在RT_thread studio 中如何配置PWM外设？

发布于 2020-03-14 10:35:48 浏览：2343 订阅该版

根据官方提供的参考文档
STM32上运用PWM：

[https://www.rt-thread.org/document/site/application-note/driver/pwm/an0037-rtthread-driver-pwm/](https://www.rt-thread.org/document/site/application-note/driver/pwm/an0037-rtthread-driver-pwm/)
PWM设备：

[https://www.rt-thread.org/document/site/programming-manual/device/pwm/pwm/](https://www.rt-thread.org/document/site/programming-manual/device/pwm/pwm/)
添加外设驱动：

[https://www.rt-thread.org/document/site/rtthread-studio/drivers/cubemx/rtthread-studio-cubemx/](https://www.rt-thread.org/document/site/rtthread-studio/drivers/cubemx/rtthread-studio-cubemx/)

做了以下配置：
![小Q截图-20200314100231.png](/uploads/202003/14/103304hbr2ffbopycyo4bc.png)

生成hal_msp.c文件后添加到工程中，并将原#include <main.h>修改为#include <board.h>

![小Q截图-20200314100420.png](/uploads/202003/14/103304kycp42y1tvu41dp1.png)

添加外设驱动文件。（编译提示缺省pwm_config,h，于是添加了配置文件）
![小Q截图-20200314101909.png](/uploads/202003/14/103304j7vb1dv409dg1vjb.png)

在board.c中启用外设
![小Q截图-20200314102008.png](/uploads/202003/14/103422drc4or6dro32m4cz.png)
编译后文件，又以下报错。
![小Q截图-20200314102354.png](/uploads/202003/14/103305p6due263663dgnsd.png)
请问是我哪步做错了，或者缺少了？到底在studio中如何开启pwm外设！

![小Q截图-20200314102008.png](https://oss-club.rt-thread.org/uploads/202003/14/103304e74ft1gz4ig77dst.png)