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NuMaker-IoT-M487评测--USBH

发布于 2022-05-05 21:36:42 浏览：539 订阅该版

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# NuMaker-IoT-M487评测

按RT-Thread文档中心上手指南操作：https://www.rt-thread.org/document/site/#/rt-thread-version/rt-thread-standard/tutorial/quick-start/numaker-iot-m487/quick-start

1. 当git clone、pkgs --update等指令出现如下错误提示，说明证书位置出现错误。原因为在指定路径下未能找到证书。修复方法：

方法一、更新git配置文件中证书存放位置信息：路径根据实际修改

```perl
   git config --system http.sslcainfo "D:/ProgramFiles/Git/mingw64/ssl/certs/ca-bundle.crt"
   ```

方法二、执行命令,关闭证书校验：git config --system http.sslverify false

![image.png](https://oss-club.rt-thread.org/uploads/20220505/887234da233a4347a0b599c23109d675.png)

## 操作步骤

1. 下载rt-thread源码，https://github.com/RT-Thread/rt-thread,  此处存放于E:\Numaker_IoT_M487目录下。

2. 打开E:\Numaker_IoT_M487\rt-thread\bsp\nuvoton\numaker-iot-m487文件夹。

3. 下载Env工具，https://www.rt-thread.org/page/download.html ，并将其关联至右击鼠标的快捷选项中，参考：https://www.jianshu.com/p/7f355bb01fe5

4. 在上面开发板文件夹中右击选择打开Env

![image.png](https://oss-club.rt-thread.org/uploads/20220505/22d17bd490d9dd43258c72e152a8a67c.png)

5. 输入menuconfig，打开配置工具

![image.png](https://oss-club.rt-thread.org/uploads/20220505/0b1ab9d70970798b595e67b7d3a0d665.png)

6. 通过方向键，选择RT-Thread Components--->DFS:device virtual file system--->,按下图所示选择相应项

![image.png](https://oss-club.rt-thread.org/uploads/20220505/95ea285edc17d1e29b2fdc0748048fb2.png)

7. Esc键返回上层，选择FAL:flash abstraction layer--->
![image.png](https://oss-club.rt-thread.org/uploads/20220505/3b1bd5b8935ca057188a1b8c0c23cfa3.png)

![image.png](https://oss-club.rt-thread.org/uploads/20220505/49845d05a7d538c704d92c1f05a2b953.png)

8. Esc键返回上层，选择Device Drivers--->,然后打开Using USB--->

![image.png](https://oss-club.rt-thread.org/uploads/20220505/cb5c92a6197ed4b0557ae513e259e215.png)

![image.png](https://oss-club.rt-thread.org/uploads/20220505/22125eba610d7bb013bf29082adb563a.png)

9. 通过返回最外层，选择Hardware Drivers Config--->on-chip Peripheral Drivers--->

![image.png](https://oss-club.rt-thread.org/uploads/20220505/8222accfd6eb94e5288e9bd0b7e8926b.png)

10. 至此.config配置完成，Save保存，退出menuconfig
11. 在命令行输入 scons --target=mdk5,生成MDK5.X工程，提示done building targets即完成构建工作

![image.png](https://oss-club.rt-thread.org/uploads/20220505/599e0c4a1febb438e83e82dcc951a8fe.png)

12. 关闭命令窗口，找到生成的工程文件打开![image-20220422222636398]![image.png](https://oss-club.rt-thread.org/uploads/20220505/dd3ac05052a12985f0b6f535fbe401fc.png)

13. 修改MDK中编译器，改为5版本

![image.png](https://oss-club.rt-thread.org/uploads/20220505/aaac7985cd5e4b9e9e2212724e80480a.png)

14. 调试器选择Nuvoton Nu-Link Debugger

![image.png](https://oss-club.rt-thread.org/uploads/20220505/aba26250bc49d47c03af78b03189f4ed.png)

15. 编译工程

![image.png](https://oss-club.rt-thread.org/uploads/20220505/62328880cf806cc4f185977c5538e1a8.png)

16. 主要测试代码

```c
static void readwrite_sample(void){

int fd, size;

char s[] = "RT-Thread Programmer!", buffer[80];
    
rt_kprintf("Write string %s to test.txt.\n", s);

/* 以创建和读写模式打开 /test.txt 文件，如果该文件不存在则创建该文件 */
fd = open("/test.txt", O_WRONLY | O_CREAT);
if (fd>= 0)
{
    write(fd, s, sizeof(s));
    close(fd);
    rt_kprintf("Write done.\n");
}

/* 以只读模式打开 /text.txt 文件 */
fd = open("/test.txt", O_RDONLY);
if (fd>= 0)
{
    size = read(fd, buffer, sizeof(buffer));
    close(fd);
    rt_kprintf("Read from file test.txt : %s \n", buffer);
    if (size < 0)
        return ;
}
}
```

17. 测试，打开PuTTY测试终端，开发板复位后应该识别U盘大小（注意我测试时更换了几个U盘才识别出一个，暂时原因未找到，尽量用质量好点的，年代较新的测试）

![image.png](https://oss-club.rt-thread.org/uploads/20220505/adb978c9ddce495bce2364a732c0b558.png)

![image.png](https://oss-club.rt-thread.org/uploads/20220505/a0926f492371b22aae9c98841dee6d28.png)

18. 在终端中输入测试命令：readwrite_sample,此处多次测试未成功，将U盘格式化为FAT16可以测试通过

![image.png](https://oss-club.rt-thread.org/uploads/20220505/4e929f720669b3cc95fefe6222bfb76a.png)

19. U盘中生成test.txt,至此测试完成。

![image.png](https://oss-club.rt-thread.org/uploads/20220505/50c84d6cc160ef20ccbf576e299b59fb.png)

![image.png](https://oss-club.rt-thread.org/uploads/20220505/cbafc2aadeffd91ea69d43a014ca6dfe.png)