# endif
# endif
-static int hatmap_x[9] = { 0, 0, 1, 1, 1, 0, -1, -1, -1 };
-static int hatmap_y[9] = { 0, 1, 1, 0, -1, -1, -1, 0, 1 };
struct os_specific_s {
char fname [128 ];
int fd;
# define UHIDDEV "/dev/uhid"
# define AJSDEV "/dev/joy"
-# ifdef HAVE_USB_JS
-/*
- * fghJoystickFindUSBdev (and its helper, fghJoystickWalkUSBdev) try to locate
- * the full name of a USB device. If /dev/usbN isn't readable, we punt and
- * return the uhidN device name. We warn the user of this situation once.
- */
-static char *fghJoystickWalkUSBdev(int f, char *dev, char *out, int outlen)
-{
- struct usb_device_info di;
- int i, a;
- char *cp;
-
- for (a = 1; a < USB_MAX_DEVICES; a++) {
- di.udi_addr = a;
- if (ioctl(f, USB_DEVICEINFO, &di) != 0)
- return NULL;
- for (i = 0; i < USB_MAX_DEVNAMES; i++)
- if (di.udi_devnames[i][0] &&
- strcmp(di.udi_devnames[i], dev) == 0) {
- cp = calloc( 1, strlen(di.udi_vendor) + strlen(di.udi_product) + 2);
- strcpy(cp, di.udi_vendor);
- strcat(cp, " ");
- strcat(cp, di.udi_product);
- strncpy(out, cp, outlen - 1);
- out[outlen - 1] = 0;
- free( cp );
- return out;
- }
- }
- return NULL;
-}
-
-static int fghJoystickFindUSBdev(char *name, char *out, int outlen)
-{
- int i, f;
- char buf[50];
- char *cp;
- static int protection_warned = 0;
-
- for (i = 0; i < 16; i++) {
- snprintf(buf, sizeof(buf), "%s%d", USBDEV, i);
- f = open(buf, O_RDONLY);
- if (f >= 0) {
- cp = fghJoystickWalkUSBdev(f, name, out, outlen);
- close(f);
- if (cp)
- return 1;
- }
- else if (errno == EACCES) {
- if (!protection_warned) {
- fgWarning ( "Can't open %s for read!", buf );
- protection_warned = 1;
- }
- }
- }
- return 0;
-}
-static int fghJoystickInitializeHID(struct os_specific_s *os,
- int *num_axes, int *num_buttons)
-{
- int size, is_joystick;
-# ifdef HAVE_USBHID_H
- int report_id = 0;
-# endif
- struct hid_data *d;
- struct hid_item h;
- report_desc_t rd;
-
- if ( ( rd = hid_get_report_desc( os->fd ) ) == 0 )
- {
- fgWarning ( "error: %s: %s", os->fname, strerror( errno ) );
- return FALSE;
- }
-
- os->hids = NULL;
-
-# ifdef HAVE_USBHID_H
- if( ioctl( os->fd, USB_GET_REPORT_ID, &report_id ) < 0)
- {
- /*** XXX {report_id} may not be the right variable? ***/
- fgWarning ( "error: %s%d: %s", UHIDDEV, report_id, strerror( errno ) );
- return FALSE;
- }
-
- size = hid_report_size( rd, hid_input, report_id );
-# else
- size = hid_report_size( rd, 0, hid_input );
-# endif
- os->hid_data_buf = calloc( 1, size );
- os->hid_dlen = size;
-
- is_joystick = 0;
-# ifdef HAVE_USBHID_H
- d = hid_start_parse( rd, 1 << hid_input, report_id );
-# else
- d = hid_start_parse( rd, 1 << hid_input );
-# endif
- while( hid_get_item( d, &h ) )
- {
- int usage, page, interesting_hid;
-
- page = HID_PAGE( h.usage );
- usage = HID_USAGE( h.usage );
-
- /* This test is somewhat too simplistic, but this is how MicroSoft
- * does, so I guess it works for all joysticks/game pads. */
- is_joystick = is_joystick ||
- ( h.kind == hid_collection &&
- page == HUP_GENERIC_DESKTOP &&
- ( usage == HUG_JOYSTICK || usage == HUG_GAME_PAD ) );
-
- if( h.kind != hid_input )
- continue;
-
- if( !is_joystick )
- continue;
-
- interesting_hid = TRUE;
- if( page == HUP_GENERIC_DESKTOP )
- {
- switch( usage )
- {
- case HUG_X:
- case HUG_RX:
- case HUG_Y:
- case HUG_RY:
- case HUG_Z:
- case HUG_RZ:
- case HUG_SLIDER:
- if( *num_axes < _JS_MAX_AXES )
- {
- os->axes_usage[ *num_axes ] = usage;
- ( *num_axes )++;
- }
- break;
- case HUG_HAT_SWITCH:
- /* Allocate two axes for a hat */
- if( *num_axes + 1 < _JS_MAX_AXES )
- {
- os->axes_usage[ *num_axes ] = usage;
- (*num_axes)++;
- os->axes_usage[ *num_axes ] = usage;
- (*num_axes)++;
- }
- break;
- default:
- interesting_hid = FALSE;
- break;
- }
- }
- else if( page == HUP_BUTTON )
- {
- interesting_hid = ( usage > 0 ) &&
- ( usage <= _JS_MAX_BUTTONS );
-
- if( interesting_hid && usage - 1 > *num_buttons )
- *num_buttons = usage - 1;
- }
-
- if( interesting_hid )
- {
- h.next = os->hids;
- os->hids = calloc( 1, sizeof ( struct hid_item ) );
- *os->hids = h;
- }
- }
- hid_end_parse( d );
-
- return os->hids != NULL;
-}
-# endif
#endif
/*
projects / freeglut / blobdiff