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#include <fcntl.h>
#include <string.h>
#include <linux/input.h>
#include <linux/uinput.h>
#include <unistd.h>
#include <stdio.h>
#include <linux/fb.h>
#include "androidlib.h"
static int uinput_fd = -1;
struct uinput_user_dev uinp;
struct input_event event;
int init_uinput_dev() {
// Temporary variable
int i = 0;
int w = 720;
int h = 1280;
struct fb_var_screeninfo fb_var;
int fd = open(DEV_GRAPHICS, O_RDONLY);
if (fd < 0) {
LOGE("open %s failed", DEV_GRAPHICS);
} else {
fd = ioctl(fd, FBIOGET_VSCREENINFO, &fb_var);
if (fd < 0) {
LOGE("ioctl failed");
return 2;
} else {
w = fb_var.xres;
h = fb_var.yres;
}
close(fd);
}
// Open the input device
uinput_fd = open(DEV_UINPUT, O_WRONLY | O_NDELAY);
if (uinput_fd < 0) {
LOGE("Unable to open /dev/uinput");
return -1;
}
memset(&uinp, 0, sizeof(uinp)); // Intialize the uInput device to NULL
strncpy(uinp.name, "AutomaticKey Dev", UINPUT_MAX_NAME_SIZE);
uinp.id.version = 1;
uinp.id.bustype = BUS_VIRTUAL;
uinp.absmin[ABS_X] = 0;
uinp.absmax[ABS_X] = w;
uinp.absmin[ABS_Y] = 0;
uinp.absmax[ABS_Y] = h;
uinp.absmin[ABS_MT_POSITION_X] = 0;
uinp.absmax[ABS_MT_POSITION_X] = fb_var.xres;
uinp.absmin[ABS_MT_POSITION_Y] = 0;
uinp.absmax[ABS_MT_POSITION_Y] = fb_var.yres;
uinp.absmax[ABS_MT_SLOT] = 9;
// Setup the uinput device
int ret = ioctl(uinput_fd, UI_SET_EVBIT, EV_ABS);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_EVBIT, EV_KEY);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_ABSBIT, ABS_X);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_ABSBIT, ABS_Y);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_ABSBIT, ABS_MT_POSITION_X);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_ABSBIT, ABS_MT_POSITION_Y);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_ABSBIT, ABS_MT_TRACKING_ID);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_PROPBIT, INPUT_PROP_DIRECT);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_ABSBIT, ABS_MT_SLOT);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_KEYBIT, BTN_TOUCH);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_KEYBIT, BTN_TOOL_MOUSE);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_KEYBIT, BTN_TOOL_PEN);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_KEYBIT, KEY_BACK);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_KEYBIT, KEY_VOLUMEDOWN);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_KEYBIT, KEY_VOLUMEUP);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_KEYBIT, KEY_HOME);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_KEYBIT, KEY_HOMEPAGE);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
ret = ioctl(uinput_fd, UI_SET_KEYBIT, KEY_MENU);
if (ret) {
ALOGE("ioctl fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
/* Create input device into input sub-system */
write(uinput_fd, &uinp, sizeof(uinp));
if (ioctl(uinput_fd, UI_DEV_CREATE)) {
printf("Unable to create UINPUT device.");
return -1;
}
LOGE("%s fd: %d", __FUNCTION__, uinput_fd);
return 1;
}
int write_event(__u16 type, __u16 code, __s32 value) {
memset(&event, 0, sizeof(event));
gettimeofday(&event.time, NULL);
event.type = type;
event.code = code;
event.value = value;
int ret = write(uinput_fd, &event, sizeof(event));
return ret;
}
int write_key_event(int keycode) {
return write_event(EV_KEY, keycode, 1) &&
write_event(EV_SYN, SYN_REPORT, 0) &&
write_event(EV_KEY, keycode, 0) &&
write_event(EV_SYN, SYN_REPORT, 0);
}
int write_volume_up() {
return write_key_event(KEY_VOLUMEUP);
}
int write_volume_down() {
return write_key_event(KEY_VOLUMEDOWN);
}
int write_home_event() {
return write_key_event(KEY_HOME);
}
int write_home_page_event() {
return write_key_event(KEY_HOMEPAGE);
}
int write_menu_event() {
return write_key_event(KEY_MENU);
}
int write_back_event() {
return write_key_event(KEY_BACK);
}
int i = 0;
int write_click_event(int x, int y) {
touchDown(x, y);
touchUp(x, y);
return 0;
}
int touchDown(int x, int y){
struct input_event event;
int ret;
LOGE("fd: %d", uinput_fd);
// Move pointer to (0,0) location
memset(&event, 0, sizeof(event));
gettimeofday(&event.time, NULL);
event.type = EV_ABS;
event.code = ABS_MT_TRACKING_ID;
event.value = i;
ret = write(uinput_fd, &event, sizeof(event));
if (ret == -1) {
ALOGE("write fail:%s(%d) error: %d", __FUNCTION__, __LINE__, ret);
return -1;
}
event.type = EV_ABS;
event.code = ABS_MT_POSITION_X;
event.value = x;
ret = write(uinput_fd, &event, sizeof(event));
if (ret == -1) {
ALOGE("write fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
event.type = EV_ABS;
event.code = ABS_MT_POSITION_Y;
event.value = y;
ret = write(uinput_fd, &event, sizeof(event));
if (ret == -1) {
ALOGE("write fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
event.type = EV_KEY;
event.code = BTN_TOUCH;
event.value = 1;
ret = write(uinput_fd, &event, sizeof(event));
if (ret == -1) {
ALOGE("write fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
event.type = EV_SYN;
event.code = SYN_REPORT;
event.value = 0;
ret = write(uinput_fd, &event, sizeof(event));
if (ret == -1) {
ALOGE("write fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
}
int touchScroll(int x, int y){
struct input_event event;
int ret;
event.type = EV_ABS;
event.code = ABS_MT_POSITION_X;
event.value = x;
ret = write(uinput_fd, &event, sizeof(event));
if (ret == -1) {
ALOGE("write fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
event.type = EV_ABS;
event.code = ABS_MT_POSITION_Y;
event.value = y;
ret = write(uinput_fd, &event, sizeof(event));
if (ret == -1) {
ALOGE("write fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
event.type = EV_SYN;
event.code = SYN_REPORT;
event.value = 0;
ret = write(uinput_fd, &event, sizeof(event));
if (ret == -1) {
ALOGE("write fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
}
int touchUp(int x, int y){
struct input_event event;
int ret;
event.type = EV_ABS;
event.code = ABS_MT_TRACKING_ID;
event.value = -1;
ret = write(uinput_fd, &event, sizeof(event));
if (ret == -1) {
ALOGE("write fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
event.type = EV_KEY;
event.code = BTN_TOUCH;
event.value = 0;
ret = write(uinput_fd, &event, sizeof(event));
if (ret == -1) {
ALOGE("write fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
event.type = EV_SYN;
event.code = SYN_REPORT;
event.value = 0;
ret = write(uinput_fd, &event, sizeof(event));
if (ret == -1) {
ALOGE("write fail:%s(%d)", __FUNCTION__, __LINE__);
return -1;
}
}
int destroy() {
if (uinput_fd < 0)
return -1;
if (ioctl(uinput_fd, UI_DEV_DESTROY) < 0)
LOGE(0, "error: ioctl");
close(uinput_fd);
return 0;
}