mbed-os/features/nfc/stack/tech/iso7816/iso7816.h

112 lines
2.9 KiB
C

/*
* Copyright (c) 2014-2018, 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 iso7816.h
* \copyright Copyright (c) ARM Ltd 2014
* \author Donatien Garnier
*/
#ifndef ISO7816_H_
#define ISO7816_H_
#include "stack/nfc_common.h"
#include "transceiver/protocols.h"
#include "tech/isodep/isodep_target.h"
#ifdef __cplusplus
extern "C" {
#endif
struct nfc_tech_iso7816_c_apdu {
uint8_t cla;
uint8_t ins;
uint8_t p1;
uint8_t p2;
ac_buffer_t dataIn;
size_t maxRespLength;
};
struct nfc_tech_iso7816_r_apdu {
ac_buffer_t dataOut;
uint16_t sw;
};
#define ISO7816_RX_BUFFER_SIZE 256
typedef struct nfc_tech_iso7816_c_apdu nfc_tech_iso7816_c_apdu_t;
typedef struct nfc_tech_iso7816_r_apdu nfc_tech_iso7816_r_apdu_t;
typedef struct nfc_tech_iso7816 nfc_tech_iso7816_t;
typedef void (*nfc_tech_iso7816_disconnected_cb)(nfc_tech_iso7816_t *pIso7816, void *pUserData);
struct nfc_tech_iso7816_app;
typedef struct nfc_tech_iso7816_app nfc_tech_iso7816_app_t;
struct nfc_tech_iso7816 {
nfc_tech_isodep_target_t isoDepTarget;
nfc_tech_iso7816_app_t *pAppList;
nfc_tech_iso7816_app_t *pSelectedApp;
bool disconnected;
nfc_tech_iso7816_c_apdu_t cApdu;
nfc_tech_iso7816_r_apdu_t rApdu;
bool responseReady;
nfc_tech_iso7816_disconnected_cb disconnectedCb;
void *pUserData;
ac_buffer_t hist; //Historical bytes
ac_istream_t inputStream;
ac_ostream_t outputStream;
//PDU buffer (tx)
uint8_t txBuf[2];
ac_buffer_builder_t txBldr;
//Receive buffer
uint8_t rxBuf[ISO7816_RX_BUFFER_SIZE];
ac_buffer_builder_t rxBldr;
};
void nfc_tech_iso7816_init(nfc_tech_iso7816_t *pIso7816, nfc_transceiver_t *pTransceiver, nfc_tech_iso7816_disconnected_cb disconnectedCb, void *pUserData);
void nfc_tech_iso7816_add_app(nfc_tech_iso7816_t *pIso7816, nfc_tech_iso7816_app_t *pIso7816App);
void nfc_tech_iso7816_connect(nfc_tech_iso7816_t *pIso7816);
void nfc_tech_iso7816_disconnect(nfc_tech_iso7816_t *pIso7816);
nfc_err_t nfc_tech_iso7816_reply(nfc_tech_iso7816_t *pIso7816);
inline static nfc_tech_iso7816_c_apdu_t *nfc_tech_iso7816_c_apdu(nfc_tech_iso7816_t *pIso7816)
{
return &pIso7816->cApdu;
}
inline static nfc_tech_iso7816_r_apdu_t *nfc_tech_iso7816_r_apdu(nfc_tech_iso7816_t *pIso7816)
{
return &pIso7816->rApdu;
}
#ifdef __cplusplus
}
#endif
#endif /* ISO7816_H_ */