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Altera_Forum's avatar
Altera_Forum
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11 years ago

i want to set time with keypad or keyboard using DE2 board

hello i got the digital clock using vhdl. but my code is to set the time with switches. i want to set the time by using keyboard or keypad. so, i think i don't have many things to change in my...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

First, how do you connect the keyboard or keypad. Just buttons is easiest. For each button a GPIO pin and then you could just read that. Another option is to use protocols like PS/2 or USB. I have some experience in designing hardware for PS/2 and if you only want to read the design is relatively simple. I have no idea how to use USB. There might be a design in the IP catalogue you can use.