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What does the inp() command do?

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crocklip

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What is this command?

Hi,

I have been trying to convert some C code for an ATMEL2323 chip to code for a Microchip 16F877a.
The line of code for the 2323 chip that I cannot understand is this:

count += (count_hi << 8) + inp(TCNT0); // get counter value

where the count_hi is an overflow accumulator.

what does the inp() command do? and how could I implement this to a 16f887a?

Any help at all would be great! :D

Thanks.
 

Re: What is this command?

This is more like the user procedure, in the code find definition of Input() procedure, must be something like this :
void Input() void;

Also is a possible that this is a capture function, and TCNT0 is timer 0 or some other hardware device address. If you have full source code, you can see what exactly is TCNT0, in your C code yuo must have :
#include <some_procesor.h>
in this file you have a definition for all declaration, also declaration can be made in your .c file
#define TNCO 0x52 , for example.
Direct translation from Atmel to PIC is impossible, you must use other peripheral devices, and if use the procedure for time generation, you must recalculate this procedures.
 

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