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day4 驱动开发 c语言学习

news 2025/8/3 23:35:04

不利用系统提供的register_chrdev，自己实现字符设备的注册

底层代码

led.c

#include <linux/init.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/uaccess.h>
#include <linux/io.h>
#include "head.h"struct cdev *mycdev;
struct class *my_cls;
struct device *my_dev;
dev_t devno;
unsigned int major = 0; //定义一个变量保存主设备号
char kbuf[128] = { 0 }; //定义一个内核中的buffer
unsigned int *vir_gpioe_moder = NULL;
unsigned int *vir_gpioe_odr = NULL;
unsigned int *vir_gpiof_moder = NULL;
unsigned int *vir_gpiof_odr = NULL;
unsigned int *vir_rcc = NULL;
//封装注册设备方法
int mycdev_regist(void)
{int res = 0;int i = 0;//为驱动对象申请空间 cdev_alloc()mycdev = cdev_alloc();if (mycdev == NULL) {return -EFAULT;}//对象的初始化 cdev_init()cdev_init(mycdev, &fops);//申请设备号 register_chrdev_region()/alloc_chrdev_region()res = alloc_chrdev_region(&devno, 0, 3, "my_cdev");if (res != 0) {goto out;}//注册驱动对象 cdev_add()res = cdev_add(mycdev, devno, 3);if (res != 0) {goto out2;}major = MAJOR(devno);//向上提交目录 class_create()my_cls = class_create(THIS_MODULE, "my_cdev");if (my_cls == NULL) {goto out3;}//向上提交设备节点信息 device_create()for(i = 0; i < 3; i++){my_dev = device_create(my_cls, NULL, MKDEV(major, i), NULL, "LED%d", i);if (IS_ERR(my_dev)) {goto out4;}}return 0;out4:for(i--; i >= 0; i-- ){device_destroy(my_dev,MKDEV(major,i));}class_destroy(my_cls);
out3:cdev_del(mycdev);
out2:unregister_chrdev_region(devno, 3);
out:kfree(mycdev);return -PTR_ERR(res);
}
//封装操作方法
int mycdev_open(struct inode *inode, struct file *file)
{devno = inode->i_rdev;file->private_data = (void *)MINOR(devno);printk("%s:%s:%d\n", __FILE__, __func__, __LINE__);return 0;
}long mycdev_ioctl(struct file *file, unsigned int request, unsigned long args)
{unsigned int minor = (unsigned int)file->private_data;if (minor = 0) {//开led1if (request == LED1_ON) {*vir_gpioe_odr |= 0x1 << 10;}//关led1else if (request == LED1_OFF) {*vir_gpioe_odr &= ~(0x1 << 10);}} else if (minor == 1) {//开led2if (request == LED2_ON) {*vir_gpiof_odr |= 0x1 << 10;}//关led2else if (request == LED2_OFF) {*vir_gpiof_odr &= ~(0x1 << 10);}} else if (minor == 2) {//开led3if (request == LED3_ON){*vir_gpioe_odr |= 0x1 << 8;}//关led3else if (request == LED3_OFF){*vir_gpioe_odr &= ~(0x1 << 8);}}return 0;
}int mycdev_close(struct inode *inode, struct file *file)
{printk("%s:%s:%d\n", __FILE__, __func__, __LINE__);return 0;
}struct file_operations fops = {.open = mycdev_open,.unlocked_ioctl = mycdev_ioctl,.release = mycdev_close,
};static int __init mycdev_init(void)
{   mycdev_regist();//定义一个long类型(匹配ioremap函数第一个参数)，用来保存每个寄存器的地址信息volatile unsigned long tmp = 0;//初始化几个寄存器,将物理地址映射到虚拟地址，以方便用户空间进行读写操作//将地址信息强转为long类型方便tmp保存tmp = (long)&GPIOE->MODER;//将寄存器的物理地址映射到虚拟地址并保存vir_gpioe_moder = ioremap(tmp, 4);if (vir_gpioe_moder == NULL) {printk("映射物理内存失败");return -EFAULT;}//将地址信息强转为long类型方便tmp保存tmp = (long)&GPIOF->MODER;//将寄存器的物理地址映射到虚拟地址并保存vir_gpiof_moder = ioremap(tmp, 4);if (vir_gpioe_moder == NULL) {printk("映射物理内存失败");return -EFAULT;}//将地址信息强转为long类型方便tmp保存tmp = (long)&GPIOE->ODR;//将寄存器的物理地址映射到虚拟地址并保存vir_gpioe_odr = ioremap(tmp, 4);if (vir_gpioe_odr == NULL) {printk("映射物理内存失败");return -EFAULT;}//将地址信息强转为long类型方便tmp保存tmp = (long)&GPIOF->ODR;//将寄存器的物理地址映射到虚拟地址并保存vir_gpiof_odr = ioremap(tmp, 4);if (vir_gpiof_odr == NULL) {printk("映射物理内存失败");return -EFAULT;}//将地址信息强转为long类型方便tmp保存tmp = (long)&RCC->MP_AHB4ENSETR;//将寄存器的物理地址映射到虚拟地址并保存vir_rcc = ioremap(tmp, 4);if (vir_rcc == NULL) {printk("映射物理内存失败");return -EFAULT;}//初始化几个寄存器的值//设置RCC_MP_AHB4ENSETR寄存器第4第5两个引脚为1，使能GPIOE,GPIOF*vir_rcc |= (0b11 << 4);//设置GPIOE_MODER第20-21位为01*vir_gpioe_moder &= ~(0b11 << 20);*vir_gpioe_moder |= (0b01 << 20);//设置GPIOF_MODER第20-21位为01*vir_gpiof_moder &= ~(0b11 << 20);*vir_gpiof_moder |= (0b01 << 20);//设置GPIOE_MODER第16-17位为01*vir_gpioe_moder &= ~(0b11 << 16);*vir_gpioe_moder |= (0b01 << 16);//设置GPIOE_ODR第10位为0*vir_gpioe_odr &= ~(0b1 << 10);//设置GPIOF_ODR第10位为0*vir_gpiof_odr &= ~(0b1 << 10);//设置GPIOE_ODR第8位为0*vir_gpiof_odr &= ~(0b1 << 8);return 0;
}static void __exit mycdev_exit(void)
{//取消物理内存映射iounmap(vir_gpioe_moder);iounmap(vir_gpiof_moder);iounmap(vir_gpioe_odr);iounmap(vir_gpiof_odr);iounmap(vir_rcc);printk("设备卸载\n");unregister_chrdev(MAJOR(devno), "mychrdev");
}module_init(mycdev_init);
module_exit(mycdev_exit);
MODULE_LICENSE("GPL");

应用层代码

app.c

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <string.h>
#include <sys/ioctl.h>
#include "head.h"int main()
{int dev = 0;char buf[128] = {0};fprintf(stdout,"调用open\n");int fd_led0 = open("/dev/LED0",O_RDWR);if( fd_led0 < 0){perror("");exit(-1);}int fd_led1 = open("/dev/LED1",O_RDWR);if( fd_led1 < 0){perror("");exit(-1);}int fd_led2 = open("/dev/LED2",O_RDWR);if( fd_led2 < 0){perror("");exit(-1);}while(1){fprintf(stdout,"请输入开关选项：\n");fprintf(stdout,"11开1号灯,10关1号灯以此类推\n");fprintf(stdout,"输入q来结束\n");fgets(buf,sizeof(buf),stdin);buf[strlen(buf) - 1] = '\0';//如果输入的是q或Q，结束循环if(buf[0] == 'q' || buf[0] == 'Q'){break;}else if(buf[0] == '0'){if(buf[1] == '1' && buf[2] == '0'){ioctl(fd_led0, LED1_OFF, dev);}else if(buf[1] == '1' && buf[2] == '1'){ioctl(fd_led0, LED1_ON, dev);}else if(buf[1] == '2' && buf[2] == '0'){ioctl(fd_led1, LED2_OFF, dev);}else if(buf[1] == '2' && buf[2] == '1'){ioctl(fd_led1, LED2_ON, dev);}else if(buf[1] == '3' && buf[2] == '0'){ioctl(fd_led2, LED3_OFF, dev);}else if(buf[1] == '3' && buf[2] == '1'){ioctl(fd_led2, LED3_ON, dev);}}}close(fd_led0);close(fd_led1);close(fd_led2);return 0;
}

头文件

head.h

#ifndef __LED_H__
#define __LED_H__typedef struct {volatile unsigned int TZCR;     	// 0x000volatile unsigned int res1[2]; 		// 0x004-0x008volatile unsigned int OCENSETR;     // 0x00Cvolatile unsigned int OCENCLRR;  	// 0x010volatile unsigned int res2[1]; 		// 0x014volatile unsigned int HSICFGR; 		// 0x018volatile unsigned int CSICFGR; 		// 0x01Cvolatile unsigned int MPCKSELR; 	// 0x020volatile unsigned int ASSCKSELR; 	// 0x024volatile unsigned int PCK12SELR; 	// 0x028volatile unsigned int MPCKDIVR; 	// 0x02Cvolatile unsigned int AXIDIVR; 		// 0x030volatile unsigned int res3[2];      volatile unsigned int APB4DIVR; 	// 0x03Cvolatile unsigned int APB5DIVR; 	// 0x040volatile unsigned int RTCDIVR; 		// 0x044volatile unsigned int MSSCKSELR;    // 0x048volatile unsigned int res4[13];volatile unsigned int PLL1CR; 		// 0x080volatile unsigned int PLL1CFGR1; 	// 0x084volatile unsigned int PLL1CFGR2; 	// 0x088volatile unsigned int PLL1FRACR; 	// 0x08Cvolatile unsigned int PLL1CSGR;     // 0x090volatile unsigned int PLL2CR; 		// 0x094volatile unsigned int PLL2CFGR1; 	// 0x098volatile unsigned int PLL2CFGR2; 	// 0x09Cvolatile unsigned int PLL2FRACR;    // 0x0A0volatile unsigned int PLL2CSGR;     // 0x0A4volatile unsigned int res5[6];volatile unsigned int I2C46CKSELR;  // 0x0C0volatile unsigned int SPI6CKSELR;   // 0x0C4volatile unsigned int UART1CKSELR;  // 0x0C8volatile unsigned int RNG1CKSELR;   // 0x0CCvolatile unsigned int CPERCKSELR;   // 0x0D0volatile unsigned int STGENCKSELR;  // 0x0D4volatile unsigned int DDRITFCR; 	// 0x0D8volatile unsigned int res6[9];volatile unsigned int MP_BOOTCR;  	// 0x100volatile unsigned int MP_SREQSETR;  // 0x104volatile unsigned int MP_SREQCLRR;  // 0x108volatile unsigned int MP_GCR;  		// 0x10Cvolatile unsigned int MP_APRSTCR; 	// 0x110 volatile unsigned int MP_APRSTSR;   // 0x114volatile unsigned int res7[10];volatile unsigned int BDCR; 		// 0x140volatile unsigned int RDLSICR;  	// 0x144volatile unsigned int res8[14];volatile unsigned int APB4RSTSETR; 	// 0x180volatile unsigned int APB4RSTCLRR; 	// 0x184volatile unsigned int APB5RSTSETR;  // 0x188volatile unsigned int APB5RSTCLRR;  // 0x18Cvolatile unsigned int AHB5RSTSETR;  // 0x190volatile unsigned int AHB5RSTCLRR;  // 0x194volatile unsigned int AHB6RSTSETR;  // 0x198volatile unsigned int AHB6RSTCLRR;  // 0x19Cvolatile unsigned int TZAHB6RSTSELR;// 0x1A0volatile unsigned int TZAHB6RSTCLRR;// 0x1A4volatile unsigned int res9[22];volatile unsigned int MP_APB4ENSETR;// 0x200volatile unsigned int MP_APB4ENCLRR;// 0x204volatile unsigned int MP_APB5ENSETR;// 0x208volatile unsigned int MP_APB5ENCLRR;// 0x20Cvolatile unsigned int MP_AHB5ENSETR;// 0x210volatile unsigned int MP_AHB5ENCLRR;// 0x214volatile unsigned int MP_AHB6ENSETR;// 0x218volatile unsigned int MP_AHB6ENCLRR;// 0x21Cvolatile unsigned int MP_TZAHB6ENSELR;// 0x220volatile unsigned int MP_TZAHB6ENCLRR;// 0x224volatile unsigned int res10[22];volatile unsigned int MC_APB4ENSETR; // 0x280volatile unsigned int MC_APB4ENCLRR; // 0x284volatile unsigned int MC_APB5ENSETR; // 0x288volatile unsigned int MC_APB5ENCLRR; // 0x28Cvolatile unsigned int MC_AHB5ENSETR; // 0x290volatile unsigned int MC_AHB5ENCLRR; // 0x294volatile unsigned int MC_AHB6ENSETR; // 0x298volatile unsigned int MC_AHB6ENCLRR; // 0x29Cvolatile unsigned int res11[24];volatile unsigned int MP_APB4LPENSETR; // 0x300volatile unsigned int MP_APB4LPENCLRR; // 0x304volatile unsigned int MP_APB5LPENSETR; // 0x308volatile unsigned int MP_APB5LPENCLRR; // 0x30Cvolatile unsigned int MP_AHB5LPENSETR; // 0x310volatile unsigned int MP_AHB5LPENCLRR; // 0x314volatile unsigned int MP_AHB6LPENSETR; // 0x318volatile unsigned int MP_AHB6LPENCLRR; // 0x31Cvolatile unsigned int MP_TZAHB6LPENSETR; // 0x320volatile unsigned int MP_TZAHB6LPENCLRR; // 0x324volatile unsigned int res12[22];volatile unsigned int MC_APB4LPENSETR; // 0x380volatile unsigned int MC_APB4LPENCLRR; // 0x384volatile unsigned int MC_APB5LPENSETR; // 0x388volatile unsigned int MC_APB5LPENCLRR; // 0x38Cvolatile unsigned int MC_AHB5LPENSETR; // 0x390volatile unsigned int MC_AHB5LPENCLRR; // 0x394volatile unsigned int MC_AHB6LPENSETR; // 0x398volatile unsigned int MC_AHB6LPENCLRR; // 0x39Cvolatile unsigned int res13[24];volatile unsigned int BR_RSTSCLRR; 		// 0x400volatile unsigned int MP_GRSTCSETR; 	// 0x404volatile unsigned int MP_RSTSR; 		// 0x408 volatile unsigned int MP_IWDGFZSETR; 	// 0x40Cvolatile unsigned int MP_IWDGFZCLRR;  	// 0x410volatile unsigned int MP_CIER; 			// 0x414volatile unsigned int MP_CIFR; 			// 0x418volatile unsigned int PWRLPDLYCR; 		// 0x41Cvolatile unsigned int MP_RSTSS; 		// 0x420volatile unsigned int res14[247];volatile unsigned int MCO1CFGR; 		// 0x800volatile unsigned int MCO2CFGR; 		// 0x804 volatile unsigned int OCRDYR; 			// 0x808volatile unsigned int DBGCFGR; 			// 0x80Cvolatile unsigned int res15[4];volatile unsigned int RCK3SELR; 		// 0x820volatile unsigned int RCK4SELR; 		// 0x824volatile unsigned int TIMG1PRER;  		// 0x828volatile unsigned int TIMG2PRER; 		// 0x82Cvolatile unsigned int MCUDIVR; 			// 0x830volatile unsigned int APB1DIVR; 		// 0x834volatile unsigned int APB2DIVR; 		// 0x838volatile unsigned int APB3DIVR; 		// 0x83Cvolatile unsigned int res16[16];volatile unsigned int PLL3CR;   		// 0x880volatile unsigned int PLL3CFGR1; 		// 0x884volatile unsigned int PLL3CFGR2; 		// 0x888volatile unsigned int PLL3FRACR; 		// 0x88Cvolatile unsigned int PLL3CSGR; 		// 0x890volatile unsigned int PLL4CR; 			// 0x894volatile unsigned int PLL4CFGR1; 		// 0x898volatile unsigned int PLL4CFGR2; 		// 0x89Cvolatile unsigned int PLL4FRACR; 		// 0x8A0volatile unsigned int PLL4CSGR; 		// 0x8A4volatile unsigned int res17[6];volatile unsigned int I2C12CKSELR; 		// 0x8C0volatile unsigned int I2C35CKSELR;  	// 0x8C4volatile unsigned int SAI1CKSELR; 		// 0x8C8volatile unsigned int SAI2CKSELR; 		// 0x8CCvolatile unsigned int SAI3CKSELR; 		// 0x8D0volatile unsigned int SAI4CKSELR; 		// 0x8D4volatile unsigned int SPI2S1CKSELR; 	// 0x8D8volatile unsigned int SPI2S23CKSELR; 	// 0x8DCvolatile unsigned int SPI45CKSELR; 		// 0x8E0volatile unsigned int UART6CKSELR; 		// 0x8E4volatile unsigned int UART24CKSELR; 	// 0x8E8volatile unsigned int UART35CKSELR; 	// 0x8ECvolatile unsigned int UART78CKSELR; 	// 0x8F0volatile unsigned int SDMMC12CKSELR; 	// 0x8F4volatile unsigned int SDMMC3CKSELR; 	// 0x8F8volatile unsigned int ETHCKSELR; 		// 0x8FCvolatile unsigned int QSPICKSELR; 		// 0x900volatile unsigned int FMCCKSELR; 		// 0x904volatile unsigned int res18[1];volatile unsigned int FDCANCKSELR; 		// 0x90Cvolatile unsigned int res19[1];volatile unsigned int SPDIFCKSELR; 		// 0x914volatile unsigned int CECCKSELR; 		// 0x918volatile unsigned int USBCKSELR; 		// 0x91Cvolatile unsigned int RNG2CKSELR;  		// 0x920volatile unsigned int DSICKSELR; 		// 0x924volatile unsigned int ADCCKSELR; 		// 0x928volatile unsigned int LPTIM45CKSELR; 	// 0x92Cvolatile unsigned int LPTIM23CKSELR;    // 0x930volatile unsigned int LPTIM1CKSELR; 	// 0x934volatile unsigned int res20[18];volatile unsigned int APB1RSTSETR; 		// 0x980volatile unsigned int APB1RSTCLRR; 		// 0x984volatile unsigned int APB2RSTSETR; 		// 0x988volatile unsigned int APB2RSTCLRR; 		// 0x98Cvolatile unsigned int APB3RSTSETR; 		// 0x990volatile unsigned int APB3RSTCLRR; 		// 0x994volatile unsigned int AHB2RSTSETR; 		// 0x998volatile unsigned int AHB2RSTCLRR;  	// 0x99Cvolatile unsigned int AHB3RSTSETR; 		// 0x9A0volatile unsigned int AHB3RSTCLRR; 		// 0x9A4volatile unsigned int AHB4RSTSETR; 		// 0x9A8volatile unsigned int AHB4RSTCLRR; 		// 0x9ACvolatile unsigned int res21[20];volatile unsigned int MP_APB1ENSETR; 	// 0xA00volatile unsigned int MP_APB1ENCLRR; 	// 0xA04volatile unsigned int MP_APB2ENSETR; 	// 0xA08volatile unsigned int MP_APB2ENCLRR;  	// 0xA0Cvolatile unsigned int MP_APB3ENSETR; 	// 0xA10volatile unsigned int MP_APB3ENCLRR; 	// 0xA14volatile unsigned int MP_AHB2ENSETR; 	// 0xA18volatile unsigned int MP_AHB2ENCLRR; 	// 0xA1Cvolatile unsigned int MP_AHB3ENSETR; 	// 0xA20volatile unsigned int MP_AHB3ENCLRR; 	// 0xA24volatile unsigned int MP_AHB4ENSETR; 	// 0xA28volatile unsigned int MP_AHB4ENCLRR; 	// 0xA2Cvolatile unsigned int res22[2];volatile unsigned int MP_MLAHBENSETR; 	// 0xA38volatile unsigned int MP_MLAHBENCLRR; 	// 0xA3Cvolatile unsigned int res23[16];volatile unsigned int MC_APB1ENSETR; 	// 0xA80volatile unsigned int MC_APB1ENCLRR; 	// 0xA84volatile unsigned int MC_APB2ENSETR; 	// 0xA88volatile unsigned int MC_APB2ENCLRR; 	// 0xA8Cvolatile unsigned int MC_APB3ENSETR; 	// 0xA90volatile unsigned int MC_APB3ENCLRR; 	// 0xA94volatile unsigned int MC_AHB2ENSETR; 	// 0xA98volatile unsigned int MC_AHB2ENCLRR; 	// 0xA9Cvolatile unsigned int MC_AHB3ENSETR; 	// 0xAA0volatile unsigned int MC_AHB3ENCLRR; 	// 0xAA4volatile unsigned int MC_AHB4ENSETR; 	// 0xAA8volatile unsigned int MC_AHB4ENCLRR; 	// 0xAACvolatile unsigned int MC_AXIMENSETR; 	// 0xAB0volatile unsigned int MC_AXIMENCLRR; 	// 0xAB4volatile unsigned int MC_MLAHBENSETR; 	// 0xAB8volatile unsigned int MC_MLAHBENCLRR; 	// 0xABCvolatile unsigned int res24[16];volatile unsigned int MP_APB1LPENSETR; 	// 0xB00volatile unsigned int MP_APB1LPENCLRR; 	// 0xB04volatile unsigned int MP_APB2LPENSETR;  // 0xB08volatile unsigned int MP_APB2LPENCLRR; 	// 0xB0Cvolatile unsigned int MP_APB3LPENSETR; 	// 0xB10volatile unsigned int MP_APB3LPENCLRR;  // 0xB14volatile unsigned int MP_AHB2LPENSETR;  // 0xB18volatile unsigned int MP_AHB2LPENCLRR;  // 0xB1Cvolatile unsigned int MP_AHB3LPENSETR;  // 0xB20volatile unsigned int MP_AHB3LPENCLRR;  // 0xB24volatile unsigned int MP_AHB4LPENSETR;  // 0xB28volatile unsigned int MP_AHB4LPENCLRR;  // 0xB2Cvolatile unsigned int MP_AXIMLPENSETR;  // 0xB30volatile unsigned int MP_AXIMLPENCLRR;  // 0xB34volatile unsigned int MP_MLAHBLPENSETR; // 0xB38volatile unsigned int MP_MLAHBLPENCLRR; // 0xB3Cvolatile unsigned int res25[16];volatile unsigned int MC_APB1LPENSETR;  // 0xB80volatile unsigned int MC_APB1LPENCLRR; 	// 0xB84volatile unsigned int MC_APB2LPENSETR;  // 0xB88volatile unsigned int MC_APB2LPENCLRR;  // 0xB8Cvolatile unsigned int MC_APB3LPENSETR;  // 0xB90 volatile unsigned int MC_APB3LPENCLRR;  // 0xB94volatile unsigned int MC_AHB2LPENSETR;  // 0xB98volatile unsigned int MC_AHB2LPENCLRR;  // 0xB9Cvolatile unsigned int MC_AHB3LPENSETR;  // 0xBA0 volatile unsigned int MC_AHB3LPENCLRR;  // 0xBA4volatile unsigned int MC_AHB4LPENSETR;  // 0xBA8volatile unsigned int MC_AHB4LPENCLRR;  // 0xBACvolatile unsigned int MC_AXIMLPENSETR;  // 0xBB0volatile unsigned int MC_AXIMLPENCLRR;  // 0xBB4volatile unsigned int MC_MLAHBLPENSETR; // 0xBB8volatile unsigned int MC_MLAHBLPENCLRR; // 0xBBCvolatile unsigned int res26[16];volatile unsigned int MC_RSTSCLRR;  	// 0xC00volatile unsigned int res27[4];volatile unsigned int MC_CIER;  		// 0xC14volatile unsigned int MC_CIFR; 			// 0xC18volatile unsigned int res28[246];volatile unsigned int VERR; 			// 0xFF4volatile unsigned int IDR; 				// 0xFF8volatile unsigned int SIDR; 			// 0xFFC
}rcc_t;#define RCC   ((rcc_t *)0x50000000)typedef struct {volatile unsigned int MODER;   // 0x00volatile unsigned int OTYPER;  // 0x04volatile unsigned int OSPEEDR; // 0x08volatile unsigned int PUPDR;   // 0x0Cvolatile unsigned int IDR;     // 0x10volatile unsigned int ODR;     // 0x14volatile unsigned int BSRR;    // 0x18volatile unsigned int LCKR;    // 0x1C volatile unsigned int AFRL;    // 0x20 volatile unsigned int AFRH;    // 0x24volatile unsigned int BRR;     // 0x28volatile unsigned int res;volatile unsigned int SECCFGR; // 0x30}gpio_t;#define  GPIOA   ((gpio_t *)0x50002000)
#define  GPIOB   ((gpio_t *)0x50003000)
#define  GPIOC   ((gpio_t *)0x50004000)
#define  GPIOD   ((gpio_t *)0x50005000)
#define  GPIOE   ((gpio_t *)0x50006000)
#define  GPIOF   ((gpio_t *)0x50007000)
#define  GPIOG   ((gpio_t *)0x50008000)
#define  GPIOH   ((gpio_t *)0x50009000)
#define  GPIOI   ((gpio_t *)0x5000A000)
#define  GPIOJ   ((gpio_t *)0x5000B000)
#define  GPIOK   ((gpio_t *)0x5000C000)
#define  GPIOZ   ((gpio_t *)0x54004000)#define LED1_ON _IOW('l',11,int)
#define LED1_OFF _IOW('l',10,int)
#define LED2_ON _IOW('l',21,int)
#define LED2_OFF _IOW('l',20,int)
#define LED3_ON _IOW('l',31,int)
#define LED3_OFF _IOW('l',30,int)
#define FAN_ON _IOW('f',1,int)
#define FAN_OFF _IOW('f',0,int)
#define BUZ_ON _IOW('b',1,int)
#define BUZ_OFF _IOW('b',0,int)
#define MOT_ON _IOW('m',1,int)
#define MOT_OFF _IOW('m',0,int)
#endif

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