Hi,
I really don t understand what is wrong in my program.
I cannot get a custom msg working, I think it depends on the dependecies with the other packages. Here is my bone program: a simple publisher that should output a float32 just for testing:
#include
#include "msg/customMsg.msg"
int main( int argc, char **argv ) {
ros::init( argc, argv, "node_anadyr" );
ros::NodeHandle node;
ros::Publisher pub = node.advertise( "topic_alpha", 100 );
ros::Rate rate( 2 );
while( ros::ok() ) {
msg::customMsg message;
message.data = 3.3;
pub.publish( message );
rate.sleep();
}
}
Of course i created a folder in my package:
jack@D-21:~/workspace_ros/src/anadyr$ ls -l | grep msg
drwxrwxr-x 2 jack jack 4096 Jul 25 23:26 msg
inside I put the following file
customMsg.msg
containing the following line:
float32 data
but when I run the catkin_make I get the following error
....
....
####
#### Running command: "make -j1 -l1" in "/home/wilhem/workspace_ros/build"
####
Scanning dependencies of target anadyr
[ 10%] Building CXX object anadyr/CMakeFiles/anadyr.dir/main.cpp.o
In file included from /home/wilhem/workspace_ros/src/anadyr/main.cpp:2:0:
/home/wilhem/workspace_ros/src/anadyr/msg/customMsg.msg:1:1: error: ‘float32’ does not name a type
float32 data
^
make[2]: *** [anadyr/CMakeFiles/anadyr.dir/main.cpp.o] Fehler 1
make[1]: *** [anadyr/CMakeFiles/anadyr.dir/all] Fehler 2
make: *** [all] Fehler 2
Invoking "make" failed
Here is my CMakelist.txt
cmake_minimum_required(VERSION 2.8.3)
project(anadyr)
find_package(catkin REQUIRED COMPONENTS roscpp message_generation std_msgs)
## Generate messages in the 'msg' folder
add_message_files(
FILES
customMsg.msg
)
## Generate added messages and services with any dependencies listed here
generate_messages(
DEPENDENCIES
std_msgs
)
catkin_package(
CATKIN_DEPENDS
message_runtime
std_msgs
)
# add_executable(anadyr_node src/anadyr_node.cpp)
add_executable(anadyr main.cpp)
target_link_libraries(anadyr ${catkin_LIBRARIES})
and here my package.xml:
anadyr 0.0.0 The anadyr package wilhem TODO catkin roscpp message_generation std_msgs roscpp message_runtime std_msgs
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