All header files and source files of the CANopen Master protocol stack package are located inside the source directory. The following picture shows an overview of the source code structure.

Source code overview

The files inside the source/application directory shall be used to adopt the CANopen Master protocol stack to the target. All other files shall not be modified by the user.

Component	Directory	Description
Code Examples	application/examples-com	Examples for evaluation boards
CANopen Master Templates	application/template-com	Examples for callback functions, object dictionary and stack initialization
CANpie FD API	canpie-fd device	Responsible for reading and writing CAN messages between the CANopen Master protocol stack and the CAN bus
Hardware Abstraction Layer	hal misc	Compiler data type definition and optional hardware abstraction layer
Protocol Stack API	stack-com	Implementation of the CANopen Master protocol stack