modlwip.c

/*
 * This file is part of the Micro Python project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2013, 2014 Damien P. George
 * Copyright (c) 2015 Galen Hazelwood
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include <string.h>
#include <errno.h>
#include <stdio.h>

#include "py/nlr.h"
#include "py/objlist.h"
#include "py/runtime.h"
#include "py/stream.h"
#include "py/mphal.h"

#include "netutils.h"

#include "lwip/init.h"
#include "lwip/timers.h"
#include "lwip/tcp.h"
#include "lwip/udp.h"
//#include "lwip/raw.h"
#include "lwip/dns.h"

#ifdef MICROPY_PY_LWIP_SLIP
#include "netif/slipif.h"
#include "lwip/sio.h"
#endif

#ifdef MICROPY_PY_LWIP_SLIP
/******************************************************************************/
// Slip object for modlwip. Requires a serial driver for the port that supports
// the lwip serial callback functions.

typedef struct _lwip_slip_obj_t {
    mp_obj_base_t base;
    struct netif lwip_netif;
} lwip_slip_obj_t;

// Slip object is unique for now. Possibly can fix this later. FIXME
STATIC lwip_slip_obj_t lwip_slip_obj;

// Declare these early.
void mod_lwip_register_poll(void (*poll)(void *arg), void *poll_arg);
void mod_lwip_deregister_poll(void (*poll)(void *arg), void *poll_arg);

STATIC void slip_lwip_poll(void *netif) {
    slipif_poll((struct netif*)netif);