V1.0

2026-06-11 13:00:46 +08:00
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+/*!
+ * \file      wdt.c
+ *
+ * \brief     Target wdt(watch dog) implementation
+ *
+ * \copyright Revised BSD License, see section \ref LICENSE.
+ *
+ * \code
+ *
+ *            _  __ _       ________    _     
+ *           | |/ /(_)___  / ____/ /_  (_)___ 
+ *           |   // / __ \/ /   / __ \/ / __ \
+ *          /   |/ / / / / /___/ / / / / /_/ /
+ *         /_/|_/_/_/ /_/\____/_/ /_/_/ .___/ 
+ *                                   /_/      
+ *           (C) 2022-2025 XinChip
+ *
+ * \endcode
+ *
+ * \author     ( XinChip ) Alex-J
+ *
+ * \author     ( XinChip )
+ */
+
+/*-----------------------------------------------------------------------------------
+	                               INCLUDE HEADE FILES
+ ------------------------------------------------------------------------------------*/
+#include "wdt.h"
+#include "xc_drv_wdt.h"
+
+/*------------------------------------------------------------------------------------
+	                                    Macros
+ -------------------------------------------------------------------------------------*/
+
+/*------------------------------------------------------------------------------------
+	                                 Global Variables
+ -------------------------------------------------------------------------------------*/
+
+/*------------------------------------------------------------------------------------
+	                                    Functions
+ -------------------------------------------------------------------------------------*/
+/**
+ * @brief       wdt_demo
+ * @details     
+ * @param       void 
+ * @retval      void 	
+ */
+ 
+ 
+ void wdt_mode0_demo()
+{
+    DEBUG("__WDT_WORK_MODE0_DEMO__\r");
+
+    WDT_InitCfg_t wdt_cfg ;
+
+    wdt_cfg.WorkMode = WDT_WORK_MODE0;
+
+    wdt_cfg.ReloadValue = WDT_CLK_32K_RESET_MODE0_2048MS;  
+
+    wdt_cfg.PclkSel = WDT_WORK_32K;
+    
+    xc_wdt_init(&wdt_cfg);
+    xc_wdt_start();
+    
+    while(1)
+    {
+        delay_ms(2000);  //If the reset time is set to be less than 2s,it will be reset directly
+        DEBUG("wdt mode0 demo\n");
+        xc_wdt_reload(); //Refeeding
+    }
+}
+
+ 
+ 
+void wdt_mode1_demo()
+{
+    DEBUG("__WDT_WORK_MODE1_DEMO__\r");
+
+    WDT_InitCfg_t wdt_cfg ;
+
+    NVIC_EnableIRQ(WDT_IRQn);    
+
+    wdt_cfg.WorkMode = WDT_WORK_MODE1;
+
+    wdt_cfg.ReloadValue = WDT_CLK_32K_RESET_MODE1_4096MS;//WDT_CLK_32M_RESET_MODE1_8192US WDT_CLK_32K_RESET_MODE1_4096MS
+
+    wdt_cfg.PclkSel = WDT_WORK_32K;
+    
+    xc_wdt_init(&wdt_cfg);
+    xc_wdt_start();
+
+}
+
+#define WDT_MODE0_DEMO      1
+#define WDT_MODE1_DEMO      0
+
+void wdt_demo()
+{
+#if WDT_MODE0_DEMO
+    /* Software timed reset */
+    wdt_mode0_demo();
+#endif
+
+#if WDT_MODE1_DEMO
+    /* Software did not clear interrupt, reset, feed dog in interrupt */
+    wdt_mode1_demo();
+#endif
+}
+