mirror of
https://github.com/libretro/RetroArch
synced 2025-04-01 04:20:27 +00:00
(udev_joypad.c) Get rid of some forward declarations
This commit is contained in:
twinaphex
parent
660641f328
commit
17a040e002
@ -159,116 +159,14 @@ static bool udev_hotplug_available(void)
|
|||||||
return (poll(&fds, 1, 0) == 1) && (fds.revents & POLLIN);
|
return (poll(&fds, 1, 0) == 1) && (fds.revents & POLLIN);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void udev_check_device(struct udev_device *dev, const char *path, bool hotplugged);
|
static int udev_find_vacant_pad(void)
|
||||||
|
|
||||||
static void udev_joypad_remove_device(const char *path);
|
|
||||||
|
|
||||||
static void udev_joypad_handle_hotplug(void)
|
|
||||||
{
|
|
||||||
struct udev_device *dev = udev_monitor_receive_device(g_udev_mon);
|
|
||||||
if (!dev)
|
|
||||||
return;
|
|
||||||
|
|
||||||
const char *val = udev_device_get_property_value(dev, "ID_INPUT_JOYSTICK");
|
|
||||||
const char *action = udev_device_get_action(dev);
|
|
||||||
const char *devnode = udev_device_get_devnode(dev);
|
|
||||||
|
|
||||||
if (!val || strcmp(val, "1") || !devnode)
|
|
||||||
goto end;
|
|
||||||
|
|
||||||
if (!strcmp(action, "add"))
|
|
||||||
{
|
|
||||||
RARCH_LOG("[udev]: Hotplug add: %s.\n", devnode);
|
|
||||||
udev_check_device(dev, devnode, true);
|
|
||||||
}
|
|
||||||
else if (!strcmp(action, "remove"))
|
|
||||||
{
|
|
||||||
RARCH_LOG("[udev]: Hotplug remove: %s.\n", devnode);
|
|
||||||
udev_joypad_remove_device(devnode);
|
|
||||||
}
|
|
||||||
|
|
||||||
end:
|
|
||||||
udev_device_unref(dev);
|
|
||||||
}
|
|
||||||
|
|
||||||
static bool udev_set_rumble(unsigned i, enum retro_rumble_effect effect, uint16_t strength)
|
|
||||||
{
|
|
||||||
int old_effect;
|
|
||||||
uint16_t old_strength;
|
|
||||||
struct udev_joypad *pad = (struct udev_joypad*)&udev_pads[i];
|
|
||||||
|
|
||||||
if (pad->fd < 0)
|
|
||||||
return false;
|
|
||||||
if (pad->num_effects < 2)
|
|
||||||
return false;
|
|
||||||
|
|
||||||
old_strength = pad->strength[effect];
|
|
||||||
if (old_strength == strength)
|
|
||||||
return true;
|
|
||||||
|
|
||||||
old_effect = pad->has_set_ff[effect] ? pad->effects[effect] : -1;
|
|
||||||
|
|
||||||
if (strength && strength != pad->configured_strength[effect])
|
|
||||||
{
|
|
||||||
/* Create new or update old playing state. */
|
|
||||||
struct ff_effect e;
|
|
||||||
|
|
||||||
memset(&e, 0, sizeof(e));
|
|
||||||
e.type = FF_RUMBLE;
|
|
||||||
e.id = old_effect;
|
|
||||||
|
|
||||||
switch (effect)
|
|
||||||
{
|
|
||||||
case RETRO_RUMBLE_STRONG:
|
|
||||||
e.u.rumble.strong_magnitude = strength;
|
|
||||||
break;
|
|
||||||
case RETRO_RUMBLE_WEAK:
|
|
||||||
e.u.rumble.weak_magnitude = strength;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (ioctl(pad->fd, EVIOCSFF, &e) < 0)
|
|
||||||
{
|
|
||||||
RARCH_ERR("Failed to set rumble effect on pad #%u.\n", i);
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
pad->effects[effect] = e.id;
|
|
||||||
pad->has_set_ff[effect] = true;
|
|
||||||
pad->configured_strength[effect] = strength;
|
|
||||||
}
|
|
||||||
pad->strength[effect] = strength;
|
|
||||||
|
|
||||||
/* It seems that we can update strength with EVIOCSFF atomically. */
|
|
||||||
if ((!!strength) != (!!old_strength))
|
|
||||||
{
|
|
||||||
struct input_event play = {{0}};
|
|
||||||
|
|
||||||
play.type = EV_FF;
|
|
||||||
play.code = pad->effects[effect];
|
|
||||||
play.value = !!strength;
|
|
||||||
|
|
||||||
if (write(pad->fd, &play, sizeof(play)) < (ssize_t)sizeof(play))
|
|
||||||
{
|
|
||||||
RARCH_ERR("[udev]: Failed to play rumble effect #%u on pad #%u.\n",
|
|
||||||
effect, i);
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void udev_joypad_poll(void)
|
|
||||||
{
|
{
|
||||||
unsigned i;
|
unsigned i;
|
||||||
while (udev_hotplug_available())
|
|
||||||
udev_joypad_handle_hotplug();
|
|
||||||
|
|
||||||
for (i = 0; i < MAX_USERS; i++)
|
for (i = 0; i < MAX_USERS; i++)
|
||||||
udev_poll_pad(&udev_pads[i], i);
|
if (udev_pads[i].fd < 0)
|
||||||
|
return i;
|
||||||
|
return -1;
|
||||||
}
|
}
|
||||||
|
|
||||||
#define test_bit(nr, addr) \
|
#define test_bit(nr, addr) \
|
||||||
@ -301,30 +199,6 @@ error:
|
|||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
|
|
||||||
static int udev_find_vacant_pad(void)
|
|
||||||
{
|
|
||||||
unsigned i;
|
|
||||||
|
|
||||||
for (i = 0; i < MAX_USERS; i++)
|
|
||||||
if (udev_pads[i].fd < 0)
|
|
||||||
return i;
|
|
||||||
return -1;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void udev_free_pad(unsigned pad, bool hotplug)
|
|
||||||
{
|
|
||||||
if (udev_pads[pad].fd >= 0)
|
|
||||||
close(udev_pads[pad].fd);
|
|
||||||
|
|
||||||
free(udev_pads[pad].path);
|
|
||||||
if (udev_pads[pad].ident)
|
|
||||||
*udev_pads[pad].ident = '\0';
|
|
||||||
|
|
||||||
memset(&udev_pads[pad], 0, sizeof(udev_pads[pad]));
|
|
||||||
|
|
||||||
udev_pads[pad].fd = -1;
|
|
||||||
}
|
|
||||||
|
|
||||||
static bool udev_add_pad(struct udev_device *dev, unsigned p, int fd, const char *path)
|
static bool udev_add_pad(struct udev_device *dev, unsigned p, int fd, const char *path)
|
||||||
{
|
{
|
||||||
int i;
|
int i;
|
||||||
@ -470,6 +344,20 @@ static void udev_check_device(struct udev_device *dev, const char *path, bool ho
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void udev_free_pad(unsigned pad, bool hotplug)
|
||||||
|
{
|
||||||
|
if (udev_pads[pad].fd >= 0)
|
||||||
|
close(udev_pads[pad].fd);
|
||||||
|
|
||||||
|
free(udev_pads[pad].path);
|
||||||
|
if (udev_pads[pad].ident)
|
||||||
|
*udev_pads[pad].ident = '\0';
|
||||||
|
|
||||||
|
memset(&udev_pads[pad], 0, sizeof(udev_pads[pad]));
|
||||||
|
|
||||||
|
udev_pads[pad].fd = -1;
|
||||||
|
}
|
||||||
|
|
||||||
static void udev_joypad_remove_device(const char *path)
|
static void udev_joypad_remove_device(const char *path)
|
||||||
{
|
{
|
||||||
unsigned i;
|
unsigned i;
|
||||||
@ -503,6 +391,115 @@ static void udev_joypad_destroy(void)
|
|||||||
g_udev = NULL;
|
g_udev = NULL;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void udev_joypad_handle_hotplug(void)
|
||||||
|
{
|
||||||
|
struct udev_device *dev = udev_monitor_receive_device(g_udev_mon);
|
||||||
|
if (!dev)
|
||||||
|
return;
|
||||||
|
|
||||||
|
const char *val = udev_device_get_property_value(dev, "ID_INPUT_JOYSTICK");
|
||||||
|
const char *action = udev_device_get_action(dev);
|
||||||
|
const char *devnode = udev_device_get_devnode(dev);
|
||||||
|
|
||||||
|
if (!val || strcmp(val, "1") || !devnode)
|
||||||
|
goto end;
|
||||||
|
|
||||||
|
if (!strcmp(action, "add"))
|
||||||
|
{
|
||||||
|
RARCH_LOG("[udev]: Hotplug add: %s.\n", devnode);
|
||||||
|
udev_check_device(dev, devnode, true);
|
||||||
|
}
|
||||||
|
else if (!strcmp(action, "remove"))
|
||||||
|
{
|
||||||
|
RARCH_LOG("[udev]: Hotplug remove: %s.\n", devnode);
|
||||||
|
udev_joypad_remove_device(devnode);
|
||||||
|
}
|
||||||
|
|
||||||
|
end:
|
||||||
|
udev_device_unref(dev);
|
||||||
|
}
|
||||||
|
|
||||||
|
static bool udev_set_rumble(unsigned i, enum retro_rumble_effect effect, uint16_t strength)
|
||||||
|
{
|
||||||
|
int old_effect;
|
||||||
|
uint16_t old_strength;
|
||||||
|
struct udev_joypad *pad = (struct udev_joypad*)&udev_pads[i];
|
||||||
|
|
||||||
|
if (pad->fd < 0)
|
||||||
|
return false;
|
||||||
|
if (pad->num_effects < 2)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
old_strength = pad->strength[effect];
|
||||||
|
if (old_strength == strength)
|
||||||
|
return true;
|
||||||
|
|
||||||
|
old_effect = pad->has_set_ff[effect] ? pad->effects[effect] : -1;
|
||||||
|
|
||||||
|
if (strength && strength != pad->configured_strength[effect])
|
||||||
|
{
|
||||||
|
/* Create new or update old playing state. */
|
||||||
|
struct ff_effect e;
|
||||||
|
|
||||||
|
memset(&e, 0, sizeof(e));
|
||||||
|
e.type = FF_RUMBLE;
|
||||||
|
e.id = old_effect;
|
||||||
|
|
||||||
|
switch (effect)
|
||||||
|
{
|
||||||
|
case RETRO_RUMBLE_STRONG:
|
||||||
|
e.u.rumble.strong_magnitude = strength;
|
||||||
|
break;
|
||||||
|
case RETRO_RUMBLE_WEAK:
|
||||||
|
e.u.rumble.weak_magnitude = strength;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (ioctl(pad->fd, EVIOCSFF, &e) < 0)
|
||||||
|
{
|
||||||
|
RARCH_ERR("Failed to set rumble effect on pad #%u.\n", i);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
pad->effects[effect] = e.id;
|
||||||
|
pad->has_set_ff[effect] = true;
|
||||||
|
pad->configured_strength[effect] = strength;
|
||||||
|
}
|
||||||
|
pad->strength[effect] = strength;
|
||||||
|
|
||||||
|
/* It seems that we can update strength with EVIOCSFF atomically. */
|
||||||
|
if ((!!strength) != (!!old_strength))
|
||||||
|
{
|
||||||
|
struct input_event play = {{0}};
|
||||||
|
|
||||||
|
play.type = EV_FF;
|
||||||
|
play.code = pad->effects[effect];
|
||||||
|
play.value = !!strength;
|
||||||
|
|
||||||
|
if (write(pad->fd, &play, sizeof(play)) < (ssize_t)sizeof(play))
|
||||||
|
{
|
||||||
|
RARCH_ERR("[udev]: Failed to play rumble effect #%u on pad #%u.\n",
|
||||||
|
effect, i);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void udev_joypad_poll(void)
|
||||||
|
{
|
||||||
|
unsigned i;
|
||||||
|
while (udev_hotplug_available())
|
||||||
|
udev_joypad_handle_hotplug();
|
||||||
|
|
||||||
|
for (i = 0; i < MAX_USERS; i++)
|
||||||
|
udev_poll_pad(&udev_pads[i], i);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
static bool udev_joypad_init(void *data)
|
static bool udev_joypad_init(void *data)
|
||||||
{
|
{
|
||||||
unsigned i;
|
unsigned i;
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user