#include?
#include?

#include?
#include?
#include?

#include?
#include?

MODULE_LICENSE（“GPL?v2“）;????//模塊許可證

#define?DOOR_MAJOR?100
#define?DOOR_MINOR?0
#define?DOOR_COUNT?1

#define?DOOR_ON??0x10000
#define?DOOR_OFF?0x10001

dev_t?dev;
u32?door_minor?=?0?;
//實例化cdev
struct?cdev?door_cdev;

struct?class?*dev_class?=?NULL;
struct?device?*dev_device?=?NULL;

unsigned?long?gpio_talbe[2]=
{
	S5PV210_GPH2（0）
	S5PV210_GPH3（3）
};

int?door_open（struct?inode?*inode?struct?file?*filp）
{
	printk（“enter?door_open!\n“）;
	return?0;
}

ssize_t?door_read（struct?file?*filp?char?__user?*buf?size_t?count?loff_t?*offset）
{
	printk（“enter?door_read!\n“）;
	return?0;
}

ssize_t?door_write（struct?file?*filp?const?char?__user?*buf?size_t?count?loff_t?*offset）
{
	printk（“enter?door_write!\n“）;
	return?0;
}

int?door_ioctl（struct?inode?*inode?struct?file?*filp?unsigned?int?cmd?unsigned?long?data）
{
//	printk（“enter?door_ioctl!\n“）;
	switch?（cmd）
		{
			case?DOOR_OFF:
				//將GPIO設置為輸出功能，默認高，滅
				gpio_direction_output（gpio_talbe[data]1）;
				//禁止上下拉
				s3c_gpio_setpull（gpio_talbe[data]S3C_GPIO_PULL_NONE）;
				//設置輸出值，輸出低電平，亮
				gpio_set_value（gpio_talbe[data]0）;
				printk（“enter?door?off!\n“）;
				break;
			case?DOOR_ON:
				//將GPIO設置為輸出功能，默認高，滅
				gpio_direction_output（gpio_talbe[data]1）;
				//禁止上下拉
				s3c_gpio_setpull（gpio_talbe[data]S3C_GPIO_PULL_NONE）;
				//設置輸出值，輸出高電平，滅
				__gpio_set_value（gpio_talbe[data]1）;
				printk（“enter?door?on!\n“）;
				break;
			default:
				return?-EINVAL;
				
		}
	return?0;
}

int?door_release（struct?inode?*inode?struct?file?*filp）
{
	printk（“enter?door_release!\n“）;
	return?0;
}


struct?file_operations?door_fops?=
{
	.owner?=?THIS_MODULE
	.open?=?door_open
	.read?=?door_read
	.write?=?door_write
	.ioctl?=?door_ioctl
	.release?=?door_release
};

int?__init?door_init（void）
{
	int?ret?=?0;
	/*分配設備號*/
	if（door_minor）???//靜態申請
	{
		dev?=?MKDEV（DOOR_MAJORDOOR_MINOR）;
		//向內核申請
		ret?=?register_chrdev_region（dev?DOOR_COUNT?“door_demo“）;
	}
	else???//動態分配
	{
		ret?=?alloc_chrdev_region（&dev?door_minor?DOOR_COUNT?“door_demo“）;
	}
	if（ret<0）
	{
		printk（“register_chrdev_failed\n“）;
		goto?faile_register_chrdev;
	}

	/*?設備注冊?*/
	cdev_init（&door_cdev?&door_fops）;			//初始化cdev
	ret?=?cdev_add（&door_cdev?dev?DOOR_COUNT）;	//向內核注冊cdev
	if（ret<0）
	{
		printk（“cdev_add?failed!\n“）;
		goto?failure_cdev_add;
	}

	/*?動態創建設備文件?*/
	//?創建設備類?
	//會在/sys/class目錄下創建“door_class“為名的文件夾
	dev_class?=?class_create（THIS_MODULE“door_class“）;
	if（IS_ERR（dev_class））
	{
		ret?=?PTR_ERR（dev_class）;
		goto?failure_class_create;
	}
	//?創建設備文件?
	//支在/dev目錄下創建對應的設備文件???#ls?/dev/door??可查看
	dev_device?=?device_create（dev_class?NULL?dev?NULL?“door“）;
	if（IS_ERR（dev_device））
	{
		ret?=?PTR_ERR（dev_

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-10-27?13:17??畢業設計\
?????文件?????????629??2019-10-27?13:22??畢業設計\README.txt
?????目錄???????????0??2019-10-27?12:53??畢業設計\source\
?????目錄???????????0??2019-10-27?11:07??畢業設計\source\dev_driver\
?????文件?????????346??2018-05-21?10:26??畢業設計\source\dev_driver\.door_drv.ko.cmd
?????文件???????17760??2018-05-21?10:07??畢業設計\source\dev_driver\.door_drv.mod.o.cmd
?????文件???????20252??2018-05-21?10:26??畢業設計\source\dev_driver\.door_drv.o.cmd
?????目錄???????????0??2019-10-27?11:07??畢業設計\source\dev_driver\.tmp_versions\
?????文件??????????93??2018-05-21?10:26??畢業設計\source\dev_driver\.tmp_versions\door_drv.mod
?????文件????????6583??2018-05-21?09:50??畢業設計\source\dev_driver\a.out
?????文件????????3875??2018-05-21?10:26??畢業設計\source\dev_driver\door_drv.c
?????文件???????72601??2018-05-21?10:26??畢業設計\source\dev_driver\door_drv.ko
?????文件?????????444??2018-05-21?10:07??畢業設計\source\dev_driver\door_drv.mod.c
?????文件???????15580??2018-05-21?10:07??畢業設計\source\dev_driver\door_drv.mod.o
?????文件???????58272??2018-05-21?10:26??畢業設計\source\dev_driver\door_drv.o
?????文件?????????732??2018-05-20?22:40??畢業設計\source\dev_driver\door_test.c
?????文件?????????189??2018-05-21?09:45??畢業設計\source\dev_driver\Makefile
?????文件???????????0??2018-05-21?10:07??畢業設計\source\dev_driver\Module.symvers
?????文件??????????54??2018-05-21?10:26??畢業設計\source\dev_driver\modules.order
?????目錄???????????0??2019-10-27?11:15??畢業設計\source\socket_cam\
?????目錄???????????0??2019-10-27?11:08??畢業設計\source\socket_cam\client\
?????文件???????68343??2018-05-25?22:17??畢業設計\source\socket_cam\client\client
?????文件?????????613??2018-05-13?20:25??畢業設計\source\socket_cam\client\client.pro
?????文件???????10939??2018-05-25?22:16??畢業設計\source\socket_cam\client\clisocket.c
?????文件????????2600??2018-05-24?17:11??畢業設計\source\socket_cam\client\clisocket.h
?????文件????????7172??2018-05-25?22:17??畢業設計\source\socket_cam\client\clisocket.o
?????文件????????2921??2018-05-21?20:15??畢業設計\source\socket_cam\client\main.cpp
?????文件?????????499??2018-05-21?10:41??畢業設計\source\socket_cam\client\main.h
?????文件????????5160??2018-05-25?16:57??畢業設計\source\socket_cam\client\main.o
?????文件????????5029??2018-05-25?17:10??畢業設計\source\socket_cam\client\mainwindow.cpp
?????文件????????1212??2018-05-25?16:56??畢業設計\source\socket_cam\client\mainwindow.h
............此處省略45個文件信息