129 lines
4.5 KiB
C
129 lines
4.5 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 <string.h>
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#include <stdbool.h>
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#include "py/nlr.h"
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#include "py/obj.h"
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#include "py/gc.h"
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#include "py/runtime.h"
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#include "py/pfenv.h"
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#include MICROPY_HAL_H
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#include "queue.h"
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#include "user_interface.h"
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// Singleton instance of scan callback, meaning that there can be only
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// one concurrent AP scan.
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STATIC mp_obj_t scan_cb_obj;
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static void error_check(bool status, const char *msg) {
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if (!status) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, msg));
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}
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}
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mp_obj_t call_function_1_protected(mp_obj_t fun, mp_obj_t arg) {
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nlr_buf_t nlr;
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if (nlr_push(&nlr) == 0) {
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return mp_call_function_1(fun, arg);
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} else {
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mp_obj_print_exception(printf_wrapper, NULL, (mp_obj_t)nlr.ret_val);
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return (mp_obj_t)nlr.ret_val;
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}
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}
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STATIC void esp_scan_cb(scaninfo *si, STATUS status) {
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//printf("in pyb_scan_cb: %d, si=%p, si->pbss=%p\n", status, si, si->pbss);
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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(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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scan_cb_obj = cb_in;
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wifi_set_opmode(STATION_MODE);
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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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STATIC mp_obj_t esp_connect(mp_obj_t ssid_in, mp_obj_t passwd_in) {
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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(ssid_in, &len);
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memcpy(config.ssid, p, len);
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p = mp_obj_str_get_data(passwd_in, &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_2(esp_connect_obj, 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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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 const mp_map_elem_t esp_module_globals_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_esp) },
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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_scan), (mp_obj_t)&esp_scan_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_status), (mp_obj_t)&esp_status_obj },
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};
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STATIC MP_DEFINE_CONST_DICT(esp_module_globals, esp_module_globals_table);
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const mp_obj_module_t esp_module = {
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.base = { &mp_type_module },
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.name = MP_QSTR_esp,
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.globals = (mp_obj_dict_t*)&esp_module_globals,
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};
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