src/phFriNfc_LlcpMac.c

   1 /*\r
   2  * Copyright (C) 2010 NXP Semiconductors\r
   3  *\r
   4  * Licensed under the Apache License, Version 2.0 (the "License");\r
   5  * you may not use this file except in compliance with the License.\r
   6  * You may obtain a copy of the License at\r
   7  *\r
   8  *      http://www.apache.org/licenses/LICENSE-2.0\r
   9  *\r
  10  * Unless required by applicable law or agreed to in writing, software\r
  11  * distributed under the License is distributed on an "AS IS" BASIS,\r
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  13  * See the License for the specific language governing permissions and\r
  14  * limitations under the License.\r
  15  */\r
  16 \r
  17 /**\r
  18  * \file  phFriNfc_LlcpMac.c\r
  19  * \brief NFC LLCP MAC Mappings For Different RF Technologies.\r
  20  *\r
  21  * Project: NFC-FRI\r
  22  *\r
  23  */\r
  24 \r
  25 \r
  26 /*include files*/\r
  27 #include <phFriNfc_LlcpMac.h>\r
  28 #include <phFriNfc_LlcpMacNfcip.h>\r
  29 #include <phLibNfcStatus.h>\r
  30 #include <phLibNfc.h>\r
  31 #include <phLibNfc_Internal.h>\r
  32 \r
  33 NFCSTATUS phFriNfc_LlcpMac_Reset (phFriNfc_LlcpMac_t                 *LlcpMac,\r
  34                                   void                               *LowerDevice,\r
  35                                   phFriNfc_LlcpMac_LinkStatus_CB_t   LinkStatus_Cb,\r
  36                                   void                               *pContext)\r
  37 {\r
  38    NFCSTATUS status = NFCSTATUS_SUCCESS;\r
  39    /* Store the Linkstatus callback function of the upper layer */\r
  40    LlcpMac->LinkStatus_Cb = LinkStatus_Cb;\r
  41 \r
  42    /* Store a pointer to the upper layer context */\r
  43    LlcpMac->LinkStatus_Context = pContext;\r
  44 \r
  45    /* Set the LinkStatus variable to the default state */\r
  46    LlcpMac->LinkState = phFriNfc_LlcpMac_eLinkDefault;\r
  47 \r
  48    /* Store a pointer to the lower layer */\r
  49    LlcpMac->LowerDevice =  LowerDevice; \r
  50 \r
  51    LlcpMac->psRemoteDevInfo         = NULL;\r
  52    LlcpMac->PeerRemoteDevType       = 0;\r
  53    LlcpMac->MacType                 = 0;\r
  54    LlcpMac->MacReceive_Cb           = NULL;\r
  55    LlcpMac->MacSend_Cb              = NULL;\r
  56    LlcpMac->psSendBuffer            = NULL;\r
  57    LlcpMac->RecvPending             = 0;\r
  58    LlcpMac->SendPending             = 0;\r
  59 \r
  60    return status;\r
  61 }\r
  62 \r
  63 NFCSTATUS phFriNfc_LlcpMac_ChkLlcp (phFriNfc_LlcpMac_t                  *LlcpMac, \r
  64                                     phHal_sRemoteDevInformation_t       *psRemoteDevInfo,\r
  65                                     phFriNfc_LlcpMac_Chk_CB_t           ChkLlcpMac_Cb,\r
  66                                     void                                *pContext)\r
  67 {\r
  68    NFCSTATUS status = NFCSTATUS_SUCCESS;\r
  69    if (NULL == LlcpMac || NULL == psRemoteDevInfo)\r
  70    {\r
  71       status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_INVALID_PARAMETER);\r
  72    }\r
  73    else\r
  74    {\r
  75       /* Store the Remote Device info received from Device Discovery  */\r
  76       LlcpMac->psRemoteDevInfo = psRemoteDevInfo;\r
  77 \r
  78       if(LlcpMac->psRemoteDevInfo->RemDevType == phHal_eNfcIP1_Initiator)\r
  79       {\r
  80          /* Set the PeerRemoteDevType variable to the Target type */\r
  81          LlcpMac->PeerRemoteDevType = phFriNfc_LlcpMac_ePeerTypeTarget;\r
  82       }\r
  83       else if(LlcpMac->psRemoteDevInfo->RemDevType == phHal_eNfcIP1_Target)\r
  84       {\r
  85          /* Set the PeerRemoteDevType variable to the Initiator type */\r
  86          LlcpMac->PeerRemoteDevType = phFriNfc_LlcpMac_ePeerTypeInitiator;\r
  87       }\r
  88 \r
  89       switch(LlcpMac->psRemoteDevInfo->RemDevType)\r
  90       {\r
  91       case phHal_eNfcIP1_Initiator:\r
  92       case phHal_eNfcIP1_Target:\r
  93          {\r
  94             /* Set the MAC mapping type detected */\r
  95             LlcpMac->MacType = phFriNfc_LlcpMac_eTypeNfcip;\r
  96 \r
  97             /* Register the lower layer to the MAC mapping component */\r
  98             status = phFriNfc_LlcpMac_Nfcip_Register (LlcpMac); \r
  99             if(status == NFCSTATUS_SUCCESS)\r
 100             {\r
 101                status  = LlcpMac->LlcpMacInterface.chk(LlcpMac,ChkLlcpMac_Cb,pContext);\r
 102             }\r
 103             else\r
 104             {\r
 105                status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_FAILED);\r
 106             }\r
 107          }break;\r
 108       default:\r
 109          {\r
 110             status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_INVALID_DEVICE);\r
 111          }break;\r
 112       }\r
 113    }\r
 114 \r
 115    return status;\r
 116 }\r
 117 \r
 118 NFCSTATUS phFriNfc_LlcpMac_Activate (phFriNfc_LlcpMac_t   *LlcpMac)\r
 119 {\r
 120    NFCSTATUS status = NFCSTATUS_SUCCESS;\r
 121 \r
 122    if(LlcpMac->LlcpMacInterface.activate == NULL)\r
 123    {  \r
 124       status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_INVALID_PARAMETER);\r
 125    }\r
 126    else\r
 127    {\r
 128       status = LlcpMac->LlcpMacInterface.activate(LlcpMac);\r
 129    }\r
 130    return status;\r
 131 }\r
 132 \r
 133 NFCSTATUS phFriNfc_LlcpMac_Deactivate (phFriNfc_LlcpMac_t   *LlcpMac)\r
 134 {\r
 135    NFCSTATUS status = NFCSTATUS_SUCCESS;\r
 136    if(LlcpMac->LlcpMacInterface.deactivate == NULL)\r
 137    {  \r
 138       status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_INVALID_PARAMETER);\r
 139    }\r
 140    else\r
 141    {\r
 142       status = LlcpMac->LlcpMacInterface.deactivate(LlcpMac);\r
 143    }\r
 144    return status;\r
 145 }\r
 146 \r
 147 NFCSTATUS phFriNfc_LlcpMac_Send (phFriNfc_LlcpMac_t               *LlcpMac, \r
 148                                  phNfc_sData_t                    *psData,\r
 149                                  phFriNfc_LlcpMac_Send_CB_t       LlcpMacSend_Cb,\r
 150                                  void                             *pContext)\r
 151 {\r
 152    NFCSTATUS status = NFCSTATUS_SUCCESS;\r
 153 \r
 154    if(NULL== LlcpMac->LlcpMacInterface.send || NULL==psData || NULL==LlcpMacSend_Cb || NULL==pContext)\r
 155    {\r
 156       status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_INVALID_PARAMETER);\r
 157    }\r
 158    else\r
 159    {\r
 160       status = LlcpMac->LlcpMacInterface.send(LlcpMac,psData,LlcpMacSend_Cb,pContext);\r
 161    }\r
 162    return status;\r
 163 }\r
 164 \r
 165 NFCSTATUS phFriNfc_LlcpMac_Receive (phFriNfc_LlcpMac_t               *LlcpMac,\r
 166                                     phNfc_sData_t                    *psData,\r
 167                                     phFriNfc_LlcpMac_Reveive_CB_t    ReceiveLlcpMac_Cb,\r
 168                                     void                             *pContext)\r
 169 {\r
 170    NFCSTATUS status = NFCSTATUS_SUCCESS;\r
 171 \r
 172    if(LlcpMac->LlcpMacInterface.receive == NULL || NULL==psData || NULL==ReceiveLlcpMac_Cb || NULL==pContext)\r
 173    {\r
 174       status = PHNFCSTVAL(CID_FRI_NFC_LLCP_MAC, NFCSTATUS_INVALID_PARAMETER);\r
 175    }\r
 176    else\r
 177    {\r
 178       status = LlcpMac->LlcpMacInterface.receive(LlcpMac,psData,ReceiveLlcpMac_Cb,pContext);\r
 179    }\r
 180    return status;\r
 181 \r
 182 }\r
 183 \r
 184 \r