MATLAB REAL-TIME WORKSHOP EMBEDDED CODER - S Bedienungsanleitung PDF herunterladen (Seite 25)

4.2 Readability and Traceability

4.2.1 TargetLink

The generated code is well documented and follows the model designed in

TargetLink. Any block in the model can be tracked in the code by either name or

by following the code and comparing with the model.

The names of variables, blocks outputs, states or parameters in the generated code

can be defined manually in every block or automatically generated by TargetLink

using name macros. Every name macro starts with $ followed by a letter which is

replaced by the string it represents during code generation. E.g. $M$B is replaced

by <model name><block name> in the generated code. TargetLink has a total of

20 name macros.

TargetLink gives full freedom to change the code interface as desired. Any

subsystem in the model can be chosen to be generated as a function with certain

parameters and function returns if desired.

4.2.2 Real-Time Workshop Embedded Coder

RTW EC generates a code that is readable and can be traced if the Simulink

model is followed carefully.

Embedded coder generates, if selected, a html report of the generated code where

the code can be followed. In the code comments in the html report there are links

to the blocks in the model. By just pressing on the block name in the code the

corresponding block in the model is highlighted.

Any signal can be named and accessed in the code. The user can for example

name a signal between two blocks and make it defined as a global variable in the

generated code. Variables, blocks outputs, signals, states and parameters are

automatically named in the same way as for TargetLink. RTW EC has less name

macros to choose from, it has totally 6 name macros. These name macros apply to

the whole model simultaneously and the user can not specify certain name macros

for every block separately.

RTW EC is limited in the choice of code interface. Non-reusable and reusable are

the only possible options here.

Function return is not supported in RTW EC.

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MATLAB REAL-TIME WORKSHOP EMBEDDED CODER - S Bedienungsanleitung Seite 25