OPC

FAQ

• AIDL_Service_Demo&Guide.zip

This file is applicable for scenarios where application development on a POS terminal is required, involving direct calls to the Payment AIDL Interface. (适用于需要在POS机上开发应用，这种情况下，直接调用Payment AIDL Interface.)

• OPC_Serialport_Guilde&Demo.zip

This file is suitable for scenarios where no application development on the POS terminal is needed. Instead, the Vendor Machine communicates directly with the Payment Interface. In this case, communication between the POS terminal and the Vendor Machine supports serial port, MDB (Multi-Drop Bus), and Socket protocols. (适用于不需要在POS机上开发应用，上位机直接和PaymentInterface通讯。这种情况下，POS机和上位机之间支持串口，MDB，Socket通讯。)

• 支付接口操作文档.pdf
• PaymentUserGuide.pdf
• MDB_Version_4-3.pdf
• paymentapptest.mp4