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Altera_Forum
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8 years ago

VHDL Code For Ultrasonic Distance Sensor HC-SR04

I am trying to write the VHDL code for it but it is not working, it shows always 00 ( cm1 = 0 and cm0 = 0). Can you pleaseee help me? Do you detect any problem in the code: Summation of how the...
Altera_Forum's avatar
Altera_Forum
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8 years ago

There are many tutorials on the internet on how to write a testbench.

I suggest having a go yourself, and coming back here with any issues you are having.

One thing I would recommend is that you do not use variables. Use all signals