IDTech iOS SDK Guide  1.1.166.045
API reference for VP3300
Implement any/all of the optional delegate protocols used to receive data from IDT_VP3300_Delegate:
- (void) deviceConnected;
- (void) deviceDisconnected;
- (void) plugStatusChange:(BOOL)deviceInserted;
- (void) dataInOutMonitor:(NSData*)data incoming:(BOOL)isIncoming;
- (void) swipeMSRData:(IDTMSRData*)cardData;
- (void) deviceMessage:(NSString*)message;
- (void) lcdDisplay:(int)mode lines:(NSArray*)lines;
- (void) pinRequest:(EMV_PIN_MODE_Types)mode key:(NSData*)key PAN:(NSData*)PAN startTO:(int)startTO intervalTO:(int)intervalTO language:(NSString*)language;
- (void) emvTransactionData:(IDTEMVData*)emvData errorCode:(int)error;