[PD-cvs] SF.net SVN: pure-data: [9604] trunk/externals/apple/sudden_motion_sensor.c
eighthave at users.sourceforge.net
eighthave at users.sourceforge.net
Mon Mar 17 21:52:15 CET 2008
Revision: 9604
http://pure-data.svn.sourceforge.net/pure-data/?rev=9604&view=rev
Author: eighthave
Date: 2008-03-17 13:52:14 -0700 (Mon, 17 Mar 2008)
Log Message:
-----------
got a very rough version of the sudden motion sensor/accelerometer working
Modified Paths:
--------------
trunk/externals/apple/sudden_motion_sensor.c
Modified: trunk/externals/apple/sudden_motion_sensor.c
===================================================================
--- trunk/externals/apple/sudden_motion_sensor.c 2008-03-17 20:33:44 UTC (rev 9603)
+++ trunk/externals/apple/sudden_motion_sensor.c 2008-03-17 20:52:14 UTC (rev 9604)
@@ -63,42 +63,105 @@
static void sudden_motion_sensor_output(t_sudden_motion_sensor* x)
{
DEBUG(post("sudden_motion_sensor_output"););
- kern_return_t kern_result;
+ t_atom output_atoms[3];
+ kern_return_t kern_return;
+ mach_port_t mach_port;
+ io_iterator_t io_iterator;
+ io_object_t io_object;
+ io_connect_t io_connect;
+ int kernel_function, sizeof_data;
+
IOItemCount structureInputSize;
IOByteCount structureOutputSize;
struct data inputStructure;
struct data outputStructure;
- t_atom output_atoms[3];
+ kern_return = IOMasterPort(MACH_PORT_NULL, &mach_port);
+ if (kern_return != KERN_SUCCESS)
+ {
+ pd_error(x, "[sudden_motion_sensor]: cannot get mach_port");
+ return;
+ }
+ //PowerBookG4, iBookG4
+ kern_return = IOServiceGetMatchingServices(mach_port, IOServiceMatching("IOI2CMotionSensor"), &io_iterator);
+ if (kern_return == KERN_SUCCESS && io_iterator != 0)
+ {
+ x->sensor_name = gensym("IOI2CMotionSensor");
+ sizeof_data = 60;
+ kernel_function = 21;
+ goto FOUND_SENSOR;
+ }
+ //
+ kern_return = IOServiceGetMatchingServices(mach_port, IOServiceMatching("PMUMotionSensor"), &io_iterator);
+ if(kern_return == KERN_SUCCESS && io_iterator != 0)
+ {
+ x->sensor_name = gensym("PMUMotionSensor");
+ sizeof_data = 60;
+ kernel_function = 21;
+ goto FOUND_SENSOR;
+ }
+ // MacBook Pro
+ kern_return = IOServiceGetMatchingServices(mach_port, IOServiceMatching("SMCMotionSensor"), &io_iterator);
+ if(kern_return == KERN_SUCCESS && io_iterator != 0)
+ {
+ x->sensor_name = gensym("SMCMotionSensor");
+ sizeof_data = 40;
+ kernel_function = 5;
+ goto FOUND_SENSOR;
+ }
+
+ pd_error(x,"[sudden_motion_sensor]: cannot find motionsensor\n");
+ return;
- structureInputSize = x->data_size; //sizeof(struct data);
- structureOutputSize = x->data_size; //sizeof(struct data);
+FOUND_SENSOR:
+ io_object = IOIteratorNext(io_iterator);
+ IOObjectRelease(io_iterator);
+
+ if(!io_object)
+ {
+ pd_error(x,"[sudden_motion_sensor]: No motion sensor available.");
+ return;
+ }
+
+ kern_return = IOServiceOpen(io_object, mach_task_self(), 0, &io_connect);
+ IOObjectRelease(io_object);
+
+ if(kern_return != KERN_SUCCESS)
+ {
+ pd_error(x,"[sudden_motion_sensor]: Could not open motion sensor device.");
+ return;
+ }
+
+ structureInputSize = sizeof_data; //sizeof(struct data);
+ structureOutputSize = sizeof_data; //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)
+
+ kern_return = IOConnectMethodStructureIStructureO(
+ io_connect,
+ kernel_function, /* index to kernel function */
+ structureInputSize,
+ &structureOutputSize,
+ &inputStructure,
+ &outputStructure);
+
+ if( kern_return == 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)
+ else if(kern_return == kIOReturnBusy)
pd_error(x,"[sudden_motion_sensor]: device busy");
else
pd_error(x,"[sudden_motion_sensor]: could not read device");
+ IOServiceClose(io_connect);
}
@@ -110,106 +173,11 @@
}
-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);
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
More information about the Pd-cvs
mailing list