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linux 虚拟输入设备(uinput)模拟鼠标:鼠标使用方法时间:2019-09-02   编辑:admin

   event.code = REL_Y;

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write(uinp_fd, &event, sizeof(event));

gettimeofday(&event.time, NULL);

event.value = 0;

memset(&event, 0, sizeof(event));

if (ioctl(uinp_fd, UI_DEV_CREATE))

write(uinp_fd, &event, sizeof(你看鼠标event));

event.value = 0;

ioctl(uinp_fd, UI_SET_EVBIT, EV_REL);

event.type = EV_KEY;

#include

int setup_uinput_device()

printf("Unable to open /dev/uinput/n");

event.t鼠标使用方法ype = EV_SYN;

memset(&event, 0, sizeof(event));

// uinput.c

uinp.id.version = 4;

event.type = EV_SYN;

event.value = 1;

A keyboard can be generated using following piece of code:

event.code = REL_X;

ioctl(uinp_fd, UI_SET_KEYBIT, BTN_FORWARD);

event.code = KEY_ENTER;

After opening device you have to configure the uinput deviceparameters (mouse, keyboard,

event.code = SYN_REPORT;

The above example will send ENTER key to kernel. This key eventin-turn will be sent to user

event.value = 0;

printf("Unable to find uinput device/n");

// Temporary variable

write (uinp_fd, &event, sizeof(event));

// Return an error if device not found.

2.6.x to send user input

ioctl(uinp_fd, UI_SET_KEYBIT, BTN_MOUSE);

return -1;

event.value = 0;

uinp.id.bustype = BUS_USB;

etc) using the ioctl() function such as:

memset(&event, 0, sizeof(event));

// Open the input device

The 键盘“lsmod” command lists all the drivers loaded in the Linuxsystem. You should see “uinput”

#include

space application. All the key definitions are defined in“/usr/include/linux/input.h” file.

All the events coming from the user program will be carried to thekernel sp使用方法ace through the

Uinput is configured as a loadable module in most of the Linuxkernels. You can load uinput

gettimeofday(&event.time, NULL);

ioctl(uinp_fd, UI_SET_KEYBIT, BTN_MOUSE);

involve graphical user inputs.

write(uinp_fd, &event, sizeof(event));

structure "struct in相比看选鼠标怎么量手大小put_event" defined in kernels"/usr/include/linux/input.h".

event.value = 0;

printf("Unable to open /dev/uinput/n");

event.type = EV_REL;

memset(&event, 0, sizeof(event));

This is very useful while writing applications to interfacecustomiz你看鼠标使用方法ed input devices like wireless

send_a_button(); // Send a "A" key

// Report BUTTON CLICK - RELEASE event

joystick, keyboard etc.

event.type = EV_SYN;

Dashboard January 2007 Issue

write(uinp_fd, &event, sizeof(event));

#include

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ioctl(uinp_fd, UI_SET_KEYBIT, BTN_BACK);

event.value = 100;

ioctl (out_fd, UI_SET_EVBIT, EV_REP);

OR active shell. This feature can be used to perform automated金鼠标数字营销大赛shell scripts which

printf("Unable to create UINPUT device.");

公认手感最好的鼠标memset(&event, 0, sizeof(event));

// Open the input device

if (uinp_fd == NULL)

write(uinp_fd, &event, sizeof(event));

Sending events to kernel:

write(uinp_fd, &event, sizeof(event));

gettimeofday(&event.time, NULL);

ioctl (out_fd, UI_S设备ET_EVBIT, EV_KEY);

void send_a_button()

event.type = EV_KEY;

ioctl(uinp_fd, UI_SET_KEYBIT, BTN_TOUCH);

#include

void send_click_events( )

event.type = EV_KEY;

event.code = KEY_A;

ioctl(uinp_fd, UI_SET_EVBIT, EV_KEY);

// Setup the uinput device

Dashboard January 2007 Issue

Using uinput driver in Linux-2.6.x to send user

write(uinp_fd, &uinp, sizeof(uinp));

uinp_fd = open("/dev/uinput", O_WRONLY | O_NDELAY);

event.code = BTN_LEFT;

driver in the list.

ioctl(uinp_fd, UI_SET_RELBIT, REL_Y);

if (uinp_fd == NULL)

driver by giving the following commands.

$ lsmod

event.code = KEY_A;

return -1;

The EV_KEY and EV_REP inform the uinput driver as the event is akeyboard event and the

struct uinput_user_dev uinp; // uInput device structure

event.value = 1;

write(uinp_fd, &event, sizeof(event));

event.code = SYN_REPORT;

write(uinp_fd, &event, sizeof(event));

#include

memset(&uinp,0,sizeof(uinp)); // Intialize the uInput device toNULL

The Linux 2.6.x provides a 学会金鼠标数字营销大赛“uinput” driver, which helps users toinject data to the Linux kernel.

Mehul Patel

key value contains the key repetition property.

event.value = 1;

int main()

close(uinp_fd);

The driver uses /dev/uinput device to send data to kernel spacewhich in turn send data to Xwindows

ioctl(uinp_fd, UI_SET_KEYBIT, BTN_LEfps鼠标推荐2019FT);

write(uinp_fd, &event, sizeof(event));

gettimeofday(&event.time, NULL);

return 1;

Opening an input device:

static int uinp_fd = -1;

event.type = EV_SYN;

uinp_fd = 看着虚拟输入设备(uinput)模拟鼠标open("/dev/uinput", O_WRONLY | O_NDELAY);

event.code = SYN_REPORT;

ioctl(uinp_fd, UI_SET_RELBIT, REL_X);

// Report BUTTON CLICK - PRESS event

ioctl(uinp_fd, UI_SET_KEYBIT, BTN_RIGHT);

event.value = 0;

You can use the following sample code to test Linux uinputinterface.

return你知道百元鼠标推荐2019 -1;

send_click_events(); // Send mouse event

write(uinp_fd, &event, sizeof(event));

event.value = 100;

int i=0;

gettimeofday(&event.ti和键盘的使用me, NULL);

event.code = SYN_REPORT;

event.code = BTN_LEFT;

return -1;

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ioctl(uinp_fd, UI_SET_KEYBIT, BTN_MIDDLE);

sequence to kernel which is in turn sent to X-Windows orshell.

event.code = SYN_REPORT;

The next step is to develop a sample application. This applicationwill send the user key

strncpy(uinp.name, "PolyVision Touch Screen",UINPUT_MAX_NAME_SIZE);

<看着百元鼠标推荐2019p> event.type = EV_KEY;

for (i=0; i < 256; i++) {

struct input_event event; // Input device structure

input

// Move pointer to (0,0) location

// Report BUTTON CLICK - RELEASE event

ioctl(uinp_fd, UI_DEV_DESTROY);

event.value = 0;

Using uinput driver in Linux-

鼠标 ioctl(uinp_fd, UI_SET_KEYBIT, i);

$ modprobe uinput

write(uinp_fd, &event, sizeof(event));

event.type = EV_SYN;

event.type = EV_REL;

Dashboard January 2007 Issue

// Report BUTTON CLICK - PRESS event

if (setup_uinput_device() < 0)

Introduction:

event.type = EV_KEY;

<看着鼠标使用方法p>


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