output to port.fx

[chipfryer]

Driving me crazy- how do you do this:

if(condition) { PORTA.i = 1; } ELSE { PORTA.i =0; }
i++;

ie I want to loop through each of the pins on portA and turn them on or off depending on the condition which uses data in array

Thanks

[tihomir.losic]

Hello,

the syntax of the if statement is:

Code: Select all

if (expression) statement1 [else statement2]

If expression evaluates to true, statement1 executes. If expression is false, statement2 executes.
The expression must evaluate to an integral value; otherwise, the condition is ill-formed. Parentheses around the expression are mandatory.

The else keyword is optional, but no statements can come between if and else.

Best regards,

Losic Tihomir

[chipfryer]

Thanks but it's not the IF statement I need help with- it is the PORTA command: how to scroll through each pin using the variable i

[balazs]

In the first place if your i++ is in an endless loop your i will be very high in matter of us.
You should write something like this:

Code: Select all

void main(){
int i=0;
while(1){
if(condition)
 { PORTA.i = 1;} 
ELSE
 { PORTA.i =0;}
    i++;
    Delay_ms(500);
    if(i>7)i=0;
}
}

your condition can be a button press for example.
Regards Balazs.

[chipfryer]

No the ONLY problem I have is with the PORTA.i line! This does not compile.
I want to change i (using the loop) to scroll through the pins of PORTA. IF's DO's and all other coding is fine.

Thanks.