problem in my line following robot program can any one plz help me

//PORTA pin 0 = right sensor
//PORTA pin 1 = left sensor
//PORTA pin 0 = left motor forward
//PORTA pin 1 = left motor backward
//PORTA pin 2 = right motor forward
//PORTA pin 3 = right motor backward

void main()
{
set_tris_a(0xff);
set_tris_b(0x00);
while(1)
{
if(!input_state(pin_A0)&& !input_state(pin_A1))// go forward
{
output_b(0x05);
}
if(input_state(pin_A0)&& input_state(pin_A1))//left turn
{
output_b(0x06);
}
if(!input_state(pin_A0)&& !input_state(pin_A1))// right turn
{
output_b(0x09);
}
if(input_state(pin_A0)&& input_state(pin_A1))// go back
{
output_b(0x0A);
}

Please explain your problem in details if you want to get helped.

However, as I can see from your code that you are setting PORTA as an output port and, in the same time you connect the sensors to this output port.

//PORTA pin 0 = right sensor
//PORTA pin 1 = left sensor
...
set_tris_a(0xff); ------------> This sets the whole port to be output

Click to expand...

You either connect the sensors to portB or use TrisA = 0xFC

Port A is analog..make sure you have disable analog module..set all pin to digital..

thank u but i encourted another problem in source code

what is it?

ya i am unable to built up my source code..........

What is the error? and in what statement?
Please provide more details if you want to get help.

Thanks for d help
its coming as invalid source code durin compiling...

what is the target and the compiler

make sure your program is rite..if you cant compile..
post your code..someone will figure it out..

the compiler is ccp compiler