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Danlar81's avatar
Danlar81
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3 years ago

VHDL AND Logic working as OR logic

Hello, I am fairly new to VHDL programming. I purchased a Udemy online course to begin learning along with a cheap Chinese development board which is used in the course, see link below. The dev bo...
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ShengN_altera's avatar
ShengN_altera
Icon for Super Contributor rankSuper Contributor
3 years ago

Hi,

I had tested the code in one of the device DE1-SOC Cyclone V and seems like the code working fine (check screenshot attached):

11: Led illuminate

10: Led no illuminate

01: Led no illuminate

00: Led no illuminate

May be led of Cyclone IV EP4CE6E22 FPGA a bit different which is active low.

Thanks,

Best Regards,

Sheng

  • Danlar81's avatar
    Danlar81
    Icon for New Contributor rankNew Contributor
    3 years ago

    Hi,

    Thank you for checking the code.

    I had to add inverters to all the inputs and outputs to get it to work they way I wanted.

    Appreciate you verifying.