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SPI Pin Assignment Problems with PIC Wizard

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rallygoer

Joined: 24 Sep 2009
Posts: 1
Location: Staffordshire

SPI Pin Assignment Problems with PIC Wizard

Posted: Thu Jan 29, 2015 3:47 am

As of version 5.040 I have noticed a problem with the pin assignment when using the wizard to set up initial hardware.

On some parts it seems pin_select does not seem to work at all
i.e. on PIC18F97J94

Code:

#pin_select SCK2=PIN_A1
#pin_select SDI2=PIN_A2

fails with Invalid Pre-Processor Directive Invalid Pin ID

and on others, as in my case PIC18F26J11:

Code:

#pin_select SCK2=PIN_C1
#pin_select SDI2=PIN_C2
#pin_select SD02=PIN_C3
#pin_select SS2OUT=PIN_None

Look carefully at line 3 SDO2. It is actually generated as SD(Zero)2, and not SD(Oh)2.
Also PIN_None is not valid for any pin, and should not be generated by the wizard, so just delete it as it is not required.

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