/* * Copyright (C) 2010 NXP Semiconductors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * \file phFriNfc_LlcpTransport_Connectionless.c * \brief * * Project: NFC-FRI * */ /*include files*/ #include <phOsalNfc.h> #include <phLibNfcStatus.h> #include <phLibNfc.h> #include <phNfcLlcpTypes.h> #include <phFriNfc_LlcpTransport.h> #include <phFriNfc_Llcp.h> /* TODO: comment function Handle_Connectionless_IncommingFrame */ void Handle_Connectionless_IncommingFrame(phFriNfc_LlcpTransport_t *pLlcpTransport, phNfc_sData_t *psData, uint8_t dsap, uint8_t ssap) { uint8_t i=0; for(i=0;i<PHFRINFC_LLCP_NB_SOCKET_MAX;i++) { /* Test if a socket is registered to get this packet */ if(pLlcpTransport->pSocketTable[i].socket_sSap == dsap && pLlcpTransport->pSocketTable[i].bSocketRecvPending == TRUE) { /* Reset the RecvPending variable */ pLlcpTransport->pSocketTable[i].bSocketRecvPending = FALSE; /* Copy the received buffer into the receive buffer */ memcpy(pLlcpTransport->pSocketTable[i].sSocketRecvBuffer->buffer,psData->buffer,psData->length); /* Update the received length */ *pLlcpTransport->pSocketTable[i].receivedLength = psData->length; /* call the Recv callback */ pLlcpTransport->pSocketTable[i].pfSocketRecvFrom_Cb(pLlcpTransport->pSocketTable[i].pRecvContext,ssap,NFCSTATUS_SUCCESS); break; } } } /* TODO: comment function phFriNfc_LlcpTransport_Connectionless_SendTo_CB */ static void phFriNfc_LlcpTransport_Connectionless_SendTo_CB(void* pContext, NFCSTATUS status) { phFriNfc_LlcpTransport_Socket_t *pLlcpSocket = (phFriNfc_LlcpTransport_Socket_t*)pContext; /* Reset the SendPending variable */ pLlcpSocket->bSocketSendPending = FALSE; /* Call the send callback */ pLlcpSocket->pfSocketSend_Cb(pLlcpSocket->pSendContext,status); } static void phFriNfc_LlcpTransport_Connectionless_Abort(phFriNfc_LlcpTransport_Socket_t* pLlcpSocket) { if (pLlcpSocket->pfSocketSend_Cb != NULL) { pLlcpSocket->pfSocketSend_Cb(pLlcpSocket->pSendContext, NFCSTATUS_ABORTED); pLlcpSocket->pSendContext = NULL; pLlcpSocket->pfSocketSend_Cb = NULL; } if (pLlcpSocket->pfSocketRecvFrom_Cb != NULL) { pLlcpSocket->pfSocketRecvFrom_Cb(pLlcpSocket->pRecvContext, 0, NFCSTATUS_ABORTED); pLlcpSocket->pRecvContext = NULL; pLlcpSocket->pfSocketRecvFrom_Cb = NULL; pLlcpSocket->pfSocketRecv_Cb = NULL; } pLlcpSocket->pAcceptContext = NULL; pLlcpSocket->pfSocketAccept_Cb = NULL; pLlcpSocket->pListenContext = NULL; pLlcpSocket->pfSocketListen_Cb = NULL; pLlcpSocket->pConnectContext = NULL; pLlcpSocket->pfSocketConnect_Cb = NULL; pLlcpSocket->pDisonnectContext = NULL; pLlcpSocket->pfSocketDisconnect_Cb = NULL; } /** * \ingroup grp_fri_nfc * \brief <b>Close a socket on a LLCP-connectionless device</b>. * * This function closes a LLCP socket previously created using phFriNfc_LlcpTransport_Socket. * * \param[in] pLlcpSocket A pointer to a phFriNfc_LlcpTransport_Socket_t. * \retval NFCSTATUS_SUCCESS Operation successful. * \retval NFCSTATUS_INVALID_PARAMETER One or more of the supplied parameters * could not be properly interpreted. * \retval NFCSTATUS_FAILED Operation failed. */ NFCSTATUS phFriNfc_LlcpTransport_Connectionless_Close(phFriNfc_LlcpTransport_Socket_t* pLlcpSocket) { /* Reset the pointer to the socket closed */ pLlcpSocket->eSocket_State = phFriNfc_LlcpTransportSocket_eSocketDefault; pLlcpSocket->eSocket_Type = phFriNfc_LlcpTransport_eDefaultType; pLlcpSocket->pContext = NULL; pLlcpSocket->pSocketErrCb = NULL; pLlcpSocket->socket_sSap = PHFRINFC_LLCP_SAP_DEFAULT; pLlcpSocket->socket_dSap = PHFRINFC_LLCP_SAP_DEFAULT; pLlcpSocket->bSocketRecvPending = FALSE; pLlcpSocket->bSocketSendPending = FALSE; pLlcpSocket->bSocketListenPending = FALSE; pLlcpSocket->bSocketDiscPending = FALSE; pLlcpSocket->RemoteBusyConditionInfo = FALSE; pLlcpSocket->ReceiverBusyCondition = FALSE; pLlcpSocket->socket_VS = 0; pLlcpSocket->socket_VSA = 0; pLlcpSocket->socket_VR = 0; pLlcpSocket->socket_VRA = 0; phFriNfc_LlcpTransport_Connectionless_Abort(pLlcpSocket); memset(&pLlcpSocket->sSocketOption, 0x00, sizeof(phFriNfc_LlcpTransport_sSocketOptions_t)); if (pLlcpSocket->sServiceName.buffer != NULL) { phOsalNfc_FreeMemory(pLlcpSocket->sServiceName.buffer); } pLlcpSocket->sServiceName.buffer = NULL; pLlcpSocket->sServiceName.length = 0; return NFCSTATUS_SUCCESS; } /** * \ingroup grp_fri_nfc * \brief <b>Send data on a socket to a given destination SAP</b>. * * This function is used to write data on a socket to a given destination SAP. * This function can only be called on a connectionless socket. * * * \param[in] pLlcpSocket A pointer to a LlcpSocket created. * \param[in] nSap The destination SAP. * \param[in] psBuffer The buffer containing the data to send. * \param[in] pSend_RspCb The callback to be called when the * operation is completed. * \param[in] pContext Upper layer context to be returned in * the callback. * * \retval NFCSTATUS_SUCCESS Operation successful. * \retval NFCSTATUS_INVALID_PARAMETER One or more of the supplied parameters * could not be properly interpreted. * \retval NFCSTATUS_PENDING Reception operation is in progress, * pSend_RspCb will be called upon completion. * \retval NFCSTATUS_INVALID_STATE The socket is not in a valid state, or not of * a valid type to perform the requsted operation. * \retval NFCSTATUS_NOT_INITIALISED Indicates stack is not yet initialized. * \retval NFCSTATUS_SHUTDOWN Shutdown in progress. * \retval NFCSTATUS_FAILED Operation failed. */ NFCSTATUS phFriNfc_LlcpTransport_Connectionless_SendTo(phFriNfc_LlcpTransport_Socket_t *pLlcpSocket, uint8_t nSap, phNfc_sData_t* psBuffer, pphFriNfc_LlcpTransportSocketSendCb_t pSend_RspCb, void* pContext) { NFCSTATUS status = NFCSTATUS_SUCCESS; /* Store send callback and context*/ pLlcpSocket->pfSocketSend_Cb = pSend_RspCb; pLlcpSocket->pSendContext = pContext; /* Test if a send is pending with this socket */ if(pLlcpSocket->bSocketSendPending == TRUE) { status = NFCSTATUS_FAILED; pLlcpSocket->pfSocketSend_Cb(pLlcpSocket->pSendContext,status); } else { /* Fill the psLlcpHeader stuture with the DSAP,PTYPE and the SSAP */ pLlcpSocket->sLlcpHeader.dsap = nSap; pLlcpSocket->sLlcpHeader.ptype = PHFRINFC_LLCP_PTYPE_UI; pLlcpSocket->sLlcpHeader.ssap = pLlcpSocket->socket_sSap; pLlcpSocket->bSocketSendPending = TRUE; /* Send to data to the approiate socket */ status = phFriNfc_Llcp_Send(pLlcpSocket->psTransport->pLlcp, &pLlcpSocket->sLlcpHeader, NULL, psBuffer, phFriNfc_LlcpTransport_Connectionless_SendTo_CB, pLlcpSocket); } return status; } /** * \ingroup grp_lib_nfc * \brief <b>Read data on a socket and get the source SAP</b>. * * This function is the same as phLibNfc_Llcp_Recv, except that the callback includes * the source SAP. This functions can only be called on a connectionless socket. * * * \param[in] pLlcpSocket A pointer to a LlcpSocket created. * \param[in] psBuffer The buffer receiving the data. * \param[in] pRecv_RspCb The callback to be called when the * operation is completed. * \param[in] pContext Upper layer context to be returned in * the callback. * * \retval NFCSTATUS_SUCCESS Operation successful. * \retval NFCSTATUS_INVALID_PARAMETER One or more of the supplied parameters * could not be properly interpreted. * \retval NFCSTATUS_PENDING Reception operation is in progress, * pRecv_RspCb will be called upon completion. * \retval NFCSTATUS_INVALID_STATE The socket is not in a valid state, or not of * a valid type to perform the requsted operation. * \retval NFCSTATUS_NOT_INITIALISED Indicates stack is not yet initialized. * \retval NFCSTATUS_SHUTDOWN Shutdown in progress. * \retval NFCSTATUS_FAILED Operation failed. */ NFCSTATUS phLibNfc_LlcpTransport_Connectionless_RecvFrom(phFriNfc_LlcpTransport_Socket_t *pLlcpSocket, phNfc_sData_t* psBuffer, pphFriNfc_LlcpTransportSocketRecvFromCb_t pRecv_Cb, void *pContext) { NFCSTATUS status = NFCSTATUS_PENDING; if(pLlcpSocket->bSocketRecvPending) { status = PHNFCSTVAL(CID_FRI_NFC_LLCP_TRANSPORT, NFCSTATUS_REJECTED); } else { /* Store the callback and context*/ pLlcpSocket->pfSocketRecvFrom_Cb = pRecv_Cb; pLlcpSocket->pRecvContext = pContext; /* Store the pointer to the receive buffer */ pLlcpSocket->sSocketRecvBuffer = psBuffer; pLlcpSocket->receivedLength = &psBuffer->length; /* Set RecvPending to TRUE */ pLlcpSocket->bSocketRecvPending = TRUE; } return status; }