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
|
/* --------------------------------------------------------------------------*/
/* */
/* read the sudden motion sensor on Apple Mac OS X */
/* Written by Hans-Christoph Steiner <hans@at.or.at> */
/* */
/* Copyright (c) 2008 Free Software Foundation */
/* */
/* This program is free software; you can redistribute it and/or */
/* modify it under the terms of the GNU General Public License */
/* as published by the Free Software Foundation; either version 2 */
/* of the License, or (at your option) any later version. */
/* */
/* See file LICENSE for further informations on licensing terms. */
/* */
/* This program is distributed in the hope that it will be useful, */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
/* GNU General Public License for more details. */
/* */
/* You should have received a copy of the GNU General Public License */
/* along with this program; if not, write to the Free Software Foundation, */
/* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */
/* */
/* --------------------------------------------------------------------------*/
#include <mach/mach.h>
#include <IOKit/IOKitLib.h>
#include <CoreFoundation/CoreFoundation.h>
#include <m_pd.h>
#define DEBUG(x)
//#define DEBUG(x) x
/*------------------------------------------------------------------------------
* CLASS DEF
*/
static t_class *sudden_motion_sensor_class;
typedef struct _sudden_motion_sensor {
t_object x_obj;
t_symbol* sensor_name;
io_connect_t io_connect;
int kernel_function;
int data_size;
t_outlet* data_outlet;
t_outlet* status_outlet;
} t_sudden_motion_sensor;
struct data {
char x;
char y;
char z;
char pad[57];
};
/*------------------------------------------------------------------------------
* IMPLEMENTATION
*/
static void sudden_motion_sensor_output(t_sudden_motion_sensor* x)
{
DEBUG(post("sudden_motion_sensor_output"););
kern_return_t kern_result;
IOItemCount structureInputSize;
IOByteCount structureOutputSize;
struct data inputStructure;
struct data outputStructure;
t_atom output_atoms[3];
structureInputSize = x->data_size; //sizeof(struct data);
structureOutputSize = x->data_size; //sizeof(struct data);
memset(&inputStructure, 0, sizeof(inputStructure));
memset(&outputStructure, 0, sizeof(outputStructure));
kern_result = IOConnectMethodStructureIStructureO(x->io_connect,
x->kernel_function, /* index to kernel function */
structureInputSize,
&structureOutputSize,
&inputStructure,
&outputStructure);
IOServiceClose(x->io_connect);
if( kern_result == KERN_SUCCESS)
{
SETFLOAT(output_atoms, outputStructure.x);
SETFLOAT(output_atoms + 1, outputStructure.y);
SETFLOAT(output_atoms + 2, outputStructure.z);
outlet_list(x->data_outlet, &s_list, 3, output_atoms);
}
else if(kern_result == kIOReturnBusy)
pd_error(x,"[sudden_motion_sensor]: device busy");
else
pd_error(x,"[sudden_motion_sensor]: could not read device");
}
static void sudden_motion_sensor_info(t_sudden_motion_sensor* x)
{
t_atom output_atom;
SETSYMBOL(&output_atom, x->sensor_name);
outlet_anything(x->status_outlet, gensym("sensor"), 1, &output_atom);
}
static int open_sensor(t_sudden_motion_sensor* x,
mach_port_t mach_port, io_iterator_t *io_iterator_ptr,
const char *sensor_string, int data_size, int kernel_function)
{
kern_return_t kern_result;
post("trying %s", sensor_string);
kern_result = IOServiceGetMatchingServices(mach_port, IOServiceMatching("IOI2CMotionSensor"), io_iterator_ptr);
if (kern_result == KERN_SUCCESS && *io_iterator_ptr != 0)
{
post("found %s", sensor_string);
x->sensor_name = gensym(sensor_string);
x->data_size = data_size;
x->kernel_function = kernel_function;
return 1;
}
else
return 0;
}
static void *sudden_motion_sensor_new(void)
{
DEBUG(post("sudden_motion_sensor_new"););
t_sudden_motion_sensor *x = (t_sudden_motion_sensor *)pd_new(sudden_motion_sensor_class);
io_iterator_t io_iterator;
io_object_t io_object;
kern_return_t kern_result;
mach_port_t mach_port;
/*
kern_result = IOMasterPort(MACH_PORT_NULL, &mach_port);
if (kern_result != KERN_SUCCESS)
pd_error(x, "[sudden_motion_sensor]: IOMasterPort(MACH_PORT_NULL, &mach_port)");
else if(!open_sensor(x, mach_port, &io_iterator, "IOI2CMotionSensor", 60, 21))
if(!open_sensor(x, mach_port, &io_iterator, "PMUMotionSensor", 60, 21))
if(!open_sensor(x, mach_port, &io_iterator, "SMCMotionSensor", 40, 5))
pd_error(x,"[sudden_motion_sensor]: cannot find motion sensor");
io_object = IOIteratorNext(io_iterator);
IOObjectRelease(io_iterator);
if (io_object)
{
kern_result = IOServiceOpen(io_object, mach_task_self(), 0, &x->io_connect);
IOObjectRelease(io_object);
if (kern_result != KERN_SUCCESS)
pd_error(x,"[sudden_motion_sensor]: could not open motion sensor");
}
else
pd_error(x,"[sudden_motion_sensor]: motion sensor not available");
*/
kern_result = IOMasterPort(MACH_PORT_NULL, &mach_port);
if (kern_result != KERN_SUCCESS) {
error("[sudden_motion_sensor]: IOMasterPort(MACH_PORT_NULL, &mach_port)");
}
//PowerBookG4, iBookG4
kern_result = IOServiceGetMatchingServices(mach_port, IOServiceMatching("IOI2CMotionSensor"), &io_iterator);
if (kern_result == KERN_SUCCESS && io_iterator != 0) {
x->sensor_name = gensym("IOI2CMotionSensor");
x->data_size = 60;
x->kernel_function = 21;
goto FOUND_SENSOR;
}
//
kern_result = IOServiceGetMatchingServices(mach_port, IOServiceMatching("PMUMotionSensor"), &io_iterator);
if (kern_result == KERN_SUCCESS && io_iterator != 0) {
x->sensor_name = gensym("PMUMotionSensor");
x->data_size = 60;
x->kernel_function = 21;
goto FOUND_SENSOR;
}
//
kern_result = IOServiceGetMatchingServices(mach_port, IOServiceMatching("SMCMotionSensor"), &io_iterator);
if (kern_result == KERN_SUCCESS && io_iterator != 0) {
x->sensor_name = gensym("SMCMotionSensor");
x->data_size = 40;
x->kernel_function = 5;
goto FOUND_SENSOR;
}
error("can't find motionsensor\n");
FOUND_SENSOR:
io_object = IOIteratorNext(io_iterator);
IOObjectRelease(io_iterator);
if (io_object == 0) {
error("[sudden_motion_sensor]: No motion sensor available.");
}
kern_result = IOServiceOpen(io_object, mach_task_self(), 0, &x->io_connect);
IOObjectRelease(io_object);
if (kern_result != KERN_SUCCESS) {
error("[sudden_motion_sensor]: Could not open motion sensor device.");
}
x->data_outlet = outlet_new(&x->x_obj, &s_list);
x->status_outlet = outlet_new(&x->x_obj, &s_anything);
return (x);
}
void sudden_motion_sensor_setup(void)
{
sudden_motion_sensor_class = class_new(gensym("sudden_motion_sensor"),
(t_newmethod)sudden_motion_sensor_new,
NULL,
sizeof(t_sudden_motion_sensor),
CLASS_DEFAULT,
0);
/* add inlet datatype methods */
class_addbang(sudden_motion_sensor_class,(t_method) sudden_motion_sensor_output);
class_addmethod(sudden_motion_sensor_class,(t_method) sudden_motion_sensor_info,
gensym("info"), 0);
}
|
