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این علامت & چیه ؟
(radio.available(&pipeNum)
کد:
byte pipeNum = 0; //variable to hold which reading pipe sent data
byte gotByte = 0; //used to store payload from transmit module
while(radio.available(&pipeNum)){ //Check if recieved data
radio.read( &gotByte, 1 ); //read one byte of data and store it in gotByte variable
Serial.print("Recieved guess from transmitter: ");
Serial.println(pipeNum); //print which pipe or transmitter this is from
Serial.print("They guess number: ");
Serial.println(gotByte); //print payload or the number the transmitter guessed
if(gotByte != daNumber) { //if true they guessed wrong
Serial.println("Fail!! Try again.");
}
else { //if this is true they guessed right
if(sendCorrectNumber(pipeNum)) Serial.println("Correct! You're done."); //if true we successfully responded
else Serial.println("Write failed"); //if true we failed responding
}
Serial.println();
}