Guy North wrote:
> 
> I am looking at purchasing a full working Simmstick DT006
> WITH a MEMORY on board. The memory should be at least 64Kb.
> 
> I have spoken to Don about this. Don suggested
> I post on simmstick
> 
> Reasons: I have been trying to develop a special project of mine
> on a simmstick-AVR-board.
> The diffculty is finding the time at the moment to have a fully
> tested
> simmstick-AVR-Board WITH at least 64 KB memory.
> I thought I will work with the Simmstick board DT006 and add a 64
> memory chip and later a small LCD.
> Trying to match the ATmel with the 64KB memory is so time consumiong
> that finally I realise there NOT enough hours in the day, plus my
> technical knowledge is NOT high enough in some very specific field
> of interfacing.
> So I decied to stay with my programming in Machine Language and
> purchase part or the full interfacing.
> But at the moment my project requires at least 64 KB memory, I
> thought
> may be someone has already something working that I may use in part
> or
> in full if that PERSON IS READY to sell me their OWRKING MODEL.
> I contacted Mitsubishi for the 64kb MEMORY AND LAGER MEMORY BUT I
> have
> some technical problem to interface the AT90S4433-08-PC to the memory.
> That's why I thought if someone one in the group is prepared to sell
> me something already working so I can explore the possibilties and
> learn at interfacing AVR and large memory.
> 
> I have already from DON
> DT006 fully assembled +a few other bits and pieces from DON like
> AT90S4433-08-PC, ZTT-8 00MT, 24LC64/P, 2x16LCD.
> FULL DONTRONICS STK200 Development System will.
> Purchasing more parts IF IT IS GOING TO WORK is NOT a problem
> 
> This is a genuine request.

I had hoped that someone may throw a few other ideas you way Guy,
however in the meantime, this is a possible approach:

Get the Ram Sandwick from basicx.com as below:

BasicX-1 RamSandwich
Get the BasicX-1 RamSandwich for $29.95. The BXRM plugs into
the 40 pin expansion header of the BasicX-1 Developer Board. It
has 128K of RAM; 64K for variables and 64K of extended RAM. It
provides four programmable buttons and direct power/signal
connections for the LCD4X20 Display. 
BXRM BasicX-1 RAMSandwich  

Use a dt107 to mount your 4433. The ram card will plug into it.
Is this close to what you need?

Don McKenzie    mailto:don@d...      http://www.dontronics.com

The World's Largest Range of Atmel/AVR  & PICmicro Hardware and Software
Free Basic Compiler and Programmer http://www.dontronics.com/runavr.html
The Little "rAVeR!" AVR & Basic Kit http://www.dontronics.com/dt006.html

> Hi there folks
> 
> I have an idea for a new DT board which would be an AVR compliant 
> mini-terminal featuring:
> 
> - LCD control
> - keypad interface (4x4, 4x3)
> - cheap on-board processor (2313 perhaps)
> - RS232 I/O with the "O" being for keypad (optionally echoed to LCD) and 
> the "I" for LCD display


How about a little more? RS232 or RS485 (nice way to "remote" the terminal)

A little bit of 20mA (or so) output for LEDs.

Input lines other than keypad-scan lines.

2 (or more) footprints for the micro. This would appeal to PICers and Atmelites.

-Rob

Robert Severson wrote:
> > Hi there folks
> > I have an idea for a new DT board which would be an AVR compliant
> > mini-terminal featuring:
> > - LCD control
> > - keypad interface (4x4, 4x3)
> > - cheap on-board processor (2313 perhaps)
> > - RS232 I/O with the "O" being for keypad (optionally echoed to LCD) and
> > the "I" for LCD display

> How about a little more? RS232 or RS485 (nice way to "remote" the terminal)
> A little bit of 20mA (or so) output for LEDs.
> Input lines other than keypad-scan lines.
> 2 (or more) footprints for the micro. This would appeal to PICers and Atmelites.
> -Rob

starting to sound like dt102(.html) which is based on a pic84. I had a
user that wanted to do a 2313 transplant, and I asked for schematic
details when he finished, but alas, no appearance your worship.

Sorry Barry if you are on this list. :-) An Ozzie that fled to Canada i
think it was.

Mick my big board boy, (bbb) (see: ppp.html) suggested we do a .1"
offset between micros and squeeze it all a dt102 type platform. This
still may be a future possibility, but we can only base it on user
feedback. I can guess wrong just like all you guys. :-)

Don's in a very good mood? Yes it's 09:30 here, so I haven't been
drinking (not yet). Makings of a beautiful sunny day, looking at about
24 celsius. Just back from my daily 40 minute walk to check out the
local grannies, and I'm almost ready to go do some work in the garden. I
promised Cheryl that I would tidy the yard up for Christmas. I hope she
didn't mean this Christmas!

Don McKenzie    mailto:don@d...      http://www.dontronics.com

The World's Largest Range of Atmel/AVR  & PICmicro Hardware and Software
Free Basic Compiler and Programmer http://www.dontronics.com/runavr.html
The Little "rAVeR!" AVR & Basic Kit http://www.dontronics.com/dt006.html

o.k.! my problem is even when I write the programs that are in the pic
books using mplab and the warp- 13 I still get the message build failed!
what am I doing wrong?

Haywood L Pace wrote:
> 
> o.k.! my problem is even when I write the programs that are in the pic
> books using mplab and the warp- 13 I still get the message build failed!
> what am I doing wrong?

Hi Haywood, I'm a little confused here. You said a PICstart plus
origionally, you have a warp-13?

I may have also suggested you try the piclist for this question, as i
feel you would get some good quick answers from there, as well as some
follow up assistance if you need it. There are 2000 devoted PICsters on
the list. You will however have to give them a bit more info before they
can tell what your problem is.

Have a look at:
http://www.dontronics.com/chat.html
for info on subscribibg, or
http://www.dontronics.com/chat.html

Don McKenzie    mailto:don@d...      http://www.dontronics.com

The World's Largest Range of Atmel/AVR  & PICmicro Hardware and Software
Free Basic Compiler and Programmer http://www.dontronics.com/runavr.html
The Little "rAVeR!" AVR & Basic Kit http://www.dontronics.com/dt006.html

 
> Hi there folks
>
> I have an idea for a new DT board which would be an AVR compliant
> mini-terminal featuring:
>
> - LCD control
> - keypad interface (4x4, 4x3)
> - cheap on-board processor (2313 perhaps)
> - RS232 I/O with the "O" being for keypad (optionally echoed to LCD) and
> the "I" for LCD display


How about a little more? RS232 or RS485 (nice way to "remote" the terminal)

A little bit of 20mA (or so) output for LEDs.

Input lines other than keypad-scan lines.

2 (or more) footprints for the micro. This would appeal to PICers and Atmelites.

-Rob

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Have a look at the DT102.
I'm a bit intrigued why you want a DT102 with an AVR processor on it rather
than the existing PIC. There is free code available for the DT102.
Rod

----- Original Message -----
From: Lynndon Harnell <lynndonh@e...>
To: <simmstick@egroups.com>
Sent: Thursday, December 07, 2000 2:59 PM
Subject: RE: [simmstick] New DT board proposal


> Hi Rob
>
> How many input lines and what do you want do with them. It is after all
> just a terminal
>
> Lynndon
>
> At 08:53 AM 6/12/00 -0600, you wrote:
>
> >
> > > Hi there folks
> > >
> > > I have an idea for a new DT board which would be an AVR compliant
> > > mini-terminal featuring:
> > >
> > > - LCD control
> > > - keypad interface (4x4, 4x3)
> > > - cheap on-board processor (2313 perhaps)
> > > - RS232 I/O with the "O" being for keypad (optionally echoed to LCD)
and
> > > the "I" for LCD display
> >
> >
> >How about a little more? RS232 or RS485 (nice way to "remote" the
terminal)
> >
> >A little bit of 20mA (or so) output for LEDs.
> >
> >Input lines other than keypad-scan lines.
> >
> >2 (or more) footprints for the micro. This would appeal to PICers and
> >Atmelites.
> >
> >-Rob
> >
> >
> >To Post a message, send it to:   simmstick@e...
> >
> >To Unsubscribe, send a blank message to:
simmstick-unsubscribe@e...
>
> Lynndon Harnell

In my previous posting 
"Help:WTD to buy full working model AMTEL on DT006"

I received just two answers from Don and Ling which is close
but NOT exactly what I am looking for.

Then in the next postings I read all this "GEEK" debates
about the NEW DT BOARD PROPOSAL and 
I thought some "Geek" will be able 
to help me purchasing something from them.

May be I am asking the wrong questions!

As a Newbie I want to purchase something which works and has 
memory (64Kb or above) so I can concentrate on the programming.

I need to record the temperature of a chemical process for 7 days, 
every second. ( I realized this will need more than 64 KB).

Any one in the group or other groups to put me on the right track?

Thanks  Guy

Lynndon,

> How many input lines and what do you want do with them. It is after all
> just a terminal

I'm just bouncing ideas around. It is the firmware that makes it a 
terminal. It could also be a security system keypad. The inputs would be 
used for detecting a door switch. The LED outputs for indication of armed 
state.

No pressure to make it one way or another. Just suggestions.

Cheers,
-Rob


> At 08:53 AM 6/12/00 -0600, you wrote:
>
> >
> > > Hi there folks
> > >
> > > I have an idea for a new DT board which would be an AVR compliant
> > > mini-terminal featuring:
> > >
> > > - LCD control
> > > - keypad interface (4x4, 4x3)
> > > - cheap on-board processor (2313 perhaps)
> > > - RS232 I/O with the "O" being for keypad (optionally echoed to LCD) 
and
> > > the "I" for LCD display
> >
> >
> >How about a little more? RS232 or RS485 (nice way to "remote" the 
terminal)
> >
> >A little bit of 20mA (or so) output for LEDs.
> >
> >Input lines other than keypad-scan lines.
> >
> >2 (or more) footprints for the micro. This would appeal to PICers and
> >Atmelites.
> >
> >-Rob
> >
> >
> >To Post a message, send it to:   simmstick@e...
> >
> >To Unsubscribe, send a blank message to: 
simmstick-unsubscribe@e...
>
> Lynndon Harnell << File: ATT00000.html >>

Lynndon,

> How many input lines and what do you want do with them. It is after all
> just a terminal

I'm just bouncing ideas around. It is the firmware that makes it a
terminal. It could also be a security system keypad. The inputs would be
used for detecting a door switch. The LED outputs for indication of armed
state.

No pressure to make it one way or another. Just suggestions.

Cheers,
-Rob


> At 08:53 AM 6/12/00 -0600, you wrote:
>
> >
> > > Hi there folks
> > >
> > > I have an idea for a new DT board which would be an AVR compliant
> > > mini-terminal featuring:
> > >
> > > - LCD control
> > > - keypad interface (4x4, 4x3)
> > > - cheap on-board processor (2313 perhaps)
> > > - RS232 I/O with the "O" being for keypad (optionally echoed to LCD)
and
> > > the "I" for LCD display
> >
> >
> >How about a little more? RS232 or RS485 (nice way to "remote" the
terminal)
> >
> >A little bit of 20mA (or so) output for LEDs.
> >
> >Input lines other than keypad-scan lines.
> >
> >2 (or more) footprints for the micro. This would appeal to PICers and
> >Atmelites.
> >
> >-Rob
> >
> >
> >To Post a message, send it to:   simmstick@eGroups.com
> >
> >To Unsubscribe, send a blank message to:
simmstick-unsubscribe@eGroups.com
>
> Lynndon Harnell << File: ATT00000.html >>

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Have a look at the DT102.
I'm a bit intrigued why you want a DT102 with an AVR processor on it rather
than the existing PIC. There is free code available for the DT102.
Rod

----- Original Message -----
From: Lynndon Harnell
To:
Sent: Thursday, December 07, 2000 2:59 PM
Subject: RE: [simmstick] New DT board proposal


> Hi Rob
>
> How many input lines and what do you want do with them. It is after all
> just a terminal
>
> Lynndon
>
> At 08:53 AM 6/12/00 -0600, you wrote:
>
> >
> > > Hi there folks
> > >
> > > I have an idea for a new DT board which would be an AVR compliant
> > > mini-terminal featuring:
> > >
> > > - LCD control
> > > - keypad interface (4x4, 4x3)
> > > - cheap on-board processor (2313 perhaps)
> > > - RS232 I/O with the "O" being for keypad (optionally echoed to LCD)
and
> > > the "I" for LCD display
> >
> >
> >How about a little more? RS232 or RS485 (nice way to "remote" the
terminal)
> >
> >A little bit of 20mA (or so) output for LEDs.
> >
> >Input lines other than keypad-scan lines.
> >
> >2 (or more) footprints for the micro. This would appeal to PICers and
> >Atmelites.
> >
> >-Rob
> >
> >
> >To Post a message, send it to:   simmstick@eGroups.com
> >
> >To Unsubscribe, send a blank message to:
simmstick-unsubscribe@eGroups.com
>
> Lynndon Harnell


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----- Original Message -----
From: Lynndon Harnell <lynndonh@e...>
To: <simmstick@egroups.com>
Sent: Friday, December 08, 2000 2:26 PM
Subject: Re: [simmstick] New DT board proposal


> Rod
>
> I considered the DT102, but see 2 reasons for a new board, being:
>
> 1) The lcd is essentially driven by the RS232, so you need basic code like
> print, open, close etc, and control codes to clear the screen, position
the
> cursor, etc, whereas Bascom AVR has some really nice LCD commands, which
> with the right 2313 code could be directed down a serial link from another
> board.
So could the code for the PIC on the DT102. Changing code to transparently
pass the serial data to the LCD is possible.

>
> 2) the DT102 has 6 push buttons, where what I am proposing would have full
> 4x4 or 4x3 keypad scan.
The DT102 has provision for plugging in an IBM PC keyboard and the keypad
connections are available for expansion if required. Mind you there is only
space for the 6 keys on the DT102.

>
> At least that is the way I am thinking are the advantages, but am quite
> willing to be convinced otherwise.
>
> The way it seems to be stacking up it will be possible to have the lcd and
> keypad on the same set of 8pins (or maybe another one for the lcd enable).
> This would leave the 2313 with ~6 pins available for input or LED control.
>
> I envisage a "core" 2313 code either in Bascom AVR or assembler that would
> act as terminal controller, and could be hacked and added to for other
> purposes, ie security keypad, etc.

I suppose it all depends on what you want, I've got a vested interest <grin>
as I was heavily involved in the DT102 design, I mainly use PIC's and
program in C for the PIC's ( I only use basic on a PC VB coding ). :-)
Good luck.
Rod

>
> Regards
> Lynndon
>
> At 04:19 PM 7/12/00 +0800, you wrote:
> >Have a look at the DT102.
> >I'm a bit intrigued why you want a DT102 with an AVR processor on it
rather
> >than the existing PIC. There is free code available for the DT102.
> >Rod
> >
> >----- Original Message -----
> >From: Lynndon Harnell <lynndonh@e...>
> >To: <simmstick@egroups.com>
> >Sent: Thursday, December 07, 2000 2:59 PM
> >Subject: RE: [simmstick] New DT board proposal
> >
> >
> > > Hi Rob
> > >
> > > How many input lines and what do you want do with them. It is after
all
> > > just a terminal
> > >
> > > Lynndon
> > >
> > > At 08:53 AM 6/12/00 -0600, you wrote:
> > >
> > > >
> > > > > Hi there folks
> > > > >
> > > > > I have an idea for a new DT board which would be an AVR compliant
> > > > > mini-terminal featuring:
> > > > >
> > > > > - LCD control
> > > > > - keypad interface (4x4, 4x3)
> > > > > - cheap on-board processor (2313 perhaps)
> > > > > - RS232 I/O with the "O" being for keypad (optionally echoed to
LCD)
> >and
> > > > > the "I" for LCD display
> > > >
> > > >
> > > >How about a little more? RS232 or RS485 (nice way to "remote" the
> >terminal)
> > > >
> > > >A little bit of 20mA (or so) output for LEDs.
> > > >
> > > >Input lines other than keypad-scan lines.
> > > >
> > > >2 (or more) footprints for the micro. This would appeal to PICers and
> > > >Atmelites.
> > > >
> > > >-Rob
> > > >
> > > >
> > > >To Post a message, send it to:   simmstick@e...
> > > >
> > > >To Unsubscribe, send a blank message to:
> >simmstick-unsubscribe@e...
> > >
> > > Lynndon Harnell
> >
> >
> >
> >To Post a message, send it to:   simmstick@e...
> >
> >To Unsubscribe, send a blank message to:
simmstick-unsubscribe@e...
>
> Lynndon Harnell

Sage Telecommunications wrote:
> I suppose it all depends on what you want, I've got a vested interest <grin>
> as I was heavily involved in the DT102 design, I mainly use PIC's and
> program in C for the PIC's ( I only use basic on a PC VB coding ). :-)
> Good luck.
> Rod

I'll enlarge on that a whisker.
the dt102 is basically Rod's design and came about because of his
efforts. Don and Mick kicked it around then put it on a SimmStick.

Don McKenzie    mailto:don@d...      http://www.dontronics.com

The World's Largest Range of Atmel/AVR  & PICmicro Hardware and Software
Free Basic Compiler and Programmer http://www.dontronics.com/runavr.html
The Little "rAVeR!" AVR & Basic Kit http://www.dontronics.com/dt006.html

Don gave you a possible solution of DT107 + Ram Sandwich board.
I at least didn't see any comment from you on that excellent suggestion.

AFAIK, both parts are available pre built and tested.

So, what's the problem?
--
MVH/Regards Henrik Wahlberg,
  Home:henrik.#.wahlberg.dk      (+45) 97209080
  Work:hw.#.edbgruppen.dk          EDB Gruppen A/S. (+45) 99283330
  SMS :20855780.#.note.sonofon.dk  (replace .#. with @)
  HP:http://w1.1972.telia.com/~u197200709/index.html
 

Hello Henrik
This may sound terrible but I hope it will not come across as
a complaint but more like trying to understand what I should 
use for my project.

The problem is that I do NOT know enough about the products which
are offered to me to make a decision.
At the moment I have spent US $250 in the last 4 months (this is fine) 
but this is leading me nowhere YET because I am missing a few bits and 
pieces of information .
I have a few offers after my 1st posting and NOT all replies have been 
posted on the simmstick egroup.
1)DON has given me an excellent solution but where do I purchase the 
BasicX-1 RAMSandwich? 
What is a BXRM? how much is it? It seems the BXRM and BasicX-1 
RAMSandwich are the same thing
2) I have been offered a DT107 plus 12C EPROM 
3) I has been suggested (not offered) to go with a AT45D161 attached 
to a new 2" simstick board, having 2MB removable memory, expandable 
all up to more than 8 MB SERIAL FLASH RAM.
4) I was asked to look at STK300 kit (including a socket for an 
extra 32K) or AT45D161 serial flash chip or/and SIMM board that would 
hold CompactFlash or other storage.
5) Henrik you mentioned AFAIK. What's that?

DON idea is good but the storage may NOT be sufficient. It seems to be 
64 KB for variable and 64 KB for extended. It seems hard to program 
that memory. May be I an wrong

I like the idea of a 2 MB serial flash memory, extendable to 8 MB. 
That would cover most of the project application I want to do, 
specially connected to a detachable simmstick.

All these solutions are excellent but I need something which is WELL 
KNOWN so I do NOT have to do too much development myself. Only the 
programming and a little bit of sodering(testing).
At the moment I do NOT know how well charted are these products and 
systems.

I like to move forward but how am I going to decide.

Please let me know what solution you'll choose in my case, so I do NOT 
have to do a lot of research and the RAM is large enough?

--- In simmstick@egroups.com, Henrik Wahlberg <henrik.wahlberg@h...> 
wrote:
>             Hi Guy. 

            Don gave you a possible solution of DT107 + Ram Sandwich 
board. 
            I at least didn't see any comment from you on that 
excellent suggestion. 

            AFAIK, both parts are available pre built and tested. 

            So, what's the problem? 
            -- 
            MVH/Regards Henrik Wahlberg, 
              Home:henrik.#.wahlberg.dk      (+45) 97209080 
              Work:hw.#.edbgruppen.dk          EDB Gruppen A/S. (+45) 
99283330 
              SMS :20855780.#.note.sonofon.dk  (replace .#. with @) 
              HP:http://w1.1972.telia.com/~u197200709/index.html

Sage Telecommunications wrote:
> I suppose it all depends on what you want, I've got a vested interest
> as I was heavily involved in the DT102 design, I mainly use PIC's and
> program in C for the PIC's ( I only use basic on a PC VB coding ). :-)
> Good luck.
> Rod

I'll enlarge on that a whisker.
the dt102 is basically Rod's design and came about because of his
efforts. Don and Mick kicked it around then put it on a SimmStick.

Don McKenzie    mailto:don@dontronics.com     http://www.dontronics.com

The World's Largest Range of Atmel/AVR  & PICmicro Hardware and Software
Free Basic Compiler and Programmer http://www.dontronics.com/runavr.html
The Little "rAVeR!" AVR & Basic Kit http://www.dontronics.com/dt006.html

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Guy North wrote:

Hello Henrik
This may sound terrible but I hope it will not come across as
a complaint but more like trying to understand what I should
use for my project.

 

The problem is that I do NOT know enough about the products which
are offered to me to make a decision.
At the moment I have spent US $250 in the last 4 months (this is fine)
but this is leading me nowhere YET because I am missing a few bits and
pieces of information .

 
I have a few offers after my 1st posting and NOT all replies have been
posted on the simmstick egroup.
1)DON has given me an excellent solution but where do I purchase the
BasicX-1 RAMSandwich?

 
What is a BXRM? how much is it? It seems the BXRM and BasicX-1
RAMSandwich are the same thing
2) I have been offered a DT107 plus 12C EPROM

 
3) I has been suggested (not offered) to go with a AT45D161 attached
to a new 2" simstick board, having 2MB removable memory, expandable
all up to more than 8 MB SERIAL FLASH RAM.

 
4) I was asked to look at STK300 kit (including a socket for an
extra 32K) or AT45D161 serial flash chip or/and SIMM board that would
hold CompactFlash or other storage.

 
5) Henrik you mentioned AFAIK. What's that?

 

DON idea is good but the storage may NOT be sufficient. It seems to be
64 KB for variable and 64 KB for extended. It seems hard to program
that memory. May be I an wrong

I like the idea of a 2 MB serial flash memory, extendable to 8 MB.
That would cover most of the project application I want to do,
specially connected to a detachable simmstick.
 

 
All these solutions are excellent but I need something which is WELL
KNOWN so I do NOT have to do too much development myself. Only the
programming and a little bit of sodering(testing).
At the moment I do NOT know how well charted are these products and
systems.

 

I like to move forward but how am I going to decide.

Please let me know what solution you'll choose in my case, so I do NOT
have to do a lot of research and the RAM is large enough?

I am myself missing a wider bus, so you could have the larger processors on one board, ram on a second, and eprom/flash on a third, ether net on a fourth, etc.

 

--- In simmstick@egroups.com, Henrik Wahlberg
wrote:
>             Hi Guy.

            Don gave you a possible solution of DT107 + Ram Sandwich
board.
            I at least didn't see any comment from you on that
excellent suggestion.

            AFAIK, both parts are available pre built and tested.

            So, what's the problem?

--
MVH/Regards Henrik Wahlberg,
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> Guy North wrote:
> > I have a few offers after my 1st posting and NOT all replies have
> > been
> > posted on the simmstick egroup.
> > 1)DON has given me an excellent solution but where do I purchase the
> >
> > BasicX-1 RAMSandwich?

Hi Guy, this below text is from a previous message of mine posted to
this group as a result of your questions:

Get the Ram Sandwick from basicx.com as below:
BasicX-1 RamSandwich
Get the BasicX-1 RamSandwich for $29.95. The BXRM plugs into
the 40 pin expansion header of the BasicX-1 Developer Board. It
has 128K of RAM; 64K for variables and 64K of extended RAM. It
provides four programmable buttons and direct power/signal
connections for the LCD4X20 Display. 
BXRM BasicX-1 RAMSandwich  

This device plugs into the dt107 board, and has been tested. This means
the dt107 board will also operate as a basicx-01 with the installation
of the oppropritae basicx interpreter chip and eeprom and has also been
tested as such, not that this helps your case, but it is another snippet
of info.

Don McKenzie    mailto:don@d...      http://www.dontronics.com

The World's Largest Range of Atmel/AVR  & PICmicro Hardware and Software
Free Basic Compiler and Programmer http://www.dontronics.com/runavr.html
The Little "rAVeR!" AVR & Basic Kit http://www.dontronics.com/dt006.html

On Fri,  8 Dec 2000 11:14, you wrote:
[snip]
> I need to record the temperature of a chemical process for 7 days,
> every second. ( I realized this will need more than 64 KB).
[snip]

What resolution do you need, and how fast does the temperature change ?-- you 
may be able to use a differential approach.

Tom

-- 
Tom Davies -- tomdavies@o...

http://members.optushome.com.au/tomdavies

Tom
The measurement does take place every second to catch a very
suttle change of temperature at 86 centigrades. 
It will change in about a few seconds to say 92 centigrades
and them come back slowly to 86 centigrades in about 20 minutes.
What I am trying to measure is the slope during the rise and during
the collapse of the slope and any spikes of temperature.
Thanks  Guy

--- In simmstick@egroups.com, Tom Davies <tomdavies@o...> wrote:
> On Fri,  8 Dec 2000 11:14, you wrote:
> [snip]
> > I need to record the temperature of a chemical process for 7 days,
> > every second. ( I realized this will need more than 64 KB).
> [snip]
> 
> What resolution do you need, and how fast does the temperature 
change ?-- you 
> may be able to use a differential approach.
> 
> Tom
> 
> -- 
> Tom Davies -- tomdavies@o...
> 
> http://members.optushome.com.au/tomdavies

On Tue, 12 Dec 2000 12:33, you wrote:
> Tom
> The measurement does take place every second to catch a very
> suttle change of temperature at 86 centigrades.
> It will change in about a few seconds to say 92 centigrades
> and them come back slowly to 86 centigrades in about 20 minutes.
> What I am trying to measure is the slope during the rise and during
> the collapse of the slope and any spikes of temperature.
> Thanks  Guy

So if you could perform the slope calculations in the device you might need 
only to record two slopes and one time each 20 minutes, plus the spikes (I'm 
not clear what data you need there)

That might reduce your data requirements to (say) 3*16bits*(7 days/ 20 
minutes) = 3KBytes plus whatever the spikes need...

But then you would lose the raw data, which might or might not be acceptable.

Tom

-- 
Tom Davies -- tomdavies@o...

http://members.optushome.com.au/tomdavies

Hi;
	I have just finished putting together a DT001, DT106, and DT203. I have 
now programmed the 16F877 with a simple walking LED program but the program 
does not seam to run.

In run mode, SCL, SDA and D12 leds lights and stay lite. The 877 is running 
at 20Mhz in socket 1 of the DT001.

I have tried the walking LED from the "Dontronics vicuni" page with the 
same results.

Any suggestions as to where to go from here Please.

Thanks in advance.

Andrew

Program I tried.

	list      p=16f877
	#include <p16f877.inc>
	
	__CONFIG _CP_OFF & _WDT_ON & _BODEN_ON & _PWRTE_ON & _RC_OSC & 
_WRT_ENABLE_ON & _LVP_ON & _DEBUG_OFF & _CPD_OFF

w_temp        EQU     0x70
status_temp   EQU     0x71
STATUS	      EQU     0x03
PORTA	      EQU     0x05
PORTB	      EQU     0x06
PORTC	      EQU     0x07
PORTD	      EQU     0x08
PORTE	      EQU     0x09
C	      EQU     0x00
PA	      EQU     0x05
PB	      EQU     0x06
ram1	      EQU     0x20
ram2	      EQU     0x21

		ORG     0x000
		clrf    PCLATH
   		goto    main


		ORG     0x004
		movwf   w_temp
		movf	STATUS,w
		movwf	status_temp

		movf    status_temp,w
		movwf	STATUS
		swapf   w_temp,f
		swapf   w_temp,w
		retfie



main

		BCF	STATUS,PA
		BCF	STATUS,PB
		CLRF	PORTA
		CLRF	PORTB
		CLRF	PORTC
		BSF	STATUS,PA
		MOVLW	6
		MOVWF	ADCON0
		MOVLW	254
		MOVWF	PORTA
		MOVWF	PORTB
		MOVWF	PORTC

		BCF	STATUS,PA
		MOVLW	H'FF'
		MOVWF	PORTA
		MOVWF	PORTB
		MOVWF	PORTC
		MOVWF	PORTD
		MOVWF	PORTE
		MOVLW	55
		MOVWF	PORTB

MOVELEFT:	BTFSS	PORTB,7
		GOTO	FLASH1
		GOTO	FLASH2

CONT:		BCF	STATUS,C
		MOVLW	0
		MOVWF	ram1
DELAY:		INCF	ram1
		BTFSS	ram1,7
		GOTO	DELAY
		;GOTO 	MOVELEFT

		BCF	STATUS,C
		MOVLW	0
		MOVWF	ram2
DELAY2:		INCF	ram2
		BTFSS	ram2,7
		GOTO	DELAY2
		;GOTO 	MOVELEFT

		BCF	STATUS,C
		MOVLW	0
		MOVWF	ram2
DELAY3:		INCF	ram2
		BTFSS	ram2,7
		GOTO	DELAY3
		GOTO 	MOVELEFT

FLASH1:		MOVLW	H'AA'
		MOVWF	PORTB
		GOTO	CONT


FLASH2:		MOVLW	55
		MOVWF	PORTB
		GOTO	CONT



		END

>Hi;
>I have just finished putting together a DT001, DT106, and DT203. I have now 
>programmed the 16F877 with a simple walking LED program but the program 
>does not seam to run.
>

Hi Andrew,

While I can't immediately solve your problem for you, there's some things 
that looked questionable to me that might point you in the right direction.

Also, you should probably put some simple comments in the code if you're 
going to post in public, since if you comment it right, we can tell what the 
code's _meant_ to do, and if that's different from what it _does_ do :-).  
Nothing flash, just little intro's to each group of instructions that are 
related. I'll give some examples through the bits of your code that I quote. 
  Where I'm mentioning something that's questionable, I'll put it in []'s.  
Where I've left out bits of code, I'll put a ...


; some variables
w_temp        EQU     0x70
status_temp   EQU     0x71

; [aren't some of these already defined in the .inc file?]
; some definitions
STATUS	      EQU     0x03
; ...
ram2	      EQU     0x21


; Processor boots from here.
		ORG     0x000
		clrf    PCLATH
    		goto    main

; Empty interrupt service routine.
		ORG     0x004
		movwf   w_temp
		movf	STATUS,w
		movwf	status_temp

		movf    status_temp,w
		movwf	STATUS
		swapf   w_temp,f
		swapf   w_temp,w
		retfie

; Main entry point after reset.
main
; [A short comment describing how you're setting up the IO's]
; [would be good.  Just one-liners like PORTA all inputs,   ]
; [PORTB all outputs, ADC disabled,... That way we can see  ]
; [if the constants you're writing are correct              ]
; ...
		MOVLW	254
; [Why 254?  If you want all 1 bits, you need to have 255   ]
; [here. Especially since you're writing it to three IO     ]
; [port registers, I'm pretty sure it should be 255. Which  ]
; [would look better as MOVLW  H'FF'                        ]

;...
; [See again here, you write FF hex which is all 1's (it's) ]
; [also a good idea to stick with all hex constants, or all ]
; [decimal constants, rather than mixing them...            ]
		MOVLW	H'FF'


		MOVLW	55
; [What's 55 supposed to do? If you want an alternating     ]
; [pattern of 1's and 0's, it needs to be 55 hex.           ]

		MOVWF	PORTB

>MOVELEFT:	BTFSS	PORTB,7
; rest snipped for brevity.

Seems like an awful lot of code just to flash and LED.  Can you try to 
simplify it and take out everything that's not absolutely necessary for 
flashing the LED.  Get that working right, then expand up from there. It's 
much easier to get a simple piece of code going first to verify all your 
hardware and programming etc. then expand on that, rather than to start with 
a complex piece of code, and then not know where to start looking for 
problems.

Sorry for rambling,... hope there's something useful in there for you.

David.
_________________________________________________________________________
Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.

19-Dec-2000 
STV5730A OSD Video chips now available for the DT108 Video SimmStick. 
http://www.dontronics.com/cat_hard_micro_ic.html#STV5730A 
http://www.dontronics.com/dt108.html 

Don McKenzie    mailto:don@d...      http://www.dontronics.com

The World's Largest Range of Atmel/AVR  & PICmicro Hardware and Software
Free Basic Compiler and Programmer http://www.dontronics.com/runavr.html
The Little "rAVeR!" AVR & Basic Kit http://www.dontronics.com/dt006.html

22-Dec-2000 
A new update of BASCOM-AVR. Both the commercial edition and the DEMO 2KB
edition. There are some neat new
features like a 1wire scanning routine, buffered serial input and
output, full M163 programming support. 
http://www.dontronics.com/basc-avr.html 

Don McKenzie    mailto:don@d...      http://www.dontronics.com

The World's Largest Range of Atmel/AVR  & PICmicro Hardware and Software
Free Basic Compiler and Programmer http://www.dontronics.com/runavr.html
The Little "rAVeR!" AVR & Basic Kit http://www.dontronics.com/dt006.html

Hi There List,

Just a little note to wish you all a Merry Xmas and a Happy and Safe 
New Year.

Should be interesting to hear about all the projects that get done 
over the break!

Regards,
David.

I,m trying to program the pic 16f84 through the basic stamp II, And 
my problem is every time I hit program the says verify failed 0000
whats wrong? and what do I need to do to get pass this probelm?

pacewood@j... wrote:
> 
> I,m trying to program the pic 16f84 through the basic stamp II, And
> my problem is every time I hit program the says verify failed 0000
> whats wrong? and what do I need to do to get pass this probelm?

Can you re-phrase the question thanks. It doesn't make a lot of sense at
the moment.
Perhaps someone else can interpret what I have missed.

Don McKenzie    mailto:don@d...      http://www.dontronics.com

The World's Largest Range of Atmel/AVR  & PICmicro Hardware and Software
Free Basic Compiler and Programmer http://www.dontronics.com/runavr.html
The Little "rAVeR!" AVR & Basic Kit http://www.dontronics.com/dt006.html