Timer (NSTimer scheduledTimerWithTimeInternval) and Bluetooth Delegate: CBPeripheralDelegate does not work with NSTimer -

i need create regular timer read rssi value of bluetooth peripheral. code has viewcontroller delegate object in turn delegate bluetooth:

in viewcontroller:

@property (weak, nonatomic) ioeble *blecontrollerofdiscoveredgateway; 

in class ioeble (ioeble.h):

@protocol ioebledelegate <nsobject> @optional -(void) responsefromblecontroller:(nsstring *)sw; @required @end   @interface ioeble : nsobject <cbcentralmanagerdelegate, cbperipheraldelegate>  @property (nonatomic,assign) id <ioebledelegate> delegate; @property (strong, nonatomic) nsmutablearray *peripherals; @property (strong, nonatomic) cbcentralmanager *cm; @property (strong, nonatomic) cbperipheral *activeperipheral;  @end 

in ioeble.m implemented 1 of delegate methods cbperipheraldelegate:

- (void)peripheral:(cbperipheral *)peripheral didupdatevalueforcharacteristic:(cbcharacteristic *)characteristic error:(nserror *)error {  // code here   } 

in viewcontroller - trying create regular timer read rssi value using timer selector, here code timer creation:

// schedules new timer, adds current run loop , waits forever. - (void) starttimer {     _timer = [nstimer scheduledtimerwithtimeinterval: 10.0                                               target:self                                             selector:@selector(request)                                             userinfo:nil                                              repeats:yes]; //    [[nsrunloop mainrunloop] addtimer:_timer formode:nsdefaultrunloopmode];     [[nsrunloop currentrunloop] addtimer:_timer formode:nsdefaultrunloopmode]; //    [[nsrunloop mainrunloop] rununtildate:[nsdate distantfuture]];     [[nsrunloop currentrunloop] rununtildate:[nsdate distantfuture]]; } 

and invoke timer in viewdidappear:

[self starttimer] 

the problem running straightforward - when setup timer above, didupdatevalueforcharacterstic not called/invoked. comment out timer above , starts working. have confirmed data gets activeperipheral connected iphone, , connection alive response peripheral never makes because delegate method not called.

found fix. right, bad - should not have been calling [self starttimer], needed have this:

- (void) start {     @autoreleasepool {         [nsthread detachnewthreadselector:@selector(starttimer)                                  totarget:self                                withobject:nil];     } } 

and in viewdidappear:

[self start]