1 // vim:shiftwidth=2:expandtab
11 #include <linux/input.h>
18 static void init(void)
23 for (ifd = -1, i = 0; ; i++) {
24 snprintf(buff, sizeof(buff), "/dev/input/event%i", i);
25 ifd = open(buff, O_RDONLY | O_NONBLOCK);
29 ioctl(ifd, EVIOCGNAME(sizeof(buff)), buff);
31 if (strcasestr(buff, "gpio") != NULL)
37 printf("no input device\n");
44 { KEY_LEFT, GP2X_LEFT },
45 { KEY_RIGHT, GP2X_RIGHT },
47 { KEY_DOWN, GP2X_DOWN },
48 { KEY_PAGEUP, GP2X_Y },
51 { BTN_BASE2, GP2X_B },
52 { KEY_PAGEDOWN, GP2X_X },
53 { BTN_BASE3, GP2X_X },
55 { BTN_BASE4, GP2X_A },
56 { KEY_RIGHTSHIFT, GP2X_L },
58 { KEY_RIGHTCTRL, GP2X_R },
60 { KEY_LEFTALT, GP2X_START },
61 { BTN_START, GP2X_START },
62 { KEY_LEFTCTRL, GP2X_SELECT },
63 { BTN_SELECT, GP2X_SELECT },
66 int host_read_btns(void)
68 struct input_event ev;
78 ret = read(ifd, &ev, sizeof(ev));
79 if (ret < (int) sizeof(ev)) {
80 if (errno != EAGAIN && errno != EWOULDBLOCK)
81 perror("evtest: read error");
86 if (ev.type != EV_KEY)
89 for (i = 0; i < sizeof(key_map) / sizeof(key_map[0]); i++) {
90 if (key_map[i].key != ev.code)
93 keystate |= (1 << key_map[i].btn);
95 keystate &= ~(1 << key_map[i].btn);