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2837xd code generation - stateflow (4)
2022-07-02 09:37:00 【Quikk】
2837xd Code generation ——StateFlow(4)
16 Chart debugging
stay Animation You can set the transfer speed of the debugging process .
16.1 Set breakpoint type :
1)chart Only When entering The breakpoint of :
After hitting the breakpoint , There will be corresponding signs in the lower left corner .
2)State Breaking point , There are three types :I、 Get into State II、 stay State in III、 sign out State
After hitting the breakpoint ,State2 The corresponding logo will appear in the lower left corner , Click to see the breakpoint type :
3) Same operation , Transfer can also break into breakpoints :
4) stay Model Explorer You can set breakpoints for events in :
16.2 Breakpoint management :
Click any breakpoint , Click... In the dialog box that appears Breakpoints List Enter breakpoint management . This breakpoint management is not limited to a certain model , If you open multiple models , Then the breakpoints of multiple models will be displayed on the breakpoint management .
The breakpoint management interface is as above , The official routine used here (Command Window Input sf_car You can enter ). On the interface of breakpoint management Condition The meaning is : When the conditions are met , Breakpoints will take effect . This follows C The middle break point , We sometimes hope that in the cycle , How many times does the loop enter the breakpoint .Hits Is the number of times to enter the breakpoint .
Breakpoints can be located faster Chart What's wrong with .
17 Watch Data
On the signal line , Right click to select join Watch Data Window:
After choosing , Will pop up Watch Data Window The window of . hinder DEBUG that will do .
18 call Work Space Variable
The basic language format of the call is
y=ml.x; //x Need to be in Work Space Has been defined in ;
Be careful : Need to put chart The action language of is set to C Verbal action (Matlab Language doesn't work )
Other operations are the same as routine :
Here you can quickly define the callback function of the model , Define , Exempt from manual definition ( Please refer to the callback function for details Simulink explain ):
ml Statements can also be overloaded :
y=ml('sin(%f)',u); //u yes Work Space The variable of , there sin The function can be replaced by any Matlab Is a built-in function of
y=ml.my_sin(u); //my_sin I wrote it myself matlb Function file
19 StateFlow call c Code
Write them separately .c and .h The files are placed in the same directory :
Then enter Configuration Parameters The relevant settings are made in :
And then in Chart Call in . Here, because the introduction is C Language file , So action language must be chosen C Language .
20 2837d Use Chart Build models and build examples
Here is a real-time timer module , It is divided into initialization module and XINT Module and counter module .
1) Variables are used here Data Store Memory modular , In the attribute, you can Set the type of variable .
2) Initialization module . initialization KEY Used as an external interrupt , Originally wanted to use LED The light indicates the initialization process , But it failed . as a result of : The generated code will GPIO The two instructions of are placed in step Function to run . Now I think of , Directly add the functions of lighting and extinguishing in the initialization module . Because the code added by the initialization module is always placed at the end of the initialization function . For example : If the generated code is used GPIO0 As I/O Use , Then it must be initialized in the initialization module . In the initialization code, you can directly use bit operation to GPIO Port assignment can be operated . But the following steps must be used GPIO0.( Only in this way can it be initialized ).
3) External interrupt function module , The functions of the two interrupt functions here are the same . Are in interrupt functions , take (0-1 loop ) The value of is stored in the variable (XINT1、XINT2) in . If the last execution XINT function , What's stored is 0, Then the next execution will store 1. This produces the rising edge of a pulse . The corresponding falling edge can be generated . This edge signal can be used as Chart Events .
4)Chart The module realizes the function of counting , Can be XINT1、XINT2 Start and reset the count respectively . there TIC The event is an event that occurs with the step size 0、1 Sequence , If the step size is set to 0.01, So when it comes to execution 100 Time TIC event . It can be considered that 1 second . after 60s will min Designated as +1. Pay attention because ccs Use c Code driven , So here chart The action language must be c Language .
5) experimental result . It's directly on here SCI_A Enter simulation mode , Then press the key to enter Running:
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