SNIP_CLASSIC_COMSTACK_SECTION_8_6_3_1_LdComCbkCopyTxData

8.6.3.1 LdComCbkCopyTxData [SWS_LDCOM_91001] Definition of configurable interface <LdComUser_LdCom CbkCopyTxData> Status: DRAFT Upstream requirements: SRS_Com_02109, SRS_Com_02114 ⌈ Service Name <LdComUser_LdComCbkCopyTxData> (draft) Syntax BufReq_ReturnType <LdComUser_LdComCbkCopyTxData> ( CbkHandleIdType LdComUserCbkHandleId, const PduInfoType* info, const RetryInfoType* retry, PduLengthType* availableDataPtr ) Sync/Async Synchronous Reentrancy Non Reentrant for same LdComUserCbkHandleId, otherwise Reentrant LdComUserCbkHandleId LdCom user callback handle Id corresponding to the transmitted I-PDU info Provides the destination buffer (SduDataPtr) and the number of bytes to be copied (SduLength). If not enough transmit data is available, no data is copied by the upper layer module and BUFREQ_E_BUSY is returned. The lower layer module may retry the call. An SduLength of 0 can be used to indicate state changes in the retry parameter or to query the current amount of available data in the upper layer module. In this case, the Sdu DataPtr may be a NULL_PTR. Parameters (in) retry Will not be handled by LdCom and its upper layer. Parameters (inout) None Parameters (out) availableDataPtr Indicates the remaining number of bytes that are available in the upper layer module’s Tx buffer. availableDataPtr can be used by TP modules that support dynamic payload lengths (e.g. FrIsoTp) to determine the size of the following CFs. Return value BufReq_ReturnType BUFREQ_OK: Data has been copied to the transmit buffer completely as requested. BUFREQ_E_BUSY: Request could not be fulfilled, because the required amount of Tx data is not available. The lower layer module may retry this call later on. No data has been copied. BUFREQ_E_NOT_OK: Data has not been copied. Request failed. Description This function is called to acquire the transmit data of an I-PDU segment (N-PDU). Each call to this function provides the next part of the I-PDU data unless retry->TpDataState is TP_ DATARETRY. In this case the function restarts to copy the data beginning at the offset from the current position indicated by retry->TxTpDataCnt. The size of the remaining data is written to the position indicated by availableDataPtr Tags: atp.Status=draft Available via LdComUserHeaderInclude ([ECUC_LdCom_xxx04]) ⌋