mirror of
https://github.com/RaySollium99/libpicofe.git
synced 2025-09-05 06:47:45 -04:00
gamepad suppord (fake d-pad digital btns) for input layer
git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@629 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
bc0420cd98
commit
86883f7f8a
2 changed files with 146 additions and 39 deletions
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@ -11,7 +11,6 @@ typedef struct
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void *drv_data;
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char *name;
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int *binds;
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int prev_result;
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int probed:1;
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} in_dev_t;
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@ -156,18 +155,11 @@ int in_update(void)
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for (i = 0; i < in_dev_count; i++) {
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in_dev_t *dev = &in_devices[i];
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int ret;
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if (dev->probed && dev->binds != NULL) {
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switch (dev->drv_id) {
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#ifdef IN_EVDEV
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case IN_DRVID_EVDEV:
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ret = in_evdev_update(dev->drv_data, dev->binds);
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if (ret == -1) /* no change */
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result |= dev->prev_result;
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else {
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dev->prev_result = ret;
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result |= ret;
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}
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result |= in_evdev_update(dev->drv_data, dev->binds);
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break;
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#endif
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}
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@ -199,7 +191,6 @@ void in_set_blocking(int is_blocking)
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for (i = 0; i < in_dev_count; i++) {
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if (in_devices[i].probed)
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DRV(in_devices[i].drv_id).set_blocking(in_devices[i].drv_data, is_blocking);
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in_devices[i].prev_result = 0;
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}
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menu_key_state = 0;
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166
linux/in_evdev.c
166
linux/in_evdev.c
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@ -1,4 +1,5 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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@ -12,9 +13,23 @@
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#include "../common/input.h"
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#include "in_evdev.h"
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typedef struct {
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int fd;
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int prev_update;
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int abs_lzone;
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int abs_rzone;
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int abs_tzone;
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int abs_bzone;
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int abs_lastx;
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int abs_lasty;
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} in_evdev_t;
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#define KEYBITS_BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \
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(1 << ((x) & (sizeof(keybits[0])*8-1))))
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#define KEYBITS_BIT_SET(x) (keybits[(x)/sizeof(keybits[0])/8] |= \
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(1 << ((x) & (sizeof(keybits[0])*8-1))))
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static const char * const in_evdev_prefix = "evdev:";
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static const char * const in_evdev_keys[KEY_MAX + 1] = {
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[0 ... KEY_MAX] = NULL,
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@ -109,8 +124,10 @@ static void in_evdev_probe(void)
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for (i = 0;; i++)
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{
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int u, ret, fd, keybits[(KEY_MAX+1)/sizeof(int)];
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int keybits[(KEY_MAX+1)/sizeof(int)], absbits[(ABS_MAX+1)/sizeof(int)];
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int support = 0, count = 0;
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in_evdev_t *dev;
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int u, ret, fd;
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char name[64];
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snprintf(name, sizeof(name), "/dev/input/event%d", i);
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@ -143,11 +160,42 @@ static void in_evdev_probe(void)
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if (count == 0)
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goto skip;
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dev = calloc(1, sizeof(*dev));
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if (dev == NULL)
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goto skip;
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/* check for abs too */
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if (support & (1 << EV_ABS)) {
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struct input_absinfo ainfo;
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int dist;
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ret = ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits);
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if (ret == -1)
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goto no_abs;
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if (absbits[0] & (1 << ABS_X)) {
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ret = ioctl(fd, EVIOCGABS(ABS_X), &ainfo);
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if (ret == -1)
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goto no_abs;
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dist = ainfo.maximum - ainfo.minimum;
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dev->abs_lzone = ainfo.minimum + dist / 4;
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dev->abs_rzone = ainfo.maximum - dist / 4;
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}
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if (absbits[0] & (1 << ABS_Y)) {
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ret = ioctl(fd, EVIOCGABS(ABS_Y), &ainfo);
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if (ret == -1)
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goto no_abs;
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dist = ainfo.maximum - ainfo.minimum;
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dev->abs_tzone = ainfo.minimum + dist / 4;
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dev->abs_bzone = ainfo.maximum - dist / 4;
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}
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}
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no_abs:
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dev->fd = fd;
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strcpy(name, in_evdev_prefix);
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ioctl(fd, EVIOCGNAME(sizeof(name)-6), name+6);
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printf("in_evdev: found \"%s\" with %d events (type %08x)\n",
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name+6, count, support);
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in_register(name, IN_DRVID_EVDEV, (void *)fd);
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in_register(name, IN_DRVID_EVDEV, dev);
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continue;
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skip:
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@ -157,7 +205,11 @@ skip:
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static void in_evdev_free(void *drv_data)
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{
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close((int)drv_data);
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in_evdev_t *dev = drv_data;
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if (dev == NULL)
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return;
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close(dev->fd);
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free(dev);
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}
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static int in_evdev_get_bind_count(void)
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@ -165,18 +217,18 @@ static int in_evdev_get_bind_count(void)
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return KEY_MAX + 1;
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}
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/* returns bitfield of active binds or -1 if nothing
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* changed from previous time */
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/* returns bitfield of binds of pressed buttons */
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int in_evdev_update(void *drv_data, int *binds)
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{
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struct input_event ev[16];
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struct input_absinfo ainfo;
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int keybits[(KEY_MAX+1)/sizeof(int)];
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int fd = (int)drv_data;
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in_evdev_t *dev = drv_data;
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int result = 0, changed = 0;
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int rd, ret, u;
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while (1) {
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rd = read(fd, ev, sizeof(ev));
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rd = read(dev->fd, ev, sizeof(ev));
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if (rd < (int)sizeof(ev[0])) {
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if (errno != EAGAIN)
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perror("in_evdev: read failed");
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@ -187,9 +239,9 @@ int in_evdev_update(void *drv_data, int *binds)
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}
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if (!changed)
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return -1;
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return dev->prev_update;
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ret = ioctl(fd, EVIOCGKEY(sizeof(keybits)), keybits);
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ret = ioctl(dev->fd, EVIOCGKEY(sizeof(keybits)), keybits);
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if (ret == -1) {
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perror("in_evdev: ioctl failed");
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return 0;
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@ -201,15 +253,35 @@ int in_evdev_update(void *drv_data, int *binds)
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}
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}
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/* map X and Y absolute to UDLR */
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if (dev->abs_lzone != 0) {
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ret = ioctl(dev->fd, EVIOCGABS(ABS_X), &ainfo);
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if (ret != -1) {
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if (ainfo.value < dev->abs_lzone) result |= binds[KEY_LEFT];
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if (ainfo.value > dev->abs_rzone) result |= binds[KEY_RIGHT];
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}
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}
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if (dev->abs_tzone != 0) {
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ret = ioctl(dev->fd, EVIOCGABS(ABS_Y), &ainfo);
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if (ret != -1) {
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if (ainfo.value < dev->abs_tzone) result |= binds[KEY_UP];
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if (ainfo.value > dev->abs_bzone) result |= binds[KEY_DOWN];
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}
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}
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dev->prev_update = result;
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return result;
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}
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static void in_evdev_set_blocking(void *data, int y)
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static void in_evdev_set_blocking(void *drv_data, int y)
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{
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in_evdev_t *dev = drv_data;
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long flags;
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int ret;
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flags = (long)fcntl((int)data, F_GETFL);
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dev->prev_update = 0;
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flags = (long)fcntl(dev->fd, F_GETFL);
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if ((int)flags == -1) {
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perror("in_evdev: F_GETFL fcntl failed");
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return;
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@ -218,14 +290,14 @@ static void in_evdev_set_blocking(void *data, int y)
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flags &= ~O_NONBLOCK;
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else
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flags |= O_NONBLOCK;
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ret = fcntl((int)data, F_SETFL, flags);
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ret = fcntl(dev->fd, F_SETFL, flags);
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if (ret == -1)
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perror("in_evdev: F_SETFL fcntl failed");
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}
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int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down, int timeout_ms)
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{
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const int *fds = (const int *)data;
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in_evdev_t **devs = (in_evdev_t **)data;
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struct timeval tv, *timeout = NULL;
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int i, fdmax = -1;
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@ -239,17 +311,18 @@ int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down, i
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*is_down = 0;
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for (i = 0; i < dcount; i++)
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if (fds[i] > fdmax) fdmax = fds[i];
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if (devs[i]->fd > fdmax) fdmax = devs[i]->fd;
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while (1)
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{
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struct input_event ev[64];
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int ret, fd = -1, rd;
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in_evdev_t *dev = NULL;
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int ret, rd;
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fd_set fdset;
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FD_ZERO(&fdset);
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for (i = 0; i < dcount; i++)
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FD_SET(fds[i], &fdset);
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FD_SET(devs[i]->fd, &fdset);
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ret = select(fdmax + 1, &fdset, NULL, NULL, timeout);
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if (ret == -1)
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@ -263,10 +336,10 @@ int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down, i
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return 0; /* timeout */
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for (i = 0; i < dcount; i++)
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if (FD_ISSET(fds[i], &fdset))
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*which = i, fd = fds[i];
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if (FD_ISSET(devs[i]->fd, &fdset))
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*which = i, dev = devs[i];
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rd = read(fd, ev, sizeof(ev[0]) * 64);
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rd = read(dev->fd, ev, sizeof(ev[0]) * 64);
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if (rd < (int) sizeof(ev[0])) {
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perror("in_evdev: error reading");
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sleep(1);
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@ -275,13 +348,44 @@ int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down, i
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for (i = 0; i < rd / sizeof(ev[0]); i++)
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{
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if (ev[i].type != EV_KEY || ev[i].value < 0 || ev[i].value > 1)
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if (ev[i].type == EV_KEY) {
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if (ev[i].value < 0 || ev[i].value > 1)
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continue;
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if (is_down != NULL)
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*is_down = ev[i].value;
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return ev[i].code;
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}
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else if (ev[i].type == EV_ABS)
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{
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int down = 0;
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if (dev->abs_lzone != 0 && ev[i].code == ABS_X) {
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if (ev[i].value < dev->abs_lzone) {
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down = 1;
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dev->abs_lastx = KEY_LEFT;
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}
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else if (ev[i].value > dev->abs_rzone) {
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down = 1;
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dev->abs_lastx = KEY_RIGHT;
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}
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if (is_down != NULL)
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*is_down = down;
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return dev->abs_lastx;
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}
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if (dev->abs_tzone != 0 && ev[i].code == ABS_Y) {
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if (ev[i].value < dev->abs_tzone) {
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down = 1;
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dev->abs_lasty = KEY_UP;
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}
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else if (ev[i].value > dev->abs_bzone) {
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down = 1;
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dev->abs_lasty = KEY_DOWN;
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}
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if (is_down != NULL)
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*is_down = down;
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return dev->abs_lasty;
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}
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}
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}
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}
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}
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@ -293,8 +397,10 @@ static int in_evdev_menu_translate(int keycode)
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case KEY_DOWN: return PBTN_DOWN;
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case KEY_LEFT: return PBTN_LEFT;
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case KEY_RIGHT: return PBTN_RIGHT;
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case KEY_ENTER: return PBTN_EAST;
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case KEY_ESC: return PBTN_SOUTH;
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case KEY_ENTER:
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case BTN_TRIGGER: return PBTN_EAST;
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case KEY_ESC:
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case BTN_THUMB: return PBTN_SOUTH;
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default: return 0;
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}
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}
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@ -350,18 +456,28 @@ static void in_evdev_get_def_binds(int *binds)
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binds[in_evdev_def_binds[i].code] = 1 << in_evdev_def_binds[i].bit;
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}
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/* remove bad binds, count good ones */
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/* remove binds of missing keys, count remaining ones */
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static int in_evdev_clean_binds(void *drv_data, int *binds)
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{
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int keybits[(KEY_MAX+1)/sizeof(int)];
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in_evdev_t *dev = drv_data;
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int i, ret, count = 0;
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ret = ioctl((int)drv_data, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
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ret = ioctl(dev->fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
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if (ret == -1) {
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perror("in_evdev: ioctl failed");
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memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */
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}
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if (dev->abs_lzone != 0) {
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KEYBITS_BIT_SET(KEY_LEFT);
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KEYBITS_BIT_SET(KEY_RIGHT);
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}
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if (dev->abs_tzone != 0) {
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KEYBITS_BIT_SET(KEY_UP);
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KEYBITS_BIT_SET(KEY_DOWN);
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}
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for (i = 0; i < KEY_MAX + 1; i++) {
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if (!KEYBITS_BIT(i))
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binds[i] = binds[i + KEY_MAX + 1] = 0;
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