erpc_usb_cdc_transport.hpp

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/*
 * Copyright 2020 NXP
 * All rights reserved.
 *
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef _EMBEDDED_RPC__USB_CDC_TRANSPORT_H_
#define _EMBEDDED_RPC__USB_CDC_TRANSPORT_H_

#include "erpc_config_internal.h"
#include <cstdio>
#if !ERPC_THREADS_IS(NONE)
#include "erpc_threading.h"
#endif

#include "erpc_framed_transport.hpp"

extern "C" {
#include "fsl_component_serial_manager.h"
}

// Classes

namespace erpc {
class UsbCdcTransport : public FramedTransport
{
public:
    UsbCdcTransport(serial_handle_t serialHandle, serial_manager_config_t *serialConfig,
                    serial_port_usb_cdc_config_t *usbCdcConfig, uint8_t *usbRingBuffer, uint32_t usbRingBufferLength);

    virtual ~UsbCdcTransport(void);

    virtual erpc_status_t init(void);

    void rx_cb(void);

    void tx_cb(void);

protected:
#if !ERPC_THREADS_IS(NONE)
    Semaphore m_rxSemaphore; 
    Semaphore m_txSemaphore; 
#endif
private:
    serial_handle_t m_serialHandle;
    serial_manager_config_t *m_serialConfig;
    serial_port_usb_cdc_config_t *m_usbCdcConfig;
    uint8_t *m_usbRingBuffer;
    uint32_t m_usbRingBufferLength;

    using FramedTransport::underlyingReceive;
    using FramedTransport::underlyingSend;

    virtual erpc_status_t underlyingReceive(uint8_t *data, uint32_t size) override;

    virtual erpc_status_t underlyingSend(const uint8_t *data, uint32_t size) override;
};

} // namespace erpc

#endif /* _EMBEDDED_RPC__USB_CDC_TRANSPORT_H_ */