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renamed evdev

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@622 be3aeb3a-fb24-0410-a615-afba39da0efa
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notaz 2008-12-28 01:33:53 +00:00
parent e1f99f2b56
commit dabec19a3a
2 changed files with 0 additions and 0 deletions
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121
platform/linux/event.c
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@ -1,121 +0,0 @@
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <linux/input.h>
#include <errno.h>
#include "../common/input.h"
#include "event.h"
#define BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \
(1 << ((x) & (sizeof(keybits[0])*8-1))))
int in_evdev_probe(void)
{
int i;
for (i = 0;; i++)
{
int u, ret, fd, keybits[KEY_MAX/sizeof(int)];
int support = 0, count = 0;
char name[64];
snprintf(name, sizeof(name), "/dev/input/event%d", i);
fd = open(name, O_RDONLY|O_NONBLOCK);
if (fd == -1)
break;
/* check supported events */
ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support);
if (ret == -1) {
printf("in_evdev: ioctl failed on %s\n", name);
goto skip;
}
if (!(support & (1 << EV_KEY)))
goto skip;
ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
if (ret == -1) {
printf("in_evdev: ioctl failed on %s\n", name);
goto skip;
}
/* check for interesting keys */
for (u = 0; u < KEY_MAX; u++) {
if (BIT(u) && u != KEY_POWER && u != KEY_SLEEP)
count++;
}
if (count == 0)
goto skip;
strcpy(name, "evdev:");
ioctl(fd, EVIOCGNAME(sizeof(name)-6), name+6);
printf("in_evdev: found \"%s\" with %d events (type %08x)\n",
name+6, count, support);
in_register(name, IN_DRVID_EVDEV, (void *)fd);
continue;
skip:
close(fd);
}
return 0;
}
void in_evdev_free(void *drv_data)
{
close((int)drv_data);
}
int in_evdev_bind_count(void)
{
return 512;
}
int in_evdev_update(void *drv_data, int *binds)
{
struct input_event ev[16];
int keybits[KEY_MAX/sizeof(int)];
int fd = (int)drv_data;
int result = 0, changed = 0;
int rd, ret, u;
while (1) {
rd = read(fd, ev, sizeof(ev));
if (rd < (int)sizeof(ev[0])) {
if (errno != EAGAIN)
perror("in_evdev: read failed");
break;
}
changed = 1;
}
/*
if (!changed)
return 0;
*/
ret = ioctl(fd, EVIOCGKEY(sizeof(keybits)), keybits);
if (ret == -1) {
perror("in_evdev: ioctl failed");
return 0;
}
printf("#%d: ", fd);
for (u = 0; u < KEY_MAX; u++) {
if (BIT(u)) {
printf(" %d", u);
result |= binds[u];
}
}
printf("\n");
return result;
}