/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2009-01-05 Bernard first implementation * 2010-02-04 Magicoe ported to LPC17xx * 2010-05-02 Aozima update CMSIS to 130 * 2017-08-02 XiaoYang porting to LPC54608 bsp */ #include #include #include "board.h" #include "clock_config.h" #include "drv_uart.h" /** * This is the timer interrupt service routine. * */ void SysTick_Handler(void) { /* enter interrupt */ rt_interrupt_enter(); rt_tick_increase(); /* leave interrupt */ rt_interrupt_leave(); } /** * This function will initial LPC54xx board. */ void rt_hw_board_init() { /* Hardware Initialization */ CLOCK_EnableClock(kCLOCK_InputMux); CLOCK_EnableClock(kCLOCK_Iocon); /* NVIC Configuration */ #define NVIC_VTOR_MASK 0x3FFFFF80 #ifdef VECT_TAB_RAM /* Set the Vector Table base location at 0x10000000 */ SCB->VTOR = (0x10000000 & NVIC_VTOR_MASK); #else /* VECT_TAB_FLASH */ /* Set the Vector Table base location at 0x00000000 */ SCB->VTOR = (0x00000000 & NVIC_VTOR_MASK); #endif BOARD_BootClockFROHF48M(); /* init systick 1 systick = 1/(100M / 100) 100个systick = 1s*/ SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND); /* set pend exception priority */ NVIC_SetPriority(PendSV_IRQn, (1 << __NVIC_PRIO_BITS) - 1); #ifdef RT_USING_HEAP rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END); #endif #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 } void MemManage_Handler(void) { extern void HardFault_Handler(void); rt_kprintf("Memory Fault!\n"); HardFault_Handler(); }