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how to code a button to turn on/of the 7-segment displays?

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SaadGhamdi

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I have this project of multiple and I guess I almost finished it :)

but I have a small problem, one of the modules is about controlling the displays (turning them on or off) using a button and that module is synchronized with a clock as the project's instruction shows, I thouth I should use a t flip flop, am I right or do you have any suggestions?
 

A TFF can do it.
Just make sure that the output of the Push Button is debouched.
 

shaiko said:
A TFF can do it.
Just make sure that the output of the Push Button is debouched.
Click to expand...

what do you mean by debounced? sorry I'm a newbie when it comes to Verilog
 

When closing/breaking an electrical circuit via mechanical means - I.E: a push button, a switch, etc...
The operation will usually multiple toggles. This is because of the "imperfect nature" of the contacts.

https://www.youtube.com/watch?v=hAVQpKVck9s
 

what do you mean by debounced? sorry I'm a newbie when it comes to Verilog
Click to expand...

Switch debouncing concept has nothing to do with RTL coding. It is a concept taught in most universities across the world in the digital systems design course.

For a basic overview look here:


but I have a small problem, one of the modules is about controlling the displays (turning them on or off) using a button and that module is synchronized with a clock as the project's instruction shows, I thouth I should use a t flip flop, am I right or do you have any suggestions?
Click to expand...
Are you using an FPGA/ In that case, just register your input from the mechanical switch to your design. In most cases it will solve the problem.
 

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