converting input pins to a decimal number?

grkblood13

hey, im new to the basic stamp.·I have an A/D converter and·I am trying to find a way to convert a string of high and low signals (P0-P7) into a decimal number. Can any1 help me out with this? Thanks in advance.

Bean

What A/D converter are you using ?

By (P0-P7) do you mean the 8 signals are on pin 0 thru pin 7 (using 8 pin of the basic stamp) ?

Bean.

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Unsoundcode

Hi grkblood13, if your using P0 to P7 then

value var byte

value=INL

debug DEC value

Jeff T.

grkblood13

hey, thanks for the help. you made that too easy. i might have some other questions along the way.

grkblood13

hey, i was just wondering what i would need to do to make it (po-p8) other than using the INS command. i want more accurate results so im thinking about going up one more bit but i am also using other pins for other things so i cant use the INS command b/c the other pins will throw the reading off.

allanlane5

MyWord VAR WORD


MyWord = INS & $01FF ' This 'masks' off the 'don't care' bits

' Note any pins set for 'input' or 'output' will remain set that way.
' Any pin set for output will return the value last sent to the 'output latch',
' but you mask that value off as a 'don't care'.
' But reading that bit won't affect its input/output state, or its value, so
' you can do that without having a 'bad effect'.