176 lines
6.4 KiB
C
176 lines
6.4 KiB
C
/*
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* This file is part of the Micro Python 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) 2015 Paul Sokolovsky
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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 <errno.h>
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#include "py/nlr.h"
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#include "py/objlist.h"
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#include "py/runtime.h"
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#include "netutils.h"
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#include "queue.h"
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#include "user_interface.h"
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#include "espconn.h"
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#include "spi_flash.h"
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#include "utils.h"
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void error_check(bool status, const char *msg);
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extern const mp_obj_module_t network_module;
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STATIC mp_obj_t get_module() {
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return (mp_obj_t)&network_module;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(get_module_obj, get_module);
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STATIC mp_obj_t esp_connect(mp_uint_t n_args, const mp_obj_t *args) {
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struct station_config config = {{0}};
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mp_uint_t len;
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const char *p;
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p = mp_obj_str_get_data(args[0], &len);
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memcpy(config.ssid, p, len);
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p = mp_obj_str_get_data(args[1], &len);
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memcpy(config.password, p, len);
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error_check(wifi_station_set_config(&config), "Cannot set STA config");
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error_check(wifi_station_connect(), "Cannot connect to AP");
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_connect_obj, 2, 6, esp_connect);
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STATIC mp_obj_t esp_disconnect() {
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error_check(wifi_station_disconnect(), "Cannot disconnect from AP");
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp_disconnect_obj, esp_disconnect);
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#define MODNETWORK_INCLUDE_CONSTANTS (1)
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STATIC mp_obj_t esp_status() {
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return MP_OBJ_NEW_SMALL_INT(wifi_station_get_connect_status());
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp_status_obj, esp_status);
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STATIC void esp_scan_cb(scaninfo *si, STATUS status) {
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struct bss_info *bs;
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if (si->pbss) {
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STAILQ_FOREACH(bs, si->pbss, next) {
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mp_obj_tuple_t *t = mp_obj_new_tuple(6, NULL);
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t->items[0] = mp_obj_new_bytes(bs->ssid, strlen((char*)bs->ssid));
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t->items[1] = mp_obj_new_bytes(bs->bssid, sizeof(bs->bssid));
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t->items[2] = MP_OBJ_NEW_SMALL_INT(bs->channel);
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t->items[3] = MP_OBJ_NEW_SMALL_INT(bs->rssi);
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t->items[4] = MP_OBJ_NEW_SMALL_INT(bs->authmode);
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t->items[5] = MP_OBJ_NEW_SMALL_INT(bs->is_hidden);
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call_function_1_protected(MP_STATE_PORT(scan_cb_obj), t);
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}
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}
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}
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STATIC mp_obj_t esp_scan(mp_obj_t cb_in) {
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MP_STATE_PORT(scan_cb_obj) = cb_in;
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if (wifi_get_opmode() == SOFTAP_MODE) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError,
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"Scan not supported in AP mode"));
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}
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wifi_station_scan(NULL, (scan_done_cb_t)esp_scan_cb);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp_scan_obj, esp_scan);
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/// \method isconnected()
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/// Return True if connected to an AP and an IP address has been assigned,
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/// false otherwise.
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STATIC mp_obj_t esp_isconnected() {
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if (wifi_station_get_connect_status() == STATION_GOT_IP) {
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return mp_const_true;
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}
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return mp_const_false;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp_isconnected_obj, esp_isconnected);
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STATIC mp_obj_t esp_mac(mp_uint_t n_args, const mp_obj_t *args) {
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uint8_t mac[6];
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if (n_args == 0) {
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wifi_get_macaddr(STATION_IF, mac);
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return mp_obj_new_bytes(mac, sizeof(mac));
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} else {
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(args[0], &bufinfo, MP_BUFFER_READ);
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if (bufinfo.len != 6) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError,
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"invalid buffer length"));
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}
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wifi_set_macaddr(STATION_IF, bufinfo.buf);
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return mp_const_none;
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_mac_obj, 0, 1, esp_mac);
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STATIC const mp_map_elem_t mp_module_network_globals_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_network) },
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// MicroPython "network" module interface requires it to contains classes
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// to instantiate. But as we have just a static network interace,
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// use module as a "class", and just make all methods module-global
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// functions.
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{ MP_OBJ_NEW_QSTR(MP_QSTR_WLAN), (mp_obj_t)&get_module_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_connect), (mp_obj_t)&esp_connect_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_disconnect), (mp_obj_t)&esp_disconnect_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_status), (mp_obj_t)&esp_status_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_scan), (mp_obj_t)&esp_scan_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_isconnected), (mp_obj_t)&esp_isconnected_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_mac), (mp_obj_t)&esp_mac_obj },
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#if MODNETWORK_INCLUDE_CONSTANTS
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{ MP_OBJ_NEW_QSTR(MP_QSTR_STAT_IDLE),
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MP_OBJ_NEW_SMALL_INT(STATION_IDLE)},
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{ MP_OBJ_NEW_QSTR(MP_QSTR_STAT_CONNECTING),
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MP_OBJ_NEW_SMALL_INT(STATION_CONNECTING)},
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{ MP_OBJ_NEW_QSTR(MP_QSTR_STAT_WRONG_PASSWORD),
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MP_OBJ_NEW_SMALL_INT(STATION_WRONG_PASSWORD)},
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{ MP_OBJ_NEW_QSTR(MP_QSTR_STAT_NO_AP_FOUND),
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MP_OBJ_NEW_SMALL_INT(STATION_NO_AP_FOUND)},
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{ MP_OBJ_NEW_QSTR(MP_QSTR_STAT_CONNECT_FAIL),
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MP_OBJ_NEW_SMALL_INT(STATION_CONNECT_FAIL)},
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{ MP_OBJ_NEW_QSTR(MP_QSTR_STAT_GOT_IP),
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MP_OBJ_NEW_SMALL_INT(STATION_GOT_IP)},
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#endif
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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 network_module = {
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.base = { &mp_type_module },
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.name = MP_QSTR_network,
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.globals = (mp_obj_dict_t*)&mp_module_network_globals,
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};
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