Serial com. success!
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Posts: 46,084
Hey, thanks, I has the actual 6th and 7th pin of the bs2sx wired,
thanks, fixing that made it work. I'm getting serin input back from
the camera too (without even using the subroutine thing).
I don't actualy have a programming switch, I just have a jumper for a
programming 'switch' and it must be on the right two pins (towards
the number 2) because everything is working fine now.
Thanks again!
--- In basicstamps@yahoogroups.com, "D. Daniel McGlothin" <ddm@m...>
wrote:
> Sam,
>
> Is the CMUcam's demo-mode jumper still in place on the Level
Shifted Serial
> Port?
>
> Is the CMUcam's Programming Switch in the OFF position?
>
> Is it possible that you have overlooked the fact that pins labeled
P6 and P7
> (used by the SERIN & SEROUT) are not the 6th and 7th pin on the
Stamp, but
> are the 11th and 12th pin?
>
> When you say you are "able to download to the BS2sx", you mean that
you can
> program the Stamp from your PC, correct?
>
> HTH,
> Daniel
>
>
>
Original Message
> From: "Sam" <hard-on@t...>
> To: <basicstamps@yahoogroups.com>
> Sent: Saturday, 05 April 2003 21:19
> Subject: [noparse][[/noparse]basicstamps] Serial com. probs w/ bs2sx and CMUCam
>
>
> > hi, I finally got my stamps (bs1 and a bs2sx) working thanks to
help
> > from you guys. Thanks a lot. Now I'm trying to integrate the bs2sx
> > with a cmucam (not modified by parallax). I'm having trouble
sending
> > and receiving serial data between the bs2sx and the cmucam. This
is
> > what I have done so far:
> > 1)I couldn't find the jumpers so I just wired the appropriate
pins on
> > the cmucam together to set up for 9600 baud rate ('jumper 2'
> > and 'jumper 3').
> > 2) I've wired bs2sx pin 6 to the RX pin on the cmucam (within the
> > cmucam's 'ttl serial' pin group),
> > wired bs2sx pin 7 to the TX pin on the cmucam(within the
> > cmucam's 'ttl serial' pin group),
> > and wired the bs2sx GND pin to the TTL serial GND pin on the
cmucam.
> > 3)The cmucam and bs2sx are powered seperately (red led on cmucam
is
> > on, and I'm able to download to the bs2sx).
> > 4)I've tried the following code with the 'MAX232' chip in and
with it
> > out of its cmucam socket (I read in the cmucam documentation that
it
> > might be necessary to remove it for ttl serial communication).
> >
> > In running my code below, the cmucam tracking (green) LED does not
> > turn on as I tell it to. If I do a serin 6,240,[noparse][[/noparse]wait (":")] after
the
> > serout, the program stalls at this point (the : is never
received). I
> > have tried the suggestion of someone on this mesage board to put
the
> > serin in a seperate subroutine to 'get the timing right' and this
has
> > not worked either. Could you give any suggestions? My code is
below
> > (the 13 is ascii for cr):
> > When I run this code, the green cmucam LED doesn't turn on.
> >
> > main:
> > debug "init"
> > serout 7,240,[noparse][[/noparse]"L1 1",13]
> > 'goto GetInfo
> > debug "after"
> > end
> >
> > GetInfo:
> > serin 6,240,[noparse][[/noparse]wait (":")]
> > return
thanks, fixing that made it work. I'm getting serin input back from
the camera too (without even using the subroutine thing).
I don't actualy have a programming switch, I just have a jumper for a
programming 'switch' and it must be on the right two pins (towards
the number 2) because everything is working fine now.
Thanks again!
--- In basicstamps@yahoogroups.com, "D. Daniel McGlothin" <ddm@m...>
wrote:
> Sam,
>
> Is the CMUcam's demo-mode jumper still in place on the Level
Shifted Serial
> Port?
>
> Is the CMUcam's Programming Switch in the OFF position?
>
> Is it possible that you have overlooked the fact that pins labeled
P6 and P7
> (used by the SERIN & SEROUT) are not the 6th and 7th pin on the
Stamp, but
> are the 11th and 12th pin?
>
> When you say you are "able to download to the BS2sx", you mean that
you can
> program the Stamp from your PC, correct?
>
> HTH,
> Daniel
>
>
>
Original Message
> From: "Sam" <hard-on@t...>
> To: <basicstamps@yahoogroups.com>
> Sent: Saturday, 05 April 2003 21:19
> Subject: [noparse][[/noparse]basicstamps] Serial com. probs w/ bs2sx and CMUCam
>
>
> > hi, I finally got my stamps (bs1 and a bs2sx) working thanks to
help
> > from you guys. Thanks a lot. Now I'm trying to integrate the bs2sx
> > with a cmucam (not modified by parallax). I'm having trouble
sending
> > and receiving serial data between the bs2sx and the cmucam. This
is
> > what I have done so far:
> > 1)I couldn't find the jumpers so I just wired the appropriate
pins on
> > the cmucam together to set up for 9600 baud rate ('jumper 2'
> > and 'jumper 3').
> > 2) I've wired bs2sx pin 6 to the RX pin on the cmucam (within the
> > cmucam's 'ttl serial' pin group),
> > wired bs2sx pin 7 to the TX pin on the cmucam(within the
> > cmucam's 'ttl serial' pin group),
> > and wired the bs2sx GND pin to the TTL serial GND pin on the
cmucam.
> > 3)The cmucam and bs2sx are powered seperately (red led on cmucam
is
> > on, and I'm able to download to the bs2sx).
> > 4)I've tried the following code with the 'MAX232' chip in and
with it
> > out of its cmucam socket (I read in the cmucam documentation that
it
> > might be necessary to remove it for ttl serial communication).
> >
> > In running my code below, the cmucam tracking (green) LED does not
> > turn on as I tell it to. If I do a serin 6,240,[noparse][[/noparse]wait (":")] after
the
> > serout, the program stalls at this point (the : is never
received). I
> > have tried the suggestion of someone on this mesage board to put
the
> > serin in a seperate subroutine to 'get the timing right' and this
has
> > not worked either. Could you give any suggestions? My code is
below
> > (the 13 is ascii for cr):
> > When I run this code, the green cmucam LED doesn't turn on.
> >
> > main:
> > debug "init"
> > serout 7,240,[noparse][[/noparse]"L1 1",13]
> > 'goto GetInfo
> > debug "after"
> > end
> >
> > GetInfo:
> > serin 6,240,[noparse][[/noparse]wait (":")]
> > return