Initial commit.
authorWalter Fetter Lages <w.fetter@ieee.org>
Wed, 20 Feb 2019 17:13:20 +0000 (14:13 -0300)
committerWalter Fetter Lages <w.fetter@ieee.org>
Wed, 20 Feb 2019 17:13:20 +0000 (14:13 -0300)
CMakeLists.txt [new file with mode: 0644]
launch/bno055.launch [new file with mode: 0644]
launch/display.launch [new file with mode: 0644]
package.xml [new file with mode: 0644]
rviz/display.rviz [new file with mode: 0644]
src/bno055_node.cpp [new file with mode: 0644]

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644 (file)
index 0000000..a0b3f21
--- /dev/null
@@ -0,0 +1,221 @@
+cmake_minimum_required(VERSION 2.8.3)
+project(bno055_driver)
+
+## Compile as C++11, supported in ROS Kinetic and newer
+add_compile_options(-std=c++11)
+
+## Find catkin macros and libraries
+## if COMPONENTS list like find_package(catkin REQUIRED COMPONENTS xyz)
+## is used, also find other catkin packages
+find_package(catkin REQUIRED COMPONENTS
+  roscpp
+  eigen_conversions
+  geometry_msgs
+  sensor_msgs
+)
+
+## System dependencies are found with CMake's conventions
+# find_package(Boost REQUIRED COMPONENTS system)
+#find_package(bno055 REQUIRED)
+find_package(Eigen3 REQUIRED)
+
+add_library(bno055 STATIC IMPORTED) # or STATIC instead of SHARED
+set_target_properties(bno055 PROPERTIES
+  IMPORTED_LOCATION "$ENV{HOME}/doc/ufrgs/miotec/bno055/BNO055_driver/libbno055.a"
+  INTERFACE_INCLUDE_DIRECTORIES "$ENV{HOME}/doc/ufrgs/miotec/bno055/BNO055_driver"
+)
+add_library(bno055ifc STATIC IMPORTED) # or STATIC instead of SHARED
+set_target_properties(bno055ifc PROPERTIES
+  IMPORTED_LOCATION "$ENV{HOME}/lib/libbno055ifc.a"
+  INTERFACE_INCLUDE_DIRECTORIES "$ENV{HOME}/include"
+)
+
+
+## Uncomment this if the package has a setup.py. This macro ensures
+## modules and global scripts declared therein get installed
+## See http://ros.org/doc/api/catkin/html/user_guide/setup_dot_py.html
+# catkin_python_setup()
+
+################################################
+## Declare ROS messages, services and actions ##
+################################################
+
+## To declare and build messages, services or actions from within this
+## package, follow these steps:
+## * Let MSG_DEP_SET be the set of packages whose message types you use in
+##   your messages/services/actions (e.g. std_msgs, actionlib_msgs, ...).
+## * In the file package.xml:
+##   * add a build_depend tag for "message_generation"
+##   * add a build_depend and a exec_depend tag for each package in MSG_DEP_SET
+##   * If MSG_DEP_SET isn't empty the following dependency has been pulled in
+##     but can be declared for certainty nonetheless:
+##     * add a exec_depend tag for "message_runtime"
+## * In this file (CMakeLists.txt):
+##   * add "message_generation" and every package in MSG_DEP_SET to
+##     find_package(catkin REQUIRED COMPONENTS ...)
+##   * add "message_runtime" and every package in MSG_DEP_SET to
+##     catkin_package(CATKIN_DEPENDS ...)
+##   * uncomment the add_*_files sections below as needed
+##     and list every .msg/.srv/.action file to be processed
+##   * uncomment the generate_messages entry below
+##   * add every package in MSG_DEP_SET to generate_messages(DEPENDENCIES ...)
+
+## Generate messages in the 'msg' folder
+# add_message_files(
+#   FILES
+#   Message1.msg
+#   Message2.msg
+# )
+
+## Generate services in the 'srv' folder
+# add_service_files(
+#   FILES
+#   Service1.srv
+#   Service2.srv
+# )
+
+## Generate actions in the 'action' folder
+# add_action_files(
+#   FILES
+#   Action1.action
+#   Action2.action
+# )
+
+## Generate added messages and services with any dependencies listed here
+# generate_messages(
+#   DEPENDENCIES
+#   geometry_msgs
+#   sensor_msgs
+#   eigen_conversions
+# )
+
+################################################
+## Declare ROS dynamic reconfigure parameters ##
+################################################
+
+## To declare and build dynamic reconfigure parameters within this
+## package, follow these steps:
+## * In the file package.xml:
+##   * add a build_depend and a exec_depend tag for "dynamic_reconfigure"
+## * In this file (CMakeLists.txt):
+##   * add "dynamic_reconfigure" to
+##     find_package(catkin REQUIRED COMPONENTS ...)
+##   * uncomment the "generate_dynamic_reconfigure_options" section below
+##     and list every .cfg file to be processed
+
+## Generate dynamic reconfigure parameters in the 'cfg' folder
+# generate_dynamic_reconfigure_options(
+#   cfg/DynReconf1.cfg
+#   cfg/DynReconf2.cfg
+# )
+
+###################################
+## catkin specific configuration ##
+###################################
+## The catkin_package macro generates cmake config files for your package
+## Declare things to be passed to dependent projects
+## INCLUDE_DIRS: uncomment this if your package contains header files
+## LIBRARIES: libraries you create in this project that dependent projects also need
+## CATKIN_DEPENDS: catkin_packages dependent projects also need
+## DEPENDS: system dependencies of this project that dependent projects also need
+catkin_package(
+#  INCLUDE_DIRS include
+#  LIBRARIES bno055_driver
+#  CATKIN_DEPENDS roscpp geometry_msgs sensor_msgs eigen_conversions
+#  DEPENDS bno055 Eigen3
+)
+
+###########
+## Build ##
+###########
+
+## Specify additional locations of header files
+## Your package locations should be listed before other locations
+include_directories(
+# include
+  ${catkin_INCLUDE_DIRS}
+# TODO: Check names of system library include directories (bno055, Eigen3)
+#  ${bno055_INCLUDE_DIRS}
+  ${EIGEN3_INCLUDE_DIRS}
+)
+
+## Declare a C++ library
+# add_library(${PROJECT_NAME}
+#   src/${PROJECT_NAME}/bno055_driver.cpp
+# )
+
+## Add cmake target dependencies of the library
+## as an example, code may need to be generated before libraries
+## either from message generation or dynamic reconfigure
+# add_dependencies(${PROJECT_NAME} ${${PROJECT_NAME}_EXPORTED_TARGETS} ${catkin_EXPORTED_TARGETS})
+
+## Declare a C++ executable
+## With catkin_make all packages are built within a single CMake context
+## The recommended prefix ensures that target names across packages don't collide
+add_executable(bno055_node src/bno055_node.cpp)
+
+## Rename C++ executable without prefix
+## The above recommended prefix causes long target names, the following renames the
+## target back to the shorter version for ease of user use
+## e.g. "rosrun someones_pkg node" instead of "rosrun someones_pkg someones_pkg_node"
+# set_target_properties(${PROJECT_NAME}_node PROPERTIES OUTPUT_NAME node PREFIX "")
+
+## Add cmake target dependencies of the executable
+## same as for the library above
+# add_dependencies(${PROJECT_NAME}_node ${${PROJECT_NAME}_EXPORTED_TARGETS} ${catkin_EXPORTED_TARGETS})
+
+## Specify libraries to link a library or executable target against
+target_link_libraries(bno055_node
+   ${catkin_LIBRARIES}
+#   ${bno055_LIBRARIES}
+   bno055ifc
+   bno055
+)
+
+#############
+## Install ##
+#############
+
+# all install targets should use catkin DESTINATION variables
+# See http://ros.org/doc/api/catkin/html/adv_user_guide/variables.html
+
+## Mark executable scripts (Python etc.) for installation
+## in contrast to setup.py, you can choose the destination
+# install(PROGRAMS
+#   scripts/my_python_script
+#   DESTINATION ${CATKIN_PACKAGE_BIN_DESTINATION}
+# )
+
+## Mark executables and/or libraries for installation
+# install(TARGETS ${PROJECT_NAME} ${PROJECT_NAME}_node
+#   ARCHIVE DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
+#   LIBRARY DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
+#   RUNTIME DESTINATION ${CATKIN_PACKAGE_BIN_DESTINATION}
+# )
+
+## Mark cpp header files for installation
+# install(DIRECTORY include/${PROJECT_NAME}/
+#   DESTINATION ${CATKIN_PACKAGE_INCLUDE_DESTINATION}
+#   FILES_MATCHING PATTERN "*.h"
+#   PATTERN ".svn" EXCLUDE
+# )
+
+## Mark other files for installation (e.g. launch and bag files, etc.)
+# install(FILES
+#   # myfile1
+#   # myfile2
+#   DESTINATION ${CATKIN_PACKAGE_SHARE_DESTINATION}
+# )
+
+#############
+## Testing ##
+#############
+
+## Add gtest based cpp test target and link libraries
+# catkin_add_gtest(${PROJECT_NAME}-test test/test_bno055_driver.cpp)
+# if(TARGET ${PROJECT_NAME}-test)
+#   target_link_libraries(${PROJECT_NAME}-test ${PROJECT_NAME})
+# endif()
+
+## Add folders to be run by python nosetests
+# catkin_add_nosetests(test)
diff --git a/launch/bno055.launch b/launch/bno055.launch
new file mode 100644 (file)
index 0000000..4e12657
--- /dev/null
@@ -0,0 +1,6 @@
+<launch>
+       <node pkg="bno055_driver" type="bno055_node" name="bno055">
+               <param name="device" value="/dev/ttyUSB0" />
+       </node>
+</launch>
\ No newline at end of file
diff --git a/launch/display.launch b/launch/display.launch
new file mode 100644 (file)
index 0000000..2956a4c
--- /dev/null
@@ -0,0 +1,10 @@
+<launch>
+       <include file="$(find bno055_driver)/launch/bno055.launch"/>
+       <include file="$(find s7edge_description)/launch/s7edge.launch"/>
+       <node pkg="tf2_ros" type="static_transform_publisher" 
+               name="imu_origin_publisher"
+               args="0 0 0 0 0 0 1 map imu" />
+       <node pkg="imu_odometry" type="imu2tf" name="imu2tf" args="origin_link" />
+       <node name="robot_state_publisher" pkg="robot_state_publisher" type="state_publisher" />
+       <node name="rviz" pkg="rviz" type="rviz" args="-d $(find bno055_driver)/rviz/display.rviz" />
+</launch>
diff --git a/package.xml b/package.xml
new file mode 100644 (file)
index 0000000..1c1135a
--- /dev/null
@@ -0,0 +1,75 @@
+<?xml version="1.0"?>
+<package format="2">
+  <name>bno055_driver</name>
+  <version>0.0.0</version>
+  <description>The bno055_driver package</description>
+
+  <!-- One maintainer tag required, multiple allowed, one person per tag -->
+  <!-- Example:  -->
+  <!-- <maintainer email="jane.doe@example.com">Jane Doe</maintainer> -->
+  <maintainer email="fetter@ece.ufrgs.br">Walter Fetter Lages</maintainer>
+
+
+  <!-- One license tag required, multiple allowed, one license per tag -->
+  <!-- Commonly used license strings: -->
+  <!--   BSD, MIT, Boost Software License, GPLv2, GPLv3, LGPLv2.1, LGPLv3 -->
+  <license>GPLv3</license>
+
+
+  <!-- Url tags are optional, but multiple are allowed, one per tag -->
+  <!-- Optional attribute type can be: website, bugtracker, or repository -->
+  <!-- Example: -->
+  <!-- <url type="website">http://wiki.ros.org/bno055_driver</url> -->
+
+
+  <!-- Author tags are optional, multiple are allowed, one per tag -->
+  <!-- Authors do not have to be maintainers, but could be -->
+  <!-- Example: -->
+  <!-- <author email="jane.doe@example.com">Jane Doe</author> -->
+  <author email="fetter@ece.ufrgs.br">Walter Fetter Lages</author>
+
+
+  <!-- The *depend tags are used to specify dependencies -->
+  <!-- Dependencies can be catkin packages or system dependencies -->
+  <!-- Examples: -->
+  <!-- Use depend as a shortcut for packages that are both build and exec dependencies -->
+  <!--   <depend>roscpp</depend> -->
+  <!--   Note that this is equivalent to the following: -->
+  <!--   <build_depend>roscpp</build_depend> -->
+  <!--   <exec_depend>roscpp</exec_depend> -->
+  <!-- Use build_depend for packages you need at compile time: -->
+  <!--   <build_depend>message_generation</build_depend> -->
+  <!-- Use build_export_depend for packages you need in order to build against this package: -->
+  <!--   <build_export_depend>message_generation</build_export_depend> -->
+  <!-- Use buildtool_depend for build tool packages: -->
+  <!--   <buildtool_depend>catkin</buildtool_depend> -->
+  <!-- Use exec_depend for packages you need at runtime: -->
+  <!--   <exec_depend>message_runtime</exec_depend> -->
+  <!-- Use test_depend for packages you need only for testing: -->
+  <!--   <test_depend>gtest</test_depend> -->
+  <!-- Use doc_depend for packages you need only for building documentation: -->
+  <!--   <doc_depend>doxygen</doc_depend> -->
+  <buildtool_depend>catkin</buildtool_depend>
+  <build_depend>bno055</build_depend>
+  <build_depend>roscpp</build_depend>
+  <build_depend>geometry_msgs</build_depend>
+  <build_depend>sensor_msgs</build_depend>
+  <build_depend>eigen_conversions</build_depend>
+  <build_export_depend>bno055</build_export_depend>
+  <build_export_depend>roscpp</build_export_depend>
+  <build_export_depend>geometry_msgs</build_export_depend>
+  <build_export_depend>sensor_msgs</build_export_depend>
+  <build_export_depend>eigen_conversions</build_export_depend>
+  <exec_depend>bno055</exec_depend>
+  <exec_depend>roscpp</exec_depend>
+  <exec_depend>geometry_msgs</exec_depend>
+  <exec_depend>sensor_msgs</exec_depend>
+  <exec_depend>eigen_conversions</exec_depend>
+
+
+  <!-- The export tag contains other, unspecified, tags -->
+  <export>
+    <!-- Other tools can request additional information be placed here -->
+
+  </export>
+</package>
diff --git a/rviz/display.rviz b/rviz/display.rviz
new file mode 100644 (file)
index 0000000..8738e7f
--- /dev/null
@@ -0,0 +1,187 @@
+Panels:
+  - Class: rviz/Displays
+    Help Height: 78
+    Name: Displays
+    Property Tree Widget:
+      Expanded:
+        - /RobotModel1
+        - /RobotModel1/Links1
+        - /RobotModel1/Links1/base_link1
+      Splitter Ratio: 0.3928571343421936
+    Tree Height: 558
+  - Class: rviz/Selection
+    Name: Selection
+  - Class: rviz/Tool Properties
+    Expanded:
+      - /2D Pose Estimate1
+      - /2D Nav Goal1
+      - /Publish Point1
+    Name: Tool Properties
+    Splitter Ratio: 0.5886790156364441
+  - Class: rviz/Views
+    Expanded:
+      - /Current View1
+    Name: Views
+    Splitter Ratio: 0.5
+  - Class: rviz/Time
+    Experimental: false
+    Name: Time
+    SyncMode: 0
+    SyncSource: ""
+Preferences:
+  PromptSaveOnExit: true
+Visualization Manager:
+  Class: ""
+  Displays:
+    - Alpha: 0.5
+      Cell Size: 1
+      Class: rviz/Grid
+      Color: 160; 160; 164
+      Enabled: true
+      Line Style:
+        Line Width: 0.029999999329447746
+        Value: Lines
+      Name: Grid
+      Normal Cell Count: 0
+      Offset:
+        X: 0
+        Y: 0
+        Z: 0
+      Plane: XY
+      Plane Cell Count: 10
+      Reference Frame: <Fixed Frame>
+      Value: true
+    - Alpha: 1
+      Class: rviz/RobotModel
+      Collision Enabled: false
+      Enabled: true
+      Links:
+        All Links Enabled: true
+        Expand Joint Details: false
+        Expand Link Details: false
+        Expand Tree: false
+        Link Tree Style: Links in Alphabetic Order
+        base_link:
+          Alpha: 1
+          Show Axes: true
+          Show Trail: false
+          Value: true
+        origin_link:
+          Alpha: 1
+          Show Axes: false
+          Show Trail: false
+      Name: RobotModel
+      Robot Description: robot_description
+      TF Prefix: ""
+      Update Interval: 0
+      Value: true
+      Visual Enabled: true
+    - Alpha: 1
+      Class: rviz_plugin_tutorials/Imu
+      Color: 204; 51; 204
+      Enabled: true
+      History Length: 1
+      Name: Imu
+      Topic: /imu
+      Unreliable: false
+      Value: true
+    - Class: rviz/Axes
+      Enabled: true
+      Length: 0.10000000149011612
+      Name: Axes
+      Radius: 0.009999999776482582
+      Reference Frame: <Fixed Frame>
+      Value: true
+    - Alpha: 1
+      Autocompute Intensity Bounds: false
+      Autocompute Value Bounds:
+        Max Value: 10
+        Min Value: -10
+        Value: true
+      Axis: Z
+      Channel Name: temperature
+      Class: rviz/Temperature
+      Color: 255; 255; 255
+      Color Transformer: Intensity
+      Decay Time: 0
+      Enabled: false
+      Invert Rainbow: true
+      Max Color: 255; 255; 255
+      Max Intensity: 100
+      Min Color: 0; 0; 0
+      Min Intensity: 0
+      Name: Temperature
+      Position Transformer: XYZ
+      Queue Size: 10
+      Selectable: true
+      Size (Pixels): 3
+      Size (m): 0.10000000149011612
+      Style: Flat Squares
+      Topic: /temperature
+      Unreliable: false
+      Use Fixed Frame: true
+      Use rainbow: true
+      Value: false
+  Enabled: true
+  Global Options:
+    Background Color: 249; 249; 249
+    Default Light: true
+    Fixed Frame: map
+    Frame Rate: 30
+  Name: root
+  Tools:
+    - Class: rviz/Interact
+      Hide Inactive Objects: true
+    - Class: rviz/MoveCamera
+    - Class: rviz/Select
+    - Class: rviz/FocusCamera
+    - Class: rviz/Measure
+    - Class: rviz/SetInitialPose
+      Topic: /initialpose
+    - Class: rviz/SetGoal
+      Topic: /move_base_simple/goal
+    - Class: rviz/PublishPoint
+      Single click: true
+      Topic: /clicked_point
+  Value: true
+  Views:
+    Current:
+      Class: rviz/Orbit
+      Distance: 1.749889850616455
+      Enable Stereo Rendering:
+        Stereo Eye Separation: 0.05999999865889549
+        Stereo Focal Distance: 1
+        Swap Stereo Eyes: false
+        Value: false
+      Focal Point:
+        X: -0.19180631637573242
+        Y: -0.2178049087524414
+        Z: 0.2896389067173004
+      Focal Shape Fixed Size: true
+      Focal Shape Size: 0.05000000074505806
+      Invert Z Axis: false
+      Name: Current View
+      Near Clip Distance: 0.009999999776482582
+      Pitch: 0.785398006439209
+      Target Frame: <Fixed Frame>
+      Value: Orbit (rviz)
+      Yaw: 0.785398006439209
+    Saved: ~
+Window Geometry:
+  Displays:
+    collapsed: false
+  Height: 846
+  Hide Left Dock: false
+  Hide Right Dock: false
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diff --git a/src/bno055_node.cpp b/src/bno055_node.cpp
new file mode 100644 (file)
index 0000000..f5b5680
--- /dev/null
@@ -0,0 +1,289 @@
+/******************************************************************************
+                              ROS BNO055 Driver
+                          BNO055 IMU Publisher Node
+          Copyright (C) 2019 Walter Fetter Lages <w.fetter@ieee.org>
+
+        This program is free software: you can redistribute it and/or modify
+        it under the terms of the GNU General Public License as published by
+        the Free Software Foundation, either version 3 of the License, or
+        (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful, but
+        WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+        General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with this program.  If not, see
+        <http://www.gnu.org/licenses/>.
+        
+*******************************************************************************/
+
+#include <bno055_tty.h>
+//#include <bno055_i2c.h>
+#include <bno055_units.h>
+
+#include <ros/node_handle.h>
+#include <geometry_msgs/Vector3Stamped.h>
+#include <sensor_msgs/Imu.h>
+#include <sensor_msgs/Temperature.h>
+#include <sensor_msgs/MagneticField.h>
+#include <eigen_conversions/eigen_msg.h>
+
+#include <Eigen/Dense>
+using namespace Eigen;
+
+class Bno055Node
+{
+       public:
+               Bno055Node(ros::NodeHandle node);
+               ~Bno055Node(void);
+               void sample(void);
+               void publish(void) const;
+                       
+       private:
+               struct bno055_t bno055_;
+               ros::NodeHandle node_;
+               ros::Publisher imuPub_;
+               ros::Publisher temperaturePub_;
+               ros::Publisher magneticFieldPub_;
+               ros::Publisher accelPub_;
+               ros::Publisher gravityPub_;
+
+               bool uart_;
+               
+               Vector3d accel_;
+               Vector3d mag_;
+               Vector3d gyro_;
+       
+               Quaterniond quaternion_;
+               Vector3d linearAccel_;
+               Vector3d gravity_;
+       
+               double temp_;
+};
+
+Bno055Node::Bno055Node(ros::NodeHandle node): uart_(false)
+{
+       node_=node;
+       
+       ros::NodeHandle nh("~");
+       std::string device;
+       if(!nh.getParam("device",device))
+       {
+               ROS_ERROR_STREAM("Could not find parameter: device.");
+               exit(-1);
+       }
+       
+       std::string addressStr;
+       if(!nh.getParam("address",addressStr)) uart_=true;
+       
+       int mode;
+       nh.param("mode",mode,BNO055_OPERATION_MODE_NDOF);
+
+       if(uart_)
+       {
+               if(BNO055_tty_init(device.c_str(),&bno055_))
+               {
+                       ROS_ERROR_STREAM("Error initializing TTY interface");
+                       exit(-1);
+               }
+       }
+       else
+       {
+               u8 address=std::stoi(addressStr,NULL,0);        
+//             if(BNO055_i2c_init(device.c_str(),address,&bno055_))
+               {
+                       perror("Error initializing I2C interface");
+                       exit(-1);
+               }
+       }
+       
+       if(bno055_init(&bno055_) != BNO055_SUCCESS)
+               ROS_ERROR_STREAM("Error initializing bno055.");
+       
+       u8 stat_clk;
+       if(bno055_get_stat_main_clk(&stat_clk) != BNO055_SUCCESS)
+               ROS_ERROR_STREAM("Error reading clock status.");
+       else
+       {
+               if(stat_clk==0)
+               {
+                       if(bno055_set_clk_src(1) != BNO055_SUCCESS)
+                               ROS_ERROR_STREAM("Error setting clock source.");
+               }
+               else ROS_ERROR_STREAM("Clock source can't be changed.");
+       }
+
+       if(bno055_set_accel_unit(BNO055_ACCEL_UNIT_MSQ) != BNO055_SUCCESS)
+               ROS_ERROR_STREAM("Error setting acceleration unit to m/s^2.");
+               
+       if(bno055_set_gyro_unit(BNO055_GYRO_UNIT_RPS) != BNO055_SUCCESS)
+               ROS_ERROR_STREAM("Error setting gyroscope unit to rad/s.");
+       
+       if(bno055_set_temp_unit(BNO055_TEMP_UNIT_CELSIUS) != BNO055_SUCCESS)
+               ROS_ERROR_STREAM("Error setting temperature unit to Celsius.");
+       
+       if(bno055_set_data_output_format(0x01) != BNO055_SUCCESS)
+               ROS_ERROR_STREAM("Error setting data output format.");
+
+       if(bno055_set_operation_mode(mode) != BNO055_SUCCESS)
+               ROS_ERROR_STREAM("Error setting operation mode.");
+       
+       imuPub_=node_.advertise<sensor_msgs::Imu>("imu",100);
+       temperaturePub_=node_.advertise<sensor_msgs::Temperature>("temperature",100);
+       magneticFieldPub_=node_.advertise<sensor_msgs::MagneticField>("magnetic_field",100);
+       accelPub_=node_.advertise<geometry_msgs::Vector3Stamped>("acceleration",100);
+       gravityPub_=node_.advertise<geometry_msgs::Vector3Stamped>("gravity",100);
+}
+
+Bno055Node::~Bno055Node(void)
+{
+       imuPub_.shutdown();
+       temperaturePub_.shutdown();
+       magneticFieldPub_.shutdown();
+       accelPub_.shutdown();
+       gravityPub_.shutdown();
+
+       if(uart_) BNO055_tty_close(&bno055_);
+//     else BNO055_i2c_close(&bno055_);
+}
+
+void Bno055Node::publish(void) const
+{
+       ros::Time time=ros::Time::now();
+       
+       sensor_msgs::Imu imuMsg;
+       imuMsg.header.stamp=time;
+       imuMsg.header.frame_id="imu";
+       
+       tf::quaternionEigenToMsg(quaternion_,imuMsg.orientation);
+       for (int i=0; i < 9; i++) imuMsg.orientation_covariance[i]=0.0;
+       imuMsg.orientation_covariance[0]=0.0;
+       imuMsg.orientation_covariance[3]=0.0;
+       imuMsg.orientation_covariance[6]=0.0;
+
+       tf::vectorEigenToMsg(gyro_,imuMsg.angular_velocity);
+       for (int i=0; i < 9; i++) imuMsg.angular_velocity_covariance[i]=0.0;
+       imuMsg.angular_velocity_covariance[0]=0.0;
+       imuMsg.angular_velocity_covariance[3]=0.0;
+       imuMsg.angular_velocity_covariance[6]=0.0;
+
+       tf::vectorEigenToMsg(linearAccel_,imuMsg.linear_acceleration);
+       for (int i=0; i < 9; i++) imuMsg.linear_acceleration_covariance[i]=0.0;
+       imuMsg.linear_acceleration_covariance[0]=0.0;
+       imuMsg.linear_acceleration_covariance[3]=0.0;
+       imuMsg.linear_acceleration_covariance[6]=0.0;
+
+       imuPub_.publish(imuMsg);
+       
+       sensor_msgs::Temperature temperatureMsg;
+       temperatureMsg.header.stamp=time;
+       temperatureMsg.header.frame_id="imu";
+       
+       temperatureMsg.temperature=temp_;
+       temperatureMsg.variance=0.0;
+       
+       temperaturePub_.publish(temperatureMsg);
+       
+       sensor_msgs::MagneticField magneticFieldMsg;
+       magneticFieldMsg.header.stamp=time;
+       magneticFieldMsg.header.frame_id="imu";
+       
+       tf::vectorEigenToMsg(mag_,magneticFieldMsg.magnetic_field);
+       for (int i=0; i < 9; i++) magneticFieldMsg.magnetic_field_covariance[i]=0.0;
+       magneticFieldMsg.magnetic_field_covariance[0]=0.0;
+       magneticFieldMsg.magnetic_field_covariance[3]=0.0;
+       magneticFieldMsg.magnetic_field_covariance[6]=0.0;
+
+       magneticFieldPub_.publish(magneticFieldMsg);
+       
+       geometry_msgs::Vector3Stamped accelMsg;
+       accelMsg.header.stamp=time;
+       accelMsg.header.frame_id="imu";
+       
+       tf::vectorEigenToMsg(accel_,accelMsg.vector);
+       
+       accelPub_.publish(accelMsg);
+       
+       geometry_msgs::Vector3Stamped gravityMsg;
+       gravityMsg.header.stamp=time;
+       gravityMsg.header.frame_id="imu";
+       
+       tf::vectorEigenToMsg(accel_,gravityMsg.vector);
+       
+       gravityPub_.publish(gravityMsg);
+               
+}
+
+void Bno055Node::sample(void)
+{
+       struct bno055_accel_t accel;
+       if(bno055_read_accel_xyz(&accel) == BNO055_SUCCESS)
+               accel_ << accel.x/BNO055_ACCEL_DIV_MSQ,
+                       accel.y/BNO055_ACCEL_DIV_MSQ,
+                       accel.z/BNO055_ACCEL_DIV_MSQ;
+       else ROS_ERROR_STREAM("Error reading acceleration.");
+       
+       struct bno055_mag_t mag;        
+       if(bno055_read_mag_xyz(&mag) == BNO055_SUCCESS)
+               mag_ << mag.x/BNO055_MAG_DIV_UT*1e-6,
+                       mag.y/BNO055_MAG_DIV_UT*1e-6,
+                       mag.z/BNO055_MAG_DIV_UT*1e-6;
+       else ROS_ERROR_STREAM("Error reading magnetometer.");
+
+       struct bno055_gyro_t gyro;
+       if(bno055_read_gyro_xyz(&gyro) == BNO055_SUCCESS)
+               gyro_ << gyro.x/BNO055_GYRO_DIV_RPS,
+                       gyro.y/BNO055_GYRO_DIV_RPS,
+                       gyro.z/BNO055_GYRO_DIV_RPS;
+       else ROS_ERROR_STREAM("Error reading gyroscope.");
+
+       s8 temp;
+       if(bno055_read_temp_data(&temp) == BNO055_SUCCESS)
+               temp_=temp/BNO055_TEMP_DIV_CELSIUS;
+       else ROS_ERROR_STREAM("Error reading temperature.");
+
+       struct bno055_quaternion_t quaternion;
+       if(bno055_read_quaternion_wxyz(&quaternion) == BNO055_SUCCESS)
+       {
+               quaternion_.w()=quaternion.w/BNO055_QUATERNION_DIV;
+               quaternion_.x()=quaternion.x/BNO055_QUATERNION_DIV;
+               quaternion_.y()=quaternion.y/BNO055_QUATERNION_DIV;
+               quaternion_.z()=quaternion.z/BNO055_QUATERNION_DIV;
+       }
+       else ROS_ERROR_STREAM("Error reading quaternion.");
+       
+       struct bno055_linear_accel_t linearAccel;
+       if(bno055_read_linear_accel_xyz(&linearAccel) == BNO055_SUCCESS)
+               linearAccel_ << linearAccel.x/BNO055_LINEAR_ACCEL_DIV_MSQ,
+                       linearAccel.y/BNO055_LINEAR_ACCEL_DIV_MSQ,
+                       linearAccel.z/BNO055_LINEAR_ACCEL_DIV_MSQ;
+       else ROS_ERROR_STREAM("Error reading linear acceleration.");
+
+       struct bno055_gravity_t gravity;
+       if(bno055_read_gravity_xyz(&gravity) == BNO055_SUCCESS)
+               gravity_ << gravity.x/BNO055_GRAVITY_DIV_MSQ,
+                       gravity.y/BNO055_GRAVITY_DIV_MSQ,
+                       gravity.z/BNO055_GRAVITY_DIV_MSQ;
+       else ROS_ERROR_STREAM("Error reading gravity.");
+}
+
+int main(int argc,char* argv[])
+{
+       ros::init(argc,argv,"bno055_node");
+       ros::NodeHandle node;
+       
+       Bno055Node bno055Node(node);
+       
+       ros::Rate loop(100);
+       while(ros::ok())
+       {
+               bno055Node.sample();
+               bno055Node.publish();
+               
+               ros::spinOnce();
+               loop.sleep();
+       }
+       return 0;
+}