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Absolute beginner — Parallax Forums

Absolute beginner

ArchiverArchiver Posts: 46,084
edited 2002-08-10 17:22 in General Discussion
I would like to know the answers to the following questions:

1) Does a PC connected to a BasicStamp have access to the I/O lines on
the stamp ?

2) If yes, can the PC running a separate program from the stamp,
control the I/O lines ?

3) In other words, Can a PC running software written in assembler, C
or other languages control outside world devices and read
conditions from those devices ?

All help greatly appreciated. I am just trying to determine the
capability of the Basic stamps.
Thanks,
Frank

Comments

  • ArchiverArchiver Posts: 46,084
    edited 2002-08-10 05:28
    There is an example of using a VB program to control a Stamp in
    Microcontroller Projects with Basic Stamps (available from Parallax or
    Amazon, etc.).

    Al Williams
    AWC
    * NEW: PAK-VIa - Read PS/2 keyboards or mice -- double the buffer, lower
    current consumption.
    http://www.al-williams.com/awce/pak6.htm




    >
    Original Message
    > From: fpickens [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=5k1Ypi0AzGCDk0R7rvAieap6er5f8IVJSFjnYMmoSIwxtikyrlSMsOq5n8zWaGSDVS6JT-MWn-dMBEXzkBHrPfU6Eg]jpickens@t...[/url
    > Sent: Friday, August 09, 2002 5:49 PM
    > To: basicstamps@yahoogroups.com
    > Subject: [noparse][[/noparse]basicstamps] Absolute beginner
    >
    >
    > I would like to know the answers to the following questions:
    >
    > 1) Does a PC connected to a BasicStamp have access to the I/O
    > lines on
    > the stamp ?
    >
    > 2) If yes, can the PC running a separate program from the stamp,
    > control the I/O lines ?
    >
    > 3) In other words, Can a PC running software written in assembler, C
    > or other languages control outside world devices and read
    > conditions from those devices ?
    >
    > All help greatly appreciated. I am just trying to determine the
    > capability of the Basic stamps.
    > Thanks,
    > Frank
    >
    >
    >
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  • ArchiverArchiver Posts: 46,084
    edited 2002-08-10 17:22
    fpickens wrote:

    > 1) Does a PC connected to a BasicStamp have access to the I/O
    > lines on the stamp ?

    Yes, indirectly via your Stamp's program.

    > 2) If yes, can the PC running a separate program from the stamp,
    > control the I/O lines ?

    Same answer as above.

    > 3) In other words, Can a PC running software written in assembler,
    > C or other languages control outside world devices and read
    > conditions from those devices ?

    Yes. In effect, the Stamp has a 9600 baud serial connection with the
    PC if the programming cable is left in place, allowing serial I/O for
    command/data exchange. The Windows editor's debug window even
    provides a very convenient means to send keystrokes to the Stamp over
    this link.

    Regards,

    Steve
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