IDTech iOS SDK Guide  1.1.166.045
API reference for VP3300
Call the Singleton instance of the IDT_VP3300 framework object:

A Singleton instance has been established in the IDT_VP3300 class. To utilize the delegate protocols, best practices would be initialize the connection by setting the delegate with the singleton instance.

To enable scanning for a VP3300 with Bluetooth Low Energy capabilities, you need to execute device_enableBLEDeviceSearch: (IDT_VP3300) identifier:().

- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
[[IDT_VP3300 sharedController] setDelegate:self];
[[IDT_VP3300 sharedController] device_enableBLEDeviceSearch:IDT_DEVICE_VP3300_IOS identifier:nil];
}