hpw421初始版本

2026-06-06 16:49:48 +08:00
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+/*!
+ * \file      clock.c
+ *
+ * \brief     Target clock 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 "clock.h"
+#include "xc_drv_clock.h"
+
+/*------------------------------------------------------------------------------------
+	                                     Macros
+ -------------------------------------------------------------------------------------*/
+
+/*------------------------------------------------------------------------------------
+	                                 Global Variables
+ -------------------------------------------------------------------------------------*/
+
+/*------------------------------------------------------------------------------------
+	                                 Func Prototype
+ -------------------------------------------------------------------------------------*/
+ 
+/*------------------------------------------------------------------------------------
+	                                    Functions
+ -------------------------------------------------------------------------------------*/
+/**
+ ****************************************************************************************
+ * @brief 
+ *
+ * @param[in]
+ * @param[in]
+ ****************************************************************************************
+ */
+void clock_init(void)
+{
+    CLOCK_InitCfg_t clock_cfg;
+
+    clock_cfg.hfclk_src = CLOCK_HFCLK_SRC_XTAL;
+    clock_cfg.hfclk_in  = CLOCK_HFCLK_IN_64M;
+    clock_cfg.lfclk_src = CLOCK_LFCLK_SRC_RC;
+
+    if(clock_cfg.lfclk_src == CLOCK_LFCLK_SRC_XTAL) {
+        clock_cfg.lfclk_in  = CLOCK_LFCLK_IN_32768;
+    } else if(clock_cfg.lfclk_src == CLOCK_LFCLK_SRC_RC) {
+        clock_cfg.lfclk_in  = CLOCK_LFCLK_IN_32K;
+    }
+
+    xc_clock_init_cfg(&clock_cfg);
+
+    SysTick_Config(xc_clock_hfclk_in_get( ) / 100);
+    SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk;
+}