“periph_blinky”を読む（sysinit.c編）

/*
 * @brief Common SystemInit function for LPC17xx/40xx chips
 *
 * @note
 * Copyright(C) NXP Semiconductors, 2013
 * All rights reserved.
 *
略
 */

 #include "board.h"

/*****************************************************************************
 * Private types/enumerations/variables
 ****************************************************************************/

/*****************************************************************************
 * Public types/enumerations/variables
 ****************************************************************************/

/*****************************************************************************
 * Private functions
 ****************************************************************************/

/*****************************************************************************
 * Public functions
 ****************************************************************************/

/* Set up and initialize hardware prior to call to main */
void SystemInit(void)
{
	unsigned int *pSCB_VTOR = (unsigned int *) 0xE000ED08;

#if defined(__IAR_SYSTEMS_ICC__)
	extern void *__vector_table;

	*pSCB_VTOR = (unsigned int) &__vector_table;
#elif defined(__CODE_RED)
	extern void *g_pfnVectors;

	*pSCB_VTOR = (unsigned int) &g_pfnVectors;
#elif defined(__ARMCC_VERSION)
	extern void *__Vectors;

	*pSCB_VTOR = (unsigned int) &__Vectors;
#endif

#if defined(__FPU_PRESENT) && __FPU_PRESENT == 1
	fpuInit();
#endif

#if defined(NO_BOARD_LIB)
	/* Chip specific SystemInit */
	Chip_SystemInit();
#else
	/* Setup system clocking and muxing */
	Board_SystemInit();
#endif
}