esp32: Added reset code as string

include/Espressif.hpp

@@ -11,9 +11,10 @@ namespace fabomatic::esp32
   auto signalWatchdog() -> bool;
   auto showHeapStats() -> void;
   auto removeWatchdog() -> void;
-  [[nodiscard]] auto esp_serial() -> const std::string_view;
+  [[nodiscard]] auto esp_serial_str() -> const std::string_view;
   auto getFreeHeap() -> uint32_t;
+  [[nodiscard]] auto esp_reset_reason_str() -> const std::string_view;
   [[noreturn]] auto restart() -> void;
-}
+} // namespace fabomatic::esp32
 
 #endif // ESPRESSIF_HPP

src/Espressif.cpp

@@ -64,7 +64,7 @@ namespace fabomatic::esp32
   }
 
   /// @brief Returns the ESP32 serial number as a string
-  [[nodiscard]] auto esp_serial() -> const std::string_view
+  [[nodiscard]] auto esp_serial_str() -> const std::string_view
   {
     static std::array<char, 13> result; // +1 for null termination
 
@@ -95,4 +95,44 @@ namespace fabomatic::esp32
     esp_restart();
   }
 
+  auto esp_reset_reason_str() -> const std::string_view
+  {
+    switch (esp_reset_reason())
+    {
+    case ESP_RST_UNKNOWN: //!< Reset reason can not be determined
+      return "Unknown";
+    case ESP_RST_POWERON: //!< Reset due to power-on event
+      return "Power-on reset";
+    case ESP_RST_EXT: //!< Reset by external pin (not applicable for ESP32)
+      return "External pin reset";
+    case ESP_RST_SW: //!< Software reset via esp_restart
+      return "Software reset";
+    case ESP_RST_PANIC: //!< Software reset due to exception/panic
+      return "Panic";
+    case ESP_RST_INT_WDT: //!< Reset (software or hardware) due to interrupt watchdog
+      return "Interrupt watchdog reset";
+    case ESP_RST_TASK_WDT: //!< Reset due to task watchdog
+      return "Task watchdog reset";
+    case ESP_RST_WDT: //!< Reset due to other watchdogs
+      return "Watchdog reset";
+    case ESP_RST_DEEPSLEEP: //!< Reset after exiting deep sleep mode
+      return "Deepsleep exit";
+    case ESP_RST_BROWNOUT: //!< Brownout reset (software or hardware)
+      return "Brownout";
+    case ESP_RST_SDIO: //!< Reset over SDIO
+      return "SDIO reset";
+    case ESP_RST_USB: //!< Reset by USB peripheral
+      return "USB reset";
+    case ESP_RST_JTAG: //!< Reset by JTAG
+      return "JTAG reset";
+    case ESP_RST_EFUSE: //!< Reset due to efuse error
+      return "EFUSE error";
+    case ESP_RST_PWR_GLITCH: //!< Reset due to power glitch detected
+      return "Power glitch";
+    case ESP_RST_CPU_LOCKUP: //!< Reset due to CPU lock up
+      return "CPU lock up";
+    default:
+      return "UNKNOWN";
+    }
+  }
 }

src/main.cpp

@@ -222,7 +222,7 @@ namespace fabomatic
     }
 
     // Skip factory reset for this specific board because Factory Reset is soldered under the MCU with the reset pin.
-    if (const auto &serial = esp32::esp_serial(); serial == "dcda0c419794")
+    if (const auto &serial = esp32::esp_serial_str(); serial == "dcda0c419794")
     {
       pinMode(pins.buttons.factory_defaults_pin, INPUT); // Disable pull-up/pull-downs
       return;
@@ -447,7 +447,7 @@ void setup()
   hw_init &= logic.initBoard();
 
   [[maybe_unused]] const auto count = fabomatic::SavedConfig::IncrementBootCount();
-  ESP_LOGI(TAG, "Boot count: %d, reset reason: %d", count, esp_reset_reason());
+  ESP_LOGI(TAG, "Boot count: %d, reset reason: %s", count, fabomatic::esp32::esp_reset_reason_str().data());
 
   logic.changeStatus(Status::Booting);