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Diffstat (limited to 'extmod/modnetwork.c')
| -rw-r--r-- | extmod/modnetwork.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/extmod/modnetwork.c b/extmod/modnetwork.c new file mode 100644 index 000000000..600f1346b --- /dev/null +++ b/extmod/modnetwork.c @@ -0,0 +1,177 @@ +/* + * 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 "shared/netutils/netutils.h" +#include "systick.h" +#include "pendsv.h" +#include "modnetwork.h" + +#if MICROPY_PY_NETWORK + +#if MICROPY_PY_LWIP +#include "lwip/netif.h" +#include "lwip/timeouts.h" +#include "lwip/dns.h" +#include "lwip/dhcp.h" +#include "lwip/apps/mdns.h" +#include "extmod/network_cyw43.h" +#include "drivers/cyw43/cyw43.h" +#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) { +} + +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_OBJ_FROM_PTR(&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; + } + + mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("no available NIC")); +} + +STATIC mp_obj_t network_route(void) { + return MP_OBJ_FROM_PTR(&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 defined(MICROPY_HW_ETH_MDC) + { MP_ROM_QSTR(MP_QSTR_LAN), MP_ROM_PTR(&network_lan_type) }, + #endif + #if MICROPY_PY_NETWORK_CYW43 + { MP_ROM_QSTR(MP_QSTR_WLAN), MP_ROM_PTR(&mp_network_cyw43_type) }, + #endif + + #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) }, + + // Constants + #if MICROPY_PY_NETWORK_CYW43 + { MP_ROM_QSTR(MP_QSTR_STA_IF), MP_ROM_INT(CYW43_ITF_STA)}, + { MP_ROM_QSTR(MP_QSTR_AP_IF), MP_ROM_INT(CYW43_ITF_AP)}, + #endif +}; + +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, +}; + +/*******************************************************************************/ +// Implementations of network methods that can be used by any interface + +#if MICROPY_PY_LWIP + +mp_obj_t mod_network_nic_ifconfig(struct netif *netif, size_t n_args, const mp_obj_t *args) { + if (n_args == 0) { + // Get IP addresses + const ip_addr_t *dns = dns_getserver(0); + mp_obj_t tuple[4] = { + netutils_format_ipv4_addr((uint8_t *)&netif->ip_addr, NETUTILS_BIG), + netutils_format_ipv4_addr((uint8_t *)&netif->netmask, NETUTILS_BIG), + netutils_format_ipv4_addr((uint8_t *)&netif->gw, NETUTILS_BIG), + netutils_format_ipv4_addr((uint8_t *)dns, NETUTILS_BIG), + }; + return mp_obj_new_tuple(4, tuple); + } else if (args[0] == MP_OBJ_NEW_QSTR(MP_QSTR_dhcp)) { + // Start the DHCP client + if (dhcp_supplied_address(netif)) { + dhcp_renew(netif); + } else { + dhcp_stop(netif); + dhcp_start(netif); + } + + // Wait for DHCP to get IP address + uint32_t start = mp_hal_ticks_ms(); + while (!dhcp_supplied_address(netif)) { + if (mp_hal_ticks_ms() - start > 10000) { + mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("timeout waiting for DHCP to get IP address")); + } + mp_hal_delay_ms(100); + } + + return mp_const_none; + } else { + // Release and stop any existing DHCP + dhcp_release(netif); + dhcp_stop(netif); + // Set static IP addresses + mp_obj_t *items; + mp_obj_get_array_fixed_n(args[0], 4, &items); + netutils_parse_ipv4_addr(items[0], (uint8_t *)&netif->ip_addr, NETUTILS_BIG); + netutils_parse_ipv4_addr(items[1], (uint8_t *)&netif->netmask, NETUTILS_BIG); + netutils_parse_ipv4_addr(items[2], (uint8_t *)&netif->gw, NETUTILS_BIG); + ip_addr_t dns; + netutils_parse_ipv4_addr(items[3], (uint8_t *)&dns, NETUTILS_BIG); + dns_setserver(0, &dns); + return mp_const_none; + } +} + +#endif + +#endif // MICROPY_PY_NETWORK |