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Altera_Forum's avatar
Altera_Forum
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12 years ago

Trying to on led using the input from pir sensor

Hi guys im very new in VHDL and im trying to write a program as to turn on an LED from the GPIO_0 which i put a PIR sensor to it..the PIR sensor is directly connectted to GPIO_O(0).. so the problem ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

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If you just need to maintain the output, you can just use a counter. After the output you want to maintain is generated, set the counter to the number of clock cycles you want to hold your value, and decrement it by one on each cycle. When it reaches zero, stop maintaining the value.

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Tq mr daixiwen