can't active rx in the arduino

heello evrey one,

i am trying to sent 8 bit data from pic18f8520 into arduino ,but without any success ,i allways get -1

when i am sending the same data into the pic rx the data is good, and when i want to sent data from the arduinu (from the arduino tx to the pic thats good too), so i dont realy know where is the problem any one can help me please ’

i am using this code:

void setup() {

// initialize both serial ports:

Serial.begin(9600);

/ }

void loop() {

// read from port 1, send to port 0:

int inByte = Serial.read();

delay(1000);

Serial.print(inByte);

}

thanks

eagal