Komut
discoverService()
Açıklama
BLE cihazında belirli bir servisin özelliklerini keşfedin.
Sözdizimi
bleDevice.discoverService (serviceUuid)
Parametreler
serviceUuid : keşfedilecek service UUID (dize olarak)
İadeler
true , başarılı olursa başarısız olduğunda false .
Misal
…
// begin initialization
if (!BLE.begin()) {
Serial.println("starting BLE failed!");
while (1);
}
Serial.println("BLE Central scan");
// start scanning for peripheral
BLE.scan();
// …
BLEDevice peripheral = BLE.available();
if (peripheral) {
// ...
Serial.println("Connecting ...");
if (peripheral.connect()) {
Serial.println("Connected");
} else {
Serial.println("Failed to connect!");
return;
}
// discover service attributes
Serial.println("Discovering service attributes ...");
if (peripheral.serviceUuid("fffe")) {
Serial.println("Service attributes discovered");
} else {
Serial.println("Service attribute discovery failed!");
peripheral.disconnect();
return;
}
// ...
}
…
// begin initialization
if (!BLE.begin()) {
Serial.println("starting BLE failed!");
while (1);
}
Serial.println("BLE Central scan");
// start scanning for peripheral
BLE.scan();
// …
BLEDevice peripheral = BLE.available();
if (peripheral) {
// ...
Serial.println("Connecting ...");
if (peripheral.connect()) {
Serial.println("Connected");
} else {
Serial.println("Failed to connect!");
return;
}
// discover service attributes
Serial.println("Discovering service attributes ...");
if (peripheral.serviceUuid("fffe")) {
Serial.println("Service attributes discovered");
} else {
Serial.println("Service attribute discovery failed!");
peripheral.disconnect();
return;
}
// ...
}
…
See Also
- discoverAttributes()
- deviceName()
- appearance()
- serviceCount()
- hasService()
- service()
- characteristicCount()
- hasCharacteristic()