Epson TM-T20II-i ePOS-Device XML Users Manual For TM-i firmware v4.1 - Page 35
Programming flow for the Communication Box, Applic, tion B, Device
![]() |
View all Epson TM-T20II-i manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 35 highlights
Chapter 3 Programming Guide Programming flow for the Communication Box The following indicates the basic programming sequence using the Communication Box. Application A ePOS-Device Application B [1/2] 1 : Establishment of TCP/IP connection() TCP connection to Socket I/F from the native application 2 : connect message() Establishes communication path with ePOS-Device Service I/F 3 : open_commbox message 1 : Establishment of TCP/IP connection() TCP connection to Socket I/F from the native application 2 : connect message() Establishes communication path with ePOS-Device Service I/F 3.1 : Creates the Communication Box 3.2 : Adds Application A to members 3 3.3 : Response() 3 : open_commbox message 3.2 : Adds Application B to members 4 : commbox_data message(type:send) 4.3 : Response() 3.3 : Response() 4.2 : commbox_data message (type:onreceive) 35
![](/manual_guide/products/epson-tmh6000ivdt-eposdevice-xml-user-s-manual-tmi-firmware-v41-e74dbd1/35.png)