/* * Copyright (c) 2015, Freescale Semiconductor, Inc. * Copyright 2016-2018 NXP * All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include #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(); }