/* * 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 */ #include #include #include "uart.h" #include "board.h" #include "LPC17xx.h" /** * @addtogroup LPC17xx */ /*@{*/ /** * This is the timer interrupt service routine. * */ void rt_hw_timer_handler(void) { /* enter interrupt */ rt_interrupt_enter(); rt_tick_increase(); /* leave interrupt */ rt_interrupt_leave(); } void SysTick_Handler(void) { rt_hw_timer_handler(); } /** * This function will initial LPC17xx board. */ void rt_hw_board_init() { /* 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 /* initialize systick */ SysTick_Config( SystemCoreClock/RT_TICK_PER_SECOND); /* set pend exception priority */ NVIC_SetPriority(PendSV_IRQn, (1<<__NVIC_PRIO_BITS) - 1); #ifdef RT_USING_UART0 rt_hw_uart_init(); rt_console_set_device(RT_CONSOLE_DEVICE_NAME); #endif } /*@}*/