doc++, ménage.
[minwii.git] / src / pywiiuse / pygame_wiimouse.py
1 # -*- coding: utf-8 -*-
2 '''
3 wiimote -> mouse interface
4 $Id$
5 $URL$
6 '''
7
8 import pygame
9 from threading import Thread
10 from Queue import Queue, Empty
11 import time
12
13 # events to use. Is there a way to get ones known to be unused?
14
15
16 wiiuse = None # import within the thread, why do I have to do this?
17
18 class wiimote_thread(Thread):
19 '''Manage the wiiuse interface'''
20 def __init__(self, nmotes=1, timeout=5):
21 Thread.__init__(self, name='wiimote')
22 self.queue = Queue()
23 self.startup = Queue()
24 self.nmotes = nmotes
25 self.timeout = timeout
26 self.setDaemon(1)
27 self._paused = False
28 self.start()
29 self.startup.get(True) # wait for the thread to get started and acquire the motes
30
31 def run(self):
32 '''This runs in a separate thread'''
33 global wiiuse
34 import PyWiiUse as wiiuse # import here to avoid thread problems on windows
35 self.wiimotes = wiiuse.init(self.nmotes)
36 found = wiiuse.find(self.wiimotes, self.nmotes, self.timeout)
37 self.actual_nmotes = wiiuse.connect(self.wiimotes, self.nmotes)
38
39
40 for i in range(self.nmotes):
41 wiiuse.set_leds(self.wiimotes[i], wiiuse.LED[i])
42
43 self.go = self.actual_nmotes != 0
44
45 self.startup.put(self.go)
46
47 while self.go:
48 if self._paused : continue
49 try :
50 if wiiuse.poll(self.wiimotes, self.nmotes) :
51 for i in range(self.nmotes):
52 m = self.wiimotes[i]
53 if m[0].event == wiiuse.EVENT:
54 self.event_cb(m)
55 except :
56 pass
57
58 while True:
59 try:
60 func, args = self.queue.get_nowait()
61 except Empty:
62 break
63 print 'do:', func.__name__, args
64 func(*args)
65
66 def pause(self) :
67 self._paused = True
68
69 def resume(self) :
70 self._paused = False
71
72 def do(self, func, *args):
73 '''Run the function in the thread handling the wiimote'''
74 self.queue.put((func, args))
75
76 def event_cb(self, wmp):
77 '''Called when the library has some data for the user.'''
78 wm = wmp[0]
79 pygame.mouse.set_pos((wm.ir.x, wm.ir.y))
80
81 def control_cb(self, wmp, attachment, speaker, ir, led, battery):
82 '''Could check the battery level and such here'''
83 pygame.event.post(pygame.event.Event(WIIMOTE_STATUS,
84 attachment=attachment,
85 speaker=speaker,
86 ir=ir,
87 led=[led[i] for i in range(4)],
88 battery=battery,
89 id=wmp[0].unid))
90
91 def disconnect_cb(self, wmp):
92 '''What should we do here?'''
93 pygame.event.post(pygame.event.Event(WIIMOTE_DISCONNECT,
94 id=wmp[0].unid))
95
96 def quit(self):
97 '''Go away.'''
98 for i in range(self.nmotes):
99 wiiuse.set_leds(self.wiimotes[i], 0)
100 wiiuse.disconnect(self.wiimotes[i])
101 self.go = False
102
103 WT = None
104
105 def init(nmotes, timeout):
106 '''Initialize the module.'''
107 global WT
108 if WT:
109 return
110 WT = wiimote_thread(nmotes, timeout)
111
112 def get_count():
113 '''How many Wiimotes were found?'''
114 return WT.actual_nmotes
115
116 def quit():
117 '''Gracefully shutdown the connection and turn off the wiimote leds'''
118 WT.quit()
119 WT.join()
120
121 class wiimote(object):
122 '''Object representing a Wiimote'''
123 def __init__(self, n):
124 self.wm = WT.wiimotes[n]
125
126 def enable_leds(self, m):
127 '''Control leds. The lower 4 bits map to the 4 leds'''
128 WT.do(wiiuse.set_leds, self.wm, sum([wiiuse.LED[i] for i in range(4) if m & (1<<i)]))
129
130 def enable_rumble(self, on):
131 '''Control rumble'''
132 WT.do(wiiuse.rumble, self.wm, on)
133
134 def enable_accels(self, on):
135 '''Control reporting of accelerometer data.'''
136 WT.do(wiiuse.motion_sensing, self.wm, on)
137
138 def enable_ir(self, on, vres=None, position=None, aspect=None):
139 '''Control reporting IR data.'''
140 WT.do(wiiuse.set_ir, self.wm, on)
141 if vres is not None:
142 WT.do(wiiuse.set_ir_vres, self.wm, *vres)
143 if position is not None:
144 WT.do(wiiuse.set_ir_position, self.wm, position)
145 if aspect is not None:
146 WT.do(wiiuse.set_aspect_ratio, self.wm, aspect)
147
148 def set_flags(self, smoothing=None, continuous=None, threshold=None):
149 '''Set flags SMOOTHING, CONTINUOUS, ORIENT_THRESH'''
150 enable = disable = 0
151 if smoothing is not None:
152 if smoothing:
153 enable |= wiiuse.SMOOTHING
154 else:
155 disable |= wiiuse.SMOOTHING
156 if continuous is not None:
157 if continuous:
158 enable |= wiiuse.CONTINUOUS
159 else:
160 disable |= wiiuse.CONTINUOUS
161 if threshold is not None:
162 if threshold:
163 enable |= wiiuse.ORIENT_THRESH
164 else:
165 disable |= wiiuse.ORIENT_THRESH
166 print enable, disable
167 WT.do(wiiuse.set_flags, self.wm, enable, disable)
168
169 def set_orient_thresh(self, thresh):
170 '''Set orientation threshold'''
171 WT.do(wiiuse.set_orient_threshold, self.wm, thresh)
172
173 def status(self):
174 '''Trigger a status callback.'''
175 WT.do(wiiuse.status, self.wm)
176
177 def disconnect(self):
178 '''Disconnect this Wiimote'''
179 WT.do(wiiuse.disconnect(self.wm))
180
181 def Wiimote(n):
182 '''Get the object for the nth Wiimote'''
183 return wiimote(n)
184