mbed-os/connectivity/nfc/libraries/stack/tech/isodep/isodep_target.h

112 lines
3.4 KiB
C

/*
* 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_ */