本文整理汇总了C++中EVIOCGBIT函数 的典型用法代码示例。如果您正苦于以下问题：C++ EVIOCGBIT函数的具体用法？C++ EVIOCGBIT怎么用？C++ EVIOCGBIT使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了EVIOCGBIT函数 的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: evdev_is_suitable
int evdev_is_suitable(int fd)
{
long evtype_bitmask[(EV_MAX/BITS_PER_LONG) + 1];
/* Clean evtype_bitmask structure */
memset(evtype_bitmask, 0, sizeof(evtype_bitmask));
/* Ask device features */
if (ioctl(fd, EVIOCGBIT(0, EV_MAX), evtype_bitmask) < 0) {
log_msg(lg, "+ can't get evdev features: %s", ERRMSG);
return 0;
}
#ifdef DEBUG
int yalv;
for (yalv = 0; yalv < EV_MAX; yalv++) {
if (test_bit(yalv, evtype_bitmask)) {
/* this means that the bit is set in the event types list */
switch (yalv) {
case EV_SYN:
log_msg(lg, " + Sync");
break;
case EV_KEY:
log_msg(lg, " + Keys or Buttons");
break;
case EV_REL:
log_msg(lg, " + Relative Axes");
break;
case EV_ABS:
log_msg(lg, " + Absolute Axes");
break;
case EV_MSC:
log_msg(lg, " + Something miscellaneous");
break;
case EV_SW:
log_msg(lg, " + Switch");
break;
case EV_LED:
log_msg(lg, " + LEDs");
break;
case EV_SND:
log_msg(lg, " + Sounds");
break;
case EV_REP:
log_msg(lg, " + Repeat");
break;
case EV_FF:
log_msg(lg, " + Force Feedback");
break;
case EV_PWR:
log_msg(lg, " + Power");
break;
case EV_FF_STATUS:
log_msg(lg, " + Force Feedback Status");
break;
default:
log_msg(lg, " + Unknown event type: 0x%04hx", yalv);
break;
}
}
}
#endif
/* Check that we have EV_KEY bit set */
if (test_bit(EV_KEY, evtype_bitmask)) return 1;
/* device is not suitable */
log_msg(lg, "+ evdev have no EV_KEY bit, skipped");
return 0;
}开发者ID:zeldin， 项目名称:kexecboot， 代码行数:70， 代码来源:evdevs.c
示例2: CalcOldStyleID
compat_hat_offs = ev_abs_count;
ev_hat_count++;
}
ev_abs_count++;
}
}
//printf("%u\n", compat_hat_offs);
CalcOldStyleID(ev_abs_count - ev_hat_count, 0, ev_hat_count / 2, num_buttons);
}
#if 0
uint8 keybits[(KEY_CNT + 7) / 8];
unsigned ev_button_count = 0;
memset(keybits, 0, sizeof(keybits));
ioctl(evdev_fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
hashie.update(keybits, sizeof(keybits));
for(unsigned kbt = 0; kbt < KEY_CNT; kbt++)
{
if(keybits[kbt >> 3] & (1 << (kbt & 0x7)))
{
ev_button_count++;
}
}
printf("moo: %u\n", ev_button_count);
}
#endif
rumble_supported = false;
rumble_used = false;开发者ID:gameblabla， 项目名称:mednafen-gcw， 代码行数:31， 代码来源:Joystick_Linux.cpp
示例3: lightgun_event_abs_init
void lightgun_event_abs_init(void)
{
int i;
for (i = 0; i < GUN_MAX; i++) {
char name[256] = "Unknown";
uint8_t abs_bitmask[ABS_MAX/8 + 1];
struct input_absinfo abs_features;
if (!lg_devices[i].device)
continue;
if ((lg_devices[i].fd = open(lg_devices[i].device, O_RDONLY)) < 0) {
fprintf(stderr_file, "Lightgun%d: %s[open]: %s",
i + 1, lg_devices[i].device, strerror(errno));
continue;
}
if (ioctl(lg_devices[i].fd, EVIOCGNAME(sizeof(name)), name) < 0) {
fprintf(stderr_file, "Lightgun%d: %s[ioctl/EVIOCGNAME]: %s\n",
i + 1, lg_devices[i].device, strerror(errno));
lg_devices[i].device = NULL;
continue;
}
memset(abs_bitmask, 0, sizeof(abs_bitmask));
if (ioctl(lg_devices[i].fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask) < 0) {
fprintf(stderr_file, "Lightgun%d: %s[ioctl/EVIOCGNAME]: %s\n",
i + 1, lg_devices[i].device, strerror(errno));
lg_devices[i].device = NULL;
continue;
}
/* Make sure we have an X and Y axis. Not much good
* without it. */
if (!test_bit(ABS_X, abs_bitmask) || !test_bit(ABS_Y, abs_bitmask)) {
fprintf(stderr_file, "Lightgun%d: %s: Does not contain both X and Y axis, "
"ignoring\n", i + 1, lg_devices[i].device);
lg_devices[i].device = NULL;
continue;
}
if (ioctl(lg_devices[i].fd, EVIOCGABS(ABS_X), &abs_features)) {
fprintf(stderr_file, "Lightgun%d: %s[ioctl/EVIOCGABS(ABX_X)]: %s\n",
i + 1, lg_devices[i].device, strerror(errno));
lg_devices[i].device = NULL;
continue;
}
lg_devices[i].min[LG_X_AXIS] = abs_features.minimum;
lg_devices[i].range[LG_X_AXIS] = abs_features.maximum - abs_features.minimum;
if (ioctl(lg_devices[i].fd, EVIOCGABS(ABS_Y), &abs_features)) {
fprintf(stderr_file, "Lightgun%d: %s[ioctl/EVIOCGABS(ABX_Y)]: %s\n",
i + 1, lg_devices[i].device, strerror(errno));
lg_devices[i].device = NULL;
continue;
}
lg_devices[i].min[LG_Y_AXIS] = abs_features.minimum;
lg_devices[i].range[LG_Y_AXIS] = abs_features.maximum - abs_features.minimum;
fprintf(stderr_file, "Lightgun%d: %s\n", i + 1, name);
fprintf(stderr_file, " X axis: min[%d] range[%d]\n",
lg_devices[i].min[LG_X_AXIS], lg_devices[i].range[LG_X_AXIS]);
fprintf(stderr_file, " Y axis: min[%d] range[%d]\n",
lg_devices[i].min[LG_Y_AXIS], lg_devices[i].range[LG_Y_AXIS]);
}
}开发者ID:CrouchingLlama， 项目名称:openlase-mame， 代码行数:69， 代码来源:lightgun_abs_event.c
示例4: bzero
/*
* Fill device information.
* Queries the input device and tries to classify it.
*/
void CLinuxInputDevice::GetInfo(int fd)
{
unsigned int num_keys = 0;
unsigned int num_ext_keys = 0;
unsigned int num_buttons = 0;
unsigned int num_rels = 0;
unsigned int num_abs = 0;
unsigned long evbit[NBITS(EV_CNT)];
unsigned long keybit[NBITS(KEY_CNT)];
/* get device name */
bzero(m_deviceName, sizeof(m_deviceName));
ioctl(fd, EVIOCGNAME(sizeof(m_deviceName)-1), m_deviceName);
if (strncmp(m_deviceName, "D-Link Boxee D-Link Boxee Receiver", strlen("D-Link Boxee D-Link Boxee Receiver")) == 0)
{
m_bSkipNonKeyEvents = true;
}
else
{
m_bSkipNonKeyEvents = false;
}
CLog::Log(LOGINFO, "opened device '%s' (file name %s), m_bSkipNonKeyEvents %d\n", m_deviceName, m_fileName.c_str(), m_bSkipNonKeyEvents);
/* get event type bits */
ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), evbit);
if (test_bit( EV_KEY, evbit ))
{
int i;
/* get keyboard bits */
ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit);
/** count typical keyboard keys only */
for (i = KEY_Q; i <= KEY_M; i++)
if (test_bit( i, keybit ))
num_keys++;
for (i = KEY_OK; i < KEY_CNT; i++)
if (test_bit( i, keybit ))
num_ext_keys++;
for (i = BTN_MOUSE; i < BTN_JOYSTICK; i++)
if (test_bit( i, keybit ))
num_buttons++;
}
#ifndef HAS_INTELCE
unsigned long relbit[NBITS(REL_CNT)];
unsigned long absbit[NBITS(ABS_CNT)];
if (test_bit( EV_REL, evbit ))
{
int i;
/* get bits for relative axes */
ioctl(fd, EVIOCGBIT(EV_REL, sizeof(relbit)), relbit);
for (i = 0; i < REL_CNT; i++)
if (test_bit( i, relbit ))
num_rels++;
}
if (test_bit( EV_ABS, evbit ))
{
int i;
/* get bits for absolute axes */
ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit);
for (i = 0; i < ABS_PRESSURE; i++)
if (test_bit( i, absbit ))
num_abs++;
}
/* Mouse, Touchscreen or Smartpad ? */
if ((test_bit( EV_KEY, evbit ) && (test_bit( BTN_TOUCH, keybit )
|| test_bit( BTN_TOOL_FINGER, keybit ))) || ((num_rels >= 2
&& num_buttons) || (num_abs == 2 && (num_buttons == 1))))
m_deviceType |= LI_DEVICE_MOUSE;
else if (num_abs && num_buttons) /* Or a Joystick? */
m_deviceType |= LI_DEVICE_JOYSTICK;
#endif
/* A Keyboard, do we have at least some letters? */
if (num_keys > 20)
{
m_deviceType |= LI_DEVICE_KEYBOARD;
m_deviceCaps |= LI_CAPS_KEYS;
m_deviceMinKeyCode = 0;
m_deviceMaxKeyCode = 127;
}
//.........这里部分代码省略.........
开发者ID:AFFLUENTSOCIETY， 项目名称:SPMC， 代码行数:101， 代码来源:LinuxInputDevices.cpp
示例5: main
int main(int argc, char ** argv)
{
int fd;
unsigned long *evtype_b = malloc(sizeof(int));
int yalv;
if ((fd = open(argv[1], O_RDONLY)) < 0) {
perror("evdev open");
exit(1);
}
memset(evtype_b, 0, sizeof(evtype_b));
if (ioctl(fd, EVIOCGBIT(0, EV_MAX), evtype_b) < 0) {
perror("evdev ioctl");
}
printf("Supported event types:\n");
for (yalv = 0; yalv < EV_MAX; yalv++) {
if (test_bit(yalv, evtype_b)) {
/* the bit is set in the event types list */
printf(" Event type 0x%02x ", yalv);
switch (yalv) {
case EV_SYN :
printf(" (Synch Events)\n");
break;
case EV_KEY :
printf(" (Keys or Buttons)\n");
break;
case EV_REL :
printf(" (Relative Axes)\n");
break;
case EV_ABS :
printf(" (Absolute Axes)\n");
break;
case EV_MSC :
printf(" (Miscellaneous)\n");
break;
case EV_LED :
printf(" (LEDs)\n");
break;
case EV_SND :
printf(" (Sounds)\n");
break;
case EV_REP :
printf(" (Repeat)\n");
break;
case EV_FF :
case EV_FF_STATUS:
printf(" (Force Feedback)\n");
break;
case EV_PWR:
printf(" (Power Management)\n");
break;
default:
printf(" (Unknown: 0x%04hx)\n", yalv);
}
}
}
close(fd);
}开发者ID:xxha， 项目名称:sclib， 代码行数:63， 代码来源:test_event0.c
示例6: evdev_handle_device
static int
evdev_handle_device(struct evdev_device *device)
{
struct input_absinfo absinfo;
unsigned long ev_bits[NBITS(EV_MAX)];
unsigned long abs_bits[NBITS(ABS_MAX)];
unsigned long rel_bits[NBITS(REL_MAX)];
unsigned long key_bits[NBITS(KEY_MAX)];
int has_key, has_abs;
unsigned int i;
has_key = 0;
has_abs = 0;
device->caps = 0;
ioctl(device->fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits);
if (TEST_BIT(ev_bits, EV_ABS)) {
has_abs = 1;
ioctl(device->fd, EVIOCGBIT(EV_ABS, sizeof(abs_bits)),
abs_bits);
if (TEST_BIT(abs_bits, ABS_X)) {
ioctl(device->fd, EVIOCGABS(ABS_X), &absinfo);
device->abs.min_x = absinfo.minimum;
device->abs.max_x = absinfo.maximum;
device->caps |= EVDEV_MOTION_ABS;
}
if (TEST_BIT(abs_bits, ABS_Y)) {
ioctl(device->fd, EVIOCGABS(ABS_Y), &absinfo);
device->abs.min_y = absinfo.minimum;
device->abs.max_y = absinfo.maximum;
device->caps |= EVDEV_MOTION_ABS;
}
if (TEST_BIT(abs_bits, ABS_MT_SLOT)) {
ioctl(device->fd, EVIOCGABS(ABS_MT_POSITION_X),
&absinfo);
device->abs.min_x = absinfo.minimum;
device->abs.max_x = absinfo.maximum;
ioctl(device->fd, EVIOCGABS(ABS_MT_POSITION_Y),
&absinfo);
device->abs.min_y = absinfo.minimum;
device->abs.max_y = absinfo.maximum;
device->is_mt = 1;
device->mt.slot = 0;
device->caps |= EVDEV_TOUCH;
}
}
if (TEST_BIT(ev_bits, EV_REL)) {
ioctl(device->fd, EVIOCGBIT(EV_REL, sizeof(rel_bits)),
rel_bits);
if (TEST_BIT(rel_bits, REL_X) || TEST_BIT(rel_bits, REL_Y))
device->caps |= EVDEV_MOTION_REL;
}
if (TEST_BIT(ev_bits, EV_KEY)) {
has_key = 1;
ioctl(device->fd, EVIOCGBIT(EV_KEY, sizeof(key_bits)),
key_bits);
if (TEST_BIT(key_bits, BTN_TOOL_FINGER) &&
!TEST_BIT(key_bits, BTN_TOOL_PEN) &&
has_abs)
device->dispatch = evdev_touchpad_create(device);
for (i = KEY_ESC; i < KEY_MAX; i++) {
if (i >= BTN_MISC && i < KEY_OK)
continue;
if (TEST_BIT(key_bits, i)) {
device->caps |= EVDEV_KEYBOARD;
break;
}
}
for (i = BTN_MISC; i < KEY_OK; i++) {
if (TEST_BIT(key_bits, i)) {
device->caps |= EVDEV_BUTTON;
break;
}
}
}
if (TEST_BIT(ev_bits, EV_LED)) {
device->caps |= EVDEV_KEYBOARD;
}
/* This rule tries to catch accelerometer devices and opt out. We may
* want to adjust the protocol later adding a proper event for dealing
* with accelerometers and implement here accordingly */
if (has_abs && !has_key && !device->is_mt) {
weston_log("input device %s, %s "
"ignored: unsupported device type\n",
device->devname, device->devnode);
return 0;
}
return 1;
}开发者ID:anderco， 项目名称:weston， 代码行数:92， 代码来源:evdev.c
示例7: ConfigJoystick
static void
ConfigJoystick(SDL_Joystick * joystick, int fd)
{
int i, t;
unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
unsigned long absbit[NBITS(ABS_MAX)] = { 0 };
unsigned long relbit[NBITS(REL_MAX)] = { 0 };
/* See if this device uses the new unified event API */
if ((ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) >= 0) &&
(ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) >= 0) &&
(ioctl(fd, EVIOCGBIT(EV_REL, sizeof(relbit)), relbit) >= 0)) {
/* Get the number of buttons, axes, and other thingamajigs */
for (i = BTN_JOYSTICK; i < KEY_MAX; ++i) {
if (test_bit(i, keybit)) {
#ifdef DEBUG_INPUT_EVENTS
printf("Joystick has button: 0x%x\n", i);
#endif
joystick->hwdata->key_map[i] = joystick->nbuttons;
++joystick->nbuttons;
}
}
for (i = 0; i < BTN_JOYSTICK; ++i) {
if (test_bit(i, keybit)) {
#ifdef DEBUG_INPUT_EVENTS
printf("Joystick has button: 0x%x\n", i);
#endif
joystick->hwdata->key_map[i] = joystick->nbuttons;
++joystick->nbuttons;
}
}
for (i = 0; i < ABS_MAX; ++i) {
/* Skip hats */
if (i == ABS_HAT0X) {
i = ABS_HAT3Y;
continue;
}
if (test_bit(i, absbit)) {
struct input_absinfo absinfo;
if (ioctl(fd, EVIOCGABS(i), &absinfo) < 0) {
continue;
}
#ifdef DEBUG_INPUT_EVENTS
printf("Joystick has absolute axis: 0x%.2x\n", i);
printf("Values = { %d, %d, %d, %d, %d }\n",
absinfo.value, absinfo.minimum, absinfo.maximum,
absinfo.fuzz, absinfo.flat);
#endif /* DEBUG_INPUT_EVENTS */
joystick->hwdata->abs_map[i] = joystick->naxes;
if (absinfo.minimum == absinfo.maximum) {
joystick->hwdata->abs_correct[i].used = 0;
} else {
joystick->hwdata->abs_correct[i].used = 1;
joystick->hwdata->abs_correct[i].coef[0] =
(absinfo.maximum + absinfo.minimum) - 2 * absinfo.flat;
joystick->hwdata->abs_correct[i].coef[1] =
(absinfo.maximum + absinfo.minimum) + 2 * absinfo.flat;
t = ((absinfo.maximum - absinfo.minimum) - 4 * absinfo.flat);
if (t != 0) {
joystick->hwdata->abs_correct[i].coef[2] =
(1 << 28) / t;
} else {
joystick->hwdata->abs_correct[i].coef[2] = 0;
}
}
++joystick->naxes;
}
}
for (i = ABS_HAT0X; i <= ABS_HAT3Y; i += 2) {
if (test_bit(i, absbit) || test_bit(i + 1, absbit)) {
struct input_absinfo absinfo;
if (ioctl(fd, EVIOCGABS(i), &absinfo) < 0) {
continue;
}
#ifdef DEBUG_INPUT_EVENTS
printf("Joystick has hat %d\n", (i - ABS_HAT0X) / 2);
printf("Values = { %d, %d, %d, %d, %d }\n",
absinfo.value, absinfo.minimum, absinfo.maximum,
absinfo.fuzz, absinfo.flat);
#endif /* DEBUG_INPUT_EVENTS */
++joystick->nhats;
}
}
if (test_bit(REL_X, relbit) || test_bit(REL_Y, relbit)) {
++joystick->nballs;
}
/* Allocate data to keep track of these thingamajigs */
if (joystick->nhats > 0) {
if (allocate_hatdata(joystick) < 0) {
joystick->nhats = 0;
}
}
if (joystick->nballs > 0) {
if (allocate_balldata(joystick) < 0) {
joystick->nballs = 0;
}
//.........这里部分代码省略.........
开发者ID:vroad， 项目名称:sdl， 代码行数:101， 代码来源:SDL_sysjoystick.c
示例8: get_free_joy_slot
void joystick_linux::open_joystick(const char *p_path) {
int joy_num = get_free_joy_slot();
int fd = open(p_path, O_RDONLY | O_NONBLOCK);
if (fd != -1 && joy_num != -1) {
unsigned long evbit[NBITS(EV_MAX)] = { 0 };
unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
unsigned long absbit[NBITS(ABS_MAX)] = { 0 };
if ((ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), evbit) < 0) ||
(ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) < 0) ||
(ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) < 0)) {
close(fd);
return;
}
//check if the device supports basic gamepad events, prevents certain keyboards from
//being detected as joysticks
if (!(test_bit(EV_KEY, evbit) && test_bit(EV_ABS, evbit) &&
(test_bit(ABS_X, absbit) || test_bit(ABS_Y, absbit) || test_bit(ABS_HAT0X, absbit) ||
test_bit(ABS_GAS, absbit) || test_bit(ABS_RUDDER, absbit)) &&
(test_bit(BTN_A, keybit) || test_bit(BTN_THUMBL, keybit) ||
test_bit(BTN_TRIGGER, keybit) || test_bit(BTN_1, keybit)))) {
close(fd);
return;
}
char uid[128];
char namebuf[128];
String name = "";
input_id inpid;
if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) >= 0) {
name = namebuf;
}
if (ioctl(fd, EVIOCGID, &inpid) < 0) {
close(fd);
return;
}
joysticks[joy_num].reset();
Joystick &joy = joysticks[joy_num];
joy.fd = fd;
joy.devpath = String(p_path);
setup_joystick_properties(joy_num);
sprintf(uid, "%04x%04x", __bswap_16(inpid.bustype), 0);
if (inpid.vendor && inpid.product && inpid.version) {
uint16_t vendor = __bswap_16(inpid.vendor);
uint16_t product = __bswap_16(inpid.product);
uint16_t version = __bswap_16(inpid.version);
sprintf(uid + String(uid).length(), "%04x%04x%04x%04x%04x%04x", vendor,0,product,0,version,0);
input->joy_connection_changed(joy_num, true, name, uid);
}
else {
String uidname = uid;
int uidlen = MIN(name.length(), 11);
for (int i=0; i<uidlen; i++) {
uidname = uidname + _hex_str(name[i]);
}
uidname += "00";
input->joy_connection_changed(joy_num, true, name, uidname);
}
}
}开发者ID:francogarcia， 项目名称:godot， 代码行数:69， 代码来源:joystick_linux.cpp
示例9: pa__init
int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
struct userdata *u;
int version;
struct input_id input_id;
char name[256];
uint8_t evtype_bitmask[EV_MAX/8 + 1];
pa_volume_t volume_limit = PA_VOLUME_NORM*3/2;
pa_volume_t volume_step = PA_VOLUME_NORM/20;
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments");
goto fail;
}
if (pa_modargs_get_value_u32(ma, "volume_limit", &volume_limit) < 0) {
pa_log("Failed to parse volume limit");
goto fail;
}
if (pa_modargs_get_value_u32(ma, "volume_step", &volume_step) < 0) {
pa_log("Failed to parse volume step");
goto fail;
}
m->userdata = u = pa_xnew(struct userdata, 1);
u->module = m;
u->io = NULL;
u->sink_name = pa_xstrdup(pa_modargs_get_value(ma, "sink", NULL));
u->fd = -1;
u->fd_type = 0;
u->volume_limit = PA_CLAMP_VOLUME(volume_limit);
u->volume_step = PA_CLAMP_VOLUME(volume_step);
if ((u->fd = pa_open_cloexec(pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), O_RDONLY, 0)) < 0) {
pa_log("Failed to open evdev device: %s", pa_cstrerror(errno));
goto fail;
}
if (ioctl(u->fd, EVIOCGVERSION, &version) < 0) {
pa_log("EVIOCGVERSION failed: %s", pa_cstrerror(errno));
goto fail;
}
pa_log_info("evdev driver version %i.%i.%i", version >> 16, (version >> 8) & 0xff, version & 0xff);
if (ioctl(u->fd, EVIOCGID, &input_id)) {
pa_log("EVIOCGID failed: %s", pa_cstrerror(errno));
goto fail;
}
pa_log_info("evdev vendor 0x%04hx product 0x%04hx version 0x%04hx bustype %u",
input_id.vendor, input_id.product, input_id.version, input_id.bustype);
memset(name, 0, sizeof(name));
if (ioctl(u->fd, EVIOCGNAME(sizeof(name)), name) < 0) {
pa_log("EVIOCGNAME failed: %s", pa_cstrerror(errno));
goto fail;
}
pa_log_info("evdev device name: %s", name);
memset(evtype_bitmask, 0, sizeof(evtype_bitmask));
if (ioctl(u->fd, EVIOCGBIT(0, EV_MAX), evtype_bitmask) < 0) {
pa_log("EVIOCGBIT failed: %s", pa_cstrerror(errno));
goto fail;
}
if (!test_bit(EV_KEY, evtype_bitmask)) {
pa_log("Device has no keys.");
goto fail;
}
u->io = m->core->mainloop->io_new(m->core->mainloop, u->fd, PA_IO_EVENT_INPUT|PA_IO_EVENT_HANGUP, io_callback, u);
pa_modargs_free(ma);
return 0;
fail:
if (ma)
pa_modargs_free(ma);
pa__done(m);
return -1;
}开发者ID:DryakhlyyZlodey， 项目名称:pulseaudio， 代码行数:90， 代码来源:module-mmkbd-evdev.c
示例10: evtest_test
void evtest_test(const char* filename)
{
int fd, rd, i, j, k;
struct input_event ev[64];
int version;
unsigned short id[4];
unsigned long bit[EV_MAX][NBITS(KEY_MAX)];
char name[256] = "Unknown";
int abs[5];
if ((fd = open(filename, O_RDONLY)) < 0) {
perror("evtest");
exit(1);
}
if (ioctl(fd, EVIOCGVERSION, &version)) {
perror("evtest: can't get version");
exit(1);
}
printf("Input driver version is %d.%d.%d\n",
version >> 16, (version >> 8) & 0xff, version & 0xff);
ioctl(fd, EVIOCGID, id);
printf("Input device ID: bus 0x%x vendor 0x%x product 0x%x version 0x%x\n",
id[ID_BUS], id[ID_VENDOR], id[ID_PRODUCT], id[ID_VERSION]);
ioctl(fd, EVIOCGNAME(sizeof(name)), name);
printf("Input device name: \"%s\"\n", name);
memset(bit, 0, sizeof(bit));
ioctl(fd, EVIOCGBIT(0, EV_MAX), bit[0]);
printf("Supported events:\n");
for (i = 0; i < EV_MAX; i++)
if (test_bit(i, bit[0])) {
printf(" Event type %d (%s)\n", i, events[i] ? events[i] : "?");
ioctl(fd, EVIOCGBIT(i, KEY_MAX), bit[i]);
for (j = 0; j < KEY_MAX; j++)
if (test_bit(j, bit[i])) {
printf(" Event code %d (%s)\n", j, names[i] ? (names[i][j] ? names[i][j] : "?") : "?");
if (i == EV_ABS) {
ioctl(fd, EVIOCGABS(j), abs);
for (k = 0; k < 5; k++)
if ((k < 3) || abs[k])
printf(" %s %6d\n", absval[k], abs[k]);
}
}
}
printf("Testing ... (interrupt to exit)\n");
while (1) {
rd = read(fd, ev, sizeof(struct input_event) * 64);
if (rd < (int) sizeof(struct input_event)) {
printf("yyy\n");
perror("\nevtest: error reading");
exit (1);
}
for (i = 0; i < rd / sizeof(struct input_event); i++)
printf("Event: time %ld.%06ld, type %d (%s), code %d (%s), value %d\n",
ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].type,
events[ev[i].type] ? events[ev[i].type] : "?",
ev[i].code,
names[ev[i].type] ? (names[ev[i].type][ev[i].code] ? names[ev[i].type][ev[i].code] : "?") : "?",
ev[i].value);
}
}开发者ID:qunge12345， 项目名称:ubuntu， 代码行数:72， 代码来源:evtest.c
示例11: evtest_info
void evtest_info(const char* filename, int verbose)
{
int fd;
unsigned short id[4];
char name[256] = "Unknown";
if ((fd = open(filename, O_RDONLY)) < 0)
{
perror(filename);
}
else
{
int i, j, k;
int version;
if (ioctl(fd, EVIOCGVERSION, &version)) {
perror("evtest: can't get version");
exit(1);
}
unsigned long bit[EV_MAX][NBITS(KEY_MAX)];
ioctl(fd, EVIOCGID, id);
ioctl(fd, EVIOCGNAME(sizeof(name)), name);
memset(bit, 0, sizeof(bit));
ioctl(fd, EVIOCGBIT(0, EV_MAX), bit[0]);
if (!verbose)
{
printf("%s\t\"%s\"\n", filename, name);
}
else
{
printf("Input device file: %s\n", filename);
printf("Input device name: \"%s\"\n", name);
printf("Input driver version is %d.%d.%d\n",
version >> 16, (version >> 8) & 0xff, version & 0xff);
printf("Input device ID: bus 0x%x vendor 0x%x product 0x%x version 0x%x\n",
id[ID_BUS], id[ID_VENDOR], id[ID_PRODUCT], id[ID_VERSION]);
printf("Supported events:\n");
for (i = 0; i < EV_MAX; i++)
if (test_bit(i, bit[0])) {
printf(" Event type %d (%s)\n", i, events[i] ? events[i] : "?");
ioctl(fd, EVIOCGBIT(i, KEY_MAX), bit[i]);
for (j = 0; j < KEY_MAX; j++)
if (test_bit(j, bit[i])) {
printf(" Event code %d (%s)\n", j, names[i] ? (names[i][j] ? names[i][j] : "?") : "?");
if (i == EV_ABS) {
int abs[5];
ioctl(fd, EVIOCGABS(j), abs);
for (k = 0; k < 5; k++)
if ((k < 3) || abs[k])
printf(" %s %6d\n", absval[k], abs[k]);
}
}
}
putchar('\n');
}
}
}开发者ID:qunge12345， 项目名称:ubuntu， 代码行数:65， 代码来源:evtest.c
示例12: PIGU_detect_device
int PIGU_detect_device(const char *device, PIGU_device_info_t *info)
{
uint32_t types[EV_MAX];
uint32_t events[(KEY_MAX-1)/32+1];
int fd = open(device, O_RDONLY | O_NONBLOCK);
if(fd<0)
return -1;
memset(info, 0, sizeof(PIGU_device_info_t));
info->fd = fd;
// get device name
ioctl(fd, EVIOCGNAME(sizeof(info->name)), info->name);
// query supported event types
memset(types, 0, sizeof(types));
ioctl(fd, EVIOCGBIT(0, EV_MAX), types);
int key_count = 0;
int mouse_button_count = 0;
int joystick_button_count = 0;
int gamepad_button_count = 0;
PIGU_axis_data_t axes;
PIGU_init_axis_data(&axes);
PIGU_button_data_t buttons;
PIGU_init_button_data(&buttons);
if(PIGU_get_bit(types, EV_KEY))
{
// count events
memset(events, 0, sizeof(events));
ioctl(fd, EVIOCGBIT(EV_KEY, KEY_MAX), events);
int j = 0;
for(;j<BTN_MISC;++j)
if(PIGU_get_bit(events, j))
key_count++;
j = BTN_MOUSE; // skip misc buttons
for(;j<BTN_JOYSTICK;++j)
if(PIGU_get_bit(events, j))
{
mouse_button_count++;
if(j-BTN_MOUSE>=16)
continue;
buttons.map[buttons.count] = j-BTN_MOUSE;
buttons.count++;
}
for(;j<BTN_GAMEPAD;++j)
if(PIGU_get_bit(events, j))
{
joystick_button_count++;
if(j-BTN_JOYSTICK>=16)
continue;
buttons.map[buttons.count] = j-BTN_JOYSTICK;
buttons.count++;
}
for(;j<BTN_DIGI;++j)
if(PIGU_get_bit(events, j))
{
gamepad_button_count++;
if(j-BTN_GAMEPAD>=16)
continue;
buttons.map[buttons.count] = j-BTN_GAMEPAD;
buttons.count++;
}
}
if(PIGU_get_bit(types, EV_ABS))
{
struct input_absinfo abs;
memset(events, 0, sizeof(events));
ioctl(fd, EVIOCGBIT(EV_ABS, KEY_MAX), events);
int j = 0;
for(;j<32;++j)
if(PIGU_get_bit(events, j))
{
axes.map[axes.count] = j;
ioctl(fd, EVIOCGABS(j), &abs);
axes.position[j] = abs.value;
axes.min[j] = abs.minimum;
axes.max[j] = abs.maximum;
axes.count++;
}
}
// we simply assume that a device that reports gamepad events
// is actually a gamepad... a device that reports different types
// of events will simply detected according to the order of this
// if chain here.
info->type = PIGU_UNKNOWN;
if(gamepad_button_count > 0)
{
//.........这里部分代码省略.........
开发者ID:Rexhunter99， 项目名称:pigu， 代码行数:101， 代码来源:input.c
示例13: builtin_keyboard
static int builtin_keyboard(struct udev_device *dev, int argc, char *argv[], bool test) {
struct udev_list_entry *entry;
unsigned release[1024];
unsigned release_count = 0;
_cleanup_close_ int fd = -1;
const char *node;
int has_abs = -1;
node = udev_device_get_devnode(dev);
if (!node) {
log_error("No device node for \"%s\"", udev_device_get_syspath(dev));
return EXIT_FAILURE;
}
udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev)) {
const char *key;
char *endptr;
key = udev_list_entry_get_name(entry);
if (startswith(key, "KEYBOARD_KEY_")) {
const char *keycode;
unsigned scancode;
/* KEYBOARD_KEY_<hex scan code>=<key identifier string> */
scancode = strtoul(key + 13, &endptr, 16);
if (endptr[0] != '\0') {
log_warning("Unable to parse scan code from \"%s\"", key);
continue;
}
keycode = udev_list_entry_get_value(entry);
/* a leading '!' needs a force-release entry */
if (keycode[0] == '!') {
keycode++;
release[release_count] = scancode;
if (release_count < ELEMENTSOF(release)-1)
release_count++;
if (keycode[0] == '\0')
continue;
}
if (fd == -1) {
fd = open_device(node);
if (fd < 0)
return EXIT_FAILURE;
}
map_keycode(fd, node, scancode, keycode);
} else if (startswith(key, "EVDEV_ABS_")) {
unsigned evcode;
/* EVDEV_ABS_<EV_ABS code>=<min>:<max>:<res>:<fuzz>:<flat> */
evcode = strtoul(key + 10, &endptr, 16);
if (endptr[0] != '\0') {
log_warning("Unable to parse EV_ABS code from \"%s\"", key);
continue;
}
if (fd == -1) {
fd = open_device(node);
if (fd < 0)
return EXIT_FAILURE;
}
if (has_abs == -1) {
unsigned long bits;
int rc;
rc = ioctl(fd, EVIOCGBIT(0, sizeof(bits)), &bits);
if (rc < 0) {
log_error_errno(errno, "Unable to EVIOCGBIT device \"%s\"", node);
return EXIT_FAILURE;
}
has_abs = !!(bits & (1 << EV_ABS));
if (!has_abs)
log_warning("EVDEV_ABS override set but no EV_ABS present on device \"%s\"", node);
}
if (!has_abs)
continue;
override_abs(fd, node, evcode, udev_list_entry_get_value(entry));
} else if (streq(key, "POINTINGSTICK_SENSITIVITY"))
set_trackpoint_sensitivity(dev, udev_list_entry_get_value(entry));
}
/* install list of force-release codes */
if (release_count > 0)
install_force_release(dev, release, release_count);
return EXIT_SUCCESS;
}开发者ID:Hariprasathganesh， 项目名称:testsysd， 代码行数:96， 代码来源:udev-builtin-keyboard.c
示例14: open_dev_usb
int open_dev_usb(struct device *dev)
{
int i;
struct input_absinfo absinfo;
unsigned char evtype_mask[(EV_MAX + 7) / 8];
if((dev->fd = open(dev->path, O_RDWR)) == -1) {
if((dev->fd = open(dev->path, O_RDONLY)) == -1) {
perror("failed to open device");
return -1;
}
fprintf(stderr, "opened device read-only, LEDs won't work\n");
}
if(ioctl(dev->fd, EVIOCGNAME(sizeof dev->name), dev->name) == -1) {
perror("EVIOCGNAME ioctl failed");
strcpy(dev->name, "unknown");
}
printf("device name: %s\n", dev->name);
/* get number of axes */
dev->num_axes = 6; /* default to regular 6dof controller axis count */
if(ioctl(dev->fd, EVIOCGBIT(EV_ABS, sizeof evtype_mask), evtype_mask) == 0) {
dev->num_axes = 0;
for(i=0; i<ABS_CNT; i++) {
int idx = i / 8;
int bit = i % 8;
if(evtype_mask[idx] & (1 << bit)) {
dev->num_axes++;
} else {
break;
}
}
}
if(verbose) {
printf(" Number of axes: %d\n", dev->num_axes);
}
dev->minval = malloc(dev->num_axes * sizeof *dev->minval);
dev->maxval = malloc(dev->num_axes * sizeof *dev->maxval);
dev->fuzz = malloc(dev->num_axes * sizeof *dev->fuzz);
if(!dev->minval || !dev->maxval || !dev->fuzz) {
perror("failed to allocate memory");
return -1;
}
/* if the device is an absolute device, find the minimum and maximum axis values */
for(i=0; i<dev->num_axes; i++) {
dev->minval[i] = DEF_MINVAL;
dev->maxval[i] = DEF_MAXVAL;
dev->fuzz[i] = 0;
if(ioctl(dev->fd, EVIOCGABS(i), &absinfo) == 0) {
dev->minval[i] = absinfo.minimum;
dev->maxval[i] = absinfo.maximum;
dev->fuzz[i] = absinfo.fuzz;
if(verbose) {
printf(" Axis %d value range: %d - %d (fuzz: %d)\n", i, dev->minval[i], dev->maxval[i], dev->fuzz[i]);
}
}
}
/*if(ioctl(dev->fd, EVIOCGBIT(0, sizeof(evtype_mask)), evtype_mask) == -1) {
perror("EVIOCGBIT ioctl failed\n");
close(dev->fd);
return -1;
}*/
if(cfg.grab_device) {
int grab = 1;
/* try to grab the device */
if(ioctl(dev->fd, EVIOCGRAB, &grab) == -1) {
perror("failed to grab the device");
}
}
/* set non-blocking */
fcntl(dev->fd, F_SETFL, fcntl(dev->fd, F_GETFL) | O_NONBLOCK);
if(cfg.led) {
set_led_evdev(dev, 1);
}
/* fill the device function pointers */
dev->close = close_evdev;
dev->read = read_evdev;
dev->set_led = set_led_evdev;
return 0;
}开发者ID:5263， 项目名称:spacenav， 代码行数:93， 代码来源:dev_usb_linux.c
示例15: I_NOSTATE
I_NOSTATE(USBDEVFS_RESETEP, success),
I_NOSTATE(USBDEVFS_GETDRIVER, enodata),
I_NOSTATE(USBDEVFS_IOCTL, enotty),
I_NOSTATE(EVIOCGRAB, success),
/* evdev */
I_SIMPLE_STRUCT_IN(EVIOCGVERSION, 0, ioctl_insertion_parent_stateless),
I_SIMPLE_STRUCT_IN(EVIOCGID, 0, ioctl_insertion_parent_stateless),
I_SIMPLE_STRUCT_IN(EVIOCGREP, 0, ioctl_insertion_parent_stateless),
I_SIMPLE_STRUCT_IN(EVIOCGKEYCODE, 0, ioctl_insertion_parent_stateless),
I_SIMPLE_STRUCT_IN(EVIOCGKEYCODE_V2, 0, ioctl_insertion_parent_stateless),
I_SIMPLE_STRUCT_IN(EVIOCGEFFECTS, 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGABS(0), "EVIOCGABS", ABS_MAX, ioctl_insertion_parent_stateless),
/* we define these with len==32, but they apply to any len */
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGBIT(0, 32), "EVIOCGBIT", EV_MAX, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGNAME(32), "EVIOCGNAME", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGPHYS(32), "EVIOCGPHYS", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGUNIQ(32), "EVIOCGUNIQ", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGPROP(32), "EVIOCGPROP", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGKEY(32), "EVIOCGKEY", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGLED(32), "EVIOCGLED", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGSND(32), "EVIOCGSND", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGSW(32), "EVIOCGSW", 0, ioctl_insertion_parent_stateless),
/* this was introduced not too long ago */
#ifdef EVIOCGMTSLOTS
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGMTSLOTS(32), "EVIOCGMTSLOTS", 0, ioctl_insertion_parent_stateless),
#endif
/* terminator */开发者ID:APokorny， 项目名称:umockdev， 代码行数:31， 代码来源:ioctl_tree.c
示例16: main
int main (int argc, char **argv)
{
int fd, rd, i, j, k;
struct input_event ev[64];
int version;
unsigned short id[4];
unsigned long bit[EV_MAX][NBITS(KEY_MAX)];
char name[256] = "Unknown";
int abs[5];
if (argc < 2) {
printf("Usage: evtest /dev/input/eventX\n");
printf("Where X = input device number\n");
return 1;
}
if ((fd = open(argv[argc - 1], O_RDONLY)) < 0) {
perror("evtest");
return 1;
}
if (ioctl(fd, EVIOCGVERSION, &version)) {
perror("evtest: can't get version");
return 1;
}
printf("Input driver version is %d.%d.%d\n",
version >> 16, (version >> 8) & 0xff, version & 0xff);
ioctl(fd, EVIOCGID, id);
printf("Input device ID: bus 0x%x vendor 0x%x product 0x%x version 0x%x\n",
id[ID_BUS], id[ID_VENDOR], id[ID_PRODUCT], id[ID_VERSION]);
ioctl(fd, EVIOCGNAME(sizeof(name)), name);
printf("Input device name: \"%s\"\n", name);
memset(bit, 0, sizeof(bit));
ioctl(fd, EVIOCGBIT(0, EV_MAX), bit[0]);
printf("Supported events:\n");
for (i = 0; i < EV_MAX; i++)
if (test_bit(i, bit[0])) {
printf(" Event type %d (%s)\n", i, events[i] ? events[i] : "?");
if (!i) continue;
ioctl(fd, EVIOCGBIT(i, KEY_MAX), bit[i]);
for (j = 0; j < KEY_MAX; j++)
if (test_bit(j, bit[i])) {
printf(" Event code %d (%s)\n", j, names[i] ? (names[i][j] ? names[i][j] : "?") : "?");
if (i == EV_ABS) {
ioctl(fd, EVIOCGABS(j), abs);
for (k = 0; k < 5; k++)
if ((k < 3) || abs[k])
printf(" %s %6d\n", absval[k], abs[k]);
}
}
}
printf("Testing ... (interrupt to exit)\n");
while (1) {
rd = read(fd, ev, sizeof(struct input_event) * 64);
if (rd < (int) sizeof(struct input_event)) {
printf("yyy\n");
perror("\nevtest: error reading");
return 1;
}
for (i = 0; i < rd / sizeof(struct input_event); i++)
if (ev[i].type == EV_SYN) {
printf("Event: time %ld.%06ld, -------------- %s ------------\n",
ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].code ? "Config Sync" : "Report Sync" );
} else if (ev[i].type == EV_MSC && (ev[i].code == MSC_RAW || ev[i].code == MSC_SCAN)) {
printf("Event: time %ld.%06ld, type %d (%s), code %d (%s), value %02x\n",
ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].type,
events[ev[i].type] ? events[ev[i].type] : "?",
ev[i].code,
names[ev[i].type] ? (names[ev[i].type][ev[i].code] ? names[ev[i].type][ev[i].code] : "?") : "?",
ev[i].value);
} else {
printf("Event: time %ld.%06ld, type %d (%s), code %d (%s), value %d\n",
ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].type,
events[ev[i].type] ? events[ev[i].type] : "?",
ev[i].code,
names[ev[i].type] ? (names[ev[i].type][ev[i].code] ? names[ev[i].type][ev[i].code] : "?") : "?",
ev[i].value);
}
}
}开发者ID:0xD34D， 项目名称:device_amazon_otter， 代码行数:92， 代码来源:evtest.c
示例17: Gamepad_detectDevices
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