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