Proxy Driver
===================
A proxy driver which simply forwards CANopen functionality for a specific device via ROS2 services and messages.

Services
--------

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  * - Services
    - Type
    - Description
  * - ~/nmt_reset_node
    - Trigger
    - Resets CANopen Device the Proxy Device Node manages.
  * - ~/sdo_read
    - CORead
    - Reads an SDO object from the specified index, subindex and datatype of the remote device.
  * - ~/sdo_write
    - COWrite
    - Writes data to an SDO object on the specified index, subindex and datatype of the remote device.


Publishers
----------

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  * - Topic
    - Type
    - Description
  * - ~/nmt_state
    - String
    - Publishes NMT state on change
  * - ~/rpdo
    - COData
    - Publishes received PDO objects on reception

Subscribers
-----------

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  * - Topic
    - Type
    - Description
  * - ~/tpdo
    - COData
    - Writes received data to remote device if the specified object is RPDO mapped on remote device.