Warning: HDLCoder can not find a valid sample time for the model.

2014 5 5
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更新时间：2014 5 5
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Hi guys.
I have this error during using HDL coder. But I don't understand the meaning. "Warning: HDLCoder can not find a valid sample time for the model. All rates are 0 (continuous)" Anyone know about this problem? Thanks in advance

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Tim McBrayer
Tim McBrayer 2014-5-5

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Digital hardware is best modeled in Simulink using the Fixed-step Discrete solver. This warning is informing you that a) you are using a variable-step solver, and b) that you have not specified any discrete rates anywhere in the system. The solution is to change the solver used by Simulink. The solver setting is found in the configuration parameters dialog. Alternatively, you can run:
>> hdlsetup('modelname')
This will set the solver appropriately, as well as set a number of other global model settings to ensure best compatibility for HDL Coder.

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