talking serial to SitePlayer
janb
Posts: 74
Hi,
I have trouble w/ establishing of·serial comunication w/ sitePlayer using the prop.
The serial connection is done·based on this diagram:
http://design.stanford.edu/spdl/ME218c/WebDocs/SitePlayerSchematic.html
except I used R3=10K, drop R4 and C5. Jumper J3 is left open.
The attached following SPIN code works badly.
It asks for default IP and should return
C0.A8.1.FA - the default sitePlayer seting.
Instead I'm receive different values each time:
40.28.01.fa
80.88.00.fa
c0.08.01.fa
...
So it looks like the first bit is dropped at random from one of the first 3 bytes, but never from the last byte.
The funny thing is if I connect Rx & Tx to the BasicStamp 2P it works perfect with the attached program.
Could you advise me how to fix my SPIN code (or hardware)
Thanks
Jan
I have trouble w/ establishing of·serial comunication w/ sitePlayer using the prop.
The serial connection is done·based on this diagram:
http://design.stanford.edu/spdl/ME218c/WebDocs/SitePlayerSchematic.html
except I used R3=10K, drop R4 and C5. Jumper J3 is left open.
The attached following SPIN code works badly.
It asks for default IP and should return
C0.A8.1.FA - the default sitePlayer seting.
Instead I'm receive different values each time:
40.28.01.fa
80.88.00.fa
c0.08.01.fa
...
So it looks like the first bit is dropped at random from one of the first 3 bytes, but never from the last byte.
The funny thing is if I connect Rx & Tx to the BasicStamp 2P it works perfect with the attached program.
Could you advise me how to fix my SPIN code (or hardware)
Thanks
Jan
