10 Model Advisor Checks

Simulink Checks

In this section...

“Simulink Check Overview” on page 10-4

“Identify unconnected lines, input ports, and output ports” on page 10-5 “Check root model Inport block specifications” on page 10-6

“Check optimization settings” on page 10-7

“Check for parameter tunability information ignored for referenced models” on page 10-10

“Check for implicit signal resolution” on page 10-11 “Check for optimal bus virtuality” on page 10-12

“Check for Discrete-Time Integrator blocks with initial condition uncertainty” on page 10-13

“Identify disabled library links” on page 10-14 “Identify parameterized library links” on page 10-15 “Identify unresolved library links” on page 10-16

“Identify model reference variants and variant subsystems that override variant choice” on page 10-17

“Identify configurable subsystem blocks for converting to variant subsystem blocks” on page 10-18

“Check usage of function-call connections” on page 10-18 “Check signal logging save format” on page 10-19

“Check Data Store Memory blocks for multitasking, strong typing, and shadowing issues” on page 10-21

“Check if read/write diagnostics are enabled for data store blocks” on page 10-23

“Check data store block sample times for modeling errors” on page 10-25

“Check for potential ordering issues involving data store access” on page 10-26

10-2

Simulink® Checks

In this section...

“Check for partial structure parameter usage with bus signals” on page 10-28

“Check for calls to slDataTypeAndScale” on page 10-30 “Check for proper bus usage” on page 10-32

“Check for potentially delayed function-call subsystem return values” on page 10-34

“Identify block output signals with continuous sample time and non-floating point data type” on page 10-35

“Check for proper Merge block usage” on page 10-36

“Check consistency of initialization parameters for Outport and Merge blocks” on page 10-37

“Check for non-continuous signals driving derivative ports” on page 10-55 “Runtime diagnostics for S-functions” on page 10-57

“Check file for foreign characters” on page 10-59

“Check model for known block upgrade issues” on page 10-64

“Check model for known block upgrade issues requiring compile time information” on page 10-65

“Check that the model is saved in SLX format” on page 10-68 “Check Model History properties” on page 10-70

“Analyze model hierarchy for upgrade issues” on page 10-72

“Check and update masked blocks in library to use promoted parameters” on page 10-74

10-3