6d87aa54d6
It should be up to the NIC itself to decide if the network interface is removed upon soft reset. Some NICs can keep the interface up over a soft reset, which improves usability of the network.
121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include "py/objlist.h"
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#include "py/runtime.h"
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#include "py/mphal.h"
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#include "modnetwork.h"
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#if MICROPY_PY_NETWORK
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#if MICROPY_PY_LWIP
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#include "lwip/netif.h"
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#include "lwip/timeouts.h"
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u32_t sys_now(void) {
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return mp_hal_ticks_ms();
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}
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void pyb_lwip_poll(void) {
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// Poll all the NICs for incoming data
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for (struct netif *netif = netif_list; netif != NULL; netif = netif->next) {
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if (netif->flags & NETIF_FLAG_LINK_UP) {
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mod_network_nic_type_t *nic = netif->state;
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nic->poll_callback(nic, netif);
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}
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}
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// Run the lwIP internal updates
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sys_check_timeouts();
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}
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#endif
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/// \module network - network configuration
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///
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/// This module provides network drivers and routing configuration.
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void mod_network_init(void) {
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mp_obj_list_init(&MP_STATE_PORT(mod_network_nic_list), 0);
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}
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void mod_network_deinit(void) {
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}
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void mod_network_register_nic(mp_obj_t nic) {
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for (mp_uint_t i = 0; i < MP_STATE_PORT(mod_network_nic_list).len; i++) {
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if (MP_STATE_PORT(mod_network_nic_list).items[i] == nic) {
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// nic already registered
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return;
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}
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}
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// nic not registered so add to list
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mp_obj_list_append(&MP_STATE_PORT(mod_network_nic_list), nic);
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}
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mp_obj_t mod_network_find_nic(const uint8_t *ip) {
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// find a NIC that is suited to given IP address
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for (mp_uint_t i = 0; i < MP_STATE_PORT(mod_network_nic_list).len; i++) {
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mp_obj_t nic = MP_STATE_PORT(mod_network_nic_list).items[i];
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// TODO check IP suitability here
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//mod_network_nic_type_t *nic_type = (mod_network_nic_type_t*)mp_obj_get_type(nic);
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return nic;
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}
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nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "no available NIC"));
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}
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STATIC mp_obj_t network_route(void) {
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return &MP_STATE_PORT(mod_network_nic_list);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(network_route_obj, network_route);
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STATIC const mp_rom_map_elem_t mp_module_network_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_network) },
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#if MICROPY_PY_WIZNET5K
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{ MP_ROM_QSTR(MP_QSTR_WIZNET5K), MP_ROM_PTR(&mod_network_nic_type_wiznet5k) },
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#endif
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#if MICROPY_PY_CC3K
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{ MP_ROM_QSTR(MP_QSTR_CC3K), MP_ROM_PTR(&mod_network_nic_type_cc3k) },
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#endif
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{ MP_ROM_QSTR(MP_QSTR_route), MP_ROM_PTR(&network_route_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(mp_module_network_globals, mp_module_network_globals_table);
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const mp_obj_module_t mp_module_network = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&mp_module_network_globals,
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};
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#endif // MICROPY_PY_NETWORK
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