jtag/drivers/libjaylink/libjaylink/transport.c

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/*
 * This file is part of the libjaylink project.
 *
 * Copyright (C) 2014-2015 Marc Schink <jaylink-dev@marcschink.de>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include <string.h>

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "libjaylink.h"
#include "libjaylink-internal.h"

JAYLINK_PRIV int transport_open(struct jaylink_device_handle *devh)
{
    int ret;

    switch (devh->dev->iface) {
#ifdef HAVE_LIBUSB
    case JAYLINK_HIF_USB:
        ret = transport_usb_open(devh);
        break;
#endif
    case JAYLINK_HIF_TCP:
        ret = transport_tcp_open(devh);
        break;
    default:
        log_err(devh->dev->ctx, "BUG: Invalid host interface: %u.",
            devh->dev->iface);
        return JAYLINK_ERR;
    }

    return ret;
}

JAYLINK_PRIV int transport_close(struct jaylink_device_handle *devh)
{
    int ret;

    switch (devh->dev->iface) {
#ifdef HAVE_LIBUSB
    case JAYLINK_HIF_USB:
        ret = transport_usb_close(devh);
        break;
#endif
    case JAYLINK_HIF_TCP:
        ret = transport_tcp_close(devh);
        break;
    default:
        log_err(devh->dev->ctx, "BUG: Invalid host interface: %u.",
            devh->dev->iface);
        return JAYLINK_ERR;
    }

    return ret;
}

JAYLINK_PRIV int transport_start_write(struct jaylink_device_handle *devh,
        size_t length, bool has_command)
{
    int ret;

    switch (devh->dev->iface) {
#ifdef HAVE_LIBUSB
    case JAYLINK_HIF_USB:
        ret = transport_usb_start_write(devh, length, has_command);
        break;
#endif
    case JAYLINK_HIF_TCP:
        ret = transport_tcp_start_write(devh, length, has_command);
        break;
    default:
        log_err(devh->dev->ctx, "BUG: Invalid host interface: %u.",
            devh->dev->iface);
        return JAYLINK_ERR;
    }

    return ret;
}

JAYLINK_PRIV int transport_start_read(struct jaylink_device_handle *devh,
        size_t length)
{
    int ret;

    switch (devh->dev->iface) {
#ifdef HAVE_LIBUSB
    case JAYLINK_HIF_USB:
        ret = transport_usb_start_read(devh, length);
        break;
#endif
    case JAYLINK_HIF_TCP:
        ret = transport_tcp_start_read(devh, length);
        break;
    default:
        log_err(devh->dev->ctx, "BUG: Invalid host interface: %u.",
            devh->dev->iface);
        return JAYLINK_ERR;
    }

    return ret;
}

JAYLINK_PRIV int transport_start_write_read(struct jaylink_device_handle *devh,
        size_t write_length, size_t read_length, bool has_command)
{
    int ret;

    switch (devh->dev->iface) {
#ifdef HAVE_LIBUSB
    case JAYLINK_HIF_USB:
        ret = transport_usb_start_write_read(devh, write_length,
            read_length, has_command);
        break;
#endif
    case JAYLINK_HIF_TCP:
        ret = transport_tcp_start_write_read(devh, write_length,
            read_length, has_command);
        break;
    default:
        log_err(devh->dev->ctx, "BUG: Invalid host interface: %u.",
            devh->dev->iface);
        return JAYLINK_ERR;
    }

    return ret;
}

JAYLINK_PRIV int transport_write(struct jaylink_device_handle *devh,
        const uint8_t *buffer, size_t length)
{
    int ret;

    switch (devh->dev->iface) {
#ifdef HAVE_LIBUSB
    case JAYLINK_HIF_USB:
        ret = transport_usb_write(devh, buffer, length);
        break;
#endif
    case JAYLINK_HIF_TCP:
        ret = transport_tcp_write(devh, buffer, length);
        break;
    default:
        log_err(devh->dev->ctx, "BUG: Invalid host interface: %u.",
            devh->dev->iface);
        return JAYLINK_ERR;
    }

    return ret;
}

JAYLINK_PRIV int transport_read(struct jaylink_device_handle *devh,
        uint8_t *buffer, size_t length)
{
    int ret;

    switch (devh->dev->iface) {
#ifdef HAVE_LIBUSB
    case JAYLINK_HIF_USB:
        ret = transport_usb_read(devh, buffer, length);
        break;
#endif
    case JAYLINK_HIF_TCP:
        ret = transport_tcp_read(devh, buffer, length);
        break;
    default:
        log_err(devh->dev->ctx, "BUG: Invalid host interface: %u.",
            devh->dev->iface);
        return JAYLINK_ERR;
    }

    return ret;
}