Mbed OS Reference | isodep_target.h Source File

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 /*
  * Copyright (c) 2015-2018, ARM Limited, All Rights Reserved
  * SPDX-License-Identifier: Apache-2.0
  *
  * 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 isodep_target.h
  * \copyright Copyright (c) ARM Ltd 2015
  * \author Donatien Garnier
  */
 
 #ifndef ISODEP_TARGET_H_
 #define ISODEP_TARGET_H_
 
 #include "stack/nfc_common.h"
 #include "transceiver/transceiver.h"
 #include "isodep.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 struct nfc_tech_isodep_target;
 typedef struct nfc_tech_isodep_target nfc_tech_isodep_target_t;
 struct nfc_tech_isodep_target {
     nfc_transceiver_t *pTransceiver;
 
     struct {
         ac_ostream_t *pReqStream;
         ac_istream_t *pResStream;
 
         nfc_tech_isodep_cb_t reqCb;
         void *pReqUserData;
 
         nfc_tech_isodep_cb_t resCb;
         void *pResUserData;
 
         ac_buffer_t res;
         bool chaining;
 
         uint8_t blockNumber;
 
         enum {
             ISO_DEP_TARGET_DEP_FRAME_IDLE,
             ISO_DEP_TARGET_DEP_FRAME_WTX_RECEIVED,
             ISO_DEP_TARGET_DEP_FRAME_WTX_SENT,
             ISO_DEP_TARGET_DEP_FRAME_INFORMATION_RECEIVED,
             ISO_DEP_TARGET_DEP_FRAME_INFORMATION_SENT,
             ISO_DEP_TARGET_DEP_FRAME_NACK_RECEIVED,
             ISO_DEP_TARGET_DEP_FRAME_NACK_DIFF_BLOCK_NUMBER_RECEIVED,
             ISO_DEP_TARGET_DEP_FRAME_NACK_SENT,
             ISO_DEP_TARGET_DEP_FRAME_ACK_RECEIVED,
             ISO_DEP_TARGET_DEP_FRAME_ACK_SENT,
             ISO_DEP_TARGET_DEP_FRAME_DESELECT_RECEIVED,
             ISO_DEP_TARGET_DEP_FRAME_DESELECT_SENT,
         } frameState;
     } dep;
     struct {
         enum {
             ISO_DEP_TARGET_COMMANDS_DISCONNECTED,
 
             ISO_DEP_TARGET_COMMANDS_CONNECTING,
 
             ISO_DEP_TARGET_COMMANDS_ATS_REQ_RECVD,
             ISO_DEP_TARGET_COMMANDS_ATS_RES_SENT,
 
             ISO_DEP_TARGET_COMMANDS_DEP_REQ_RECVD,
             ISO_DEP_TARGET_COMMANDS_DEP_RES_SENT,
         } state;
 
         size_t inPayloadSize;
 
         ac_buffer_builder_t respBldr;
         uint8_t respBuf[32];
 
         ac_buffer_t *pReq;
     } commands;
 
     ac_buffer_t *pHist;
 
     nfc_tech_isodep_disconnected_cb disconnectedCb;
     void *pUserData;
 };
 
 //High-level Target functions
 void nfc_tech_isodep_target_init(nfc_tech_isodep_target_t *pIsodepTarget, nfc_transceiver_t *pTransceiver,
                                  ac_buffer_t *pHist, nfc_tech_isodep_disconnected_cb disconnectedCb, void *pUserData);
 
 nfc_err_t nfc_tech_isodep_target_connect(nfc_tech_isodep_target_t *pIsodepTarget);
 void nfc_tech_isodep_target_disconnect(nfc_tech_isodep_target_t *pIsodepTarget);
 
 nfc_err_t nfc_tech_isodep_target_transmit(nfc_tech_isodep_target_t *pIsodepTarget, ac_istream_t *pStream, nfc_tech_isodep_cb_t cb, void *pUserData);
 nfc_err_t nfc_tech_isodep_target_receive(nfc_tech_isodep_target_t *pIsodepTarget, ac_ostream_t *pStream, nfc_tech_isodep_cb_t cb, void *pUserData);
 
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif /* ISODEP_TARGET_H_ */
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