On Thursday, May 22, 2014 8:17:51 PM UTC+9, Jesse wrote: > > Hey guys, I am trying to build a program that can instruct a single > elevator, 2 floor system how to behave based on the state of an atom that > is being constantly checked for updates by a loop. The state of the atom at > a given time is then used to determine the conditional behavior of a > move-elevator function. > > It is the first time I have ever written a program like this before, so I > am not sure if I am doing it efficiently or not. Everything works fine up > until the final *init* loop, where it freezes up my computer or ends > prematurely. In Joy of Clojure, I saw a cool program using *case* and* > trampoline *that is related to elevators, but somewhat different from > what I am doing. I am not sure if those functions, *cond,* or perhaps > *condp*, using *recur*, would be better for my use-case. > > I run a go-loop in the background that reads inputs from first or second > floor button presses, *up* or *down,* from a channel, and updates the > state of an atom, that is read by the move-elevator function. I am not sure > if/how to call the move-elevator function to have the whole process run > continuously, by itself, after I call the *init *function. Right now I > have to call the move-function manually. Other than that, the whole things > works fine. Could somebody please give me some helpful pointers to make my > code more professional and/or sophisticated, or more general advice on > using Clojure to design programs that interface with in mechanical systems? > Is using an async channel to store presses here a good choice? This article > here, creating ATM machine functionality using case and core.async, also > inspired me: > http://www.neo.com/2014/05/18/using-a-core-async-routine-as-a-state-machine > > The code is a little long (80 lines), so below is a link to the github > gist. > > https://gist.github.com/gamma235/4ea0d7a0d0efb8d4399f > > Thanks ahead of time! > > Jesse > > > >
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