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
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393 | -- SPDX-License-Identifier: Apache-2.0
--
-- Copyright (c) 2021 onox <denkpadje@gmail.com>
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
with Interfaces.C;
with Ada.Command_Line;
with Ada.Text_IO;
with Event_Device.Force_Feedbacks;
procedure Info is
package ACL renames Ada.Command_Line;
EF : Event_Device.Input_Device;
Do_Rumble : constant Boolean :=
ACL.Argument_Count = 2 and then ACL.Argument (2) = "--ff=rumble";
Do_Periodic : constant Boolean :=
ACL.Argument_Count = 2 and then ACL.Argument (2) = "--ff=periodic";
Do_Read : constant Boolean :=
ACL.Argument_Count = 2 and then ACL.Argument (2) = "--read";
begin
if ACL.Argument_Count /= 1 and not (Do_Rumble or Do_Periodic or Do_Read) then
Ada.Text_IO.Put_Line ("Usage: <path to /dev/input/event*> [--read|--ff=rumble|periodic]");
ACL.Set_Exit_Status (ACL.Failure);
return;
end if;
if not EF.Open (ACL.Argument (1)) then
Ada.Text_IO.Put_Line ("Cannot open device " & ACL.Argument (1));
ACL.Set_Exit_Status (ACL.Failure);
return;
end if;
Ada.Text_IO.Put_Line ("Device name: '" & EF.Name & "'");
Ada.Text_IO.Put_Line ("Location: '" & EF.Location & "'");
Ada.Text_IO.Put_Line ("Uniq ID: '" & EF.Unique_ID & "'");
declare
ID : constant Event_Device.Device_ID := EF.ID;
Props : constant Event_Device.Device_Properties := EF.Properties;
Events : constant Event_Device.Device_Events := EF.Events;
ID_A : constant String := Event_Device.Hex_Image (ID.Bus);
ID_B : constant String := Event_Device.Hex_Image (ID.Vendor);
ID_C : constant String := Event_Device.Hex_Image (ID.Product);
ID_D : constant String := Event_Device.Hex_Image (ID.Version);
begin
Ada.Text_IO.Put_Line ("Bus ven pro ver: " &
ID_A & " " & ID_B & " " & ID_C & " " & ID_D);
Ada.Text_IO.Put_Line ("GUID: " & Event_Device.GUID (ID));
Ada.Text_IO.Put_Line ("Properties:");
Ada.Text_IO.Put_Line (" Pointer: " & Props.Pointer'Image);
Ada.Text_IO.Put_Line (" Direct: " & Props.Direct'Image);
Ada.Text_IO.Put_Line (" Button pad: " & Props.Button_Pad'Image);
Ada.Text_IO.Put_Line (" Semi mt: " & Props.Semi_Multi_Touch'Image);
Ada.Text_IO.Put_Line (" Top button pad: " & Props.Top_Button_Pad'Image);
Ada.Text_IO.Put_Line (" Pointing stick: " & Props.Pointing_Stick'Image);
Ada.Text_IO.Put_Line (" Accelerometer: " & Props.Accelerometer'Image);
Ada.Text_IO.Put_Line ("Events:");
Ada.Text_IO.Put_Line (" Synchronization: " & Events.Synchronization'Image);
if Events.Synchronization then
declare
Features : constant Event_Device.Synchronization_Features := EF.Features;
begin
for K in Event_Device.Synchronization_Kind'Range loop
if Features (K) then
Ada.Text_IO.Put_Line (" " & K'Image);
end if;
end loop;
end;
end if;
Ada.Text_IO.Put_Line (" Keys: " & Events.Keys'Image);
if Events.Keys then
declare
Features : constant Event_Device.Key_Features := EF.Features;
begin
for Code in Event_Device.Key_Code loop
if Features (Event_Device.Key_Code_Index (Code)) then
declare
Kind : constant Event_Device.Key_Kind := Event_Device.To_Key (Code);
use all type Event_Device.Key_Kind;
begin
if Kind /= Key_Unknown then
Ada.Text_IO.Put_Line (" " & Kind'Image);
else
Ada.Text_IO.Put_Line (" Unknown key code " & Code'Image);
end if;
end;
end if;
end loop;
end;
end if;
Ada.Text_IO.Put_Line (" Relative axes: " & Events.Relative_Axes'Image);
if Events.Relative_Axes then
declare
Features : constant Event_Device.Relative_Axis_Features := EF.Features;
begin
for K in Event_Device.Relative_Axis_Kind'Range loop
if Features (K) then
Ada.Text_IO.Put_Line (" " & K'Image);
end if;
end loop;
end;
end if;
Ada.Text_IO.Put_Line (" Absolute axes: " & Events.Absolute_Axes'Image);
if Events.Absolute_Axes then
declare
Features : constant Event_Device.Absolute_Axis_Features := EF.Features;
begin
for K in Event_Device.Absolute_Axis_Kind'Range loop
if Features (K) then
Ada.Text_IO.Put_Line (" " & K'Image);
end if;
end loop;
end;
end if;
Ada.Text_IO.Put_Line (" Miscellaneous: " & Events.Miscellaneous'Image);
if Events.Miscellaneous then
declare
Features : constant Event_Device.Miscellaneous_Features := EF.Features;
begin
for K in Event_Device.Miscellaneous_Kind'Range loop
if Features (K) then
Ada.Text_IO.Put_Line (" " & K'Image);
end if;
end loop;
end;
end if;
Ada.Text_IO.Put_Line (" Switches: " & Events.Switches'Image);
if Events.Switches then
declare
Features : constant Event_Device.Switch_Features := EF.Features;
begin
for K in Event_Device.Switch_Kind'Range loop
if Features (K) then
Ada.Text_IO.Put_Line (" " & K'Image);
end if;
end loop;
end;
end if;
Ada.Text_IO.Put_Line (" LEDs: " & Events.LEDs'Image);
if Events.LEDs then
declare
Features : constant Event_Device.LED_Features := EF.Features;
begin
for K in Event_Device.LED_Kind'Range loop
if Features (K) then
Ada.Text_IO.Put_Line (" " & K'Image);
end if;
end loop;
end;
end if;
Ada.Text_IO.Put_Line (" Sound: " & Events.Sound'Image);
if Events.Sound then
declare
Features : constant Event_Device.Sound_Features := EF.Features;
begin
for K in Event_Device.Sound_Kind'Range loop
if Features (K) then
Ada.Text_IO.Put_Line (" " & K'Image);
end if;
end loop;
end;
end if;
Ada.Text_IO.Put_Line (" Repeat: " & Events.Repeat'Image);
if Events.Repeat then
declare
Features : constant Event_Device.Repeat_Features := EF.Features;
begin
for K in Event_Device.Repeat_Kind'Range loop
if Features (K) then
Ada.Text_IO.Put_Line (" " & K'Image);
end if;
end loop;
end;
end if;
Ada.Text_IO.Put_Line (" Force-feedback: " & Events.Force_Feedback'Image);
if Events.Force_Feedback then
declare
Features : constant Event_Device.Force_Feedback_Features := EF.Features;
begin
for K in Event_Device.Force_Feedback_Kind'Range loop
if Features (K) then
Ada.Text_IO.Put_Line (" " & K'Image);
end if;
end loop;
end;
end if;
Ada.Text_IO.Put_Line (" Power: " & Events.Power'Image);
Ada.Text_IO.Put_Line (" Feedback Status: " & Events.Feedback_Status'Image);
if Events.Absolute_Axes then
Ada.Text_IO.Put_Line ("Axes:");
declare
Features : constant Event_Device.Absolute_Axis_Features := EF.Features;
begin
for Kind in Event_Device.Absolute_Axis_Kind'Range loop
if Features (Kind) then
declare
Axis : constant Event_Device.Axis_Info := EF.Axis (Kind);
begin
Ada.Text_IO.Put_Line (" " & Kind'Image & ":");
Ada.Text_IO.Put_Line (" Value: " & Axis.Value'Image);
Ada.Text_IO.Put_Line (" Minimum: " & Axis.Minimum'Image);
Ada.Text_IO.Put_Line (" Maximum: " & Axis.Maximum'Image);
Ada.Text_IO.Put_Line (" Fuzz: " & Axis.Fuzz'Image);
Ada.Text_IO.Put_Line (" Flat: " & Axis.Flat'Image);
Ada.Text_IO.Put_Line (" Resolution: " & Axis.Resolution'Image);
end;
end if;
end loop;
end;
end if;
end;
if EF.Events.Keys then
Ada.Text_IO.Put ("Pressed keys:");
declare
Key_Statuses : constant Event_Device.Key_Features := EF.Key_Statuses;
Pressed_Keys : constant Boolean := (for some Key of Key_Statuses => Key);
begin
if Pressed_Keys then
for K in Event_Device.Key_Kind'Range loop
if Key_Statuses (Event_Device.Key_Code_Index (Event_Device.To_Code (K))) then
Ada.Text_IO.Put (" " & K'Image);
end if;
end loop;
Ada.Text_IO.New_Line;
else
Ada.Text_IO.Put_Line (" none");
end if;
end;
end if;
Ada.Text_IO.Put_Line ("Force feedback effects: " & EF.Force_Feedback_Effects'Image);
if (Do_Rumble or Do_Periodic) and
(EF.Events.Force_Feedback and EF.Force_Feedback_Effects > 0)
then
declare
package FF renames Event_Device.Force_Feedbacks;
use all type FF.Force_Feedback_Effect_Kind;
use all type FF.Direction_Kind;
use type Event_Device.Force_Feedback_Effect_ID;
Effect_Rumble : constant FF.Force_Feedback_Effect :=
(Kind => Rumble,
ID => -1,
Direction => Down,
Trigger => (Button => 0,
Interval => FF.From_Duration (0.0)),
Replay => (Length => FF.From_Duration (8.0),
Start_Delay => FF.From_Duration (0.0)),
Effect =>
(Kind => Rumble,
Rumble_Effect => (Strong_Magnitude => 0,
Weak_Magnitude => Event_Device.Unsigned_16'Last)
));
Effect_Periodic : constant FF.Force_Feedback_Effect :=
(Kind => Periodic,
ID => -1,
Direction => Down,
Trigger => (Button => 0,
Interval => FF.From_Duration (0.0)),
Replay => (Length => FF.From_Duration (8.0),
Start_Delay => FF.From_Duration (0.0)),
Effect =>
(Kind => Periodic,
Periodic_Effect => (Waveform => FF.Sine,
Period => FF.From_Duration (1.0),
Magnitude => Interfaces.C.short'Last,
Offset => 0,
Phase => 0,
Envelope => (Attack_Length => FF.From_Duration (3.0),
Attack_Level => 0,
Fade_Length => FF.From_Duration (2.0),
Fade_Level => 0),
others => <>)
));
Effect : aliased FF.Force_Feedback_Effect :=
(if Do_Rumble then
Effect_Rumble
elsif Do_Periodic then
Effect_Periodic
else
raise Program_Error);
begin
EF.Set_Force_Feedback_Gain (1.0);
FF.Upload_Force_Feedback_Effect (EF, Effect);
Ada.Text_IO.Put_Line ("Uploaded effect " & Effect.ID'Image);
delay 0.5;
if EF.Play_Force_Feedback_Effect (Effect.ID, Count => 1) then
Ada.Text_IO.Put_Line ("Playing effect " & Effect.ID'Image &
" for " & FF.Image (Effect.Replay.Length));
else
Ada.Text_IO.Put_Line ("Failed playing effect " & Effect.ID'Image);
end if;
delay (if Do_Rumble then 2.0 elsif Do_Periodic then 8.0 else 0.0);
Ada.Text_IO.Put_Line ("Stopped playing effect");
FF.Remove_Force_Feedback_Effect (EF, Effect.ID);
Ada.Text_IO.Put_Line ("Removed effect " & Effect.ID'Image);
end;
end if;
if Do_Read and (EF.Events.Absolute_Axes or EF.Events.Relative_Axes or EF.Events.Keys) then
declare
Item : Event_Device.State;
Features : constant Event_Device.Absolute_Axis_Features := EF.Features;
Accelerometer : constant Boolean := EF.Properties.Accelerometer;
use all type Event_Device.Absolute_Axis_Kind;
use all type Event_Device.Key_State;
use all type Event_Device.Read_Result;
type Axis_Value is delta 2.0 ** (-16)
range -(2.0 ** 47) ..
+(2.0 ** 47 - 2.0 ** (-16));
begin
-- Set initial state of Item
if EF.Events.Absolute_Axes then
for Axis in Features'Range loop
if Features (Axis) then
Item.Absolute (Axis) := EF.Axis (Axis).Value;
end if;
end loop;
end if;
loop
exit when EF.Read (Item) /= OK;
if EF.Events.Absolute_Axes then
Ada.Text_IO.Put (Item.Time'Image);
for Axis in Features'Range loop
if Features (Axis) then
declare
Info : constant Event_Device.Axis_Info := EF.Axis (Axis);
Info_Range : constant Axis_Value :=
Axis_Value (Info.Maximum - Info.Minimum);
Value : Axis_Value := Axis_Value (Item.Absolute (Axis));
begin
Value := Value /
Axis_Value (if Info.Resolution > 0 then Info.Resolution else 1);
if not Accelerometer then
Value := (Value - Axis_Value (Info.Minimum)) / Info_Range;
Value := Value * 2.0 - 1.0;
end if;
Ada.Text_IO.Put (" " & Axis'Image & ": " & Value'Image);
end;
end if;
end loop;
Ada.Text_IO.New_Line;
end if;
declare
Pressed_Keys : constant Boolean := (for some Key of Item.Keys => Key = Pressed);
begin
if Pressed_Keys then
for K in Event_Device.Key_Kind'Range loop
if
Item.Keys (Event_Device.Key_Code_Index (Event_Device.To_Code (K))) = Pressed
then
Ada.Text_IO.Put (" " & K'Image);
end if;
end loop;
Ada.Text_IO.New_Line;
end if;
end;
end loop;
end;
end if;
end Info;
|