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Strange behaviour of PIC


janvanvolt
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Hi,

have some issues with my 2nd CORE + PIC.

The CORE is working fine when i use the PIC 18F from the first core (e.g. the LCD display boot up and all is working).

If i am using the other PIC, i just get a "short" black line on the display upon booting then nothing;  however the reacting to SysEx &

reprogramming via Midi works (e.g. i see that with the LCD test application).

How can i see if the PIC is really defect or is there some possiblity to reprogram with _without_ a JDM (it's ordered but not yet arrived). ???

greets

jan

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>> *What* do you see?

With the LCD test application: nothing, just the MIDI output (on my Midibox).

When using the "programming" (e.g. 3 sec turnup) i see the bytes + ACKs from MIDI and from CORE.

The only thing i don't see is anything on the LCD.

If i use the other PIC in the SAME box with the SAME lcd, the "problem" is gone.

>> And how (or by who) was the 2nd pic programmed?

Both PICS were programmed by Mike with the default values (0x0000000000) and the bootloader.

i will have my JDM next week

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