/* * File : startup.c * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * Change Logs: * Date Author Notes * 2017-08-08 Yang the first version */ #include #include #include "board.h" #include "drv_sram.h" extern int rt_application_init(void); /** * This function will startup RT-Thread RTOS. */ void rtthread_startup(void) { /* initialize board */ rt_hw_board_init(); /* show version */ rt_show_version(); #ifdef RT_USING_HEAP #if LPC_EXT_SDRAM rt_kprintf(" heap: [0x%08x - 0x%08x]\n", LPC_EXT_SDRAM_BEGIN, LPC_EXT_SDRAM_END); rt_system_heap_init((void *)LPC_EXT_SDRAM_BEGIN, (void *)LPC_EXT_SDRAM_END); sram_init(); #else rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END); #endif #endif /* initialize scheduler system */ rt_system_scheduler_init(); /* initialize system timer*/ rt_system_timer_init(); /* initialize application */ rt_application_init(); /* initialize timer thread */ rt_system_timer_thread_init(); /* initialize idle thread */ rt_thread_idle_init(); /* start scheduler */ rt_system_scheduler_start(); /* never reach here */ return ; } int main(void) { /* disable interrupt first */ rt_hw_interrupt_disable(); /* startup RT-Thread RTOS */ rtthread_startup(); return 0; }