modnetwork.c 11.9 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
/*
 * This file is part of the Micro Python project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 Paul Sokolovsky
 *
 * 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 "py/nlr.h"
#include "py/objlist.h"
#include "py/runtime.h"
35
36
37
38
39
40
#include "netutils.h"
#include "queue.h"
#include "user_interface.h"
#include "espconn.h"
#include "spi_flash.h"
#include "utils.h"
41

42
43
#define MODNETWORK_INCLUDE_CONSTANTS (1)

44
45
46
47
48
typedef struct _wlan_if_obj_t {
    mp_obj_base_t base;
    int if_id;
} wlan_if_obj_t;

49
void error_check(bool status, const char *msg);
50
51
52
53
54
55
const mp_obj_type_t wlan_if_type;

STATIC const wlan_if_obj_t wlan_objs[] = {
    {{&wlan_if_type}, STATION_IF},
    {{&wlan_if_type}, SOFTAP_IF},
};
56

57
58
59
60
61
STATIC void require_if(mp_obj_t wlan_if, int if_no) {
    wlan_if_obj_t *self = MP_OBJ_TO_PTR(wlan_if);
    if (self->if_id != if_no) {
        error_check(false, "STA required");
    }
62
}
63
64
65
66
67
68
69
70
71

STATIC mp_obj_t get_wlan(mp_uint_t n_args, const mp_obj_t *args) {
    int idx = 0;
    if (n_args > 0) {
        idx = mp_obj_get_int(args[0]);
    }
    return MP_OBJ_FROM_PTR(&wlan_objs[idx]);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(get_wlan_obj, 0, 1, get_wlan);
72

73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
STATIC mp_obj_t esp_active(mp_uint_t n_args, const mp_obj_t *args) {
    wlan_if_obj_t *self = MP_OBJ_TO_PTR(args[0]);
    uint32_t mode = wifi_get_opmode();
    if (n_args > 1) {
        int mask = self->if_id == STATION_IF ? STATION_MODE : SOFTAP_MODE;
        if (mp_obj_get_int(args[1]) != 0) {
            mode |= mask;
        } else {
            mode &= ~mask;
        }
        error_check(wifi_set_opmode(mode), "Cannot update i/f status");
        return mp_const_none;
    }

    // Get active status
    if (self->if_id == STATION_IF) {
        return mp_obj_new_bool(mode & STATION_MODE);
    } else {
        return mp_obj_new_bool(mode & SOFTAP_MODE);
    }
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_active_obj, 1, 2, esp_active);

96
STATIC mp_obj_t esp_connect(mp_uint_t n_args, const mp_obj_t *args) {
97
    require_if(args[0], STATION_IF);
98
99
100
101
102
    struct station_config config = {{0}};
    mp_uint_t len;
    const char *p;

    p = mp_obj_str_get_data(args[1], &len);
103
104
    memcpy(config.ssid, p, len);
    p = mp_obj_str_get_data(args[2], &len);
105
106
107
108
109
110
111
    memcpy(config.password, p, len);

    error_check(wifi_station_set_config(&config), "Cannot set STA config");
    error_check(wifi_station_connect(), "Cannot connect to AP");

    return mp_const_none;
}
112
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_connect_obj, 3, 7, esp_connect);
113

114
115
STATIC mp_obj_t esp_disconnect(mp_obj_t self_in) {
    require_if(self_in, STATION_IF);
116
117
118
    error_check(wifi_station_disconnect(), "Cannot disconnect from AP");
    return mp_const_none;
}
119
STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp_disconnect_obj, esp_disconnect);
120

121
122
123
124
125
126
STATIC mp_obj_t esp_status(mp_obj_t self_in) {
    wlan_if_obj_t *self = MP_OBJ_TO_PTR(self_in);
    if (self->if_id == STATION_IF) {
        return MP_OBJ_NEW_SMALL_INT(wifi_station_get_connect_status());
    }
    return MP_OBJ_NEW_SMALL_INT(-1);
127
}
128
STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp_status_obj, esp_status);
129

130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
STATIC void esp_scan_cb(scaninfo *si, STATUS status) {
    struct bss_info *bs;
    if (si->pbss) {
        STAILQ_FOREACH(bs, si->pbss, next) {
            mp_obj_tuple_t *t = mp_obj_new_tuple(6, NULL);
            t->items[0] = mp_obj_new_bytes(bs->ssid, strlen((char*)bs->ssid));
            t->items[1] = mp_obj_new_bytes(bs->bssid, sizeof(bs->bssid));
            t->items[2] = MP_OBJ_NEW_SMALL_INT(bs->channel);
            t->items[3] = MP_OBJ_NEW_SMALL_INT(bs->rssi);
            t->items[4] = MP_OBJ_NEW_SMALL_INT(bs->authmode);
            t->items[5] = MP_OBJ_NEW_SMALL_INT(bs->is_hidden);
            call_function_1_protected(MP_STATE_PORT(scan_cb_obj), t);
        }
    }
}

146
STATIC mp_obj_t esp_scan(mp_obj_t self_in, mp_obj_t cb_in) {
147
148
149
150
151
152
153
154
    MP_STATE_PORT(scan_cb_obj) = cb_in;
    if (wifi_get_opmode() == SOFTAP_MODE) {
        nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, 
            "Scan not supported in AP mode"));
    }
    wifi_station_scan(NULL, (scan_done_cb_t)esp_scan_cb);
    return mp_const_none;
}
155
STATIC MP_DEFINE_CONST_FUN_OBJ_2(esp_scan_obj, esp_scan);
156

157
158
159
/// \method isconnected()
/// Return True if connected to an AP and an IP address has been assigned,
///     false otherwise.
160
161
162
163
164
165
166
167
168
169
STATIC mp_obj_t esp_isconnected(mp_obj_t self_in) {
    wlan_if_obj_t *self = MP_OBJ_TO_PTR(self_in);
    if (self->if_id == STATION_IF) {
        if (wifi_station_get_connect_status() == STATION_GOT_IP) {
            return mp_const_true;
        }
    } else {
        if (wifi_softap_get_station_num() > 0) {
            return mp_const_true;
        }
170
171
172
173
    }
    return mp_const_false;
}

174
STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp_isconnected_obj, esp_isconnected);
175

176
STATIC mp_obj_t esp_mac(mp_uint_t n_args, const mp_obj_t *args) {
177
    wlan_if_obj_t *self = MP_OBJ_TO_PTR(args[0]);
178
    uint8_t mac[6];
179
180
    if (n_args == 1) {
        wifi_get_macaddr(self->if_id, mac);
181
182
183
        return mp_obj_new_bytes(mac, sizeof(mac));
    } else {
        mp_buffer_info_t bufinfo;
184
        mp_get_buffer_raise(args[1], &bufinfo, MP_BUFFER_READ);
185
186
187
188
189
190

        if (bufinfo.len != 6) {
            nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError,
                "invalid buffer length"));
        }

191
        wifi_set_macaddr(self->if_id, bufinfo.buf);
192
193
194
        return mp_const_none;
    }
}
195
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_mac_obj, 1, 2, esp_mac);
196

197
198
STATIC mp_obj_t esp_ifconfig(mp_obj_t self_in) {
    wlan_if_obj_t *self = MP_OBJ_TO_PTR(self_in);
199
    struct ip_info info;
200
    wifi_get_ip_info(self->if_id, &info);
201
202
203
204
205
206
207
208
    mp_obj_t ifconfig[4] = {
            netutils_format_ipv4_addr((uint8_t*)&info.ip, NETUTILS_BIG),
            netutils_format_ipv4_addr((uint8_t*)&info.netmask, NETUTILS_BIG),
            netutils_format_ipv4_addr((uint8_t*)&info.gw, NETUTILS_BIG),
            MP_OBJ_NEW_QSTR(MP_QSTR_), // no DNS server
    };
    return mp_obj_new_tuple(4, ifconfig);
}
209
STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp_ifconfig_obj, esp_ifconfig);
210

211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
STATIC mp_obj_t esp_config(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
    if (n_args != 1 && kwargs->used != 0) {
        nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError,
            "either pos or kw args are allowed"));
    }

    wlan_if_obj_t *self = MP_OBJ_TO_PTR(args[0]);
    union {
        struct station_config sta;
        struct softap_config ap;
    } cfg;

    if (self->if_id == STATION_IF) {
        error_check(wifi_station_get_config(&cfg.sta), "can't get STA config");
    } else {
        error_check(wifi_softap_get_config(&cfg.ap), "can't get AP config");
    }

    if (kwargs->used != 0) {

        for (mp_uint_t i = 0; i < kwargs->alloc; i++) {
            if (MP_MAP_SLOT_IS_FILLED(kwargs, i)) {
                #define QS(x) (uintptr_t)MP_OBJ_NEW_QSTR(x)
                switch ((uintptr_t)kwargs->table[i].key) {
                    case QS(MP_QSTR_essid): {
                        mp_uint_t len;
                        const char *s = mp_obj_str_get_data(kwargs->table[i].value, &len);
                        len = MIN(len, sizeof(cfg.ap.ssid));
                        memcpy(cfg.ap.ssid, s, len);
                        cfg.ap.ssid_len = len;
                        break;
                    }
                    default:
                        goto unknown;
                }
                #undef QS
            }
        }

        if (self->if_id == STATION_IF) {
            error_check(wifi_station_set_config(&cfg.sta), "can't set STA config");
        } else {
            error_check(wifi_softap_set_config(&cfg.ap), "can't set AP config");
        }

        return mp_const_none;
    }

    // Get config

    if (n_args != 2) {
        nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError,
            "can query only one param"));
    }

    #define QS(x) (uintptr_t)MP_OBJ_NEW_QSTR(x)
    switch ((uintptr_t)args[1]) {
        case QS(MP_QSTR_essid):
            return mp_obj_new_str((char*)cfg.ap.ssid, cfg.ap.ssid_len, false);
    }
    #undef QS

unknown:
    nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError,
        "unknown config param"));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(esp_config_obj, 1, esp_config);

279
STATIC const mp_map_elem_t wlan_if_locals_dict_table[] = {
280
    { MP_OBJ_NEW_QSTR(MP_QSTR_active), (mp_obj_t)&esp_active_obj },
281
282
    { MP_OBJ_NEW_QSTR(MP_QSTR_connect), (mp_obj_t)&esp_connect_obj },
    { MP_OBJ_NEW_QSTR(MP_QSTR_disconnect), (mp_obj_t)&esp_disconnect_obj },
283
    { MP_OBJ_NEW_QSTR(MP_QSTR_status), (mp_obj_t)&esp_status_obj },
284
    { MP_OBJ_NEW_QSTR(MP_QSTR_scan), (mp_obj_t)&esp_scan_obj },
285
    { MP_OBJ_NEW_QSTR(MP_QSTR_isconnected), (mp_obj_t)&esp_isconnected_obj },
286
    { MP_OBJ_NEW_QSTR(MP_QSTR_mac), (mp_obj_t)&esp_mac_obj },
287
    { MP_OBJ_NEW_QSTR(MP_QSTR_config), (mp_obj_t)&esp_config_obj },
288
    { MP_OBJ_NEW_QSTR(MP_QSTR_ifconfig), (mp_obj_t)&esp_ifconfig_obj },
289
290
291
292
293
294
295
296
297
298
};

STATIC MP_DEFINE_CONST_DICT(wlan_if_locals_dict, wlan_if_locals_dict_table);

const mp_obj_type_t wlan_if_type = {
    { &mp_type_type },
    .name = MP_QSTR_WLAN,
    .locals_dict = (mp_obj_t)&wlan_if_locals_dict,
};

299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
STATIC mp_obj_t esp_wifi_mode(mp_uint_t n_args, const mp_obj_t *args) {
    if (n_args == 0) {
        return mp_obj_new_int(wifi_get_opmode());
    } else {
        wifi_set_opmode(mp_obj_get_int(args[0]));
        return mp_const_none;
    }
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_wifi_mode_obj, 0, 1, esp_wifi_mode);

STATIC mp_obj_t esp_phy_mode(mp_uint_t n_args, const mp_obj_t *args) {
    if (n_args == 0) {
        return mp_obj_new_int(wifi_get_phy_mode());
    } else {
        wifi_set_phy_mode(mp_obj_get_int(args[0]));
        return mp_const_none;
    }
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_phy_mode_obj, 0, 1, esp_phy_mode);

319
320
321
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) },
    { MP_OBJ_NEW_QSTR(MP_QSTR_WLAN), (mp_obj_t)&get_wlan_obj },
322
323
    { MP_OBJ_NEW_QSTR(MP_QSTR_wifi_mode), (mp_obj_t)&esp_wifi_mode_obj },
    { MP_OBJ_NEW_QSTR(MP_QSTR_phy_mode), (mp_obj_t)&esp_phy_mode_obj },
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338

#if MODNETWORK_INCLUDE_CONSTANTS
    { MP_OBJ_NEW_QSTR(MP_QSTR_STAT_IDLE),
        MP_OBJ_NEW_SMALL_INT(STATION_IDLE)},
    { MP_OBJ_NEW_QSTR(MP_QSTR_STAT_CONNECTING),
        MP_OBJ_NEW_SMALL_INT(STATION_CONNECTING)},
    { MP_OBJ_NEW_QSTR(MP_QSTR_STAT_WRONG_PASSWORD),
        MP_OBJ_NEW_SMALL_INT(STATION_WRONG_PASSWORD)},
    { MP_OBJ_NEW_QSTR(MP_QSTR_STAT_NO_AP_FOUND),
        MP_OBJ_NEW_SMALL_INT(STATION_NO_AP_FOUND)},
    { MP_OBJ_NEW_QSTR(MP_QSTR_STAT_CONNECT_FAIL),
        MP_OBJ_NEW_SMALL_INT(STATION_CONNECT_FAIL)},
    { MP_OBJ_NEW_QSTR(MP_QSTR_STAT_GOT_IP),
        MP_OBJ_NEW_SMALL_INT(STATION_GOT_IP)},
#endif
339
340
341
342
343
344
345
346
347
};

STATIC MP_DEFINE_CONST_DICT(mp_module_network_globals, mp_module_network_globals_table);

const mp_obj_module_t network_module = {
    .base = { &mp_type_module },
    .name = MP_QSTR_network,
    .globals = (mp_obj_dict_t*)&mp_module_network_globals,
};