source: flair-src/trunk/lib/FlairSensorActuator/src/VrpnClient_impl.cpp@ 330

Last change on this file since 330 was 330, checked in by Sanahuja Guillaume, 3 years ago

use less bandwidth in vprnlite

File size: 10.9 KB
Line 
1// %flair:license{
2// This file is part of the Flair framework distributed under the
3// CECILL-C License, Version 1.0.
4// %flair:license}
5// created: 2013/04/03
6// filename: VrpnClient_impl.cpp
7//
8// author: César Richard, Guillaume Sanahuja
9// Copyright Heudiasyc UMR UTC/CNRS 7253
10//
11// version: $Id: $
12//
13// purpose: objet se connectant au serveur vrpn
14//
15//
16/*********************************************************************/
17
18#include "VrpnClient.h"
19#include "VrpnClient_impl.h"
20#include "VrpnObject.h"
21#include "VrpnObject_impl.h"
22#include <SerialPort.h>
23#include <vrpn_Connection.h>
24#include <FrameworkManager.h>
25#include <TabWidget.h>
26#include <Tab.h>
27#include <GridLayout.h>
28#include <OneAxisRotation.h>
29#include <Vector3D.h>
30#include <Quaternion.h>
31#include <Mutex.h>
32#include <UdpSocket.h>
33#include <math.h>
34
35using std::string;
36using std::vector;
37using namespace flair::core;
38using namespace flair::gui;
39using namespace flair::sensor;
40
41VrpnClient_impl::VrpnClient_impl(VrpnClient *self, string name,
42 std::string address,flair::sensor::VrpnClient::ConnectionType_t connectionType) {
43 this->self = self;
44 this->address = address;
45 this->connectionType = connectionType;
46 isConnected=false;
47
48 if(connectionType==VrpnClient::Vrpn) {
49 connection = vrpn_get_connection_by_name(address.c_str());
50 Printf("Connecting to VRPN server on %s\n",address.c_str());
51 } else if(connectionType==VrpnClient::VrpnLite) {
52 dataSocket =new UdpSocket(getFrameworkManager(), "data_socket", address);
53 Printf("Connecting to VRPN-lite server on %s\n",address.c_str());
54 } else {
55 self->Err("Bad connection type, try using naother constructor\n");
56 }
57
58 CommonConstructor(name);
59}
60
61
62
63VrpnClient_impl::VrpnClient_impl(VrpnClient *self, string name,
64 SerialPort *serialport, uint16_t us_period) {
65 this->us_period = us_period;
66 this->self = self;
67 this->serialport = serialport;
68 connectionType=VrpnClient::Xbee;
69
70 serialport->SetBaudrate(111111);
71 serialport->SetRxTimeout(us_period * 1000);
72
73 CommonConstructor(name);
74
75 Printf("Connecting to VRPN server through xbee on %s\n",serialport->ObjectName().c_str());
76}
77
78void VrpnClient_impl::CommonConstructor(std::string name) {
79 mutex = new Mutex(self, name);
80
81 // station sol
82 main_tab = new Tab(getFrameworkManager()->GetTabWidget(), name);
83 tab = new TabWidget(main_tab->NewRow(), name);
84 setup_tab = new Tab(tab, "Reglages");
85
86 rotation_1 = new OneAxisRotation(setup_tab->NewRow(), "post rotation 1",OneAxisRotation::PreRotation);
87 rotation_2 = new OneAxisRotation(setup_tab->NewRow(), "post rotation 2",OneAxisRotation::PreRotation);
88}
89
90VrpnClient_impl::~VrpnClient_impl() {
91 if (connectionType==VrpnClient::Vrpn) {
92 // on fait une copie car le delete touche a trackables_copy via
93 // RemoveTrackable
94 vector<VrpnObject_impl *> trackables_copy = trackables;
95 for (unsigned int i = 0; i < trackables_copy.size(); i++)
96 delete trackables_copy.at(i)->self;
97 // trackables.clear();
98 } else if(connectionType==VrpnClient::Xbee || connectionType==VrpnClient::VrpnLite) {
99 // on fait une copie car le delete touche a xbee_objects_copy via
100 // RemoveTrackable
101 vector<liteObject_t> liteObjects_copy = liteObjects;
102 for (unsigned int i = 0; i < liteObjects_copy.size(); i++)
103 delete liteObjects_copy.at(i).vrpnobject->self;
104 }
105
106 delete main_tab;
107
108 if (connectionType==VrpnClient::Vrpn) {
109 // it will automatically delete connection
110 connection->removeReference();
111 }
112}
113
114void VrpnClient_impl::ComputeRotations(Vector3Df &point) {
115 rotation_1->ComputeRotation(point);
116 rotation_2->ComputeRotation(point);
117}
118
119void VrpnClient_impl::ComputeRotations(Quaternion &quat) {
120 rotation_1->ComputeRotation(quat);
121 rotation_2->ComputeRotation(quat);
122}
123
124void VrpnClient_impl::AddTrackable(VrpnObject_impl *obj) {
125 if (connectionType==VrpnClient::Vrpn) {
126 mutex->GetMutex();
127 trackables.push_back(obj);
128 mutex->ReleaseMutex();
129 } else if (connectionType==VrpnClient::VrpnLite) {
130 if(liteObjects.size()<0xffff) {
131 liteObject_t tmp;
132 tmp.vrpnobject = obj;
133 tmp.id = liteObjects.size();
134 mutex->GetMutex();
135 liteObjects.push_back(tmp);
136 mutex->ReleaseMutex();
137 //Printf("%i %s\n",tmp.id,obj->self->ObjectName().c_str());
138
139 char char_array[obj->self->ObjectName().length() + 2];//id coded on 16bits
140 strcpy(char_array, obj->self->ObjectName().c_str());
141 uint16_t* idPtr=(uint16_t*)&char_array[obj->self->ObjectName().length()];
142 *idPtr=tmp.id;
143 dataSocket->HostToNetwork((char*)idPtr,sizeof(uint16_t));
144 dataSocket->SendMessage(char_array,obj->self->ObjectName().length() + 2);
145 }else {
146 self->Warn("too much trackables for vrpnlite connection, not adding %s\n",obj->self->ObjectName().c_str());
147 }
148 } else {
149 self->Warn("AddTrackable called but not in vrpn mode nor in vrpnlite mode\n");
150 }
151}
152
153void VrpnClient_impl::AddTrackable(VrpnObject_impl *obj, uint8_t id) {
154 if (connectionType==VrpnClient::VrpnLite || connectionType==VrpnClient::Xbee) {
155 liteObject_t tmp;
156 tmp.vrpnobject = obj;
157 tmp.id = id;
158 mutex->GetMutex();
159 liteObjects.push_back(tmp);
160 mutex->ReleaseMutex();
161 } else {
162 self->Warn("AddTrackable called but not in xbee mode\n");
163 }
164}
165
166void VrpnClient_impl::RemoveTrackable(VrpnObject_impl *obj) {
167 mutex->GetMutex();
168 if (connectionType==VrpnClient::Vrpn) {
169 for (vector<VrpnObject_impl *>::iterator it = trackables.begin();it < trackables.end(); it++) {
170 if (*it == obj) {
171 trackables.erase(it);
172 break;
173 }
174 }
175 }
176 if (connectionType==VrpnClient::VrpnLite || connectionType==VrpnClient::Xbee) {
177 for (vector<liteObject_t>::iterator it = liteObjects.begin();it < liteObjects.end(); it++) {
178 if ((*it).vrpnobject == obj) {
179 liteObjects.erase(it);
180 break;
181 }
182 }
183 }
184 mutex->ReleaseMutex();
185}
186
187void VrpnClient_impl::Run(void) {
188 struct timeval timeout;
189 timeout.tv_sec=0;
190 timeout.tv_usec=100000;
191
192 while (!self->ToBeStopped()) {
193 if (connectionType==VrpnClient::Xbee) {
194 ssize_t read = 0;
195 uint8_t response[38] = {0};
196
197 read = serialport->Read(response, sizeof(response));
198 if (read > 0 && read != sizeof(response))
199 read += serialport->Read(&response[read], sizeof(response) - read);
200 // int temps=(float)self->GetTime()/(1000*1000);
201 // self->Printf("%i %i %i\n",temps-last,temps,last);
202 // last=temps;
203 if (read < 0) {
204 // self->Warn("erreur rt_dev_read (%s)\n",strerror(-read));
205 } else if (read != sizeof(response)) {
206 self->Warn("serial read error %i/%i\n", read, sizeof(response));
207 } else {
208 // for(ssize_t i=0;i<read;i++) printf("%x ",response[i]);
209 // printf("\n");
210 uint8_t checksum = 0;
211 for (ssize_t i = 3; i < read; i++)
212 checksum += response[i];
213 if (checksum != 255) {
214 self->Err("checksum error\n");
215 } else {
216 vrpn_TRACKERCB t;
217 float pos[3];
218 float quat[4];
219 uint8_t id = response[8];
220
221 mutex->GetMutex();
222 if (id < liteObjects.size()) {
223 memcpy(pos, &response[9], sizeof(pos));
224 memcpy(quat, &response[9] + sizeof(pos), sizeof(quat));
225 for (int i = 0; i < 3; i++)
226 t.pos[i] = pos[i];
227 for (int i = 0; i < 4; i++)
228 t.quat[i] = quat[i];
229 if (fabs(pos[0] > 10) || fabs(pos[1] > 10) || fabs(pos[2] > 10)) {
230 Printf("prob pos %f %f %f\n", pos[0], pos[1], pos[2]);
231 } else {
232 // self->Printf("%i %f %f %f
233 // %f\n",id,pos[0],pos[1],pos[2],(float)self->GetTime()/(1000*1000));
234 VrpnObject_impl::handle_pos(liteObjects.at(id).vrpnobject, t);
235 }
236 }
237 mutex->ReleaseMutex();
238 }
239 }
240 } else if(connectionType==VrpnClient::Vrpn) {
241 if(connection->connected()==vrpn_true && !isConnected) {
242 isConnected=true;
243 Printf("VRPN connected to %s\n",address.c_str());
244 }
245 if(connection->connected()==vrpn_false && isConnected) {
246 isConnected=false;
247 Printf("VRPN disconnected to %s\n",address.c_str());
248 }
249 //timeout in mainloop is not well handled if not connected...
250 if(isConnected) {
251 //this is when trackables callbacks are called:
252 if(connection->mainloop(&timeout)!=0) {
253 self->Warn("connection dropped from\n",address.c_str());
254 }
255 //printf("%lld\n",GetTime()/(1000*1000));
256 mutex->GetMutex();
257 for (unsigned int i = 0; i < trackables.size(); i++) {
258 // Printf("tracker %i\n",i);
259 trackables.at(i)->tracker->mainloop();
260 //Printf("tracker %i ok\n",i);
261 }
262 mutex->ReleaseMutex();
263 } else {
264 connection->mainloop();
265 self->SleepMS(10);
266 }
267 }else if(connectionType==VrpnClient::VrpnLite) {
268 mutex->GetMutex();
269
270 int16_t pos[3];
271 int16_t quat[4];
272 Time time;
273 char datas[liteObjects.size()*(sizeof(pos)+sizeof(quat))+ sizeof(time)];
274 char *datasPtr=datas;
275
276 int rcv=dataSocket->RecvMessage(datas,sizeof(datas),50*1000*1000);
277 if(rcv!=sizeof(datas)) {
278 if(rcv>0) Printf("discarding message (size %i/%i)\n",rcv,sizeof(datas));
279 mutex->ReleaseMutex();
280 continue;
281 }
282
283 memcpy(&time, datasPtr+sizeof(datas)-sizeof(time), sizeof(time));
284 dataSocket->NetworkToHost((char*)(&time),sizeof(time));
285
286 for (vector<liteObject_t>::iterator it = liteObjects.begin();it < liteObjects.end(); it++) {
287 memcpy(pos, datasPtr, sizeof(pos));
288 datasPtr+=sizeof(pos);
289 memcpy(quat,datasPtr, sizeof(quat));
290 datasPtr+=sizeof(quat);
291
292 for(int i=0;i<3;i++) dataSocket->NetworkToHost((char*)(&pos[i]),sizeof(pos[i]));
293 for(int i=0;i<4;i++) dataSocket->NetworkToHost((char*)(&quat[i]),sizeof(quat[i]));
294
295 vrpn_TRACKERCB t;
296 for (int i = 0; i < 3; i++) t.pos[i] = ConvertPosition(pos[i]);
297 // warning: t.quat is defined as (qx,qy,qz,qw), which is different from
298 // flair::core::Quaternion
299 t.quat[0] = ConvertQuaternion(quat[1]);
300 t.quat[1] = ConvertQuaternion(quat[2]);
301 t.quat[2] = ConvertQuaternion(quat[3]);
302 t.quat[3] = ConvertQuaternion(quat[0]);
303 t.msg_time.tv_sec=time/((Time)1000000000);
304 t.msg_time.tv_usec=(time%((Time)1000000000))/((Time)1000);
305 //Printf("%i %lld %lld %lld\n",id,time,t.msg_time.tv_sec,t.msg_time.tv_usec);
306 VrpnObject_impl::handle_pos((void*)(it->vrpnobject), t);
307 }
308
309 mutex->ReleaseMutex();
310 }
311 }
312}
313
314float VrpnClient_impl::ConvertPosition(int16_t value) const {
315 return (float)value/1000.;
316}
317
318float VrpnClient_impl::ConvertQuaternion(int16_t value) const {
319 return (float)value/32767.;
320}
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