micropython/ports/stm32/modnetwork.c

127 lines
4.0 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2014 Damien P. George
*
* 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 <stdio.h>
#include <stdint.h>
#include <string.h>
#include "py/objlist.h"
#include "py/runtime.h"
#include "py/mphal.h"
#include "modnetwork.h"
#if MICROPY_PY_NETWORK
#if MICROPY_PY_LWIP
#include "lwip/netif.h"
#include "lwip/timeouts.h"
u32_t sys_now(void) {
return mp_hal_ticks_ms();
}
void pyb_lwip_poll(void) {
// Poll all the NICs for incoming data
for (struct netif *netif = netif_list; netif != NULL; netif = netif->next) {
if (netif->flags & NETIF_FLAG_LINK_UP) {
mod_network_nic_type_t *nic = netif->state;
nic->poll_callback(nic, netif);
}
}
// Run the lwIP internal updates
sys_check_timeouts();
}
#endif
/// \module network - network configuration
///
/// This module provides network drivers and routing configuration.
void mod_network_init(void) {
mp_obj_list_init(&MP_STATE_PORT(mod_network_nic_list), 0);
}
void mod_network_deinit(void) {
#if MICROPY_PY_LWIP
for (struct netif *netif = netif_list; netif != NULL; netif = netif->next) {
netif_remove(netif);
}
// TODO there may be some timeouts that are still pending...
#endif
}
void mod_network_register_nic(mp_obj_t nic) {
for (mp_uint_t i = 0; i < MP_STATE_PORT(mod_network_nic_list).len; i++) {
if (MP_STATE_PORT(mod_network_nic_list).items[i] == nic) {
// nic already registered
return;
}
}
// nic not registered so add to list
mp_obj_list_append(&MP_STATE_PORT(mod_network_nic_list), nic);
}
mp_obj_t mod_network_find_nic(const uint8_t *ip) {
// find a NIC that is suited to given IP address
for (mp_uint_t i = 0; i < MP_STATE_PORT(mod_network_nic_list).len; i++) {
mp_obj_t nic = MP_STATE_PORT(mod_network_nic_list).items[i];
// TODO check IP suitability here
//mod_network_nic_type_t *nic_type = (mod_network_nic_type_t*)mp_obj_get_type(nic);
return nic;
}
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "no available NIC"));
}
STATIC mp_obj_t network_route(void) {
return &MP_STATE_PORT(mod_network_nic_list);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(network_route_obj, network_route);
STATIC const mp_rom_map_elem_t mp_module_network_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_network) },
#if MICROPY_PY_WIZNET5K
{ MP_ROM_QSTR(MP_QSTR_WIZNET5K), MP_ROM_PTR(&mod_network_nic_type_wiznet5k) },
#endif
#if MICROPY_PY_CC3K
{ MP_ROM_QSTR(MP_QSTR_CC3K), MP_ROM_PTR(&mod_network_nic_type_cc3k) },
#endif
{ MP_ROM_QSTR(MP_QSTR_route), MP_ROM_PTR(&network_route_obj) },
};
STATIC MP_DEFINE_CONST_DICT(mp_module_network_globals, mp_module_network_globals_table);
const mp_obj_module_t mp_module_network = {
.base = { &mp_type_module },
.globals = (mp_obj_dict_t*)&mp_module_network_globals,
};
#endif // MICROPY_PY_NETWORK