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FvM, i couldn't really see the problem you're refering to, if you're talking about encoding the floor sensors not to read 1 and 2 in going from 0 to 3 than it's done. an encoder is instantiated on the top level for this purpose together with the keypads' inputs. i hope that's the point you're talking about, let me know if i'm wrong. merci a toi :cool:
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When Fsensor1 is "011" the F1 display is set to 3. Then Fsensor1 is going to some value, like "000" or "111" and you expect F1 to hold it's value.The problem is that Fsensor1's 3 bits won't flip all at the exact same time. So, the logic will see stuff like "010" or "001" as FsensorX changes from "011" to "000".And you really can't avoid this problem. You might not be seeing any problem but.. the problem can still
occur.In order to have a reliable design, you need to use a clocked design.
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