Revision 0c8d22a5 src/server/server.cpp
src/server/server.cpp | ||
---|---|---|
25 | 25 |
* Excellence Initiative. |
26 | 26 |
*/ |
27 | 27 |
|
28 |
#include "server/server.h" |
|
29 |
#include "server/middleware_ros.h" |
|
30 | 28 |
#include <boost/algorithm/string.hpp> |
29 |
|
|
31 | 30 |
#include <string> |
32 | 31 |
|
33 |
using namespace std;
|
|
34 |
using namespace boost;
|
|
35 |
using namespace humotion; |
|
36 |
using namespace humotion::server;
|
|
32 |
#include "humotion/server/middleware_ros.h"
|
|
33 |
#include "humotion/server/server.h"
|
|
34 |
|
|
35 |
using humotion::server::Server;
|
|
37 | 36 |
|
38 | 37 |
//! set up constant for updaterate (50Hz) |
39 | 38 |
const float Server::MOTION_UPDATERATE = 50.0; |
40 | 39 |
|
41 | 40 |
//! constructor |
42 | 41 |
//! open a new server instance. |
43 |
Server::Server(string scope, string mw, JointInterface *_joint_interface){
|
|
44 |
//convert mw to uppercase:
|
|
45 |
to_upper(mw); |
|
42 |
Server::Server(std::string scope, std::string mw, JointInterface *_joint_interface) {
|
|
43 |
// convert mw to uppercase
|
|
44 |
boost::to_upper(mw);
|
|
46 | 45 |
|
47 |
printf("> initializing humotion server (on %s, middleware=%s)\n",scope.c_str(),mw.c_str());
|
|
46 |
printf("> initializing humotion server (on %s, middleware=%s)\n", scope.c_str(), mw.c_str());
|
|
48 | 47 |
|
49 |
//store pointer to joint interface |
|
48 |
// store pointer to joint interface
|
|
50 | 49 |
joint_interface = _joint_interface; |
51 | 50 |
|
52 |
//tell joint interface our framerate:
|
|
51 |
// tell joint interface our framerate
|
|
53 | 52 |
joint_interface->set_framerate(MOTION_UPDATERATE); |
54 | 53 |
|
55 |
//create controller |
|
54 |
// create controller
|
|
56 | 55 |
controller = new Controller(joint_interface); |
57 | 56 |
controller->init_motion_generators(); |
58 | 57 |
|
59 |
//start middleware:
|
|
60 |
if (mw == "ROS"){ |
|
58 |
// start middleware
|
|
59 |
if (mw == "ROS") {
|
|
61 | 60 |
middleware = new MiddlewareROS(scope, controller); |
62 |
}else{ |
|
63 |
printf("> ERROR: invalid mw '%s' given. RSB support was dropped. Please use ROS\n\n",mw.c_str()); |
|
61 |
} else { |
|
62 |
printf("> ERROR: invalid mw '%s' given. RSB support was dropped. Please use ROS\n\n", |
|
63 |
mw.c_str()); |
|
64 | 64 |
exit(EXIT_FAILURE); |
65 | 65 |
} |
66 | 66 |
|
67 |
//start motion generation thread:
|
|
67 |
// start motion generation thread
|
|
68 | 68 |
start_motion_generation_thread(); |
69 |
|
|
70 | 69 |
} |
71 | 70 |
|
72 | 71 |
//! destructor |
73 |
Server::~Server(){ |
|
72 |
Server::~Server() {
|
|
74 | 73 |
} |
75 | 74 |
|
76 | 75 |
//! middleware still running? |
77 |
bool Server::ok(){ |
|
76 |
bool Server::ok() {
|
|
78 | 77 |
return middleware->ok(); |
79 | 78 |
} |
80 | 79 |
|
81 | 80 |
//! start main thread |
82 |
void Server::start_motion_generation_thread(){ |
|
83 |
motion_generation_thread_ptr = new boost::thread(boost::bind( &Server::motion_generation_thread, this)); |
|
81 |
void Server::start_motion_generation_thread() { |
|
82 |
motion_generation_thread_ptr = new boost::thread(boost::bind( |
|
83 |
&Server::motion_generation_thread, this)); |
|
84 | 84 |
} |
85 | 85 |
|
86 | 86 |
//! main thread that handles all data in/out |
87 | 87 |
//! this thread will take care of gathering all input data and |
88 | 88 |
//! then generate the output targets at a fixed rate of \sa MOTION_UPDATERATE |
89 |
void Server::motion_generation_thread(){ |
|
89 |
void Server::motion_generation_thread() {
|
|
90 | 90 |
unsigned int incoming_data_count_invalid = 0; |
91 | 91 |
|
92 | 92 |
printf("> started motion generation thread\n"); |
93 | 93 |
|
94 |
//calculate loop delay:
|
|
94 |
// calculate loop delay
|
|
95 | 95 |
float loop_delay = 1000.0 / MOTION_UPDATERATE; |
96 |
boost::system_time timeout = get_system_time() + posix_time::milliseconds(loop_delay); |
|
97 |
printf("> one loop = %3.1fms\n",loop_delay); |
|
96 |
boost::system_time timeout = boost::get_system_time() + |
|
97 |
boost::posix_time::milliseconds(loop_delay); |
|
98 |
printf("> one loop = %3.1fms\n", loop_delay); |
|
98 | 99 |
|
99 |
//wait for incoming joint data:
|
|
100 |
while (middleware->ok()){ |
|
101 |
//mw tick |
|
100 |
// wait for incoming joint data
|
|
101 |
while (middleware->ok()) {
|
|
102 |
// mw tick
|
|
102 | 103 |
middleware->tick(); |
103 | 104 |
|
104 | 105 |
unsigned int incoming_data_count = joint_interface->get_and_clear_incoming_position_count(); |
105 |
if (incoming_data_count == 0){ |
|
106 |
if (incoming_data_count == 0) {
|
|
106 | 107 |
incoming_data_count_invalid++; |
107 |
if (incoming_data_count_invalid >= MOTION_UPDATERATE){ |
|
108 |
if (incoming_data_count_invalid >= MOTION_UPDATERATE) {
|
|
108 | 109 |
printf("> waiting for valid incoming joint data (position+velocity)\n"); |
109 | 110 |
incoming_data_count_invalid = 0; |
110 | 111 |
} |
111 |
}else{
|
|
112 |
//fine, joint data is arriving, exit waiting loop |
|
112 |
} else {
|
|
113 |
// fine, joint data is arriving, exit waiting loop
|
|
113 | 114 |
break; |
114 | 115 |
} |
115 | 116 |
|
116 |
thread::sleep(timeout); |
|
117 |
timeout = get_system_time() + posix_time::milliseconds(loop_delay);
|
|
117 |
boost::thread::sleep(timeout);
|
|
118 |
timeout = boost::get_system_time() + boost::posix_time::milliseconds(loop_delay);
|
|
118 | 119 |
} |
119 | 120 |
|
120 | 121 |
printf("> joint data arrived, control loop active.\n"); |
121 | 122 |
controller->set_activated(); |
122 | 123 |
|
123 |
//fine, data is arriving, activate and run control loop:
|
|
124 |
while (middleware->ok()){ |
|
125 |
//mw tick |
|
124 |
// fine, data is arriving, activate and run control loop
|
|
125 |
while (middleware->ok()) {
|
|
126 |
// mw tick
|
|
126 | 127 |
middleware->tick(); |
127 | 128 |
|
128 |
//do some logging:
|
|
129 |
//controller->dump_angles(); |
|
129 |
// do some logging
|
|
130 |
// controller->dump_angles();
|
|
130 | 131 |
|
131 |
//calculate all targets |
|
132 |
// calculate all targets
|
|
132 | 133 |
controller->calculate_targets(); |
133 | 134 |
|
134 |
//publish data to joints |
|
135 |
// publish data to joints
|
|
135 | 136 |
controller->publish_targets(); |
136 | 137 |
|
137 |
//finally execute the movement:
|
|
138 |
// finally execute the movement
|
|
138 | 139 |
joint_interface->execute_motion(); |
139 | 140 |
|
140 |
//check if we received joint information in the last step:
|
|
141 |
// check if we received joint information in the last step
|
|
141 | 142 |
unsigned int incoming_data_count = joint_interface->get_and_clear_incoming_position_count(); |
142 |
if (incoming_data_count == 0){ |
|
143 |
//printf("> WARNING: no incoming joint data during the last iteration...\n"); |
|
143 |
if (incoming_data_count == 0) {
|
|
144 |
// printf("> WARNING: no incoming joint data during the last iteration...\n");
|
|
144 | 145 |
incoming_data_count_invalid++; |
145 |
if (incoming_data_count_invalid >= MOTION_UPDATERATE){ |
|
146 |
if (incoming_data_count_invalid >= MOTION_UPDATERATE) {
|
|
146 | 147 |
printf("> ERROR: no incoming joint data for >1 second -> will exit now\n"); |
147 | 148 |
exit(EXIT_FAILURE); |
148 | 149 |
} |
149 |
}else{
|
|
150 |
} else {
|
|
150 | 151 |
incoming_data_count_invalid = 0; |
151 | 152 |
} |
152 | 153 |
|
153 |
thread::sleep(timeout); |
|
154 |
timeout = get_system_time() + posix_time::milliseconds(loop_delay);
|
|
154 |
boost::thread::sleep(timeout);
|
|
155 |
timeout = boost::get_system_time() + boost::posix_time::milliseconds(loop_delay);
|
|
155 | 156 |
} |
156 | 157 |
|
157 | 158 |
printf("> motion generation thread exited.\n"); |
Also available in: Unified diff