添加PAN159资料

2021-09-26 17:19:12 +08:00
parent 2109411cf7
commit 7fd213ef33
3783 changed files with 1783056 additions and 0 deletions
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+/**************************************************************************//**
+ * @file     system_Mini58Series.c
+ * @version  V1.00
+ * $Revision: 3 $
+ * $Date: 15/02/13 9:13a $
+ * @brief    Mini58 series system clock init code and assert handler
+ *
+ * @note
+ * Copyright (C) 2015 Nuvoton Technology Corp. All rights reserved.
+ *****************************************************************************/
+
+#include <stdint.h>
+#include "Mini58Series.h"
+
+
+/*----------------------------------------------------------------------------
+  Clock Variable definitions
+ *----------------------------------------------------------------------------*/
+uint32_t __HSI = __HIRC;                 /*!< Factory Default is internal high speed RC 44.2368M divided by 2 */
+uint32_t SystemCoreClock;                /*!< System Clock Frequency (Core Clock) */
+uint32_t PllClock = __HIRC;              /*!< PLL Output Clock Frequency         */
+uint32_t CyclesPerUs;                    /*!< Cycles per micro second */
+
+/**
+ *  @brief  Check HIRC clock rate feed to HCLK
+ *
+ *  @return none
+ */
+
+void SystemInit (void)
+{
+
+}
+
+/**
+  * @brief  This function is used to update the variable SystemCoreClock
+  *   and must be called whenever the core clock is changed.
+  * @param  None.
+  * @retval None.
+  */
+
+void SystemCoreClockUpdate (void)
+{
+    uint32_t u32CoreFreq, u32ClkSrc;
+
+    /* Update PLL Clock */
+    PllClock = CLK_GetPLLClockFreq();
+
+    u32ClkSrc = CLK->CLKSEL0 & CLK_CLKSEL0_HCLKSEL_Msk;
+
+    if (u32ClkSrc == 0)
+        u32CoreFreq = __XTAL;       /* External crystal clock */
+    else if (u32ClkSrc ==2)
+        u32CoreFreq = PllClock;       /* PLL clock */
+    else if (u32ClkSrc == 3)
+        u32CoreFreq = __IRC10K;     /* Internal 10K crystal clock */
+    else if (u32ClkSrc ==  7)
+        u32CoreFreq = __HIRC;       /* Factory Default is internal RC */
+    else
+        u32CoreFreq = __HIRC;       /* unknown value, use Factory Default is internal RC */
+
+    SystemCoreClock = (u32CoreFreq/((CLK->CLKDIV & CLK_CLKDIV_HCLKDIV_Msk) + 1));
+    CyclesPerUs = (SystemCoreClock + 500000) / 1000000;
+}
+
+#if USE_ASSERT
+
+/**
+ * @brief      Assert Error Message
+ *
+ * @param[in]  file  the source file name
+ * @param[in]  line  line number
+ *
+ * @return     None
+ *
+ * @details    The function prints the source file name and line number where
+ *             the ASSERT_PARAM() error occurs, and then stops in an infinite loop.
+ */
+void AssertError(uint8_t * file, uint32_t line)
+{
+
+    printf("[%s] line %d : wrong parameters.\r\n", file, line);
+
+    /* Infinite loop */
+    while(1) ;
+}
+#endif
+
+/*** (C) COPYRIGHT 2015 Nuvoton Technology Corp. ***/