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/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* Copyright 2016-2018 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdint.h>
#include "board.h"
#include "pin_mux.h"
#include "fsl_common.h"
void rt_hw_board_init()
{
CLOCK_EnableClock(kCLOCK_PortA);
CLOCK_EnableClock(kCLOCK_PortB);
CLOCK_EnableClock(kCLOCK_PortC);
CLOCK_EnableClock(kCLOCK_PortD);
CLOCK_EnableClock(kCLOCK_PortE);
BOARD_InitBootClocks();
BOARD_InitPins();
SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
/* set pend exception priority */
NVIC_SetPriority(PendSV_IRQn, (1 << __NVIC_PRIO_BITS) - 1);
#ifdef RT_USING_COMPONENTS_INIT
/* initialization board with RT-Thread Components */
rt_components_board_init();
#endif
#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif
#ifdef RT_USING_HEAP
rt_kprintf("sram heap, begin: %p, end: %p\n", HEAP_BEGIN, HEAP_END);
rt_system_heap_init((void *)HEAP_BEGIN, (void *)(HEAP_END));
#endif
}
/**
* This is the timer interrupt service routine.
*
*/
void SysTick_Handler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
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