parameters
-    // 433.175 MHz is calculated by: 433175000 / (32000000 / 2^19) = 7096525 = 0x06C4CD
-    constexpr uint8_t LORA_FRF_MSB        = 0x06;
-    constexpr uint8_t LORA_FRF_MID        = 0xC4;
-    constexpr uint8_t LORA_FRF_LSB        = 0xCD;
+    // 433.175 MHz is calculated by: 433175000 / (32000000 / 2^19) = 7097139.2 = 0x6c4b33 // wrong: 0x06C4CD
+    constexpr uint8_t LORA_FRF_MSB        = 0x6C;
+    constexpr uint8_t LORA_FRF_MID        = 0x4B;
+    constexpr uint8_t LORA_FRF_LSB        = 0x33;
 
     // Modem Config 1: BW 250kHz (0x80), CR 4/6 (0x04), Explicit Header (0x00) -> 0x84
     constexpr uint8_t LORA_MODEM_CONFIG_1 = 0x84;
diff --git a/src/lora.cpp b/src/lora.cpp
index 2478cc5..3ffaa8c 100644
--- a/src/lora.cpp
+++ b/src/lora.cpp
@@ -213,6 +213,8 @@ void LoraController::run() {
     setModeReceiver();
     extern DisplayController* display; // Reference the global display singleton
 
+    ESP_LOGI(TAG, "LoRa RX was initialized and is running");
+
     while (true) {
         if (xSemaphoreTake(m_isrSemaphore, portMAX_DELAY) == pdTRUE) {
             uint32_t irqFlags = readRegister(0x12);
diff --git a/src/main.cpp b/src/main.cpp
index e075a76..25dbe45 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -37,7 +37,7 @@ i2c* i2c_bus = nullptr;
 DisplayController* display = nullptr;
 
 /**
- * @brief Global pointer tracking the Semtech SX1276 core radio frquency
+ * @brief Global pointer tracking the Semtech SX1276 core radio frequency
 */
 LoraController* lora_module = nullptr;
 
@@ -130,7 +130,7 @@ extern "C" {
             //display->printMessage(0, "FoxMesh " Config::PROJECT_VERSION " \x86" "OE3TKT");
             snprintf(msg, sizeof(msg), "FoxMesh %s OE3TKT", Config::PROJECT_VERSION);
             display->printMessage(1, msg);
-            display->printMessage(2, "Bärbel frühstückt ©");
+            //display->printMessage(2, "Bärbel frühstückt ©");
         }
         // Main system watchdog and status monitor loop
         while (true) {