[core] Add textual reset reason API

arduino/libretuya/core/LibreTuyaClass.cpp

@@ -50,6 +50,33 @@ const char *LibreTuya::getDeviceName() {
 	return deviceName;
 }
 
+/**
+ * @brief Get a textual representation of a reset reason.
+ *
+ * @param reason value to convert to text, uses getResetReason() by default
+ */
+const char *LibreTuya::getResetReasonName(ResetReason reason) {
+	if (reason >= RESET_REASON_MAX)
+		reason = getResetReason();
+	switch (reason) {
+		case RESET_REASON_POWER:
+			return "Power-On";
+		case RESET_REASON_BROWNOUT:
+			return "Brownout";
+		case RESET_REASON_HARDWARE:
+			return "HW Reboot";
+		case RESET_REASON_SOFTWARE:
+			return "SW Reboot";
+		case RESET_REASON_WATCHDOG:
+			return "WDT Reset";
+		case RESET_REASON_CRASH:
+			return "Crash";
+		case RESET_REASON_SLEEP:
+			return "Sleep Wakeup";
+	}
+	return "Unknown";
+}
+
 /**
  * @brief Get CPU frequency in MHz.
  */

arduino/libretuya/core/LibreTuyaClass.h

@@ -16,6 +16,7 @@ typedef enum {
 	RESET_REASON_WATCHDOG = 5,
 	RESET_REASON_CRASH	  = 6,
 	RESET_REASON_SLEEP	  = 7,
+	RESET_REASON_MAX	  = 8,
 } ResetReason;
 
 /**
@@ -42,12 +43,21 @@ class LibreTuya {
 	ChipFamily getChipFamily();
 	const char *getChipFamilyName();
 	const char *getDeviceName();
+	const char *getResetReasonName(int32_t reason = -1);
 	uint32_t getCpuFreqMHz();
 	uint32_t getFlashChipSize();
 	uint8_t otaGetTarget();
 	bool otaRollback();
 	bool otaCanRollback();
 
+  public: /* Compatibility methods */
+	/**
+	 * @brief Alias of getMaxAllocHeap().
+	 */
+	inline uint32_t getMaxFreeBlockSize() {
+		return getMaxAllocHeap();
+	}
+
   public: /* Family-defined methods */
 	/**
 	 * @brief Reboot the CPU.