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Parameters are refined by the selected printer.

setGetPrinterSettingExDelegate


Registers a callback method for an event to notify the processing result of the devices from execution of the getPrinterSettingEx API.

Syntax

 
- (void) setGetPrinterSettingExDelegate:(id<Epos2PrinterGetPrinterSettingExDelegate>)delegate;

Parameter

delegate

Specifies an object conforming to the Epos2PrinterGetPrinterSettingExDelegate protocol.

Protocol declaration

 
@protocol Epos2PtrGetPrinterSettingExDelegate <NSObject>
@required
- (void) onGetPrinterSettingEx:(Epos2Printer *)printerObj
code:(int)code jsonString:(NSString *)jsonString;
@end

Parameter

printerObj

The callback source object is stored.

code

The processing result is stored.

Error status

Description

EPOS2_CODE_SUCCESS

Successful

EPOS2_CODE_ERR_PORT

Error was detected with the communication port.

EPOS2_CODE_ERR_TIMEOUT

Processing did not end within the specified time period.

EPOS2_CODE_ERR_AUTORECOVER

Automatic recovery error occurred.

EPOS2_CODE_ERR_UNRECOVERABLE

Unrecoverable error occurred.

EPOS2_CODE_ERR_CUTTER

Auto cutter error occurred.

EPOS2_CODE_ERR_MECHANICAL

Mechanical error occurred.

EPOS2_CODE_ERR_DEVICE_BUSY

Used by other connection target.

EPOS2_CODE_ERR_FAILURE

An unknown error occurred.

jsonString

The acquired set value of the printer setting is stored in the JSON format.

Refer to JSON_Spec_sheet_revx.pdf included in the package for more information.

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.
  • If the code is other than EPOS2_CODE_SUCCESS, "" (blank character) is stored in jsonString.
  • If the getPrinterSettingEx API is executed in a non-supported printer, EPOS2_CODE_SUCCESS is stored in code, and "" (blank character) is stored in jsonString.
 

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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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