X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ffg_joystick.c;h=b24476aa35fed26785fc660259727bab528b1ee7;hb=02a9fcfd3f42be8ba441894355ff06cfc94ef8a2;hp=b73d7e7b8fcfea7841efaefe6b12eecad11c7380;hpb=5a824fe96544516c5f98f18c6ca401de33e5be88;p=freeglut diff --git a/src/fg_joystick.c b/src/fg_joystick.c index b73d7e7..b24476a 100644 --- a/src/fg_joystick.c +++ b/src/fg_joystick.c @@ -40,238 +40,6 @@ #define JS_TRUE 1 #define JS_FALSE 0 -/* BSD defines from "jsBSD.cxx" around lines 42-270 */ - -#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - -# ifdef HAVE_USB_JS -# if defined(__NetBSD__) -# ifdef HAVE_USBHID_H -# include -# else -# include -# endif -# include -# elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) -# ifdef HAVE_USBHID_H -# include -# else -# include -# endif -# include -# endif -# include - -/* Compatibility with older usb.h revisions */ -# if !defined(USB_MAX_DEVNAMES) && defined(MAXDEVNAMES) -# define USB_MAX_DEVNAMES MAXDEVNAMES -# 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; - int is_analog; - /* The following structure members are specific to analog joysticks */ - struct joystick ajs; -# ifdef HAVE_USB_JS - /* The following structure members are specific to USB joysticks */ - struct hid_item *hids; - int hid_dlen; - int hid_offset; - char *hid_data_buf; - int axes_usage [ _JS_MAX_AXES ]; -# endif - /* We keep button and axes state ourselves, as they might not be updated - * on every read of a USB device - */ - int cache_buttons; - float cache_axes [ _JS_MAX_AXES ]; -}; - -/* Idents lower than USB_IDENT_OFFSET are for analog joysticks. */ -# define USB_IDENT_OFFSET 2 - -# define USBDEV "/dev/usb" -# 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 - /* * Functions associated with the "jsJoystick" class in PLIB */ @@ -581,7 +349,7 @@ void fgPlatformJoystickRawRead( SFG_Joystick* joy, int* buttons, float* axes ) void fgPlatformJoystickOpen( SFG_Joystick* joy ) { - int i = 0; + int i = 0; OSStatus err; /* XXX FIXME: get joystick name in Mac */ @@ -856,7 +624,7 @@ static void fghJoystickOpen( SFG_Joystick* joy ) joy->num_axes = joy->num_buttons = 0; joy->name[ 0 ] = '\0'; - fgPlatformJoystickOpen ( joy ); + fgPlatformJoystickOpen ( joy ); } @@ -878,7 +646,7 @@ static void fghJoystickInit( int ident ) fgJoystick[ ident ]->num_axes = fgJoystick[ ident ]->num_buttons = 0; fgJoystick[ ident ]->error = GL_TRUE; - fgPlatformJoystickInit( fgJoystick, ident ); + fgPlatformJoystickInit( fgJoystick, ident ); fghJoystickOpen( fgJoystick[ ident ] ); } @@ -906,7 +674,7 @@ void fgJoystickClose( void ) { if( fgJoystick[ ident ] ) { - fgPlatformJoystickClose ( ident ); + fgPlatformJoystickClose ( ident ); free( fgJoystick[ ident ] ); fgJoystick[ ident ] = NULL;