Change of values

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jbs4wd
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Change of values

Post by jbs4wd »

Hi
I am trying set up a function that when for example P1 is set to 200 within the program via a user setting function., it stays there when unit is turned of and then back on. I am using a 16F690. How can I do this please.
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JOHN
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kersing
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Re: Change of values

Post by kersing »

Store the value in EEPROM. Read it at startup of the program and write a new value when it is provided by the user. Use an additional byte of EEPROM storage with a special value to indicate there is a stored value to prevent using uninitialized EEPROM data the first time your program runs.

In these messages a similar problem is addressed.
“Integrity is doing the right thing, even when no one is watching.”

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jbs4wd
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Re: Change of values

Post by jbs4wd »

Thank you. That kicked the thought bubble into action

John
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