Magtek Universal SDK, Руководство программиста

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6 - IDeviceControl
MagTek Universal SDK| For MMS Devices | Programmer’s Manual ( Java )
Page 23
6 IDeviceControl
Create an instance of the IDeviceControl , then use the function calls described in this chapter.
6.1 close
This function closes the connection to the device.
boolean IDeviceControl.close();
Return Value:
Returns true if successful. Otherwise, returns false.
6.2 deviceReset
This function resets the device. This is equivalent to a power reset. After the reset, connection to the
device will need to be re-established.
boolean IDeviceControl.deviceReset();
Return Value:
Returns true if successful. Otherwise, returns false.
6.3 displayMessage
This function sets a show message on the device’s display.
boolean IDeviceControl.displayMessage(byte messageID, byte timeout);