/* * File : board.c * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2009 RT-Thread Develop Team * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rt-thread.org/license/LICENSE * * 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" #include "drv_sdram.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¸ösystick = 1s*/ SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND); /* set pend exception priority */ NVIC_SetPriority(PendSV_IRQn, (1 << __NVIC_PRIO_BITS) - 1); /*init uart device*/ rt_hw_uart_init(); #ifdef RT_USING_CONSOLE rt_console_set_device(RT_CONSOLE_DEVICE_NAME); #endif #if LPC_EXT_SDRAM == 1 lpc_sdram_hw_init(); #endif #ifdef RT_USING_COMPONENTS_INIT /* initialization board with RT-Thread Components */ rt_components_board_init(); #endif } #ifdef RT_USING_RTGUI #include #include "drv_lcd.h" /* initialize for gui driver */ int rtgui_lcd_init(void) { rt_device_t device; rt_hw_lcd_init(); device = rt_device_find("lcd"); /* set graphic device */ rtgui_graphic_set_device(device); return 0; } INIT_DEVICE_EXPORT(rtgui_lcd_init); #endif void MemManage_Handler(void) { extern void HardFault_Handler(void); rt_kprintf("Memory Fault!\n"); HardFault_Handler(); }