Interface 2 - BS1 with 1- BS 2
Archiver
Posts: 46,084
I am looking to interconnect three basicstamps (2 -BS1, 1 BS2) to
operate as one. The purpose is to be able to program as many pins as
possible to toggle in given LED patterns. (Preferably in one pattern
of 32 pins rather than 2 patterns of of 8 pins, and 1 pattern of 16.)
Does this make sense? Then, I wish to program them all using pbasic.
Any help would be greatly appreciated, as I am a novice use of stamps.
Jim
operate as one. The purpose is to be able to program as many pins as
possible to toggle in given LED patterns. (Preferably in one pattern
of 32 pins rather than 2 patterns of of 8 pins, and 1 pattern of 16.)
Does this make sense? Then, I wish to program them all using pbasic.
Any help would be greatly appreciated, as I am a novice use of stamps.
Jim
Comments
Volts article. Have a look:
http://www.parallax.com/dl/docs/cols/nv/vol4/col/104.pdf
-- Jon Williams
-- Applications Engineer, Parallax
-- Dallas Office
Original Message
From: jpicolla [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=_ffxzwgC57Y3jN8vNvkTCQvlDpQyKIrXMDYLRb_HmI7aEkbsv8JIZsWrKTPb04L_8dogI22GMdh2coO_9csLKoEnPcTNWg]jpicolla@w...[/url
Sent: Tuesday, January 13, 2004 12:21 PM
To: basicstamps@yahoogroups.com
Subject: [noparse][[/noparse]basicstamps] Interface 2 - BS1 with 1- BS 2
I am looking to interconnect three basicstamps (2 -BS1, 1 BS2) to
operate as one. The purpose is to be able to program as many pins as
possible to toggle in given LED patterns. (Preferably in one pattern
of 32 pins rather than 2 patterns of of 8 pins, and 1 pattern of 16.)
Does this make sense? Then, I wish to program them all using pbasic.
Any help would be greatly appreciated, as I am a novice use of stamps.
Jim
To UNSUBSCRIBE, just send mail to:
basicstamps-unsubscribe@yahoogroups.com
from the same email address that you subscribed. Text in the Subject
and Body of the message will be ignored.
Yahoo! Groups Links
To visit your group on the web, go to:
http://groups.yahoo.com/group/basicstamps/
To unsubscribe from this group, send an email to:
basicstamps-unsubscribe@yahoogroups.com
Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
This message has been scanned by WebShield. Please report SPAM to
abuse@p....
Maybe you can get some ideas from Application Note 14: Networking Multiple
Stamps from the BS1 Application Notes:
http://www.parallax.com/dl/appnt/stamps/bs1Appnotes.pdf
If you use an asyncronous serial bus, the main issue is to use the same bit
transmition rate (bps) and the same format, start bits, data bits, stop bits.
Another option is to use a synchronous serial bus, but you use one pin as data
and another as clock.
If you use open collector signals the lines could be multidrop and
bidireccional, like the I2C bus.
On the logic part, one option coud be use one BS as the main processor or
Master, and the others as peripherial processors or Slaves. I think this is good
starting point.
Hope this would help,
Tec. Claudio J. P