/* * rosserial Service Server */ #include #include #include #include "port/Test.h" static ros::NodeHandle nh; using rosserial_rtt::Test; static int i; static void callback(const Test::Request & req, Test::Response & res){ if((i++)%2) { res.output = "hello"; } else { res.output = "world"; } } static ros::ServiceServer server("test_srv", &callback); static std_msgs::String str_msg; static ros::Publisher chatter("chatter", &str_msg); static char hello[13] = "hello world!"; static void rosserial_server_thread_entry(void *parameter) { nh.initNode(); nh.advertiseService(server); nh.advertise(chatter); while (1) { str_msg.data = hello; chatter.publish( &str_msg ); nh.spinOnce(); rt_thread_mdelay(10); } } static void rosserial_server_example(int argc,char *argv[]) { rt_thread_t thread = rt_thread_create("r_server", rosserial_server_thread_entry, RT_NULL, 1024, 25, 10); if(thread != RT_NULL) { rt_thread_startup(thread); rt_kprintf("[rosserial] New thread r_server\n"); } else { rt_kprintf("[rosserial] Failed to create thread r_server\n"); } } MSH_CMD_EXPORT(rosserial_server_example, roserial publish and subscribe with UART); // If you are using Keil, you can ignore everything below // This is required // If you'd like to compile with scons which uses arm-none-eabi-gcc // extern "C" void __cxa_pure_virtual() // { // while (1); //} // Moreover, you need to add: // CXXFLAGS = CFLAGS + ' -fno-rtti' // in rtconfig.py for arm-none-eabi-gcc