How would I save the same label names with different Data In a DS1302 as a d

sam_sam_sam

If this can be done
·Also would like to time stamp the data this is a maybe·( ?·)
reg = 0··· Is Product
reg = 1··· is Silo
reg = 2··· Is Product
reg = 3··· is Slio
reg.........>>>>>>>>>>>> and so on
reg..........>>>>>>>>>>>>and so on



··One· Until all reg are full· learn this first
and also be able to read all reg - 0 to last reg· one line at a time

··Two and then over ride the reg 0 and start over writing new· Data· in the same reg <<< meaning that to veiw the last how many data point that there are >>>>·then learn how to do·this


' {$STAMP BS2}
' {$PBASIC 2.5}

'

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[noparse][[/noparse] I/O Definitions ]

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DataIO········ · PIN···· 1························· · ' DS1302.6
Clock··········· ·PIN···· 0·························· ·' DS1302.7
CS1302········· PIN···· 2························· · ' DS1302.5

'

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[noparse][[/noparse] Constants ]

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WrRam·········· CON···· $FE························· ' Write RAM Data
RdRam·········· CON···· $FE························· ' Read RAM Data

'

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[noparse][[/noparse] Variables ]

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index·········· VAR···· Byte························· ' Loop Counter
reg············ ·VAR···· Byte························· ' Read/Write Address
ioByte········· VAR···· Byte························· ' Data To/From DS1302
Product········VAR···· Byte
Silo············ VAR···· Byte

reg = 0
ioByte = Product
GOSUB Write_Ram

reg = 1
ioByte = Silo
GOSUB Write_Ram

Write_Ram:
·HIGH CS1302····················································· ·' Select DS1302
· SHIFTOUT DataIO, Clock, LSBFIRST, [noparse][[/noparse]reg, ioByte]
· LOW CS1302····················································· · ' Deselect DS1302
· RETURN

Read_Ram:
· HIGH CS1302···················································· · ' Select DS1302
· SHIFTOUT DataIO, Clock, LSBFIRST, [noparse][[/noparse]reg]
· SHIFTIN DataIO, Clock, LSBPRE, [noparse][[/noparse]ioByte]
· LOW CS1302···················································· · ' Deselect DS1302
· RETURN

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··Thanks for any··that you may have and all of your time finding them

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Sam

Post Edited (sam_sam_sam) : 1/17/2010 2:04:26 AM GMT

kwinn

Sam, I am not familiar with the basic stamp so this is just an outline of the steps in generic basic using your variable names. I leave the translation to basic for the stamp to you.
If you wanted to add a time stamp it could would take anywhere from 2 registers ( for HH:MM stored as packed BCD ) to 7 registers ( date and time as it appears in the 7 date time registers ). This would mean reducing the number of entries you could store as follows:
Storing 2 bytes (product and silo) 15 entries
Storing 4 bytes (product, silo, HH:MM) 7 entries
Storing 9 bytes (product, silo, 7 date time registers) 3 entries

' This code will write the product and silo to registers 0 to 29 and then start over at 0
loop:
reg = 0
for index = 0 to 14
ioByte = Product
GOSUB Write_Ram
reg = reg + 1
ioByte = Silo
GOSUB Write_Ram
reg = reg + 1
' Time stamp could be added here if the number of loops (for index = 0 to 14) is decreased
end for
goto loop

Chris Savage

I'm not sure I understand what you mean...are you just trying to overwrite previous samples stored on the datalogger? Where do the register names come into play?

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Chris Savage

Parallax Engineering
Check out the new Savage Circuits TV!
·

sam_sam_sam

Chris

Where do the register names come into play

They are just name

are you just trying to overwrite previous samples stored on the datalogger

Yes want to use the DS1302· ram as a data looger of sorts

A while back I ask how to save data on a DS1302 ram and you had a post where you put this as a example in the first post

My question is how would save the value so you could read the 0-30 slots that the chip has

I just want read what in ram at any given time the most updated Data


Here is an example >>>> let say

Using an ADC


Reading1· 1.23
Reading2··1.35
Reading3··1.45

and so on to

Reading 30

once it has reach 30
it start back over to

Reading1· with new data

and so on
·

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··Thanks for any··that you may have and all of your time finding them

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·
·
Sam

Post Edited (sam_sam_sam) : 1/28/2010 12:49:33 AM GMT