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Diffstat (limited to 'stmhal/modnetwork.c')
| -rw-r--r-- | stmhal/modnetwork.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/stmhal/modnetwork.c b/stmhal/modnetwork.c new file mode 100644 index 000000000..a0cd24de6 --- /dev/null +++ b/stmhal/modnetwork.c @@ -0,0 +1,141 @@ +/* + * This file is part of the Micro Python 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 <errno.h> + +#include "stm32f4xx_hal.h" + +#include "mpconfig.h" +#include "nlr.h" +#include "misc.h" +#include "qstr.h" +#include "obj.h" +#include "objlist.h" +#include "runtime.h" +#include "modnetwork.h" + +mp_obj_list_t mod_network_nic_list; + +void mod_network_init(void) { + mp_obj_list_init(&mod_network_nic_list, 0); +} + +void mod_network_register_nic(mp_obj_t nic) { + for (mp_uint_t i = 0; i < mod_network_nic_list.len; i++) { + if (mod_network_nic_list.items[i] == nic) { + // nic already registered + return; + } + } + // nic not registered so add to list + mp_obj_list_append(&mod_network_nic_list, nic); +} + +STATIC mp_obj_t network_route(void) { + return &mod_network_nic_list; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(network_route_obj, network_route); + +STATIC const mp_map_elem_t mp_module_network_globals_table[] = { + { MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_network) }, + + #if MICROPY_PY_WIZNET5K + { MP_OBJ_NEW_QSTR(MP_QSTR_WIZnet5k), (mp_obj_t)&mod_network_nic_type_wiznet5k }, + #endif + #if MICROPY_PY_CC3K + { MP_OBJ_NEW_QSTR(MP_QSTR_CC3k), (mp_obj_t)&mod_network_nic_type_cc3k }, + #endif + + { MP_OBJ_NEW_QSTR(MP_QSTR_route), (mp_obj_t)&network_route_obj }, +}; + +STATIC const mp_obj_dict_t mp_module_network_globals = { + .base = {&mp_type_dict}, + .map = { + .all_keys_are_qstrs = 1, + .table_is_fixed_array = 1, + .used = MP_ARRAY_SIZE(mp_module_network_globals_table), + .alloc = MP_ARRAY_SIZE(mp_module_network_globals_table), + .table = (mp_map_elem_t*)mp_module_network_globals_table, + }, +}; + +const mp_obj_module_t mp_module_network = { + .base = { &mp_type_module }, + .name = MP_QSTR_network, + .globals = (mp_obj_dict_t*)&mp_module_network_globals, +}; + +/******************************************************************************/ +// Miscellaneous helpers + +void mod_network_parse_ipv4_addr(mp_obj_t addr_in, uint8_t *out_ip) { + const char *addr_str = mp_obj_str_get_str(addr_in); + const char *s = addr_str; + for (mp_uint_t i = 0;; i++) { + mp_uint_t val = 0; + for (; *s && *s != '.'; s++) { + val = val * 10 + *s - '0'; + } + out_ip[i] = val; + if (i == 3 && *s == '\0') { + return; + } else if (i < 3 && *s == '.') { + s++; + } else { + nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "invalid IP address")); + } + } +} + +// Takes an address of the form ('192.168.0.1', 8080), returns the port and +// puts IP in out_ip (which must take at least IPADDR_BUF_SIZE bytes). +mp_uint_t mod_network_parse_inet_addr(mp_obj_t addr_in, uint8_t *out_ip) { + mp_obj_t *addr_items; + mp_obj_get_array_fixed_n(addr_in, 2, &addr_items); + mod_network_parse_ipv4_addr(addr_items[0], out_ip); + return mp_obj_get_int(addr_items[1]); +} + +// Takes an array with a raw IPv4 address and returns something like '192.168.0.1'. +mp_obj_t mod_network_format_ipv4_addr(uint8_t *ip) { + char ip_str[16]; + mp_uint_t ip_len = snprintf(ip_str, 16, "%u.%u.%u.%u", ip[0], ip[1], ip[2], ip[3]); + return mp_obj_new_str(ip_str, ip_len, false); +} + +// Takes an array with a raw IP address, and a port, and returns a net-address +// tuple such as ('192.168.0.1', 8080). +mp_obj_t mod_network_format_inet_addr(uint8_t *ip, mp_uint_t port) { + mp_obj_t tuple[2] = { + tuple[0] = mod_network_format_ipv4_addr(ip), + tuple[1] = mp_obj_new_int(port), + }; + return mp_obj_new_tuple(2, tuple); +} |