/*
 * Copyright (c) 2020-2021, Bluetrum Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2020/12/10     greedyhao    The first version
 */

/**
 * Notice!
 * All functions or data that are called during an interrupt need to be in RAM.
 * You can do it the way exception_isr() does.
 */

#include <rtthread.h>
#include "board.h"
#include "key.h"
#include "usart.h"
#include <stdio.h>
#include "screen.h"

int main(void)
{
    rt_kprintf("hello!\n");
    rtt_serinit();
    rtt_scrinit();
    rtt_show();
    rt_kprintf("pelase send massage!\n");
}
