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Problem with reading PING.2 status of atmega64 g port in Codevision

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masood-ma

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i want to use atmega64 port 's to input but i can not read status PING.2 in codevision
sample
if(PING.2==0) PORTA.7=1;
hlep me please
 

use atmega64 g port

Do you have set the direct register for input?
 

    M

    masood-ma

    Points: 2
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Re: use atmega64 g port

yes i set port to input
i can work with a,b,c, and d port but can't use g e and f port
 

Re: use atmega64 g port

Hi,

There is a limitation for codevision avr that it can not read after certain i/0 addresses.
You need to access whole port not the bit alone.

For example.,

instead of
if(PING.2 == 1)

use
if(PORTG & 0x04 == 1).

it will definately work.

NIKS
 

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