Lines Matching +full:x +full:- +full:axis

1 .. _joystick-api:
7 :Author: Ragnar Hojland Espinosa <ragnar@macula.net> - 7 Aug 1998
18 driver now reports only any changes of its state. See joystick-api.txt,
23 For backward compatibility the old (v0.x) interface is still included.
57 		__u8 number;    /* axis/button number */
65 -------------
86 ---------------
88 The values of ``number`` correspond to the axis or button that
90 is, you have both an axis 0 and a button 0). Generally,
93 	Axis		number
95 	1st Axis X	0
96 	1st Axis Y	1
97 	2nd Axis X	2
98 	2nd Axis Y	3
108 --------------
110 For an axis, ``value`` is a signed integer between -32767 and +32767
111 representing the position of the joystick along that axis. If you
141 -------------
145 task of detecting double clicks, figuring out if movement of axis and button
161 	b) open the device in non-blocking mode (O_NONBLOCK)
165 ----------
167 If read returns -1 when reading in O_NONBLOCK mode, this isn't
170 all events on the queue (that is, until you get a -1).
219 In this case, read would return -1 if the queue was empty, or some
245 -------------
247 JSIOGCVERSION is a good way to check in run-time whether the running
249 IOCTL will fail. For a compile-time decision, you can test the
257 ----------
259 JSIOCGNAME(len) allows you to get the name string of the joystick - the same
271 -------------
299 The 0.x joystick driver API is quite limited and its usage is deprecated.
315 		int x;          /* immediate x axis value */
316 		int y;          /* immediate y axis value */
330 The axis values do not have a defined range in the original 0.x driver,
331 except that the values are non-negative. The 1.2.8+ drivers use a