mac-rom-simm-programmer/hal/m258ke/nuvoton/system_M251.c

77 lines
2.2 KiB
C
Raw Normal View History

/**************************************************************************//**
* @file system_M251.c
* @version V0.10
* @brief System Setting Source File
*
* SPDX-License-Identifier: Apache-2.0
* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
****************************************************************************/
#include <arm_cmse.h>
#include <stdio.h>
#include <stdint.h>
#include "NuMicro.h"
#if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
#include "partition_M251.h"
#endif
extern void *__Vectors; /* see startup file */
/*----------------------------------------------------------------------------
Clock Variable definitions
*----------------------------------------------------------------------------*/
uint32_t SystemCoreClock = __HSI; /*!< System Clock Frequency (Core Clock) */
uint32_t CyclesPerUs = (__HSI / 1000000); /*!< Cycles per micro second */
uint32_t PllClock = __HSI; /*!< PLL Output Clock Frequency */
const uint32_t gau32ClkSrcTbl[8] = {__HXT, __LXT, 0UL, __LIRC, 0UL, __MIRC, 0UL, __HIRC};
/**
* @brief System Initialization
*
* @details The necessary initialization of system. Global variables are forbidden here.
*/
void SystemInit(void)
{
/* Set access cycle for CPU @ 48MHz */
FMC->CYCCTL = (FMC->CYCCTL & ~FMC_CYCCTL_CYCLE_Msk) | (3 << FMC_CYCCTL_CYCLE_Pos) | 0x100;
#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U)
SCB->VTOR = (uint32_t) &__Vectors;
#endif
#if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
TZ_SAU_Setup();
SCU_Setup();
FMC_NSBA_Setup();
#endif
#ifdef INIT_SYSCLK_AT_BOOTING
#endif
}
#if USE_ASSERT
/**
* @brief Assert Error Message
*
* @param[in] file the source file name
* @param[in] line line number
*
* @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 %u : wrong parameters.\r\n", file, line);
/* Infinite loop */
while (1) ;
}
#endif