CW_NfcTransport.h

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/*
 * SPDX-License-Identifier: LGPL-3.0-or-later
 * Copyright (c) 2026 Cryptnox SA
 */

 
#ifndef CW_NFCTRANSPORT_H
#define CW_NFCTRANSPORT_H
 
/******************************************************************
 * 1. Included files
 ******************************************************************/
 
#include "platform_compat.h"
#include <stdint.h>
 
/******************************************************************
 * 2. Class declaration
 ******************************************************************/

class CW_NfcTransport {
public:
    virtual bool begin() = 0;

    virtual bool inListPassiveTarget() = 0;

    virtual bool sendAPDU(const uint8_t* apdu, uint8_t apduLen,
                          uint8_t* response, uint8_t& responseLen) = 0;

    virtual bool sendAPDULarge(const uint8_t* apdu, uint8_t apduLen,
                               uint8_t* response, uint16_t& responseLen) {
        uint8_t smallLen = static_cast<uint8_t>(
            (responseLen > static_cast<uint16_t>(UINT8_MAX))
                ? static_cast<uint16_t>(UINT8_MAX)
                : responseLen);
        bool result = sendAPDU(apdu, apduLen, response, smallLen);
        responseLen = static_cast<uint16_t>(smallLen);
        return result;
    }

    virtual void resetReader() = 0;

    virtual bool printFirmwareVersion() = 0;
 
    virtual ~CW_NfcTransport() {}
};
 
#endif // CW_NFCTRANSPORT_H