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Logging lots of data with a BS2 — Parallax Forums

Logging lots of data with a BS2

ArchiverArchiver Posts: 46,084
edited 2002-03-19 17:51 in General Discussion
Hi,

I may have an application that will require portable, battery-powered logging of
lots of GPS and other serial data using a BS2. At the moment, I think I'm
looking at needing between 1 and 8 Mbytes of storage. I need something
non-volatile so that in case of power interruption the recorded data isn't lost.


Any suggestions? I see that Dallas has a 2Mx8 NVRAM chip, but I need a way to
talk to it with serial commands and I'm not a PIC programmer.

- Mark



[noparse][[/noparse]Non-text portions of this message have been removed]

Comments

  • ArchiverArchiver Posts: 46,084
    edited 2002-03-19 14:23
    Well there is this ...


    MegaStore

    Store up to 64Mbytes of data on MMC card
    MMC card socket
    3- wire SPI interface
    Store in 512 byte chunks
    Suitable for Stamp2s
    Supplied with code examples and 8Mbyte card


    Which is available from Milford Instruments (and I guess a load of other
    places as well). I sort of loved the idea originally because in addition
    to being non-volatile you can change the card. so the data is portable
    from one machine to another (say from the logging device to a PC). I also
    loved the idea that the card would fit in my mobile phone But I think from
    the information I have read that the formatting would be very hard. If
    you like I'll mail you the data I was sent on the device.

    Justin Pentecost


    Original Message
    From: Mark Conner [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=uw84Pi23OrzvToC4XaAQao37sz51LkFazagcrVoia8NCwS1dP2mzMU8uP0RRBo_QKcIB]n9xtn@c...[/url
    Sent: 19 March 2002 06:54
    To: basicstamps@yahoogroups.com
    Subject: [noparse][[/noparse]basicstamps] Logging lots of data with a BS2


    Hi,

    I may have an application that will require portable, battery-powered
    logging of lots of GPS and other serial data using a BS2. At the moment, I
    think I'm looking at needing between 1 and 8 Mbytes of storage. I need
    something non-volatile so that in case of power interruption the recorded
    data isn't lost.

    Any suggestions? I see that Dallas has a 2Mx8 NVRAM chip, but I need a way
    to talk to it with serial commands and I'm not a PIC programmer.

    - Mark



    [noparse][[/noparse]Non-text portions of this message have been removed]


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  • ArchiverArchiver Posts: 46,084
    edited 2002-03-19 15:39
    >
    >I may have an application that will require portable,
    >battery-powered logging of lots of GPS and other serial data using a
    >BS2. At the moment, I think I'm looking at needing between 1 and 8
    >Mbytes of storage. I need something non-volatile so that in case of
    >power interruption the recorded data isn't lost.

    Check out the TIMEKEEPER from HighTechGarage.

    Reg
  • ArchiverArchiver Posts: 46,084
    edited 2002-03-19 17:51
    Hi Mark,

    Check out Barry Michels' great IDE project:
    http://www.barrymichels.com/ide/

    Also, Tern offers flashcore, which has an option for simple serial
    access to CF card. I have not tried it, so I don't know how it works
    in practice.
    http://www.tern.com/flashcore.htm

    The ATMEL dataflash chips are a cheap way to get a lot of data with
    the stamp, but the program driver is more "basic":
    http://www.atmel.com/atmel/products/prod46.htm
    http://www.emesystems.com/BS2flash.htm

    -- regards,
    Tracy Allen
    electronically monitored ecosystems
    mailto:tracy@e...
    http://www.emesystems.com


    >Hi,
    >
    >I may have an application that will require portable,
    >battery-powered logging of lots of GPS and other serial data using a
    >BS2. At the moment, I think I'm looking at needing between 1 and 8
    >Mbytes of storage. I need something non-volatile so that in case of
    >power interruption the recorded data isn't lost.
    >
    >Any suggestions? I see that Dallas has a 2Mx8 NVRAM chip, but I
    >need a way to talk to it with serial commands and I'm not a PIC
    >programmer.
    >
    >- Mark
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