/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes */ #include <rthw.h> #include <rtthread.h> #include <sep4020.h> #include <board.h> #include <serial.h> #ifdef RT_USING_FINSH #include <finsh.h> #endif #ifdef RT_USING_LWIP #include <lwip/sys.h> #include <netif/ethernetif.h> #endif #define SDRAM_BASE 0x30000000 #ifdef __CC_ARM extern int Image$$RW_RAM1$$ZI$$Limit; #elif (defined (__GNUC__)) extern unsigned char __bss_end; #endif extern void rt_application_init(void); extern int finsh_system_init(void); extern void sd_init(void); void rtthread_startup() { /* init hardware interrupt */ rt_hw_interrupt_init(); /* init board */ rt_hw_board_init(); /* show version */ rt_show_version(); /* init timer system */ rt_system_timer_init(); /* init heap memory system */ #ifdef __CC_ARM rt_system_heap_init((void*)&Image$$RW_RAM1$$ZI$$Limit, (void*)(SDRAM_BASE + 0x200000)); #else rt_system_heap_init(&__bss_end, (void*)0x34000000); #endif /* init scheduler system */ rt_system_scheduler_init(); #ifdef RT_USING_DEVICE #ifdef RT_USING_DFS rt_hw_sdcard_init(); #endif #ifdef RT_USING_LWIP eth_system_device_init(); rt_hw_dm9161_init(); #endif #endif /* init application */ rt_application_init(); #ifdef RT_USING_FINSH /* init finsh */ finsh_system_init(); #if !defined(RT_USING_POSIX_STDIO) && defined(RT_USING_DEVICE) finsh_set_device("uart0"); #endif #endif /* init idle thread */ rt_thread_idle_init(); /* start scheduler */ rt_system_scheduler_start(); /* never reach here */ return ; } int main() { /* disable interrupt first */ rt_hw_interrupt_disable(); /* startup RT-Thread RTOS */ rtthread_startup(); return 0; }