Sending IR signal from Arduino to F&D speakers - arduino

Question

I am using below code to send an IR signal to my speaker but they don't respond.
#include <IRremote.h>
IRsend irsend;
const int buttonPin = 8; // the number of the pushbutton pin
//const int ledPin = 3;
int buttonState = 0; // variable for reading the pushbutton status
void setup()
{
// pinMode(ledPin, OUTPUT);
// initialize the pushbutton pin as an input:
pinMode(buttonPin, INPUT);
Serial.begin(9600);
}
void loop() {
buttonState = digitalRead(buttonPin);
// check if the pushbutton is pressed.
// if it is, the buttonState is HIGH:
if (buttonState == HIGH) {
// turn LED on:
digitalWrite(7,HIGH);
irsend.sendNEC(0x1FE08F7,32);
}else{
digitalWrite(7,LOW);
}
}
IR Reciever on my other Arduino receives signal but also they vary sometime it shows UNKNOWN and sometime NEC. I am using below code:
#include <IRremote.h>
const int RECV_PIN = 11;
IRrecv irrecv(RECV_PIN);
decode_results results;
void setup()
{
Serial.begin(9600);
irrecv.enableIRIn(); // Start the receiver
irrecv.blink13(true);
}
void loop() {
if (irrecv.decode(&results)) {
if (results.decode_type == NEC) {
Serial.print("NEC: ");
} else if (results.decode_type == SONY) {
Serial.print("SONY: ");
} else if (results.decode_type == RC5) {
Serial.print("RC5: ");
} else if (results.decode_type == RC6) {
Serial.print("RC6: ");
} else if (results.decode_type == UNKNOWN) {
Serial.print("UNKNOWN: ");
}
Serial.println(results.value, HEX);
Serial.println(results.value);
irrecv.resume(); // Receive the next value
}
}
The NEC code that I recieved is correct but on that code speaker does not respond. I double checked the HEX code with the remote that came along with speaker but nothing seem to work.

Answer 1

I think that you could have problem with the HEX literal.
From Arduino API:
By default, an integer constant is treated as an int with the attendant limitations in values. To specify an integer constant with another data type, follow it with:
a 'u' or 'U' to force the constant into an unsigned data format. Example: 33u
a 'l' or 'L' to force the constant into a long data format. Example: 100000L
a 'ul' or 'UL' to force the constant into an unsigned long constant. Example: 32767ul
And from GitHub:
void sendNEC (unsigned long data, int nbits) ;
So, try:
irsend.sendNEC(0x01FE08F7UL,32);