NAME

       updown - Counts up or down, with optional limits and wraparound behavior

SYNOPSIS

       loadrt updown [count=N|names=name1[,name2...]]

FUNCTIONS

       updown.N
              Process inputs and update count if necessary

PINS

       updown.N.countup bit in
              Increment count when this pin goes from 0 to 1

       updown.N.countdown bit in
              Decrement count when this pin goes from 0 to 1

       updown.N.reset bit in
              Reset count when this pin goes from 0 to 1

       updown.N.count s32 out
              The current count

PARAMETERS

       updown.N.clamp bit rw
              If TRUE, then clamp the output to the min and max parameters.

       updown.N.wrap bit rw
              If  TRUE,  then  wrap  around  when  the  count goes above or below the min and max
              parameters.  Note that wrap implies (and overrides) clamp.

       updown.N.max s32 rw (default: 0x7FFFFFFF)
              If clamp or wrap is set, count will never exceed this number

       updown.N.min s32 rw
              If clamp or wrap is set, count will never be less than this number

AUTHOR

       Stephen Wille Padnos

LICENSE

       GPL