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PythonExtra/ports/esp32/network_wlan.c
Damien George 53cb073571 esp32,esp8266: Change network.WLAN from a function to a type. 
When the network module was first introduced in the esp8266 port in
ee3fec3167 there was only one interface (STA)
and, to save flash, the WLAN object was aliased to the network module,
which had just static methods for WLAN operations.  This was subsequently
changed in 9e8396accb when the AP interface
was introduced, and the WLAN object became a true class.

But, network.WLAN remained a function that returned either the STA or AP
object and was never upgraded to the type itself.  This scheme was then
copied over to the esp32 port when it was first introduced.

This commit changes network.WLAN from a function to a reference to the WLAN
type.  This makes it consistent with other ports and network objects, and
allows accessing constants of network.WLAN without creating an instance.

Signed-off-by: Damien George <damien@micropython.org>
2023-05-18 14:52:28 +10:00

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* Development of the code in this file was sponsored by Microbric Pty Ltd
* and Mnemote Pty Ltd
*
* The MIT License (MIT)
*
* Copyright (c) 2016, 2017 Nick Moore @mnemote
* Copyright (c) 2017 "Eric Poulsen" <eric@zyxod.com>
*
* Based on esp8266/modnetwork.c which is Copyright (c) 2015 Paul Sokolovsky
* And the ESP IDF example code which is Public Domain / CC0
*
* 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 <string.h>
#include "py/objlist.h"
#include "py/runtime.h"
#include "py/mphal.h"
#include "extmod/modnetwork.h"
#include "modnetwork.h"
#include "esp_wifi.h"
#include "esp_log.h"
#include "mdns.h"
#if MICROPY_PY_NETWORK_WLAN
#if (WIFI_MODE_STA & WIFI_MODE_AP != WIFI_MODE_NULL || WIFI_MODE_STA | WIFI_MODE_AP != WIFI_MODE_APSTA)
#error WIFI_MODE_STA and WIFI_MODE_AP are supposed to be bitfields!
#endif
STATIC const wlan_if_obj_t wlan_sta_obj;
STATIC const wlan_if_obj_t wlan_ap_obj;
// Set to "true" if esp_wifi_start() was called
static bool wifi_started = false;
// Set to "true" if the STA interface is requested to be connected by the
// user, used for automatic reassociation.
static bool wifi_sta_connect_requested = false;
// Set to "true" if the STA interface is connected to wifi and has IP address.
static bool wifi_sta_connected = false;
// Store the current status. 0 means None here, safe to do so as first enum value is WIFI_REASON_UNSPECIFIED=1.
static uint8_t wifi_sta_disconn_reason = 0;
#if MICROPY_HW_ENABLE_MDNS_QUERIES || MICROPY_HW_ENABLE_MDNS_RESPONDER
// Whether mDNS has been initialised or not
static bool mdns_initialised = false;
#endif
static uint8_t conf_wifi_sta_reconnects = 0;
static uint8_t wifi_sta_reconnects;
// This function is called by the system-event task and so runs in a different
// thread to the main MicroPython task. It must not raise any Python exceptions.
void network_wlan_event_handler(system_event_t *event) {
switch (event->event_id) {
case SYSTEM_EVENT_STA_START:
ESP_LOGI("wifi", "STA_START");
wifi_sta_reconnects = 0;
break;
case SYSTEM_EVENT_STA_CONNECTED:
ESP_LOGI("network", "CONNECTED");
break;
case SYSTEM_EVENT_STA_GOT_IP:
ESP_LOGI("network", "GOT_IP");
wifi_sta_connected = true;
wifi_sta_disconn_reason = 0; // Success so clear error. (in case of new error will be replaced anyway)
#if MICROPY_HW_ENABLE_MDNS_QUERIES || MICROPY_HW_ENABLE_MDNS_RESPONDER
if (!mdns_initialised) {
mdns_init();
#if MICROPY_HW_ENABLE_MDNS_RESPONDER
mdns_hostname_set(mod_network_hostname);
mdns_instance_name_set(mod_network_hostname);
#endif
mdns_initialised = true;
}
#endif
break;
case SYSTEM_EVENT_STA_DISCONNECTED: {
// This is a workaround as ESP32 WiFi libs don't currently
// auto-reassociate.
system_event_sta_disconnected_t *disconn = &event->event_info.disconnected;
char *message = "";
wifi_sta_disconn_reason = disconn->reason;
switch (disconn->reason) {
case WIFI_REASON_BEACON_TIMEOUT:
// AP has dropped out; try to reconnect.
message = "\nbeacon timeout";
break;
case WIFI_REASON_NO_AP_FOUND:
// AP may not exist, or it may have momentarily dropped out; try to reconnect.
message = "\nno AP found";
break;
case WIFI_REASON_AUTH_FAIL:
// Password may be wrong, or it just failed to connect; try to reconnect.
message = "\nauthentication failed";
break;
default:
// Let other errors through and try to reconnect.
break;
}
ESP_LOGI("wifi", "STA_DISCONNECTED, reason:%d%s", disconn->reason, message);
wifi_sta_connected = false;
if (wifi_sta_connect_requested) {
wifi_mode_t mode;
if (esp_wifi_get_mode(&mode) != ESP_OK) {
break;
}
if (!(mode & WIFI_MODE_STA)) {
break;
}
if (conf_wifi_sta_reconnects) {
ESP_LOGI("wifi", "reconnect counter=%d, max=%d",
wifi_sta_reconnects, conf_wifi_sta_reconnects);
if (++wifi_sta_reconnects >= conf_wifi_sta_reconnects) {
break;
}
}
esp_err_t e = esp_wifi_connect();
if (e != ESP_OK) {
ESP_LOGI("wifi", "error attempting to reconnect: 0x%04x", e);
}
}
break;
}
default:
break;
}
}
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) {
mp_raise_msg(&mp_type_OSError, if_no == WIFI_IF_STA ? MP_ERROR_TEXT("STA required") : MP_ERROR_TEXT("AP required"));
}
}
void esp_initialise_wifi() {
static int wifi_initialized = 0;
if (!wifi_initialized) {
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_LOGD("modnetwork", "Initializing WiFi");
esp_exceptions(esp_wifi_init(&cfg));
esp_exceptions(esp_wifi_set_storage(WIFI_STORAGE_RAM));
ESP_LOGD("modnetwork", "Initialized");
wifi_initialized = 1;
}
}
STATIC mp_obj_t network_wlan_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
mp_arg_check_num(n_args, n_kw, 0, 1, false);
esp_initialise_wifi();
int idx = (n_args > 0) ? mp_obj_get_int(args[0]) : WIFI_IF_STA;
if (idx == WIFI_IF_STA) {
return MP_OBJ_FROM_PTR(&wlan_sta_obj);
} else if (idx == WIFI_IF_AP) {
return MP_OBJ_FROM_PTR(&wlan_ap_obj);
} else {
mp_raise_ValueError(MP_ERROR_TEXT("invalid WLAN interface identifier"));
}
}
STATIC mp_obj_t network_wlan_active(size_t n_args, const mp_obj_t *args) {
wlan_if_obj_t *self = MP_OBJ_TO_PTR(args[0]);
wifi_mode_t mode;
if (!wifi_started) {
mode = WIFI_MODE_NULL;
} else {
esp_exceptions(esp_wifi_get_mode(&mode));
}
int bit = (self->if_id == WIFI_IF_STA) ? WIFI_MODE_STA : WIFI_MODE_AP;
if (n_args > 1) {
bool active = mp_obj_is_true(args[1]);
mode = active ? (mode | bit) : (mode & ~bit);
if (mode == WIFI_MODE_NULL) {
if (wifi_started) {
esp_exceptions(esp_wifi_stop());
wifi_started = false;
}
} else {
esp_exceptions(esp_wifi_set_mode(mode));
if (!wifi_started) {
esp_exceptions(esp_wifi_start());
wifi_started = true;
}
}
// This delay is a band-aid patch for issues #8289, #8792 and #9236,
// allowing the esp data structures to settle. It looks like some
// kind of race condition, which is not yet found. But at least
// this small delay seems not hurt much, since wlan.active() is
// usually not called in a time critical part of the code.
mp_hal_delay_ms(1);
}
return (mode & bit) ? mp_const_true : mp_const_false;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(network_wlan_active_obj, 1, 2, network_wlan_active);
STATIC mp_obj_t network_wlan_connect(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_ssid, ARG_key, ARG_bssid };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_OBJ, {.u_obj = mp_const_none} },
{ MP_QSTR_, MP_ARG_OBJ, {.u_obj = mp_const_none} },
{ MP_QSTR_bssid, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
};
// parse args
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
wifi_config_t wifi_sta_config = {0};
// configure any parameters that are given
if (n_args > 1) {
size_t len;
const char *p;
if (args[ARG_ssid].u_obj != mp_const_none) {
p = mp_obj_str_get_data(args[ARG_ssid].u_obj, &len);
memcpy(wifi_sta_config.sta.ssid, p, MIN(len, sizeof(wifi_sta_config.sta.ssid)));
}
if (args[ARG_key].u_obj != mp_const_none) {
p = mp_obj_str_get_data(args[ARG_key].u_obj, &len);
memcpy(wifi_sta_config.sta.password, p, MIN(len, sizeof(wifi_sta_config.sta.password)));
}
if (args[ARG_bssid].u_obj != mp_const_none) {
p = mp_obj_str_get_data(args[ARG_bssid].u_obj, &len);
if (len != sizeof(wifi_sta_config.sta.bssid)) {
mp_raise_ValueError(NULL);
}
wifi_sta_config.sta.bssid_set = 1;
memcpy(wifi_sta_config.sta.bssid, p, sizeof(wifi_sta_config.sta.bssid));
}
esp_exceptions(esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_sta_config));
}
esp_exceptions(tcpip_adapter_set_hostname(TCPIP_ADAPTER_IF_STA, mod_network_hostname));
wifi_sta_reconnects = 0;
// connect to the WiFi AP
MP_THREAD_GIL_EXIT();
esp_exceptions(esp_wifi_connect());
MP_THREAD_GIL_ENTER();
wifi_sta_connect_requested = true;
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(network_wlan_connect_obj, 1, network_wlan_connect);
STATIC mp_obj_t network_wlan_disconnect(mp_obj_t self_in) {
wifi_sta_connect_requested = false;
esp_exceptions(esp_wifi_disconnect());
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(network_wlan_disconnect_obj, network_wlan_disconnect);
STATIC mp_obj_t network_wlan_status(size_t n_args, const mp_obj_t *args) {
wlan_if_obj_t *self = MP_OBJ_TO_PTR(args[0]);
if (n_args == 1) {
if (self->if_id == WIFI_IF_STA) {
// Case of no arg is only for the STA interface
if (wifi_sta_connected) {
// Happy path, connected with IP
return MP_OBJ_NEW_SMALL_INT(STAT_GOT_IP);
} else if (wifi_sta_connect_requested
&& (conf_wifi_sta_reconnects == 0
|| wifi_sta_reconnects < conf_wifi_sta_reconnects)) {
// No connection or error, but is requested = Still connecting
return MP_OBJ_NEW_SMALL_INT(STAT_CONNECTING);
} else if (wifi_sta_disconn_reason == 0) {
// No activity, No error = Idle
return MP_OBJ_NEW_SMALL_INT(STAT_IDLE);
} else {
// Simply pass the error through from ESP-identifier
return MP_OBJ_NEW_SMALL_INT(wifi_sta_disconn_reason);
}
}
return mp_const_none;
}
// one argument: return status based on query parameter
switch ((uintptr_t)args[1]) {
case (uintptr_t)MP_OBJ_NEW_QSTR(MP_QSTR_stations): {
// return list of connected stations, only if in soft-AP mode
require_if(args[0], WIFI_IF_AP);
wifi_sta_list_t station_list;
esp_exceptions(esp_wifi_ap_get_sta_list(&station_list));
wifi_sta_info_t *stations = (wifi_sta_info_t *)station_list.sta;
mp_obj_t list = mp_obj_new_list(0, NULL);
for (int i = 0; i < station_list.num; ++i) {
mp_obj_tuple_t *t = mp_obj_new_tuple(1, NULL);
t->items[0] = mp_obj_new_bytes(stations[i].mac, sizeof(stations[i].mac));
mp_obj_list_append(list, t);
}
return list;
}
case (uintptr_t)MP_OBJ_NEW_QSTR(MP_QSTR_rssi): {
// return signal of AP, only in STA mode
require_if(args[0], WIFI_IF_STA);
wifi_ap_record_t info;
esp_exceptions(esp_wifi_sta_get_ap_info(&info));
return MP_OBJ_NEW_SMALL_INT(info.rssi);
}
default:
mp_raise_ValueError(MP_ERROR_TEXT("unknown status param"));
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(network_wlan_status_obj, 1, 2, network_wlan_status);
STATIC mp_obj_t network_wlan_scan(mp_obj_t self_in) {
// check that STA mode is active
wifi_mode_t mode;
esp_exceptions(esp_wifi_get_mode(&mode));
if ((mode & WIFI_MODE_STA) == 0) {
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("STA must be active"));
}
mp_obj_t list = mp_obj_new_list(0, NULL);
wifi_scan_config_t config = { 0 };
config.show_hidden = true;
MP_THREAD_GIL_EXIT();
esp_err_t status = esp_wifi_scan_start(&config, 1);
MP_THREAD_GIL_ENTER();
if (status == 0) {
uint16_t count = 0;
esp_exceptions(esp_wifi_scan_get_ap_num(&count));
if (count == 0) {
// esp_wifi_scan_get_ap_records must be called to free internal buffers from the scan.
// But it returns an error if wifi_ap_records==NULL. So allocate at least 1 AP entry.
// esp_wifi_scan_get_ap_records will then return the actual number of APs in count.
count = 1;
}
wifi_ap_record_t *wifi_ap_records = calloc(count, sizeof(wifi_ap_record_t));
esp_exceptions(esp_wifi_scan_get_ap_records(&count, wifi_ap_records));
for (uint16_t i = 0; i < count; i++) {
mp_obj_tuple_t *t = mp_obj_new_tuple(6, NULL);
uint8_t *x = memchr(wifi_ap_records[i].ssid, 0, sizeof(wifi_ap_records[i].ssid));
int ssid_len = x ? x - wifi_ap_records[i].ssid : sizeof(wifi_ap_records[i].ssid);
t->items[0] = mp_obj_new_bytes(wifi_ap_records[i].ssid, ssid_len);
t->items[1] = mp_obj_new_bytes(wifi_ap_records[i].bssid, sizeof(wifi_ap_records[i].bssid));
t->items[2] = MP_OBJ_NEW_SMALL_INT(wifi_ap_records[i].primary);
t->items[3] = MP_OBJ_NEW_SMALL_INT(wifi_ap_records[i].rssi);
t->items[4] = MP_OBJ_NEW_SMALL_INT(wifi_ap_records[i].authmode);
t->items[5] = mp_const_false; // XXX hidden?
mp_obj_list_append(list, MP_OBJ_FROM_PTR(t));
}
free(wifi_ap_records);
}
return list;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(network_wlan_scan_obj, network_wlan_scan);
STATIC mp_obj_t network_wlan_isconnected(mp_obj_t self_in) {
wlan_if_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (self->if_id == WIFI_IF_STA) {
return mp_obj_new_bool(wifi_sta_connected);
} else {
wifi_sta_list_t sta;
esp_wifi_ap_get_sta_list(&sta);
return mp_obj_new_bool(sta.num != 0);
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(network_wlan_isconnected_obj, network_wlan_isconnected);
STATIC mp_obj_t network_wlan_config(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
if (n_args != 1 && kwargs->used != 0) {
mp_raise_TypeError(MP_ERROR_TEXT("either pos or kw args are allowed"));
}
wlan_if_obj_t *self = MP_OBJ_TO_PTR(args[0]);
bool is_wifi = self->if_id == WIFI_IF_AP || self->if_id == WIFI_IF_STA;
wifi_config_t cfg;
if (is_wifi) {
esp_exceptions(esp_wifi_get_config(self->if_id, &cfg));
}
if (kwargs->used != 0) {
if (!is_wifi) {
goto unknown;
}
for (size_t i = 0; i < kwargs->alloc; i++) {
if (mp_map_slot_is_filled(kwargs, i)) {
int req_if = -1;
switch (mp_obj_str_get_qstr(kwargs->table[i].key)) {
case MP_QSTR_mac: {
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(kwargs->table[i].value, &bufinfo, MP_BUFFER_READ);
if (bufinfo.len != 6) {
mp_raise_ValueError(MP_ERROR_TEXT("invalid buffer length"));
}
esp_exceptions(esp_wifi_set_mac(self->if_id, bufinfo.buf));
break;
}
case MP_QSTR_ssid:
case MP_QSTR_essid: {
req_if = WIFI_IF_AP;
size_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;
}
case MP_QSTR_hidden: {
req_if = WIFI_IF_AP;
cfg.ap.ssid_hidden = mp_obj_is_true(kwargs->table[i].value);
break;
}
case MP_QSTR_security:
case MP_QSTR_authmode: {
req_if = WIFI_IF_AP;
cfg.ap.authmode = mp_obj_get_int(kwargs->table[i].value);
break;
}
case MP_QSTR_key:
case MP_QSTR_password: {
req_if = WIFI_IF_AP;
size_t len;
const char *s = mp_obj_str_get_data(kwargs->table[i].value, &len);
len = MIN(len, sizeof(cfg.ap.password) - 1);
memcpy(cfg.ap.password, s, len);
cfg.ap.password[len] = 0;
break;
}
case MP_QSTR_channel: {
uint8_t primary;
wifi_second_chan_t secondary;
// Get the current value of secondary
esp_exceptions(esp_wifi_get_channel(&primary, &secondary));
primary = mp_obj_get_int(kwargs->table[i].value);
esp_err_t err = esp_wifi_set_channel(primary, secondary);
if (err == ESP_ERR_INVALID_ARG) {
// May need to swap secondary channel above to below or below to above
secondary = (
(secondary == WIFI_SECOND_CHAN_ABOVE)
? WIFI_SECOND_CHAN_BELOW
: (secondary == WIFI_SECOND_CHAN_BELOW)
? WIFI_SECOND_CHAN_ABOVE
: WIFI_SECOND_CHAN_NONE);
esp_exceptions(esp_wifi_set_channel(primary, secondary));
}
break;
}
case MP_QSTR_hostname:
case MP_QSTR_dhcp_hostname: {
// TODO: Deprecated. Use network.hostname(name) instead.
size_t len;
const char *str = mp_obj_str_get_data(kwargs->table[i].value, &len);
if (len >= MICROPY_PY_NETWORK_HOSTNAME_MAX_LEN) {
mp_raise_ValueError(NULL);
}
strcpy(mod_network_hostname, str);
break;
}
case MP_QSTR_max_clients: {
req_if = WIFI_IF_AP;
cfg.ap.max_connection = mp_obj_get_int(kwargs->table[i].value);
break;
}
case MP_QSTR_reconnects: {
int reconnects = mp_obj_get_int(kwargs->table[i].value);
req_if = WIFI_IF_STA;
// parameter reconnects == -1 means to retry forever.
// here means conf_wifi_sta_reconnects == 0 to retry forever.
conf_wifi_sta_reconnects = (reconnects == -1) ? 0 : reconnects + 1;
break;
}
case MP_QSTR_txpower: {
int8_t power = (mp_obj_get_float(kwargs->table[i].value) * 4);
esp_exceptions(esp_wifi_set_max_tx_power(power));
break;
}
case MP_QSTR_protocol: {
esp_exceptions(esp_wifi_set_protocol(self->if_id, mp_obj_get_int(kwargs->table[i].value)));
break;
}
case MP_QSTR_pm: {
esp_exceptions(esp_wifi_set_ps(mp_obj_get_int(kwargs->table[i].value)));
break;
}
default:
goto unknown;
}
// We post-check interface requirements to save on code size
if (req_if >= 0) {
require_if(args[0], req_if);
}
}
}
esp_exceptions(esp_wifi_set_config(self->if_id, &cfg));
return mp_const_none;
}
// Get config
if (n_args != 2) {
mp_raise_TypeError(MP_ERROR_TEXT("can query only one param"));
}
int req_if = -1;
mp_obj_t val = mp_const_none;
switch (mp_obj_str_get_qstr(args[1])) {
case MP_QSTR_mac: {
uint8_t mac[6];
switch (self->if_id) {
case WIFI_IF_AP: // fallthrough intentional
case WIFI_IF_STA:
esp_exceptions(esp_wifi_get_mac(self->if_id, mac));
return mp_obj_new_bytes(mac, sizeof(mac));
default:
goto unknown;
}
}
case MP_QSTR_ssid:
case MP_QSTR_essid:
switch (self->if_id) {
case WIFI_IF_STA:
val = mp_obj_new_str((char *)cfg.sta.ssid, strlen((char *)cfg.sta.ssid));
break;
case WIFI_IF_AP:
val = mp_obj_new_str((char *)cfg.ap.ssid, cfg.ap.ssid_len);
break;
default:
req_if = WIFI_IF_AP;
}
break;
case MP_QSTR_hidden:
req_if = WIFI_IF_AP;
val = mp_obj_new_bool(cfg.ap.ssid_hidden);
break;
case MP_QSTR_security:
case MP_QSTR_authmode:
req_if = WIFI_IF_AP;
val = MP_OBJ_NEW_SMALL_INT(cfg.ap.authmode);
break;
case MP_QSTR_channel: {
uint8_t channel;
wifi_second_chan_t second;
esp_exceptions(esp_wifi_get_channel(&channel, &second));
val = MP_OBJ_NEW_SMALL_INT(channel);
break;
}
case MP_QSTR_hostname:
case MP_QSTR_dhcp_hostname: {
// TODO: Deprecated. Use network.hostname() instead.
req_if = WIFI_IF_STA;
val = mp_obj_new_str(mod_network_hostname, strlen(mod_network_hostname));
break;
}
case MP_QSTR_max_clients: {
val = MP_OBJ_NEW_SMALL_INT(cfg.ap.max_connection);
break;
}
case MP_QSTR_reconnects:
req_if = WIFI_IF_STA;
int rec = conf_wifi_sta_reconnects - 1;
val = MP_OBJ_NEW_SMALL_INT(rec);
break;
case MP_QSTR_txpower: {
int8_t power;
esp_exceptions(esp_wifi_get_max_tx_power(&power));
val = mp_obj_new_float(power * 0.25);
break;
}
case MP_QSTR_protocol: {
uint8_t protocol_bitmap;
esp_exceptions(esp_wifi_get_protocol(self->if_id, &protocol_bitmap));
val = MP_OBJ_NEW_SMALL_INT(protocol_bitmap);
break;
}
case MP_QSTR_pm: {
wifi_ps_type_t ps_type;
esp_exceptions(esp_wifi_get_ps(&ps_type));
val = MP_OBJ_NEW_SMALL_INT(ps_type);
break;
}
default:
goto unknown;
}
// We post-check interface requirements to save on code size
if (req_if >= 0) {
require_if(args[0], req_if);
}
return val;
unknown:
mp_raise_ValueError(MP_ERROR_TEXT("unknown config param"));
}
MP_DEFINE_CONST_FUN_OBJ_KW(network_wlan_config_obj, 1, network_wlan_config);
STATIC const mp_rom_map_elem_t wlan_if_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_active), MP_ROM_PTR(&network_wlan_active_obj) },
{ MP_ROM_QSTR(MP_QSTR_connect), MP_ROM_PTR(&network_wlan_connect_obj) },
{ MP_ROM_QSTR(MP_QSTR_disconnect), MP_ROM_PTR(&network_wlan_disconnect_obj) },
{ MP_ROM_QSTR(MP_QSTR_status), MP_ROM_PTR(&network_wlan_status_obj) },
{ MP_ROM_QSTR(MP_QSTR_scan), MP_ROM_PTR(&network_wlan_scan_obj) },
{ MP_ROM_QSTR(MP_QSTR_isconnected), MP_ROM_PTR(&network_wlan_isconnected_obj) },
{ MP_ROM_QSTR(MP_QSTR_config), MP_ROM_PTR(&network_wlan_config_obj) },
{ MP_ROM_QSTR(MP_QSTR_ifconfig), MP_ROM_PTR(&esp_network_ifconfig_obj) },
// Constants
{ MP_ROM_QSTR(MP_QSTR_PM_NONE), MP_ROM_INT(WIFI_PS_NONE) },
{ MP_ROM_QSTR(MP_QSTR_PM_PERFORMANCE), MP_ROM_INT(WIFI_PS_MIN_MODEM) },
{ MP_ROM_QSTR(MP_QSTR_PM_POWERSAVE), MP_ROM_INT(WIFI_PS_MAX_MODEM) },
};
STATIC MP_DEFINE_CONST_DICT(wlan_if_locals_dict, wlan_if_locals_dict_table);
MP_DEFINE_CONST_OBJ_TYPE(
esp_network_wlan_type,
MP_QSTR_WLAN,
MP_TYPE_FLAG_NONE,
make_new, network_wlan_make_new,
locals_dict, &wlan_if_locals_dict
);
STATIC const wlan_if_obj_t wlan_sta_obj = {{&esp_network_wlan_type}, WIFI_IF_STA};
STATIC const wlan_if_obj_t wlan_ap_obj = {{&esp_network_wlan_type}, WIFI_IF_AP};
#endif // MICROPY_PY_NETWORK_WLAN
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