Matrix keypad programming

Ian Rogers · Feb 11, 2018

The screen shot is just debugging and schematics...

Parth86 · Feb 11, 2018

Ian Rogers said:
The screen shot is just debugging and schematics...

Ian Rogers Thanks a lot for your help I was trying to learn this from many days. But I was not getting the right path Now I will practice on this

be80be · Feb 11, 2018

Proteus is a $7000.00 program And parth you have the full thing I'm just wondering

Ian Rogers · Feb 12, 2018

be80be said:
Proteus is a $7000.00 program And parth you have the full thing I'm just wondering

If you have the 8051 model It only costs £300..

be80be · Feb 12, 2018

I was looking last night i figured that the full thing was 7000.
I could of got it free for life 12 years ago

Parth86 · Feb 14, 2018

Ian Rogers said:
You work with Proteus. Then you can use the debug file to single step through the code...

I don't have full access of Proteus. I am using free version. I can debug file to single step but I can't see the code

Ian Rogers · Feb 14, 2018

Parth86 said:
I don't have full access of Proteus. I am using free version. I can debug file to single step but I can't see the code

Seemed to be okay in post #59.... What are you expecting..

Parth86 · Feb 14, 2018

Ian Rogers said:
Seemed to be okay in post #59.... What are you expecting..

The debug window autonomic stops when I debug the program. So that I can not debug the program

Ian Rogers · Feb 14, 2018

Parth86 said:
The debug window autonomic stops when I debug the program.

You'll have to clarify that!!! No idea what that meant!!

Parth86 · Feb 14, 2018

Ian Rogers said:
You'll have to clarify that!!! No idea what that meant!!

Whenever I try to debug code, simulator automatically closed after sometime. I am not able to debug code on proteus. I don't have license key. I am using free version

Ian Rogers · Feb 14, 2018

Oh!! That's a bit of tough luck....

You may well have to use a lesser simulator.... MCU8051IDE... It works with asm and SDCC... But it isn't real time..

Parth86 · Feb 18, 2018

Ian Rogers said:
That's a connection error... Show me you circuit in proteus.... I needed 4 pullups on key port as the port needs to see 5v on each row and 0v if a key is pressed..

Please look at circuit

Does my connection looks right ?

be80be · Feb 18, 2018

Proteus Is not much good if your using the free copy you be way ahead to buy a handful of parts and use the real thing plus learn how to use your IDE it have a sim built into it.

Matrix keypad programming

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