rosserial_windows packet loss while sending data to service server on ROS
Hi, I have a question about rosserial windows. I made a Windows application which has two buttons as below. 1. Open connection 2. Send data to Service Server - which is Service client In constructor of...
View ArticleMultiple TCP connections using rosserial_server with WiFi Arduino
Dear all, I am currently running an Arduino Uno* with an [ATWINC1500 WiFi ](https://www.adafruit.com/product/2999) breakout from Adafruit and can successfully publish topics over WiFi to a master using...
View ArticleAdvertising new publisher after first spin in rosserial_windows
Apologies for the stupid question, but I'm still trying to grasp the basic concepts of rosnodes. Is it possible to advertise a new publisher after the first spin? I'm currently using rosserial_windows...
View Articleerror Mismatched protocol version in packet
error message: [ERROR] [1509977915.822895]: Mismatched protocol version in packet: lost sync or rosserial_python is from different ros release than the rosserial client
View ArticleUnable to publish sensor_msgs/IMU message properly
I am using rosserial to transmit gyroscope values into ROS. I am initializing the message using the format I found...
View ArticleAny work underway for a rosserial_embeddedlinux python Publisher?
I'm planning an application on a Raspberry Pi3 (Raspbian/Linux Jessie) Google AI Kit, with a python application generating character data. The rosserial wiki embeddedlinux rosserial client "Hello Ros"...
View Articlehow to publish linear velocity and angular velocity rosserial arduino?
how to publish linear velocity and angular velocity rosserial arduino with Twist.h ? I tried geometry_msgs::TransformStamped t; t.transform.translation.x = x; t.transform.translation.y = y;...
View ArticleSTM32 with ROS , rosserial in Eclipse how?
I intend to use STM32 for communicating with ROS , rosserial look promising. Since arduino, raspberrypi can do. Other should work also. I've seen [Adding Support for New...
View Articleros.h no such file or directory
Im using ROS Kinetic I tried every related post but no positive ouput. Im trying to compile simple HelloRoS.cpp using Raspberry Pi. I have no idea whats wrong. I included all possible packages still...
View ArticleRosserial arduino connection error
Hello everyone, I am currently trying to connect my arduino due to my pc in order to run my ROS package I wrote, which shall communicate with the arduino. I can compile and upload my program via the...
View Articlecant assign the value to 'cmd_msg.data' in runtime.
I am doing a stepper motor programming.*what i want is "when i enter an angle on command line,then stepper should rotate that angle"*. but i cant assign the value in runtime. help me please. #include...
View ArticleHow to publish negative values from command line ?
When i try this command.i got an error like this.How can i publish negative values from command line ? rostopic pub servo std_msgs/UInt16 -180 Usage: rostopic pub /topic type [args...] rostopic:...
View ArticleArduino rosserial - Unable to sync with device
When I try to use the 'Hello World' program with rosserial and arduino after restarting my pc. The code works fine, however once i stop the serial communication and try to rerun the same code. I get...
View Articleunable to integrate MPU6050 with ros
I am trying to get yaw pitch roll from an MPU6050 imu using the following code(some parts of code removed for clarity). Its getting uploaded #include #include #include #include #include ros::NodeHandle...
View ArticleData loss in rosserial for arduino to pc
Hi there. I using rosserial to communicate pc to arduino. I use timer interruptions for publishing. But, when I use timer interruptions, rosserial said "wrong checksum for topic id and msg". This...
View ArticlePrefix transformations from OpenCR
I am trying to run rrt_exploration on my turtlebot3. I need to prefix all per-robot nodes, topics, and transforms with a per-robot name such as "robot_1". I can do this the usual way for all nodes and...
View ArticleArduino Publisher publish() is sometimes very slow.
Hi! I'm currently trying to use a NodeMCU ESP8266-12E and a GY-521 breakout board (MPU6050 IMU) to send data to my computer via WiFi. I've set up the connection via rosrun rosserial_python serial_node...
View ArticleRosserial mbed comunication does not work
Hello, I am working on Ubuntu 16.04 and ROS Kinetic. I downloaded rosserial jade-devel since there is no branch for Kinetic. I have read that some people used it and it worked. When I am trying to...
View Articlenh.spinOnce() always returning either -1 or -2
Hi, i am using rosserial on a ESP32 with rosserial_python via tcp on the ROS master. I can send data (publish) incredibly fast, but i cannot sync with the rosserial_python server, spinOnce() either...
View Articlecan you install rosserial in raspbian with ros indigo
I need to install rosserial in raspbian OS with ROS Indigo
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