[demo_nodes_cpp] some readme and executable name fixups (#678)

Signed-off-by: Mikael Arguedas <mikael.arguedas@gmail.com>
ros2 · May 6, 2024 · aa8df89 · aa8df89
1 parent fafd891
commit aa8df89
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Showing 2 changed files with 14 additions and 10 deletions.
diff --git a/demo_nodes_cpp/CMakeLists.txt b/demo_nodes_cpp/CMakeLists.txt
@@ -121,7 +121,7 @@ create_demo_library("demo_nodes_cpp::SetAndGetParameters" set_and_get_parameters
 create_demo_library("demo_nodes_cpp::ParameterEventsAsyncNode" parameter_events_async
   FILES src/parameters/parameter_events_async.cpp
   DEPENDENCIES ${rcl_interfaces_TARGETS} rclcpp::rclcpp rclcpp_components::component)
-create_demo_library("demo_nodes_cpp::EvenParameterNode" event_parameters_node
+create_demo_library("demo_nodes_cpp::EvenParameterNode" even_parameters_node
   FILES src/parameters/even_parameters_node.cpp
   DEPENDENCIES ${rcl_interfaces_TARGETS} rclcpp::rclcpp rclcpp_components::component)
 create_demo_library("demo_nodes_cpp::SetParametersCallback" set_parameters_callback

diff --git a/demo_nodes_cpp/README.md b/demo_nodes_cpp/README.md
@@ -208,7 +208,7 @@ ros2 run demo_nodes_cpp allocator_tutorial
 
 ### Parameter Events
 
-This runs `parameter_events`/`parameters_events_async` ROS 2 node(s) which initiates 10 parameter events which changes an example string parameter.
+This runs `parameter_events`/`parameter_events_async` ROS 2 node(s) which initiates 10 parameter events which changes an example string parameter.
 
 > foo -> bar -> baz -> foobar -> foo -> bar -> baz -> foobar -> foo -> bar
 
@@ -609,31 +609,36 @@ Run `ros2 param set /even_parameters_node myint 3` to set the parameter to an in
 
 #### [Before]
 
-Run `ros2 param get /set_parameters_callback param1` should print the following to terminal:
+Run `ros2 param get /set_param_callback_node param1` should print the following to terminal:
 ```bash
 Double value is: 0.0
 ```
 
-Run `ros2 param get /set_parameters_callback param2` should print the following to terminal:
+Run `ros2 param get /set_param_callback_node param2` should print the following to terminal:
 ```bash
 Double value is 0.0
 ```
 
 #### [Change]
 
-Run `ros2 param set /set_parameters_callback param1 28.0` should print the following to terminal:
+Run `ros2 param set set_param_callback_node param1 10.0` and see it fail with
+```bash
+Setting parameter failed: cannot set 'param1' > 5.0
+```
+
+Run `ros2 param set set_param_callback_node param1 3.0`
 ```bash
 Set parameter successful
 ```
 
 #### [After]
 
-Run `ros2 param get /set_parameters_callback param1` should print the following to terminal:
+Run `ros2 param get /set_param_callback_node param1` should print the following to terminal:
 ```bash
 Double value is: 28.0
 ```
 
-Run `ros2 param get /set_parameters_callback param2` should print the following to terminal:
+Run `ros2 param get /set_param_callback_node param2` should print the following to terminal:
 ```bash
 Double value is 4.0
 ```
@@ -646,15 +651,14 @@ When executed correctly, strings should be printed to terminal similar to what i
 INFO] [1674568261.762813104] [parameter_blackboard]: Parameter blackboard node named '/parameter_blackboard' ready, and serving '5' parameters already!
 ```
 
-Running `ros2 param list` should reveal the 5 parameters served:
+Running `ros2 param list` should reveal the 6 parameters served:
 ```bash
 /parameter_blackboard:
   qos_overrides./parameter_events.publisher.depth
   qos_overrides./parameter_events.publisher.durability
   qos_overrides./parameter_events.publisher.history
   qos_overrides./parameter_events.publisher.reliability
-  use_sim_time
-/rqt_gui_py_node_33886:
+  start_type_description_service
   use_sim_time
 ```