Linux单板led驱动程序的相关内容

文章 2024-02-07 来自：开发者社区

Linux 驱动开发基础知识—— 具体单板的 LED 驱动程序（五）

一、怎么写 LED 驱动程序？详细步骤如下：（1）看原理图确定引脚，确定引脚输出什么电平才能点亮/熄灭 LED （2）看主芯片手册，确定寄存器操作方法：哪些寄存器？哪些位？地址是？ ...

文章 2022-12-13 来自：开发者社区

嵌入式linux/鸿蒙开发板(IMX6ULL）开发（二十七）具体单板的LED驱动程序

以下板子选用的内核都是4.x版本，操作都是类似的：rk3399 linux 4.4.154 rk3288 linux 4.4.154 imx6ul linux 4.9.88 am3358 linux 4.9.1681.1 怎么写LED驱动程序？详细步骤如下：① 看原理图确定引脚，确定引脚输出什么电平才能点亮/熄灭LED②看主芯片手册，确定寄存器操作方法：哪些寄存器？哪些位？地址是？...

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更新时间 2024-02-07 09:39:41

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