ADC problems with C library and new code

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ADC problems with C library and new code

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09-01-2004, 22:13

Larry Barello Larry Barello is offline

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ADC problems with C library and new code

Has anyone successfuly manipulated the ADC hardware directly? It appears that the C compiler function "SetChanADC()" doesn't work correctly. I have tried to set the channel manually but can't seem to get it to work correctly.

The PIC (and IFI) defines show the channel # shifted left three bits, but the 18F8520 data sheet shows them shifted only 2 bits. SetChanADC() doesn't shift the bits at all.

OpenADC() does the right thing with the channel, but I don't want the overhead...

Cheers!

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