2 * UniMotion - Unified Motion detection for Apple portables.
4 * Copyright (c) 2006 Lincoln Ramsay. All rights reserved.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License version 2.1 as published by the Free Software Foundation.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation Inc. 59 Temple Place, Suite 330, Boston MA 02111-1307 USA
22 * Written by Christian Klein
23 * Modified for iBook compatibility by Pall Thayer
24 * Modified for Hi Res Powerbook compatibility by Pall Thayer
25 * Modified for MacBook Pro compatibility by Randy Green
26 * Disparate forks unified into UniMotion by Lincoln Ramsay
29 // This license applies to the portions created by Cristian Klein.
32 * a little program to display the coords returned by
33 * the powerbook motion sensor
35 * A fine piece of c0de, brought to you by
38 * *** teenage mutant ninja hero coders ***
41 * All of the software included is copyrighted by Christian Klein <chris@5711.org>.
43 * Copyright 2005 Christian Klein. All rights reserved.
45 * Redistribution and use in source and binary forms, with or without
46 * modification, are permitted provided that the following conditions
48 * 1. Redistributions of source code must retain the above copyright
49 * notice, this list of conditions and the following disclaimer.
50 * 2. Redistributions in binary form must reproduce the above copyright
51 * notice, this list of conditions and the following disclaimer in the
52 * documentation and/or other materials provided with the distribution.
53 * 3. The name of the author must not be used to endorse or promote
54 * products derived from this software
55 * without specific prior written permission.
57 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
58 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
59 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
60 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
61 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
62 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
63 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
64 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
65 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
66 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
73 #include "unimotion.h"
74 #include <IOKit/IOKitLib.h>
75 #include <CoreFoundation/CoreFoundation.h>
99 struct pb_ib_data pb_ib;
104 static int set_values(int type, int *kernFunc, char **servMatch, int *dataType)
109 *servMatch = "IOI2CMotionSensor";
114 *servMatch = "IOI2CMotionSensor";
119 *servMatch = "PMUMotionSensor";
124 *servMatch = "SMCMotionSensor";
134 static int probe_sms(int kernFunc, char *servMatch, int dataType, void *data)
136 kern_return_t result;
137 mach_port_t masterPort;
138 io_iterator_t iterator;
140 io_connect_t dataPort;
142 IOItemCount structureInputSize;
143 IOByteCount structureOutputSize;
145 union motion_data inputStructure;
146 union motion_data *outputStructure;
148 outputStructure = (union motion_data *)data;
150 result = IOMasterPort(MACH_PORT_NULL, &masterPort);
152 CFMutableDictionaryRef matchingDictionary = IOServiceMatching(servMatch);
154 result = IOServiceGetMatchingServices(masterPort, matchingDictionary, &iterator);
156 if (result != KERN_SUCCESS) {
157 //fputs("IOServiceGetMatchingServices returned error.\n", stderr);
161 aDevice = IOIteratorNext(iterator);
162 IOObjectRelease(iterator);
165 //fputs("No motion sensor available\n", stderr);
169 result = IOServiceOpen(aDevice, mach_task_self(), 0, &dataPort);
170 IOObjectRelease(aDevice);
172 if (result != KERN_SUCCESS) {
173 //fputs("Could not open motion sensor device\n", stderr);
177 switch ( dataType ) {
179 structureInputSize = sizeof(struct pb_ib_data);
180 structureOutputSize = sizeof(struct pb_ib_data);
183 structureInputSize = sizeof(struct mbp_data);
184 structureOutputSize = sizeof(struct mbp_data);
190 memset(&inputStructure, 0, sizeof(union motion_data));
191 memset(outputStructure, 0, sizeof(union motion_data));
193 result = IOConnectMethodStructureIStructureO(dataPort, kernFunc, structureInputSize,
194 &structureOutputSize, &inputStructure, outputStructure);
196 IOServiceClose(dataPort);
198 if (result != KERN_SUCCESS) {
210 union motion_data data;
213 for ( i = 1; ; i++ ) {
214 if ( !set_values(i, &kernFunc, &servMatch, &dataType) )
216 if ( probe_sms(kernFunc, servMatch, dataType, &data) )
223 int read_sms_raw(int type, int *x, int *y, int *z)
228 union motion_data data;
230 if ( !set_values(type, &kernFunc, &servMatch, &dataType) )
232 if ( probe_sms(kernFunc, servMatch, dataType, &data) ) {
233 switch ( dataType ) {
235 if ( x ) *x = data.pb_ib.x;
236 if ( y ) *y = data.pb_ib.y;
237 if ( z ) *z = data.pb_ib.z;
240 if ( x ) *x = data.mbp.x;
241 if ( y ) *y = data.mbp.y;
242 if ( z ) *z = data.mbp.z;
252 int read_sms(int type, int *x, int *y, int *z)
255 int xoff, yoff, zoff;
259 ret = read_sms_raw(type, &_x, &_y, &_z);
263 static CFStringRef app = CFSTR("com.ramsayl.UniMotion");
264 static CFStringRef xoffstr = CFSTR("x_offset");
265 static CFStringRef yoffstr = CFSTR("y_offset");
266 static CFStringRef zoffstr = CFSTR("z_offset");
267 xoff = CFPreferencesGetAppIntegerValue(xoffstr, app, &ok);
268 if ( ok ) _x += xoff;
269 yoff = CFPreferencesGetAppIntegerValue(yoffstr, app, &ok);
270 if ( ok ) _y += yoff;
271 zoff = CFPreferencesGetAppIntegerValue(zoffstr, app, &ok);
272 if ( ok ) _z += zoff;
281 int read_sms_real(int type, double *x, double *y, double *z)
284 int xscale, yscale, zscale;
288 ret = read_sms_raw(type, &_x, &_y, &_z);
292 static CFStringRef app = CFSTR("com.ramsayl.UniMotion");
293 static CFStringRef xscalestr = CFSTR("x_scale");
294 static CFStringRef yscalestr = CFSTR("y_scale");
295 static CFStringRef zscalestr = CFSTR("z_scale");
296 xscale = CFPreferencesGetAppIntegerValue(xscalestr, app, &ok);
298 yscale = CFPreferencesGetAppIntegerValue(yscalestr, app, &ok);
300 zscale = CFPreferencesGetAppIntegerValue(zscalestr, app, &ok);
303 *x = _x / (double)xscale;
304 *y = _y / (double)yscale;
305 *z = _z / (double)zscale;