/* * Copyright (c) 2018, Synopsys, Inc. * * SPDX-License-Identifier: Apache-2.0 */ #include #include #include #ifdef RT_USING_HEAP #define rt_system_heap_size 1024*64 static rt_uint32_t rt_system_heap[rt_system_heap_size/4] = {0}; #endif extern int rt_application_init(void); void rt_hw_interrupt_init(void) { /* rt-thread specific interrupt and exception init */ } /** * This function will startup RT-Thread RTOS. */ void rtthread_startup(void) { /* initialize hardware interrupt */ rt_hw_interrupt_init(); /* initialize board */ rt_hw_board_init(); /* show RT-Thread version */ rt_show_version(); /* initialize memory system */ #ifdef RT_USING_HEAP rt_system_heap_init((void *)rt_system_heap, (void *)(rt_system_heap+rt_system_heap_size)); #endif /* initialize scheduler system */ rt_system_scheduler_init(); /* initialize system timer */ rt_system_timer_init(); /* initialize soft timer thread */ rt_system_timer_thread_init(); /* initialize application */ rt_application_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(); /* invoke rtthread_startup */ rtthread_startup(); return 0; }