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Turn on a Led after 12000 seconds using a BS2 and perhaps the DS1302 — Parallax Forums

Turn on a Led after 12000 seconds using a BS2 and perhaps the DS1302

ArchiverArchiver Posts: 46,084
edited 2004-06-27 07:06 in General Discussion
Hi,

I need to turn on a led after a period of
time.
I was using the DS1302 but the
DS1302 source code has to many variables.

( LOWNIB , HIGHNIB, ..... )

I am triying to use a simple "word" variable
like W2 and turn the led on after
24600 seconds (exapmple)

Something like :
If w2 = 24600 then led
.
.
.
Led:
high 8. ..
.
.

Is the DS1302 good for that?
( I don't need minutes, only second!! )

Any help is welcome. Thanks: Joe





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Comments

  • ArchiverArchiver Posts: 46,084
    edited 2004-06-26 20:09
    You can't change the rules of access for the DS1302; and you don't have
    to access or worry about all of the registers either. If your project
    doesn't care about the actually time of day and you're simply using the
    DS1302 as a timing element, then just grab the seconds and minutes
    registers. You'll have to do a small bit of math to get to a single
    word, but that's a no-brainer.

    -- Jon Williams
    -- Applications Engineer, Parallax
    -- Dallas Office

    Original Message
    From: joe terk [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=UEzkraaJ8K_yOHg8apxP3lCRrl6WhxbYwCJNu8yOk7LTn-wZQtSSN9zg7IB2en1sxD-iF3G9YJfqBwoUbw]joeterk1@y...[/url
    Sent: Saturday, June 26, 2004 1:47 PM
    To: basicstamps@yahoogroups.com
    Subject: [noparse][[/noparse]basicstamps] Turn on a Led after 12000 seconds using a BS2 and
    perhaps the DS1302


    Hi,

    I need to turn on a led after a period of
    time.
    I was using the DS1302 but the
    DS1302 source code has to many variables.

    ( LOWNIB , HIGHNIB, ..... )

    I am triying to use a simple "word" variable
    like W2 and turn the led on after
    24600 seconds (exapmple)

    Something like :
    If w2 = 24600 then led
    .
    .
    .
    Led:
    high 8. ..
    .
    .

    Is the DS1302 good for that?
    ( I don't need minutes, only second!! )

    Any help is welcome. Thanks: Joe
  • ArchiverArchiver Posts: 46,084
    edited 2004-06-26 20:31
    Thanks, Jon,

    Do you know where can I begin to understand how to grab
    seconds, because I am having seconds only up to 9 ?

    Is there an example? , I will try to understand .

    Thanks in advance: Joe

    Jon Williams <jwilliams@p...> wrote:
    You can't change the rules of access for the DS1302; and you don't have
    to access or worry about all of the registers either. If your project
    doesn't care about the actually time of day and you're simply using the
    DS1302 as a timing element, then just grab the seconds and minutes
    registers. You'll have to do a small bit of math to get to a single
    word, but that's a no-brainer.

    -- Jon Williams
    -- Applications Engineer, Parallax
    -- Dallas Office

    Original Message
    From: joe terk [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=5FI-AYXOhdaSs7kbcMubJosklavEJXUxOaA303uW5Jjy_v1xcsC0aQdTrFaO93wIaovsAmaVwz5QbQ]joeterk1@y...[/url
    Sent: Saturday, June 26, 2004 1:47 PM
    To: basicstamps@yahoogroups.com
    Subject: [noparse][[/noparse]basicstamps] Turn on a Led after 12000 seconds using a BS2 and
    perhaps the DS1302


    Hi,

    I need to turn on a led after a period of
    time.
    I was using the DS1302 but the
    DS1302 source code has to many variables.

    ( LOWNIB , HIGHNIB, ..... )

    I am triying to use a simple "word" variable
    like W2 and turn the led on after
    24600 seconds (exapmple)

    Something like :
    If w2 = 24600 then led
    .
    .
    .
    Led:
    high 8. ..
    .
    .

    Is the DS1302 good for that?
    ( I don't need minutes, only second!! )

    Any help is welcome. Thanks: Joe


    To UNSUBSCRIBE, just send mail to:
    basicstamps-unsubscribe@yahoogroups.com
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    [noparse][[/noparse]Non-text portions of this message have been removed]
  • ArchiverArchiver Posts: 46,084
    edited 2004-06-26 22:26
    Most DS1302 examples do more than you need, so just pare one down and
    adjust it as required. You're not likely to find code to do exactly
    what you want -- you're going to have to do it yourself.

    -- Jon Williams
    -- Applications Engineer, Parallax
    -- Dallas Office

    Original Message
    From: joe terk [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=2-FRnnQyKL_ZiafjF0KdM0E00OMgBG4xgHCCaXP08U3rrid3lMztqkLQS1jGNZa4c17scGuMOFs6ln0L]joeterk1@y...[/url
    Sent: Saturday, June 26, 2004 2:32 PM
    To: basicstamps@yahoogroups.com
    Subject: RE: [noparse][[/noparse]basicstamps] Turn on a Led after 12000 seconds using a BS2
    and perhaps the DS1302


    Thanks, Jon,

    Do you know where can I begin to understand how to grab seconds, because
    I am having seconds only up to 9 ?

    Is there an example? , I will try to understand .

    Thanks in advance: Joe

    Jon Williams <jwilliams@p...> wrote:
    You can't change the rules of access for the DS1302; and you don't have
    to access or worry about all of the registers either. If your project
    doesn't care about the actually time of day and you're simply using the
    DS1302 as a timing element, then just grab the seconds and minutes
    registers. You'll have to do a small bit of math to get to a single
    word, but that's a no-brainer.

    -- Jon Williams
    -- Applications Engineer, Parallax
    -- Dallas Office

    Original Message
    From: joe terk [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=2-FRnnQyKL_ZiafjF0KdM0E00OMgBG4xgHCCaXP08U3rrid3lMztqkLQS1jGNZa4c17scGuMOFs6ln0L]joeterk1@y...[/url
    Sent: Saturday, June 26, 2004 1:47 PM
    To: basicstamps@yahoogroups.com
    Subject: [noparse][[/noparse]basicstamps] Turn on a Led after 12000 seconds using a BS2 and
    perhaps the DS1302


    Hi,

    I need to turn on a led after a period of
    time.
    I was using the DS1302 but the
    DS1302 source code has to many variables.

    ( LOWNIB , HIGHNIB, ..... )

    I am triying to use a simple "word" variable
    like W2 and turn the led on after
    24600 seconds (exapmple)

    Something like :
    If w2 = 24600 then led
    .
    .
    .
    Led:
    high 8. ..
    .
    .

    Is the DS1302 good for that?
    ( I don't need minutes, only second!! )

    Any help is welcome. Thanks: Joe
  • ArchiverArchiver Posts: 46,084
    edited 2004-06-27 07:06
    Thanks Jon:

    Of course I have do it my self, but, my problem is
    that
    I am not an expert and I don't have enough knowledge
    to know if the chip 1302 plus a BS2 could be used
    to count more than 9 seconds (like 12000)
    using one variable.

    Any way many thanks, I am going to follow your
    recommendations.

    Thanks, Joe


    --- Jon Williams <jwilliams@p...> wrote:
    > Most DS1302 examples do more than you need, so just
    > pare one down and
    > adjust it as required. You're not likely to find
    > code to do exactly
    > what you want -- you're going to have to do it
    > yourself.
    >
    > -- Jon Williams
    > -- Applications Engineer, Parallax
    > -- Dallas Office
    >
    >
    >
    Original Message
    > From: joe terk [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=hNqwKydvdGlcQEzX84fD3iD0oF_WBgt6W4LRTul1xqnO29axfBIc0d_NN2NxlZyOADgUd9ZcVxZJyw]joeterk1@y...[/url
    > Sent: Saturday, June 26, 2004 2:32 PM
    > To: basicstamps@yahoogroups.com
    > Subject: RE: [noparse][[/noparse]basicstamps] Turn on a Led after 12000
    > seconds using a BS2
    > and perhaps the DS1302
    >
    >
    > Thanks, Jon,
    >
    > Do you know where can I begin to understand how to
    > grab seconds, because
    > I am having seconds only up to 9 ?
    >
    > Is there an example? , I will try to understand .
    >
    > Thanks in advance: Joe
    >
    > Jon Williams <jwilliams@p...> wrote:
    > You can't change the rules of access for the DS1302;
    > and you don't have
    > to access or worry about all of the registers
    > either. If your project
    > doesn't care about the actually time of day and
    > you're simply using the
    > DS1302 as a timing element, then just grab the
    > seconds and minutes
    > registers. You'll have to do a small bit of math to
    > get to a single
    > word, but that's a no-brainer.
    >
    > -- Jon Williams
    > -- Applications Engineer, Parallax
    > -- Dallas Office
    >
    >
    >
    Original Message
    > From: joe terk [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=hNqwKydvdGlcQEzX84fD3iD0oF_WBgt6W4LRTul1xqnO29axfBIc0d_NN2NxlZyOADgUd9ZcVxZJyw]joeterk1@y...[/url
    > Sent: Saturday, June 26, 2004 1:47 PM
    > To: basicstamps@yahoogroups.com
    > Subject: [noparse][[/noparse]basicstamps] Turn on a Led after 12000
    > seconds using a BS2 and
    > perhaps the DS1302
    >
    >
    > Hi,
    >
    > I need to turn on a led after a period of
    > time.
    > I was using the DS1302 but the
    > DS1302 source code has to many variables.
    >
    > ( LOWNIB , HIGHNIB, ..... )
    >
    > I am triying to use a simple "word" variable
    > like W2 and turn the led on after
    > 24600 seconds (exapmple)
    >
    > Something like :
    > If w2 = 24600 then led
    > .
    > .
    > .
    > Led:
    > high 8. ..
    > .
    > .
    >
    > Is the DS1302 good for that?
    > ( I don't need minutes, only second!! )
    >
    > Any help is welcome. Thanks: Joe
    >
    >
    > 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
    >
    >
    > basicstamps-unsubscribe@yahoogroups.com
    >
    >
    >
    >




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