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AgnosEP provides the main point of entry to initiate EMV transactions for CL acceptance system (enpExecutePaymentTransaction): enExecutePaymentTransaction.
It shall be called from the payment application which shall manage two structures:
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Each time a new transaction is triggered these two structures shall be initialized (see.That call shall be performed once the system has been properly initialized (see AgnosMW API).
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C Structures
Refer to AgnosMW API to get more details on tPaymentContext and tOutComeParameter.
Primitives
Names | Comments |
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enpInitialize | Set internal context to prepare the entry point. This call shall be performed only when the system is cycled up. |
enpConnectPaymentServices | Connect entry point onto available L2 CL kernels This call shall be performed only when the system is cycled up |
enpReleasePaymentServices | Broadcast afsRelease to all L2 CL kernels. This call shall be performed only when the system is cycled down. |
enpDisconnectPaymentServices | Disconnect entry point from connected L2 CL kernels. This call shall be performed only when the system is cycled up |
enpExecutePaymentTransaction | Main point of entry to initiate a CL transaction. tPaymentContext shall be set accordingly tOutcomeParameter provides final status Set sp to:
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enpSetPollingTimeout | Set time used during gpiPolling to detect a card presentation |
enpSkipPollingOnNextStartB | When gpiPolling is performed from outside the entry point, skip gpiPolling call from inside the entry point to avoid double tap |
enpSetKernelSelectionMethod | N/A |
enpSetApplicationSelectionMethod | Set callback hooked after PPSE selection |
enpSetLegacyXXXStatus | Set legacy selection rule for a given payment scheme. Payment schemes' specifications, outside Book Cx, use selection rules that might differ for error management. it is important to set appropriate flag duting TA |
enpAreAllCLApplicationNotAllowed | If no CL application is selectable, provide a specific status so payment application which may fallback to CT or magstrtipe depeding on interfaces supported by the device |
enpGetPPSEFCI | PPSE’s FCI is stored so payment application can fetch any proprietary tags like 9F0A (example: ASPRD) |
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