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  4. setStatusChangeEventDelegate

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Parameters are refined by the selected printer.

setStatusChangeEventDelegate

Registers a callback method for a status change event.

Syntax

 
 
- (void) setStatusChangeEventDelegate: (id<Epos2PtrStatusChangeDelegate>)delegate;

Parameter

delegate

Specifies an object conforming to the Epos2PtrStatusChangeDelegate protocol.

Protocol declaration

 
 
@protocol Epos2PtrStatusChangeDelegate <NSObject>
@required
- (void) onPtrStatusChange:(Epos2Printer *)printerObj eventType:(int) eventType;
@end

Parameter

printerObj

The callback source object is stored.

eventType

The type of the event that occurred is stored.

Event type

Description

EPOS2_EVENT_ONLINE

Online

EPOS2_EVENT_OFFLINE

Offline

EPOS2_EVENT_POWER_OFF

Power off

EPOS2_EVENT_COVER_CLOSE

Cover close

EPOS2_EVENT_COVER_OPEN

Cover open

EPOS2_EVENT_PAPER_OK

Paper remains.

EPOS2_EVENT_PAPER_NEAR_END

Paper has almost run out.

EPOS2_EVENT_PAPER_EMPTY

Paper has run out.

EPOS2_EVENT_DRAWER_HIGH

Drawer kick connector pin No.3 status = "H"

EPOS2_EVENT_DRAWER_LOW

Drawer kick connector pin No.3 status = "L"

EPOS2_EVENT_BATTERY_ENOUGH

Battery is enough.

EPOS2_EVENT_BATTERY_EMPTY

Battery has run out.

EPOS2_EVENT_REMOVAL_WAIT_PAPER

Waiting for paper removal.

EPOS2_EVENT_REMOVAL_WAIT_NONE

Not waiting for paper removal.

EPOS2_EVENT_REMOVAL_DETECT_PAPER

The paper removal sensor is detecting paper.

EPOS2_EVENT_REMOVAL_DETECT_PAPER_NONE

The paper removal sensor is not detecting paper.

EPOS2_EVENT_REMOVAL_DETECT_UNKOWN

A state that is not detectable by the paper removal sensor.

EPOS2_EVENT_AUTO_RECOVER_ERROR

Automatic recovery error status

EPOS2_EVENT_AUTO_RECOVER_OK

Not automatic recovery error status.

EPOS2_EVENT_UNRECOVERABLE

Unrecoverable error occurred.

Supplementary explanation

  • When this API is run multiple times, the callback method specified later takes effect.
  • If nil is specified in delegate when calling this API, the registered callback method is canceled.
  • To get the "EVENT_REMOVAL_DETECT" related status, you need to enable the "Paper Taken Sensor Status" setting using Epson TM Utility.
 

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Epson ePOS SDK includes patented or patent pending functions. The contents must not be disclosed to third parties.


Epson ePOS SDK for iOS

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