Core Bluetooth slow down when sending packets

Question

I\'m experiencing an issue where the time between writing a value to a characteristic using the

[peripheral writeValue:dataPacket forCharacteristic:writeChar ty         


        

Answer 1

First of all check what you get in:

-(void) peripheral:(CBPeripheral *)peripheral didWriteValueForCharacteristic:(CBCharacteristic *)characteristic
 error:(NSError *)error {

}

if the error code is 0 that means you are sending value to peripheral WITHOUT confirming it. Check if your periheral implements this method:

//assuming 
@property (strong, nonatomic) CBPeripheralManager       *peripheralManager;

- (void)peripheralManager:(CBPeripheralManager *)peripheral didReceiveWriteRequests:(NSArray *)requests
{
    NSLog(@"WRITE REQUEST!!! %lu",(unsigned long)requests.count);
    //check if there are data

   for (CBATTRequest * req in requests) {
   //send reposnse to Central that you recivied write value and eg / accept / reject the write request
    [self.peripheralManager respondToRequest:req
                                          withResult:CBATTErrorSuccess];
   }


}