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library/inc/lh32m0g3x_iwdg.h

@@ -0,0 +1,81 @@
+/******************************************************************************
+ * 版权所有：苏州领慧立芯科技有限公司
+ * Copyright (c) 2020-2025 Suzhou Legendsemi Technology Co., Ltd.
+ ******************************************************************************
+ * All rights reserved. Distributed under MIT license.
+ * The file is encoded in UTF-8 without signature.
+ * @file    lh32m0g30x_iwdg.h
+ * @version 2025-09-08
+ ******************************************************************************/
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __LH32M0G3x_IWDG_H
+#define __LH32M0G3x_IWDG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "lh32m0xx_lhl.h"
+
+/* Public Definition ---------------------------------------------------------*/
+
+/* KR register bit mask */
+#define KR_KEY_RELOAD   ((uint16_t)0xAAAA)
+#define KR_KEY_ENABLE   ((uint16_t)0xCCCC)
+#define KR_KEY_START    ((uint16_t)0xAAAA)
+#define KR_KEY_UNLOCK   ((uint16_t)0x5555)
+
+/** @defgroup IWDG_prescaler 
+  * @{
+  */
+typedef enum {
+    IWDG_PRESCALER_4    = ((uint8_t)0x00),
+    IWDG_PRESCALER_8    = ((uint8_t)0x01),
+    IWDG_PRESCALER_16   = ((uint8_t)0x02),
+    IWDG_PRESCALER_32   = ((uint8_t)0x03),
+    IWDG_PRESCALER_64   = ((uint8_t)0x04),
+    IWDG_PRESCALER_128  = ((uint8_t)0x05),
+    IWDG_PRESCALER_256  = ((uint8_t)0x06),
+} IWDG_PRESCALER_t;
+/**
+  * @}
+  */ 
+
+/** @defgroup IWDG_Flag 
+  * @{
+  */
+#define IWDG_FLAG_PVU               ((uint16_t)0x0001)
+#define IWDG_FLAG_RVU               ((uint16_t)0x0002)
+#define IS_IWDG_FLAG(FLAG) (((FLAG) == IWDG_FLAG_PVU) || ((FLAG) == IWDG_FLAG_RVU))
+#define IS_IWDG_RELOAD(RELOAD) ((RELOAD) <= 0xFFF)
+/**
+  * @}
+  */
+
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions --------------------------------------------------------*/
+
+/* Prescaler and Counter configuration functions ******************************/
+LHL_StatusTypeDef   LHL_IWDG_SetPrescaler(IWDG_PRESCALER_t IWDG_Prescaler, uint32_t Timeout);
+LHL_StatusTypeDef   LHL_IWDG_SetReload(uint16_t Reload, uint32_t Timeout);
+LHL_StatusTypeDef   LHL_IWDG_Unlock(void);
+void                LHL_IWDG_Lock(void);
+
+/* IWDG activation function ***************************************************/
+void                LHL_IWDG_Reload(void);
+LHL_StatusTypeDef   LHL_IWDG_Stop(void);
+LHL_StatusTypeDef   LHL_IWDG_Resume(void);
+LHL_StatusTypeDef   LHL_IWDG_Start(void);
+
+/* Flag management function ***************************************************/
+//FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+/*********************************End of File**********************************/