1 /* 2 * Copyright (c) 2006-2021, RT-Thread Development Team 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 * 6 * Change Logs: 7 * Date Author Notes 8 * 2009-01-05 Bernard first implementation 9 * 2010-02-04 Magicoe ported to LPC17xx 10 * 2010-05-02 Aozima update CMSIS to 130 11 * 2017-08-02 XiaoYang porting to LPC54608 bsp 12 */ 13 14 #include <rthw.h> 15 #include <rtthread.h> 16 17 #include "board.h" 18 #include "clock_config.h" 19 #include "drv_uart.h" 20 #include "drv_sdram.h" 21 22 /** 23 * This is the timer interrupt service routine. 24 * 25 */ SysTick_Handler(void)26void SysTick_Handler(void) 27 { 28 /* enter interrupt */ 29 rt_interrupt_enter(); 30 31 rt_tick_increase(); 32 33 /* leave interrupt */ 34 rt_interrupt_leave(); 35 } 36 37 /** 38 * This function will initial LPC54xx board. 39 */ rt_hw_board_init()40void rt_hw_board_init() 41 { 42 /* Hardware Initialization */ 43 CLOCK_EnableClock(kCLOCK_InputMux); 44 CLOCK_EnableClock(kCLOCK_Iocon); 45 46 /* NVIC Configuration */ 47 #define NVIC_VTOR_MASK 0x3FFFFF80 48 #ifdef VECT_TAB_RAM 49 /* Set the Vector Table base location at 0x10000000 */ 50 SCB->VTOR = (0x10000000 & NVIC_VTOR_MASK); 51 #else /* VECT_TAB_FLASH */ 52 /* Set the Vector Table base location at 0x00000000 */ 53 SCB->VTOR = (0x00000000 & NVIC_VTOR_MASK); 54 #endif 55 56 BOARD_BootClockFROHF48M(); 57 /* init systick 1 systick = 1/(100M / 100) 100 systicks = 1s*/ 58 SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND); 59 /* set pend exception priority */ 60 NVIC_SetPriority(PendSV_IRQn, (1 << __NVIC_PRIO_BITS) - 1); 61 62 /* Heap initialization */ 63 #ifdef RT_USING_HEAP 64 #ifdef BSP_DRV_SDRAM 65 rt_kprintf(" heap: [0x%08x - 0x%08x]\n", LPC_EXT_SDRAM_BEGIN, LPC_EXT_SDRAM_END); 66 rt_system_heap_init((void *)LPC_EXT_SDRAM_BEGIN, (void *)LPC_EXT_SDRAM_END); 67 sram_init(); 68 #else 69 rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END); 70 #endif 71 #endif 72 73 /*init uart device*/ 74 rt_hw_uart_init(); 75 76 #if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE) 77 rt_console_set_device(RT_CONSOLE_DEVICE_NAME); 78 #endif 79 80 #ifdef BSP_DRV_SDRAM 81 lpc_sdram_hw_init(); 82 #endif 83 84 #ifdef RT_USING_COMPONENTS_INIT 85 /* initialization board with RT-Thread Components */ 86 rt_components_board_init(); 87 #endif 88 } 89 90 #ifdef PKG_USING_GUIENGINE 91 #include <rtgui/driver.h> 92 #include "drv_lcd.h" 93 94 /* initialize for gui driver */ rtgui_lcd_init(void)95int rtgui_lcd_init(void) 96 { 97 rt_device_t device; 98 99 rt_hw_lcd_init(); 100 101 device = rt_device_find("lcd"); 102 /* set graphic device */ 103 rtgui_graphic_set_device(device); 104 105 return 0; 106 } 107 INIT_DEVICE_EXPORT(rtgui_lcd_init); 108 #endif 109 MemManage_Handler(void)110void MemManage_Handler(void) 111 { 112 extern void HardFault_Handler(void); 113 114 rt_kprintf("Memory Fault!\n"); 115 HardFault_Handler(); 116 } 117