aboutsummaryrefslogtreecommitdiff
path: root/TODO
blob: f3e32e2bd46071820c7daa49d6c70e650caa3ec8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275

______________________________________________________________________________
- switch to snprintf

in hid_darwin.c, replace all sprintf()s with snprintf()s.

______________________________________________________________________________
- deal with hatswitches!!

Because of the currnently implementation of the conversion of the MacOS X
style event to the Linux style event, an event with a value of zero is output
on the unchanged axis when the hatswitch is moved in along the X or Y axis (as
opposed to diagonally). but this might be fixed...

- fix up hatswitch logic... hmmm
  on Mac OS X, just make the next element in the array always be the Y axis of
  the hatswitch, then when receiving a hatswitch event, output, increment,
  then output again (yes, its a hack).

- what do standard hatswitches output on the various platforms?  they should
  probably always output like axes, but then the CUI will be screwed


______________________________________________________________________________
= fix key names on Mac OS X

I think they are unimplemented... :-(

______________________________________________________________________________
= array lookups for symbols

implementation idea #2:

this array should be built by hid_build_elements_list().  Then each time it
fetches an event using the element_pointer array, it would also get the stored
usage_page and usage symbols, and instance t_float.  So I need to make an
element struct like:

struct _hid_element
{
		  void *element;
		  t_symbol *type; // HID "usage page"
		  t_symbol *usage; // Linux "code"
		  t_float instance;
		  t_float previous_value; //only output on change on abs and buttons
} t_hid_element;

For Linux input.h, instead void *element, store the type and code numbers to
compare against


______________________________________________________________________________
= make only the first executed instance fetch the data

 the function is ugen_getsortno() -- returns
an integer which increases eachtime DSP is restarted.  You can add the
function call (to the ugen chain for instance) each time you see
ugen_getsortno() return an integer greater than the previous one you've

______________________________________________________________________________
= output one value per poll

- for relative axes, sum up all events and output one
http://lists.apple.com/archives/mac-games-dev/2005/Oct/msg00060.html

- current method only works for instances in the same patch...

______________________________________________________________________________
= [poll 1( message set to exact delay based on block size

to eliminate the jitter of the messages being processed every block, have
[poll 1( set the time to the poll size (~1.5ms for 44,100)

______________________________________________________________________________
= iterate through elements and do a proper queue of the ones we want:

- also, label multiple instances of the same usage

http://mud.5341.com/msg/8455.html


______________________________________________________________________________
= make second inlet for specific status requests [human->pd])

- [vendor(, [product(
- [range(
- [poll(
- [name(
- [type(

______________________________________________________________________________
= output device data on open

- Logical Min/Max i.e. [range -127 127(
- device string  [name Trackpad( 

______________________________________________________________________________
= get tablets working on Mac OS X

http://www.versiontracker.com/php/feedback/article.php?story=20051221163326829

http://www.wacom-europe.com/forum/topic.asp?TOPIC_ID=2719&ARCHIVE=

______________________________________________________________________________
= block devices like mice/keyboards etc from outputting

at least document the procedure needed

Mac OS X:
http://lists.apple.com/archives/usb/2005/Aug/msg00068.html



______________________________________________________________________________
= open devices by name

i.e "Trackpad" a la Max's [hi]


______________________________________________________________________________
= 
= autoscaling based on Logical min/max

- this is probably essential for input, the question is how to find out what
  the data range is easily.

- output would be handy, rather than autoscale, to save on CPU

- this should probably be done in Pd space

______________________________________________________________________________
= test verbose names

- matju says symbols are compared by pointer, so they are fast

- try verbose names like:
  		syn = sync
		snd = sound
		msc = misc
		rep = repeat
		pwr = power

- maybe these too
		abs = absolute
		rel = relative
		btn = button

- maybe make the type the full name, with the code using the abbreviation

- change generic ev_9 to type_9

- change word "code" to "element"


______________________________________________________________________________
= event name changes

- make key/button Type "button" rather than "key" (undecided on this one)


______________________________________________________________________________
= hid/serial

- open/close status outlet

- [send ( to send data

- [tgl] 1/0 for open/close


______________________________________________________________________________
= linux input synch events (EV_SYN)

- these seem to be generated by the Linux kernel, so they probably don't fit
  in with the [hid] scheme.  Probably the best thing is to ditch them, or
  figure out whether they should be used in controlling the flow of event
  data, as they are intended.


______________________________________________________________________________
= writing support!

- Linux example: http://www.linuxjournal.com/article/6429


______________________________________________________________________________
= profile [hid] object and usage

- find out if [autoscale] takes a lot of CPU power, or where in [hid] is using
  CPU where it doesn't have to be


______________________________________________________________________________
= Report available FF effects

- check against HID Utilities Source/PID.h


______________________________________________________________________________
= pollfn for mouse-like devices

- determine whether using a pollfn is actually better than using a t_clock

- any device that acts like a system mouse can be used with a pollfn, since
  the mouse data will go thru Pd's network port, triggering the pollfn.

- this is probably unnecessary since the t_clock seems to run well at 1ms delay

- at standard block size (64 samples), one block = ~1.5ms


______________________________________________________________________________
= check out using USB timestamp 

- use the USB timestamp to correctly space the output data 

(meh, probably not useful)



 /----------------------------------------------------------------------------\
------------------------------------------------------------------------------
   BUGS BUGS BUGS BUGS BUGS BUGS BUGS BUGS BUGS BUGS BUGS BUGS BUGS BUGS BUGS 
------------------------------------------------------------------------------
 \----------------------------------------------------------------------------/

______________________________________________________________________________
- BUG: crashes when you try yo open "mouse" with no args


______________________________________________________________________________
- BUG: on Mac OS X, polling starts without hid_build_device_list() or hid_open()

- when polling starts, hid_build_device_list() should be called before starting


______________________________________________________________________________
- BUG: figure out how to prevent segfaults on mismapped devices/elements

- it should gracefully ignore things where it currently segfaults

- looks like its in build_device_list

______________________________________________________________________________
- BUG: multiple instances pointing to the same device don't have seperate close/free

- closing the device on one instance closing that same device on all other
  instances of [hid]

- deleting that instance also closes the device for all other instances
  pointing to that same device


______________________________________________________________________________
- BUG: getting events from the queue doesn't output a 0 value event when the
  motion stops, so when the mouse stops, the sound keeps playing.

This is probably only a problem on relative axes.

  This will probably have to be implemented on a platform-specific level:  

  - On Darwin/MacOSX, I think that the HIDGetEvent() loop will have to be
    followed by one call to HIDGetElementValue()



______________________________________________________________________________
- BUG: on MacOS X, two keyboard key codes are reported as hatswitches

  abs   abs_hat0x       Button Input, Keyboard Usage 0x39
  abs   abs_hat0y       Button Input, Keyboard Usage 0x39

I am pretty sure this is just a hid_print_element_list() display problem.