[slinkelist] Help with Device Files

[AndyStein@aol.com]

    Thanks for the detailed reply.  Unfortunately, my facility with hardware 
makes my software skills look great.  I can't even build the simple switch 
Colby presented on Nirvis's Web site. :) I was hoping somehow to modify the 
file yamaha_vs71360_rx-v890_dsp_receiver.cde to accomplish the ends I 
outlined in my earlier post.  How I don't know.  I hoped to stumble onto the 
answer since I cannot program in anything except Atari BASIC and Applesoft. :)

    I will try to research whether the Yamaha receiver sends control 
information.  I'm not sure what to do with such information if it exists, but 
I'm sure someone can point me in the right direction.


    Andrew


In a message dated 6/25/00 5:07:33 AM Pacific Daylight Time, 
TWHumphrey@fuse.net writes:

<< Can anyone think of a way for CDJ to distinguish CD modes? Perhaps some 
kind
 of counter could remember the number of presses of the remote's CD button
 and thus would know the correct number of additional presses required to
 advance the CD mode to the proper input.
 ---
 One way to set up CDJ and the slink-e to have a "state", is to define half
 of the parallel port's 8 I/O pins as outputs and the other half as inputs.
 Then, put jumper wires on the parallel port to connect the four output pins
 to the four input pins with, e.g., a 5 kiloohm resistor.  (The resistor
 protects the slinke in case you make a wiring mistake or the I/O setup of
 the slinke is set up differently at some point.)  Then, using a lowlevel.cde
 device, whenever you want to save the state of a device, you can write to
 the output lines on the parallel port, a four-bit state value, which will
 remain there until you later want to read the state, at which time you can
 read the four input lines which will have the four previously-written
 values.
 
 I'm not sure this will help you, however, since you still have the problem
 that the slinke will only see IR and not the receiver's responses to IR.
 When you see an IR command you will not know for sure that the receiver also
 saw and reacted to it.  If slinke receives an IR the receiver missed, or
 vice versa, slinke's state will be wrong, and could not be fixed.
 Furthermore, if somebody changes the receiver input with the front panel
 buttons, there would be no IR generated so slinke would not know this
 happened, and once again would be out of sync.
 
 Sony receivers solve this problem by outputting state information each time
 the state changes, on the slink connector.  That, I think, is the only
 reliable way to do what you are trying to do.  Perhaps your Yamaha has a
 connector on the rear that outputs control information for other components.
 If so, perhaps you can decode the Yamaha control information and manage it

 with the slinke.  If you do, I'm sure many Yamaha fans in the CDJ community
 will be indebted to you.
  >>