STM32F103 HAL库通过PWM+DMA驱动SW2812灯带（呼吸、跑马、水滴模式）
包含SW2812的多种炫彩模式，比如呼吸灯，跑马灯，水滴灯等，驱动函数都是封装好的，只需要对函数的形参进行修改就可以设置好自己要点亮的RGB灯数，要点亮的颜色，呼吸、流水的速度等。
通过延时机器周期的方式去转换成SW2812的0、1码的方式虽然程序简单，但是会大量占用MCU线程，且会被中断打断，容易导致RGB显示出错。
该程序首先对要发送的RGB数据进行处理后通过指针存储在特定地址，再通过PWM+DMA的方式将RGB数据通过硬件PWM发送出去的同时，也不会占用了MCU的线程导致程序出现异常BUG，使MCU拥有大量线程资源去进行别的控制。
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style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]
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本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二条之规定，若资源存在侵权或相关问题请联系本站客服人员，zhiweidada#qq.com，请把#换成@，本站将给予最大的支持与配合，做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明