NeroReflex/ROGueENEMY
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Fake a Microsoft Xbox360 controller

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This commit is contained in:
Denis 2023-11-08 18:37:18 +01:00
parent d5ccced593
commit f7593f7e78
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GPG key ID: DD9B63F805CF5C03
3 changed files with 200 additions and 4 deletions
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4
main.c
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@ -84,7 +84,7 @@ int main(int argc, char ** argv) {
queue_init(&gamepad_ev, 32);
queue_init(&imu_ev, 32);
out_imu_dev.fd = create_output_dev("/dev/uinput", "Virtual IMU - ROGueENEMY", output_dev_imu);
out_imu_dev.fd = create_output_dev("/dev/uinput", "Microsoft X-Box 360 pad - ROGueENEMY", output_dev_imu);
if (out_imu_dev.fd < 0) {
// TODO: free(imu_dev.events_list);
// TODO: free(gamepadd_dev.events_list);
@ -92,7 +92,7 @@ int main(int argc, char ** argv) {
return EXIT_FAILURE;
}
out_gamepadd_dev.fd = create_output_dev("/dev/uinput", "Virtual Controller - ROGueENEMY", output_dev_gamepad);
out_gamepadd_dev.fd = create_output_dev("/dev/uinput", "Microsoft X-Box 360 pad - ROGueENEMY", output_dev_gamepad);
if (out_gamepadd_dev.fd < 0) {
close(out_imu_dev.fd);
// TODO: free(imu_dev.events_list);

196
output_dev.c
View file

@ -1,6 +1,8 @@
#include "output_dev.h"
#include "queue.h"
#include "message.h"
#include <linux/input-event-codes.h>
#include <unistd.h>
int create_output_dev(const char* uinput_path, const char* name, output_dev_type_t type) {
int fd = open(uinput_path, O_WRONLY | O_NONBLOCK);
@ -133,6 +135,183 @@ int create_output_dev(const char* uinput_path, const char* name, output_dev_type
}
case output_dev_gamepad: {
ioctl(fd, UI_SET_PROPBIT, INPUT_PROP_BUTTONPAD);
ioctl(fd, UI_SET_EVBIT, EV_ABS);
ioctl(fd, UI_SET_EVBIT, EV_KEY);
ioctl(fd, UI_SET_EVBIT, EV_MSC);
//ioctl(fd, UI_SET_EVBIT, EV_SYN);
ioctl(fd, UI_SET_MSCBIT, MSC_TIMESTAMP);
ioctl(fd, UI_SET_ABSBIT, ABS_X);
ioctl(fd, UI_SET_ABSBIT, ABS_Y);
ioctl(fd, UI_SET_ABSBIT, ABS_Z);
ioctl(fd, UI_SET_ABSBIT, ABS_RX);
ioctl(fd, UI_SET_ABSBIT, ABS_RY);
ioctl(fd, UI_SET_ABSBIT, ABS_RZ);
ioctl(fd, UI_SET_ABSBIT, ABS_HAT0X);
ioctl(fd, UI_SET_ABSBIT, ABS_HAT0Y);
ioctl(fd, UI_SET_KEYBIT, BTN_SOUTH);
ioctl(fd, UI_SET_KEYBIT, BTN_EAST);
ioctl(fd, UI_SET_KEYBIT, BTN_NORTH);
ioctl(fd, UI_SET_KEYBIT, BTN_WEST);
ioctl(fd, UI_SET_KEYBIT, BTN_TL);
ioctl(fd, UI_SET_KEYBIT, BTN_TR);
ioctl(fd, UI_SET_KEYBIT, BTN_SELECT);
ioctl(fd, UI_SET_KEYBIT, BTN_START);
ioctl(fd, UI_SET_KEYBIT, BTN_MODE);
ioctl(fd, UI_SET_KEYBIT, BTN_TRIGGER);
ioctl(fd, UI_SET_KEYBIT, BTN_THUMBL);
ioctl(fd, UI_SET_KEYBIT, BTN_THUMBR);
const struct uinput_abs_setup devAbsX = {
.code = ABS_X,
.absinfo = {
.value = 0,
.minimum = -32768,
.maximum = +32768,
.resolution = 1,
.fuzz = 16,
.flat = 128,
}
};
if(ioctl(fd, UI_ABS_SETUP, &devAbsX) < 0) {
fd = -1;
close(fd);
goto create_output_dev_err;
}
struct uinput_abs_setup devAbsY = {
.code = ABS_Y,
.absinfo = {
.value = 0,
.minimum = -32768,
.maximum = +32768,
.resolution = 1,
.fuzz = 16,
.flat = 128,
}
};
if(ioctl(fd, UI_ABS_SETUP, &devAbsY) < 0) {
fd = -1;
close(fd);
goto create_output_dev_err;
}
struct uinput_abs_setup devAbsZ = {
.code = ABS_Z,
.absinfo = {
.value = 0,
.minimum = 0,
.maximum = 255,
.resolution = 255,
//.fuzz = 16,
//.flat = 128,
}
};
if(ioctl(fd, UI_ABS_SETUP, &devAbsZ) < 0) {
fd = -1;
close(fd);
goto create_output_dev_err;
}
struct uinput_abs_setup devAbsRX = {
.code = ABS_RX,
.absinfo = {
.value = 0,
.minimum = -32768,
.maximum = +32768,
.resolution = 1,
.fuzz = 16,
.flat = 128,
}
};
if(ioctl(fd, UI_ABS_SETUP, &devAbsRX) < 0) {
fd = -1;
close(fd);
goto create_output_dev_err;
}
struct uinput_abs_setup devAbsRY = {
.code = ABS_RY,
.absinfo = {
.value = -1,
.minimum = -32768,
.maximum = +32768,
.resolution = 1,
.fuzz = 16,
.flat = 128,
}
};
if(ioctl(fd, UI_ABS_SETUP, &devAbsRY) < 0) {
fd = -1;
close(fd);
goto create_output_dev_err;
}
struct uinput_abs_setup devAbsRZ = {
.code = ABS_RZ,
.absinfo = {
.value = 0,
.minimum = 0,
.maximum = 255,
.resolution = 255,
//.fuzz = 16,
//.flat = 128,
}
};
if(ioctl(fd, UI_ABS_SETUP, &devAbsRZ) < 0) {
fd = -1;
close(fd);
goto create_output_dev_err;
}
struct uinput_abs_setup devAbsHat0X = {
.code = ABS_HAT0X,
.absinfo = {
.value = 0,
.minimum = -1,
.maximum = 1,
.resolution = 1,
//.fuzz = 16,
//.flat = 128,
}
};
if(ioctl(fd, UI_ABS_SETUP, &devAbsHat0X) < 0) {
fd = -1;
close(fd);
goto create_output_dev_err;
}
struct uinput_abs_setup devAbsHat0Y = {
.code = ABS_HAT0Y,
.absinfo = {
.value = 0,
.minimum = -1,
.maximum = 1,
.resolution = 1,
//.fuzz = 16,
//.flat = 128,
}
};
if(ioctl(fd, UI_ABS_SETUP, &devAbsHat0Y) < 0) {
fd = -1;
close(fd);
goto create_output_dev_err;
}
if(ioctl(fd, UI_DEV_SETUP, &dev) < 0) {
fd = -1;
close(fd);
goto create_output_dev_err;
}
if(ioctl(fd, UI_DEV_CREATE) < 0) {
fd = -1;
close(fd);
goto create_output_dev_err;
}
break;
}
@ -151,6 +330,8 @@ create_output_dev_err:
void *output_dev_thread_func(void *ptr) {
output_dev_t *out_dev = (output_dev_t*)ptr;
const int fd = out_dev->fd;
for (;;) {
void *raw_ev;
const int pop_res = queue_pop_timeout(out_dev->queue, &raw_ev, 1000);
@ -164,6 +345,18 @@ void *output_dev_thread_func(void *ptr) {
msg->ev.value
);
struct timeval now = {0};
gettimeofday(&now, NULL);
const struct input_event ev = {
.code = msg->ev.code,
.type = msg->ev.type,
.value = msg->ev.value,
.time = now,
};
write(fd, (void*)&ev, sizeof(ev));
// from now on it's forbidden to use this memory
msg->flags |= MESSAGE_FLAGS_HANDLE_DONE;
} else if (pop_res == -1) {
@ -180,5 +373,8 @@ void *output_dev_thread_func(void *ptr) {
}
}
ioctl(fd, UI_DEV_DESTROY);
close(fd);
return NULL;
}

4
output_dev.h
View file

@ -2,8 +2,8 @@
#include "queue.h"
#define OUTPUT_DEV_VENDOR_ID 0x4532
#define OUTPUT_DEV_PRODUCT_ID 0x0924
#define OUTPUT_DEV_VENDOR_ID 0x045e
#define OUTPUT_DEV_PRODUCT_ID 0x028e
#define OUTPUT_DEV_CTRL_FLAG_EXIT 0x00000001U
#define OUTPUT_DEV_CTRL_FLAG_DATA 0x00000002U