头文件
#ifndef __HEAD_H__
#define __HEAD_H__
typedef struct{unsigned int MODER;unsigned int OTYPER;unsigned int OSPEEDR;unsigned int PUPDR;unsigned int IDR;unsigned int ODR;
}gpio_t;
#define PHY_LED1_ADDR 0X50006000
#define PHY_LED2_ADDR 0X50007000
#d…
最近在使用Wireshark进行抓包排错时,选择网卡后提示报错,在此之前从未出现过,报错内容如下: 提示内容是The capture session could not be initiated on capture device,无法在捕获设备上启动捕获会话要求操作是Please…
1.通过字符设备驱动分步注册方式编写LED灯的驱动,应用程序使用ioctl函数编写硬件控制逻辑
head.h
#ifndef __HEAD_H__
#define __HEAD_H__
typedef struct {unsigned int MODER; unsigned int OTYPER; unsigned int OSPEEDR; unsigned int PUPDR; unsigned int …