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  4. <close_device>

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Parameters are refined by the selected printer.

<close_device>

Close connection with the device opened by <open_device>.

Requests for terminating use of the specified device and notifies the application of the acquired request result.

Request

Element

Data type

Description

device_id

string

Specifies the device ID.

Sample program

 
 
<close_device>
	<device_id>local_display</device_id>
</close_device>

Response

Element

Data type

Description

device_id

string

Device ID specified in the request

code

string

Processing result

data_id

int

One of the following values is set depending on the value set in <buffer> of the <open_device> message.

  • true: ID of sent data
  • false: Null string

code

Element value

Description

"OK"

Process succeeded.

“DEVICE_NOT_FOUND"

The specified device does not exist.

“DEVICE_NOT_OPEN"

The specified device ID is not open.

“DEVICE_CLOSE_ERROR”

Failed to close the specified device.

“SYSTEM_ERROR”

A system error occurred.

“PARAM_ERROR”

A parameter error occurred.

Sample program

  • Normal case
  •  
    		 
    <close_device>
	<device_id>local_display</device_id>
	<code>OK</code>
	<data_id>2</data_id>
</close_device>

  • Abnormal case
  •  
    		 
    <close_device>
	<device_id>scanner_001</device_id>
	<code>DEVICE_NOT_FOUND</code>
	<data_id>2</data_id>
</close_device>

Supplementary explanation

When specifying type_display in the child element type of <open_device> data, specify local_display in device_id.

 

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ePOS-Device XML includes patented or patent pending functions. The contents must not be disclosed to third parties.


ePOS-Device XML

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