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arduino/libraries/Rosserial_Arduino_Library/examples/ServiceServer/ServiceServer.pde
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2026-07-18 18:22:58 +08:00

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/*
* rosserial Service Server
*/
#include <ros.h>
#include <std_msgs/String.h>
#include <rosserial_arduino/Test.h>
ros::NodeHandle nh;
using rosserial_arduino::Test;
int i;
void callback(const Test::Request & req, Test::Response & res){
if((i++)%2)
res.output = "hello";
else
res.output = "world";
}
ros::ServiceServer<Test::Request, Test::Response> server("test_srv",&callback);
std_msgs::String str_msg;
ros::Publisher chatter("chatter", &str_msg);
char hello[13] = "hello world!";
void setup()
{
nh.initNode();
nh.advertiseService(server);
nh.advertise(chatter);
}
void loop()
{
str_msg.data = hello;
chatter.publish( &str_msg );
nh.spinOnce();
delay(10);
}