Rosserial baudrate arduino zero
Hi, does someone know where the baud rate is defined? I look in ArduinoHardware.h, and in the package rosserial_python in serial_node and serial_client. I have changed them but default is always...
View ArticleHow to set up an Arduino sub-node which is connected to raspberry pi via usb.
I want to set up a remote pick and place bot (Arduino+Raspberry pi) whose angle parameters are controlled by potentiometer values of another bot (Arduino+Raspberry pi) both of which are on the same...
View Articletime functions
Hi, does someone now what the function reqestSyncTime() and syncTime(data) do? Which time they are synchronizing? between host and ros? They are defined in nodehandle.h and get executed every time...
View Articlerosserial embedded - tf to Publish an Odometry transform cause Segmentation...
Hi Community, i'm trying to include odometry to my tiny robot. So far, rosserial is running on a small linux board and gehts its sensor_msgs::imu from onboard an imu sensor. Now i am working on odomety...
View ArticleSubscriber Callback not being triggered when JointState message is passed
Dear all, I have come across a strange problem; maybe it's just something simple, but I am not really good at ROS programming. Explaining the problem: I am using the rosserial package on Arduino Mega...
View Articleros msg serialize and deserialize for type double
Hi I have done a custom message for a type uint64_t but how I do this for type double? Here my code: class EkfParameters : public ros::Msg { public: typedef uint64_t _residual_type; _residual_type...
View ArticleHow to connect ROS with my Parallax microcontroller?
Hi, I have almost no experience writing sorts of serial communication protocols. So far, I have been using rosserial but I keep running into an issue where it states [ERROR] [1550568650.647942]: Lost...
View Articlerosserial Losing Sync with Device when publishing encoder counts.
Hi, I have an Arduino on Kinetic that is supposed to be publishing encoder counts. It is working properly but for some reason now I am running into an issue where the device falls out of sync with ROS....
View Articlerqt_image_view look at only one image
Hi I have a rosbag with images and with rqt_image_view I can see them, but only the whole bag at once. Is there a way to look at one image for several secondes/minutes? Now the images are like a video,...
View ArticleTime synchronization rosserial
Hi [link text](http://wiki.ros.org/rosserial#Time) Does someone have more information to the point 3.3 Time? How is this done excatly? and where? Thanks
View ArticleWhy do we need the time sync functions? arduino node handle
Hi Why do we need the time sync functions in the node_handle.h file? [link...
View Articlerosserial: node_handle hardware.read()
Hi What does this line of code do (from [here](https://github.com/ros-drivers/rosserial/blob/40f61b98e6865ec4127d8949158ee607d62a3aaf/rosserial_client/src/ros_lib/ros/node_handle.h#L246)): int data =...
View ArticlerequestSyncTime() node_handle, Arduino
Hi Does someone know what this line [link text](https://github.com/ros-drivers/rosserial/blob/40f61b98e6865ec4127d8949158ee607d62a3aaf/rosserial_client/src/ros_lib/ros/node_handle.h#L375) does?...
View Articlerosserial packages not available in ros
Hi All, I am working on ROS Melodic. On running the command: **rosrun rosserial_python serial_node.py /dev/ttyACM0**. I'm getting an error which says **No module named 'SerialClient'** Error Output...
View ArticleRosserial Creation of Subscriber Failed
After running: rosrun rosserial_python serial_node.py /dev/ttyACM0 I receive these info and error messages (node connects, but can't find subscriber): [INFO] [1553102815.473901]: ROS Serial Python Node...
View ArticleAbout rosserial_stm32 on STM32 L4 series
Excuse me, I am not fluent in English.So I use machine translation. I tried to operate STM32 L4 series using this library (https://github.com/yoneken/rosserial_stm32). I referred to...
View ArticleNeed to Connect uP to ROS/Linux on a new project. Is ROS2 the way to go?
I have a STM32F type microcontroller running a sensor and I'd like it to interface to ROS as a node over a serial (USB, SPI, I2C,..) link. This uP is not an Arduino. It runs a real-time OS. With...
View ArticleThe rosserial mbed library link in the rosserial tutorial shows as page not...
The rosserial tutorial says for using the mbed online compiler, add the following repo: https://developer.mbed.org/users/garyservin/code/ros_lib_melodic/ However the given url shows as Page Not Found....
View ArticleROSSerial: Unable to sync: Teensy 3.6
Using rosserial I am Unable to sync with a Teensy 3.6 board. Getting the [ERROR] "Unable to sync with device". I am using the rosserial_arduino Hello_world tutorial. The teensy has the hello world...
View ArticleCannot resize buffers in rosserial, Arduino runs out of RAM
I am using ROS kinetic on Ubuntu 16.04. The Adruino used is an [Arduino UNO SMD (ATMega328P, 16MHz)](htvtps://www.arduino.cc/en/Main/ArduinoBoardUnoSMD) plus an [Adafruit Motor/Stepper/Servo...
View ArticleError installing rosserial_arduino ros_lib. Missing paranthesis to call 'print'
Hi, I just installed ros kinetic on my new laptop and followed all the directions that I needed to setup my environment. I'm trying to install my rosserial_arduino ros_lib libraries, but when I run...
View ArticleSerial Communication with Motor Driver
Hello there! After hundreds of attempt using `roboteq_driver` to connect my Roscore with the motor driver FBL2360 firmware v1.8d, I realized that the library is written to work with the 1.7 version and...
View ArticleArduino rosserial - Unable to sync with device
Hi, I have been using the rosserial_arduino in order to run a ROS node on arduino. I have the following error: [ERROR] [WallTime: 1433855869.447165] Unable to sync with device; possible link problem...
View Articlerosserial mbed subscribe to topic, extract variables
Hi I'm trying to extract the point coordinates from a navigation local planner to be used in flight controller. The topic I'm trying to subscribe to is the /local plan. rostopic info...
View Articlelogdebug not working on arduino/rosserial
I've spent the last day os so investigating this sporadically but I'm no closer to finding an answer, any insights gratefully received :) My robot has a Raspberry Pi 3 as central control unit with two...
View Articleconvert simulink to rosserial
Hi, I've been trying to write Rosserial Arduino script on a tight timeline and I am struggling with writing the script. This is this first time working with arduino as part of a group that haven't...
View ArticleUbuntu trying to use the IPv6 address to reach packages.ros.org while...
I'm using ROS melodic with ubuntu 18.04 running on a Thinkpad. I want to install rosserial for my arduino uno with this tutorial: http://wiki.ros.org/rosserial_arduino/Tutorials/Arduino%20IDE%20Setup...
View ArticleIssue when connect rosserial with arduino due
My rosserial connected with arduino mega 2560. Now I use arduino due, but rosserial cannot connect. This my error: "Unable to sync with device; possible link problem or link software version mismatch...
View Articlembed rosserial Unable to sync with device; possible link problem or link...
Hello guys, I'm new at ROS and I'm using ros-kinetic in mbed platform. In terminal, when I type this command: rosrun rosserial_python serial_node.py /dev/ttyACM0 _baud:=9600 I get these: [INFO]...
View Articlerosserial and hidraw devices ?
Hello, I used `rosserial_python` to send data from my robot to my Raspberry Pi with a Bluetooth dongle but now, I want to use a 2.4 GHz WiFi dongle. The device, when I type ls /dev, appears as...
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