| /* |
| * 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_LlcpMacNfcip.c |
| * \brief NFC LLCP MAC Mappings For Different RF Technologies. |
| * |
| * Project: NFC-FRI |
| * |
| */ |
| |
| |
| /*include files*/ |
| #include <phFriNfc_LlcpMac.h> |
| #include <phLibNfcStatus.h> |
| #include <phLibNfc.h> |
| #include <phLibNfc_Internal.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| static NFCSTATUS phFriNfc_LlcpMac_Nfcip_Send(phFriNfc_LlcpMac_t *LlcpMac, |
| phNfc_sData_t *psData, |
| phFriNfc_LlcpMac_Send_CB_t LlcpMacSend_Cb, |
| void *pContext); |
| |
| |
| static void phFriNfc_LlcpMac_Nfcip_TriggerRecvCb(phFriNfc_LlcpMac_t *LlcpMac, |
| NFCSTATUS status) |
| { |
| phFriNfc_LlcpMac_Reveive_CB_t pfReceiveCB; |
| void *pReceiveContext; |
| |
| if (LlcpMac->MacReceive_Cb != NULL) |
| { |
| /* Save callback params */ |
| pfReceiveCB = LlcpMac->MacReceive_Cb; |
| pReceiveContext = LlcpMac->MacReceive_Context; |
| |
| /* Reset the pointer to the Receive Callback and Context*/ |
| LlcpMac->MacReceive_Cb = NULL; |
| LlcpMac->MacReceive_Context = NULL; |
| |
| /* Call the receive callback */ |
| pfReceiveCB(pReceiveContext, status, LlcpMac->psReceiveBuffer); |
| } |
| } |
| |
| static void phFriNfc_LlcpMac_Nfcip_TriggerSendCb(phFriNfc_LlcpMac_t *LlcpMac, |
| NFCSTATUS status) |
| { |
| phFriNfc_LlcpMac_Send_CB_t pfSendCB; |
| void *pSendContext; |
| |
| if (LlcpMac->MacSend_Cb != NULL) |
| { |
| /* Save context in local variables */ |
| pfSendCB = LlcpMac->MacSend_Cb; |
| pSendContext = LlcpMac->MacSend_Context; |
| |
| /* Reset the pointer to the Send Callback */ |
| LlcpMac->MacSend_Cb = NULL; |
| LlcpMac->MacSend_Context = NULL; |
| |
| /* Call Send callback */ |
| pfSendCB(pSendContext, status); |
| } |
| } |
| |
| static NFCSTATUS phFriNfc_LlcpMac_Nfcip_Chk(phFriNfc_LlcpMac_t *LlcpMac, |
| phFriNfc_LlcpMac_Chk_CB_t ChkLlcpMac_Cb, |
| void *pContext) |
| { |
| NFCSTATUS status = NFCSTATUS_SUCCESS; |
| uint8_t Llcp_Magic_Number[] = {0x46,0x66,0x6D}; |
| |
| if(NULL == LlcpMac || NULL == ChkLlcpMac_Cb || NULL == pContext) |
| { |
| status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_INVALID_PARAMETER); |
| } |
| else |
| { |
| status = (NFCSTATUS)memcmp(Llcp_Magic_Number,LlcpMac->psRemoteDevInfo->RemoteDevInfo.NfcIP_Info.ATRInfo,3); |
| if(!status) |
| { |
| LlcpMac->sConfigParam.buffer = &LlcpMac->psRemoteDevInfo->RemoteDevInfo.NfcIP_Info.ATRInfo[3] ; |
| LlcpMac->sConfigParam.length = (LlcpMac->psRemoteDevInfo->RemoteDevInfo.NfcIP_Info.ATRInfo_Length - 3); |
| status = NFCSTATUS_SUCCESS; |
| } |
| else |
| { |
| status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_FAILED); |
| } |
| ChkLlcpMac_Cb(pContext,status); |
| } |
| |
| return status; |
| } |
| |
| static NFCSTATUS phFriNfc_LlcpMac_Nfcip_Activate (phFriNfc_LlcpMac_t *LlcpMac) |
| { |
| NFCSTATUS status = NFCSTATUS_SUCCESS; |
| |
| if(LlcpMac == NULL) |
| { |
| status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_INVALID_PARAMETER); |
| } |
| else |
| { |
| LlcpMac->LinkState = phFriNfc_LlcpMac_eLinkActivated; |
| LlcpMac->LinkStatus_Cb(LlcpMac->LinkStatus_Context, |
| LlcpMac->LinkState, |
| &LlcpMac->sConfigParam, |
| LlcpMac->PeerRemoteDevType); |
| } |
| |
| return status; |
| } |
| |
| static NFCSTATUS phFriNfc_LlcpMac_Nfcip_Deactivate (phFriNfc_LlcpMac_t *LlcpMac) |
| { |
| NFCSTATUS status = NFCSTATUS_SUCCESS; |
| |
| if(NULL == LlcpMac) |
| { |
| status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_INVALID_PARAMETER); |
| } |
| else |
| { |
| /* Set the flag of LinkStatus to deactivate */ |
| LlcpMac->LinkState = phFriNfc_LlcpMac_eLinkDeactivated; |
| |
| if (LlcpMac->SendPending) |
| { |
| /* Reset Flag */ |
| LlcpMac->SendPending = FALSE; |
| phFriNfc_LlcpMac_Nfcip_TriggerSendCb(LlcpMac, NFCSTATUS_FAILED); |
| } |
| |
| if (LlcpMac->RecvPending) |
| { |
| /* Reset Flag */ |
| LlcpMac->RecvPending = FALSE; |
| phFriNfc_LlcpMac_Nfcip_TriggerRecvCb(LlcpMac, NFCSTATUS_FAILED); |
| } |
| |
| LlcpMac->LinkStatus_Cb(LlcpMac->LinkStatus_Context, |
| LlcpMac->LinkState, |
| NULL, |
| LlcpMac->PeerRemoteDevType); |
| } |
| |
| return status; |
| } |
| |
| static void phFriNfc_LlcpMac_Nfcip_Send_Cb(void *pContext, |
| NFCSTATUS Status) |
| { |
| phFriNfc_LlcpMac_t *LlcpMac = (phFriNfc_LlcpMac_t *)pContext; |
| |
| #ifdef LLCP_CHANGES |
| if(gpphLibContext->LibNfcState.next_state |
| == eLibNfcHalStateShutdown) |
| { |
| phLibNfc_Pending_Shutdown(); |
| Status = NFCSTATUS_SHUTDOWN; |
| } |
| #endif /* #ifdef LLCP_CHANGES */ |
| |
| /* Reset Send and Receive Flag */ |
| LlcpMac->SendPending = FALSE; |
| LlcpMac->RecvPending = FALSE; |
| |
| phFriNfc_LlcpMac_Nfcip_TriggerSendCb(LlcpMac, Status); |
| |
| } |
| |
| static void phFriNfc_LlcpMac_Nfcip_Receive_Cb(void *pContext, |
| NFCSTATUS Status) |
| { |
| phFriNfc_LlcpMac_t *LlcpMac = (phFriNfc_LlcpMac_t *)pContext; |
| #ifdef LLCP_CHANGES |
| |
| phFriNfc_LlcpMac_Send_CB_t pfSendCB; |
| void *pSendContext; |
| |
| |
| if(gpphLibContext->LibNfcState.next_state |
| == eLibNfcHalStateShutdown) |
| { |
| phLibNfc_Pending_Shutdown(); |
| Status = NFCSTATUS_SHUTDOWN; |
| } |
| |
| if (NFCSTATUS_SHUTDOWN == Status) |
| { |
| /* Save context in local variables */ |
| pfSendCB = LlcpMac->MacSend_Cb; |
| pSendContext = LlcpMac->MacSend_Context; |
| |
| /* Reset the pointer to the Send Callback */ |
| LlcpMac->MacSend_Cb = NULL; |
| LlcpMac->MacSend_Context = NULL; |
| |
| /* Reset Send and Receive Flag */ |
| LlcpMac->SendPending = FALSE; |
| LlcpMac->RecvPending = FALSE; |
| } |
| |
| #endif /* #ifdef LLCP_CHANGES */ |
| |
| phFriNfc_LlcpMac_Nfcip_TriggerRecvCb(LlcpMac, Status); |
| |
| #ifdef LLCP_CHANGES |
| |
| if (NFCSTATUS_SHUTDOWN == Status) |
| { |
| if ((LlcpMac->SendPending) && (NULL != pfSendCB)) |
| { |
| pfSendCB(pSendContext, Status); |
| } |
| } |
| else |
| |
| #endif /* #ifdef LLCP_CHANGES */ |
| { |
| /* Test if a send is pending */ |
| if(LlcpMac->SendPending) |
| { |
| Status = phFriNfc_LlcpMac_Nfcip_Send(LlcpMac,LlcpMac->psSendBuffer,LlcpMac->MacSend_Cb,LlcpMac->MacSend_Context); |
| } |
| } |
| } |
| |
| static void phFriNfc_LlcpMac_Nfcip_Transceive_Cb(void *pContext, |
| NFCSTATUS Status) |
| { |
| phFriNfc_LlcpMac_t *LlcpMac = (phFriNfc_LlcpMac_t *)pContext; |
| |
| #ifdef LLCP_CHANGES |
| if(gpphLibContext->LibNfcState.next_state |
| == eLibNfcHalStateShutdown) |
| { |
| phLibNfc_Pending_Shutdown(); |
| Status = NFCSTATUS_SHUTDOWN; |
| } |
| #endif /* #ifdef LLCP_CHANGES */ |
| |
| /* Reset Send and Receive Flag */ |
| LlcpMac->SendPending = FALSE; |
| LlcpMac->RecvPending = FALSE; |
| |
| /* Call the callbacks */ |
| phFriNfc_LlcpMac_Nfcip_TriggerSendCb(LlcpMac, Status); |
| phFriNfc_LlcpMac_Nfcip_TriggerRecvCb(LlcpMac, Status); |
| } |
| |
| static NFCSTATUS phFriNfc_LlcpMac_Nfcip_Send(phFriNfc_LlcpMac_t *LlcpMac, |
| phNfc_sData_t *psData, |
| phFriNfc_LlcpMac_Send_CB_t LlcpMacSend_Cb, |
| void *pContext) |
| { |
| NFCSTATUS status = NFCSTATUS_SUCCESS; |
| |
| if(NULL == LlcpMac || NULL == psData || NULL == LlcpMacSend_Cb || NULL == pContext) |
| { |
| status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_INVALID_PARAMETER); |
| } |
| else if(LlcpMac->MacSend_Cb != NULL && LlcpMac->PeerRemoteDevType == phFriNfc_LlcpMac_ePeerTypeInitiator) |
| { |
| /*Previous callback is pending */ |
| status = NFCSTATUS_REJECTED; |
| } |
| else |
| { |
| /* Save the LlcpMacSend_Cb */ |
| LlcpMac->MacSend_Cb = LlcpMacSend_Cb; |
| LlcpMac->MacSend_Context = pContext; |
| |
| switch(LlcpMac->PeerRemoteDevType) |
| { |
| case phFriNfc_LlcpMac_ePeerTypeInitiator: |
| { |
| if(LlcpMac->RecvPending) |
| { |
| /*set the completion routines for the LLCP Transceive function*/ |
| LlcpMac->MacCompletionInfo.CompletionRoutine = phFriNfc_LlcpMac_Nfcip_Transceive_Cb; |
| LlcpMac->MacCompletionInfo.Context = LlcpMac; |
| |
| /* set the command type*/ |
| LlcpMac->Cmd.NfcIP1Cmd = phHal_eNfcIP1_Raw; |
| |
| /* set the Additional Info*/ |
| LlcpMac->psDepAdditionalInfo.DepFlags.MetaChaining = 0; |
| LlcpMac->psDepAdditionalInfo.DepFlags.NADPresent = 0; |
| LlcpMac->SendPending = TRUE; |
| |
| status = phFriNfc_OvrHal_Transceive(LlcpMac->LowerDevice, |
| &LlcpMac->MacCompletionInfo, |
| LlcpMac->psRemoteDevInfo, |
| LlcpMac->Cmd, |
| &LlcpMac->psDepAdditionalInfo, |
| psData->buffer, |
| (uint16_t)psData->length, |
| LlcpMac->psReceiveBuffer->buffer, |
| (uint16_t*)&LlcpMac->psReceiveBuffer->length); |
| } |
| else |
| { |
| LlcpMac->SendPending = TRUE; |
| LlcpMac->psSendBuffer = psData; |
| return status = NFCSTATUS_PENDING; |
| } |
| }break; |
| case phFriNfc_LlcpMac_ePeerTypeTarget: |
| { |
| if(!LlcpMac->RecvPending) |
| { |
| LlcpMac->SendPending = TRUE; |
| LlcpMac->psSendBuffer = psData; |
| return status = NFCSTATUS_PENDING; |
| } |
| else |
| { |
| /*set the completion routines for the LLCP Send function*/ |
| LlcpMac->MacCompletionInfo.CompletionRoutine = phFriNfc_LlcpMac_Nfcip_Send_Cb; |
| LlcpMac->MacCompletionInfo.Context = LlcpMac; |
| status = phFriNfc_OvrHal_Send(LlcpMac->LowerDevice, |
| &LlcpMac->MacCompletionInfo, |
| LlcpMac->psRemoteDevInfo, |
| psData->buffer, |
| (uint16_t)psData->length); |
| } |
| }break; |
| default: |
| { |
| status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_INVALID_DEVICE); |
| }break; |
| } |
| } |
| return status; |
| } |
| |
| static NFCSTATUS phFriNfc_LlcpMac_Nfcip_Receive(phFriNfc_LlcpMac_t *LlcpMac, |
| phNfc_sData_t *psData, |
| phFriNfc_LlcpMac_Reveive_CB_t LlcpMacReceive_Cb, |
| void *pContext) |
| { |
| NFCSTATUS status = NFCSTATUS_SUCCESS; |
| if(NULL == LlcpMac || NULL==psData || NULL == LlcpMacReceive_Cb || NULL == pContext) |
| { |
| status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_INVALID_PARAMETER); |
| } |
| else if(LlcpMac->MacReceive_Cb != NULL) |
| { |
| /*Previous callback is pending */ |
| status = NFCSTATUS_REJECTED; |
| } |
| else |
| { |
| /* Save the LlcpMacReceive_Cb */ |
| LlcpMac->MacReceive_Cb = LlcpMacReceive_Cb; |
| LlcpMac->MacReceive_Context = pContext; |
| |
| /* Save the pointer to the receive buffer */ |
| LlcpMac->psReceiveBuffer= psData; |
| |
| switch(LlcpMac->PeerRemoteDevType) |
| { |
| case phFriNfc_LlcpMac_ePeerTypeInitiator: |
| { |
| if(LlcpMac->SendPending) |
| { |
| /*set the completion routines for the LLCP Transceive function*/ |
| LlcpMac->MacCompletionInfo.CompletionRoutine = phFriNfc_LlcpMac_Nfcip_Transceive_Cb; |
| LlcpMac->MacCompletionInfo.Context = LlcpMac; |
| /* set the command type*/ |
| LlcpMac->Cmd.NfcIP1Cmd = phHal_eNfcIP1_Raw; |
| /* set the Additional Info*/ |
| LlcpMac->psDepAdditionalInfo.DepFlags.MetaChaining = 0; |
| LlcpMac->psDepAdditionalInfo.DepFlags.NADPresent = 0; |
| LlcpMac->RecvPending = TRUE; |
| |
| status = phFriNfc_OvrHal_Transceive(LlcpMac->LowerDevice, |
| &LlcpMac->MacCompletionInfo, |
| LlcpMac->psRemoteDevInfo, |
| LlcpMac->Cmd, |
| &LlcpMac->psDepAdditionalInfo, |
| LlcpMac->psSendBuffer->buffer, |
| (uint16_t)LlcpMac->psSendBuffer->length, |
| psData->buffer, |
| (uint16_t*)&psData->length); |
| } |
| else |
| { |
| LlcpMac->RecvPending = TRUE; |
| return status = NFCSTATUS_PENDING; |
| } |
| }break; |
| case phFriNfc_LlcpMac_ePeerTypeTarget: |
| { |
| /*set the completion routines for the LLCP Receive function*/ |
| LlcpMac->MacCompletionInfo.CompletionRoutine = phFriNfc_LlcpMac_Nfcip_Receive_Cb; |
| /* save the context of LlcpMacNfcip */ |
| LlcpMac->MacCompletionInfo.Context = LlcpMac; |
| LlcpMac->RecvPending = TRUE; |
| |
| status = phFriNfc_OvrHal_Receive(LlcpMac->LowerDevice, |
| &LlcpMac->MacCompletionInfo, |
| LlcpMac->psRemoteDevInfo, |
| LlcpMac->psReceiveBuffer->buffer, |
| (uint16_t*)&LlcpMac->psReceiveBuffer->length); |
| }break; |
| default: |
| { |
| status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_INVALID_DEVICE); |
| }break; |
| } |
| } |
| return status; |
| } |
| |
| |
| NFCSTATUS phFriNfc_LlcpMac_Nfcip_Register (phFriNfc_LlcpMac_t *LlcpMac) |
| { |
| NFCSTATUS status = NFCSTATUS_SUCCESS; |
| |
| if(NULL != LlcpMac) |
| { |
| LlcpMac->LlcpMacInterface.chk = phFriNfc_LlcpMac_Nfcip_Chk; |
| LlcpMac->LlcpMacInterface.activate = phFriNfc_LlcpMac_Nfcip_Activate; |
| LlcpMac->LlcpMacInterface.deactivate = phFriNfc_LlcpMac_Nfcip_Deactivate; |
| LlcpMac->LlcpMacInterface.send = phFriNfc_LlcpMac_Nfcip_Send; |
| LlcpMac->LlcpMacInterface.receive = phFriNfc_LlcpMac_Nfcip_Receive; |
| |
| return NFCSTATUS_SUCCESS; |
| } |
| else |
| { |
| return status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_FAILED); |
| } |
| } |
