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PIC16F877A with GLCD (HDM64GS12 with KS01108)
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Ttelmah



Joined: 11 Mar 2010
Posts: 19658

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PostPosted: Tue Jan 25, 2022 7:03 am     Reply with quote
The code as shown will almost certainly be giving him warnings that
"Interrupts are disabled to prevent re-entrancy".
You should not be calling lcd functions inside the interrupt, and in the
main code.
If you want an interrupt timed delay, then setup the timer, clear a flag,
have the timer set this flag when it completes.
Then in the main code, when this flag becomes set, do the lcd functions.
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