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micropython/ports/esp32/modnetwork.c

809 wiersze
32 KiB
C
Czysty Wina Historia

/*
* 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 <stdio.h>
#include <stdint.h>
#include <string.h>
#include "py/nlr.h"
#include "py/objlist.h"
#include "py/runtime.h"
#include "py/mphal.h"
#include "py/mperrno.h"
#include "netutils.h"
#include "esp_eth.h"
#include "esp_wifi.h"
#include "esp_log.h"
#include "lwip/dns.h"
#include "tcpip_adapter.h"
#include "mdns.h"
#if !MICROPY_ESP_IDF_4
#include "esp_wifi_types.h"
#include "esp_event_loop.h"
#endif
#include "modnetwork.h"
#define MODNETWORK_INCLUDE_CONSTANTS (1)
NORETURN void _esp_exceptions(esp_err_t e) {
switch (e) {
case ESP_ERR_WIFI_NOT_INIT:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi Not Initialized"));
case ESP_ERR_WIFI_NOT_STARTED:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi Not Started"));
case ESP_ERR_WIFI_NOT_STOPPED:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi Not Stopped"));
case ESP_ERR_WIFI_IF:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi Invalid Interface"));
case ESP_ERR_WIFI_MODE:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi Invalid Mode"));
case ESP_ERR_WIFI_STATE:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi Internal State Error"));
case ESP_ERR_WIFI_CONN:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi Internal Error"));
case ESP_ERR_WIFI_NVS:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi Internal NVS Error"));
case ESP_ERR_WIFI_MAC:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi Invalid MAC Address"));
case ESP_ERR_WIFI_SSID:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi SSID Invalid"));
case ESP_ERR_WIFI_PASSWORD:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi Invalid Password"));
case ESP_ERR_WIFI_TIMEOUT:
mp_raise_OSError(MP_ETIMEDOUT);
case ESP_ERR_WIFI_WAKE_FAIL:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi Wakeup Failure"));
case ESP_ERR_WIFI_WOULD_BLOCK:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi Would Block"));
case ESP_ERR_WIFI_NOT_CONNECT:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Wifi Not Connected"));
case ESP_ERR_TCPIP_ADAPTER_INVALID_PARAMS:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("TCP/IP Invalid Parameters"));
case ESP_ERR_TCPIP_ADAPTER_IF_NOT_READY:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("TCP/IP IF Not Ready"));
case ESP_ERR_TCPIP_ADAPTER_DHCPC_START_FAILED:
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("TCP/IP DHCP Client Start Failed"));
case ESP_ERR_TCPIP_ADAPTER_NO_MEM:
mp_raise_OSError(MP_ENOMEM);
default:
mp_raise_msg_varg(&mp_type_RuntimeError, MP_ERROR_TEXT("Wifi Unknown Error 0x%04x"), e);
}
}
static inline void esp_exceptions(esp_err_t e) {
if (e != ESP_OK) {
_esp_exceptions(e);
}
}
#define ESP_EXCEPTIONS(x) do { esp_exceptions(x); } while (0);
typedef struct _wlan_if_obj_t {
mp_obj_base_t base;
int if_id;
} wlan_if_obj_t;
const mp_obj_type_t wlan_if_type;
STATIC const wlan_if_obj_t wlan_sta_obj = {{&wlan_if_type}, WIFI_IF_STA};
STATIC const wlan_if_obj_t wlan_ap_obj = {{&wlan_if_type}, WIFI_IF_AP};
// 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
// 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.
static esp_err_t event_handler(void *ctx, system_event_t *event) {
switch (event->event_id) {
case SYSTEM_EVENT_STA_START:
ESP_LOGI("wifi", "STA_START");
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
const char *hostname = NULL;
if (tcpip_adapter_get_hostname(WIFI_IF_STA, &hostname) != ESP_OK || hostname == NULL) {
hostname = "esp32";
}
mdns_hostname_set(hostname);
mdns_instance_name_set(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) {
if (mode & WIFI_MODE_STA) {
// STA is active so attempt to reconnect.
esp_err_t e = esp_wifi_connect();
if (e != ESP_OK) {
ESP_LOGI("wifi", "error attempting to reconnect: 0x%04x", e);
}
}
}
}
break;
}
case SYSTEM_EVENT_GOT_IP6:
ESP_LOGI("network", "Got IPv6");
break;
case SYSTEM_EVENT_ETH_START:
ESP_LOGI("ethernet", "start");
break;
case SYSTEM_EVENT_ETH_STOP:
ESP_LOGI("ethernet", "stop");
break;
case SYSTEM_EVENT_ETH_CONNECTED:
ESP_LOGI("ethernet", "LAN cable connected");
break;
case SYSTEM_EVENT_ETH_DISCONNECTED:
ESP_LOGI("ethernet", "LAN cable disconnected");
break;
case SYSTEM_EVENT_ETH_GOT_IP:
ESP_LOGI("ethernet", "Got IP");
break;
default:
ESP_LOGI("network", "event %d", event->event_id);
break;
}
return ESP_OK;
}
/*void error_check(bool status, const char *msg) {
if (!status) {
mp_raise_msg(&mp_type_OSError, msg);
}
}
*/
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"));
}
}
STATIC mp_obj_t get_wlan(size_t n_args, const mp_obj_t *args) {
static int initialized = 0;
if (!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");
initialized = 1;
}
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_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(get_wlan_obj, 0, 1, get_wlan);
STATIC mp_obj_t esp_initialize() {
static int initialized = 0;
if (!initialized) {
ESP_LOGD("modnetwork", "Initializing TCP/IP");
tcpip_adapter_init();
ESP_LOGD("modnetwork", "Initializing Event Loop");
ESP_EXCEPTIONS(esp_event_loop_init(event_handler, NULL));
ESP_LOGD("modnetwork", "esp_event_loop_init done");
initialized = 1;
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp_initialize_obj, esp_initialize);
#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 mp_obj_t esp_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;
}
}
}
return (mode & bit) ? mp_const_true : mp_const_false;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_active_obj, 1, 2, esp_active);
STATIC mp_obj_t esp_connect(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_ssid, ARG_password, 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_password].u_obj != mp_const_none) {
p = mp_obj_str_get_data(args[ARG_password].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));
}
// 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(esp_connect_obj, 1, esp_connect);
STATIC mp_obj_t esp_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(esp_disconnect_obj, esp_disconnect);
// Cases similar to ESP8266 user_interface.h
// Error cases are referenced from wifi_err_reason_t in ESP-IDF
enum {
STAT_IDLE = 1000,
STAT_CONNECTING = 1001,
STAT_GOT_IP = 1010,
};
STATIC mp_obj_t esp_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) {
// 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(esp_status_obj, 1, 2, esp_status);
STATIC mp_obj_t esp_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 };
// XXX how do we scan hidden APs (and if we can scan them, are they really hidden?)
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));
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(esp_scan_obj, esp_scan);
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 == 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(esp_isconnected_obj, esp_isconnected);
STATIC mp_obj_t esp_ifconfig(size_t n_args, const mp_obj_t *args) {
wlan_if_obj_t *self = MP_OBJ_TO_PTR(args[0]);
tcpip_adapter_ip_info_t info;
tcpip_adapter_dns_info_t dns_info;
tcpip_adapter_get_ip_info(self->if_id, &info);
tcpip_adapter_get_dns_info(self->if_id, TCPIP_ADAPTER_DNS_MAIN, &dns_info);
if (n_args == 1) {
// get
mp_obj_t tuple[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),
netutils_format_ipv4_addr((uint8_t *)&dns_info.ip, NETUTILS_BIG),
};
return mp_obj_new_tuple(4, tuple);
} else {
// set
if (mp_obj_is_type(args[1], &mp_type_tuple) || mp_obj_is_type(args[1], &mp_type_list)) {
mp_obj_t *items;
mp_obj_get_array_fixed_n(args[1], 4, &items);
netutils_parse_ipv4_addr(items[0], (void *)&info.ip, NETUTILS_BIG);
if (mp_obj_is_integer(items[1])) {
// allow numeric netmask, i.e.:
// 24 -> 255.255.255.0
// 16 -> 255.255.0.0
// etc...
uint32_t *m = (uint32_t *)&info.netmask;
*m = htonl(0xffffffff << (32 - mp_obj_get_int(items[1])));
} else {
netutils_parse_ipv4_addr(items[1], (void *)&info.netmask, NETUTILS_BIG);
}
netutils_parse_ipv4_addr(items[2], (void *)&info.gw, NETUTILS_BIG);
netutils_parse_ipv4_addr(items[3], (void *)&dns_info.ip, NETUTILS_BIG);
// To set a static IP we have to disable DHCP first
if (self->if_id == WIFI_IF_STA || self->if_id == ESP_IF_ETH) {
esp_err_t e = tcpip_adapter_dhcpc_stop(self->if_id);
if (e != ESP_OK && e != ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPPED) {
_esp_exceptions(e);
}
ESP_EXCEPTIONS(tcpip_adapter_set_ip_info(self->if_id, &info));
ESP_EXCEPTIONS(tcpip_adapter_set_dns_info(self->if_id, TCPIP_ADAPTER_DNS_MAIN, &dns_info));
} else if (self->if_id == WIFI_IF_AP) {
esp_err_t e = tcpip_adapter_dhcps_stop(WIFI_IF_AP);
if (e != ESP_OK && e != ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPPED) {
_esp_exceptions(e);
}
ESP_EXCEPTIONS(tcpip_adapter_set_ip_info(WIFI_IF_AP, &info));
ESP_EXCEPTIONS(tcpip_adapter_set_dns_info(WIFI_IF_AP, TCPIP_ADAPTER_DNS_MAIN, &dns_info));
ESP_EXCEPTIONS(tcpip_adapter_dhcps_start(WIFI_IF_AP));
}
} else {
// check for the correct string
const char *mode = mp_obj_str_get_str(args[1]);
if ((self->if_id != WIFI_IF_STA && self->if_id != ESP_IF_ETH) || strcmp("dhcp", mode)) {
mp_raise_ValueError(MP_ERROR_TEXT("invalid arguments"));
}
ESP_EXCEPTIONS(tcpip_adapter_dhcpc_start(self->if_id));
}
return mp_const_none;
}
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_ifconfig_obj, 1, 2, esp_ifconfig);
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) {
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));
}
#define QS(x) (uintptr_t)MP_OBJ_NEW_QSTR(x)
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 ((uintptr_t)kwargs->table[i].key) {
case QS(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 QS(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 QS(MP_QSTR_hidden): {
req_if = WIFI_IF_AP;
cfg.ap.ssid_hidden = mp_obj_is_true(kwargs->table[i].value);
break;
}
case QS(MP_QSTR_authmode): {
req_if = WIFI_IF_AP;
cfg.ap.authmode = mp_obj_get_int(kwargs->table[i].value);
break;
}
case QS(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 QS(MP_QSTR_channel): {
req_if = WIFI_IF_AP;
cfg.ap.channel = mp_obj_get_int(kwargs->table[i].value);
break;
}
case QS(MP_QSTR_dhcp_hostname): {
const char *s = mp_obj_str_get_str(kwargs->table[i].value);
ESP_EXCEPTIONS(tcpip_adapter_set_hostname(self->if_id, s));
break;
}
case QS(MP_QSTR_max_clients): {
req_if = WIFI_IF_AP;
cfg.ap.max_connection = 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 ((uintptr_t)args[1]) {
case QS(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));
#if !MICROPY_ESP_IDF_4
case ESP_IF_ETH:
esp_eth_get_mac(mac);
return mp_obj_new_bytes(mac, sizeof(mac));
#endif
default:
goto unknown;
}
}
case QS(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 QS(MP_QSTR_hidden):
req_if = WIFI_IF_AP;
val = mp_obj_new_bool(cfg.ap.ssid_hidden);
break;
case QS(MP_QSTR_authmode):
req_if = WIFI_IF_AP;
val = MP_OBJ_NEW_SMALL_INT(cfg.ap.authmode);
break;
case QS(MP_QSTR_channel):
req_if = WIFI_IF_AP;
val = MP_OBJ_NEW_SMALL_INT(cfg.ap.channel);
break;
case QS(MP_QSTR_dhcp_hostname): {
const char *s;
ESP_EXCEPTIONS(tcpip_adapter_get_hostname(self->if_id, &s));
val = mp_obj_new_str(s, strlen(s));
break;
}
case QS(MP_QSTR_max_clients): {
val = MP_OBJ_NEW_SMALL_INT(cfg.ap.max_connection);
break;
}
default:
goto unknown;
}
#undef QS
// 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(esp_config_obj, 1, esp_config);
STATIC const mp_rom_map_elem_t wlan_if_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_active), MP_ROM_PTR(&esp_active_obj) },
{ MP_ROM_QSTR(MP_QSTR_connect), MP_ROM_PTR(&esp_connect_obj) },
{ MP_ROM_QSTR(MP_QSTR_disconnect), MP_ROM_PTR(&esp_disconnect_obj) },
{ MP_ROM_QSTR(MP_QSTR_status), MP_ROM_PTR(&esp_status_obj) },
{ MP_ROM_QSTR(MP_QSTR_scan), MP_ROM_PTR(&esp_scan_obj) },
{ MP_ROM_QSTR(MP_QSTR_isconnected), MP_ROM_PTR(&esp_isconnected_obj) },
{ MP_ROM_QSTR(MP_QSTR_config), MP_ROM_PTR(&esp_config_obj) },
{ MP_ROM_QSTR(MP_QSTR_ifconfig), MP_ROM_PTR(&esp_ifconfig_obj) },
};
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,
};
STATIC mp_obj_t esp_phy_mode(size_t n_args, const mp_obj_t *args) {
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_phy_mode_obj, 0, 1, esp_phy_mode);
STATIC const mp_rom_map_elem_t mp_module_network_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_network) },
{ MP_ROM_QSTR(MP_QSTR___init__), MP_ROM_PTR(&esp_initialize_obj) },
{ MP_ROM_QSTR(MP_QSTR_WLAN), MP_ROM_PTR(&get_wlan_obj) },
#if !MICROPY_ESP_IDF_4
{ MP_ROM_QSTR(MP_QSTR_LAN), MP_ROM_PTR(&get_lan_obj) },
{ MP_ROM_QSTR(MP_QSTR_PPP), MP_ROM_PTR(&ppp_make_new_obj) },
#endif
{ MP_ROM_QSTR(MP_QSTR_phy_mode), MP_ROM_PTR(&esp_phy_mode_obj) },
#if MODNETWORK_INCLUDE_CONSTANTS
{ MP_ROM_QSTR(MP_QSTR_STA_IF), MP_ROM_INT(WIFI_IF_STA)},
{ MP_ROM_QSTR(MP_QSTR_AP_IF), MP_ROM_INT(WIFI_IF_AP)},
{ MP_ROM_QSTR(MP_QSTR_MODE_11B), MP_ROM_INT(WIFI_PROTOCOL_11B) },
{ MP_ROM_QSTR(MP_QSTR_MODE_11G), MP_ROM_INT(WIFI_PROTOCOL_11G) },
{ MP_ROM_QSTR(MP_QSTR_MODE_11N), MP_ROM_INT(WIFI_PROTOCOL_11N) },
{ MP_ROM_QSTR(MP_QSTR_AUTH_OPEN), MP_ROM_INT(WIFI_AUTH_OPEN) },
{ MP_ROM_QSTR(MP_QSTR_AUTH_WEP), MP_ROM_INT(WIFI_AUTH_WEP) },
{ MP_ROM_QSTR(MP_QSTR_AUTH_WPA_PSK), MP_ROM_INT(WIFI_AUTH_WPA_PSK) },
{ MP_ROM_QSTR(MP_QSTR_AUTH_WPA2_PSK), MP_ROM_INT(WIFI_AUTH_WPA2_PSK) },
{ MP_ROM_QSTR(MP_QSTR_AUTH_WPA_WPA2_PSK), MP_ROM_INT(WIFI_AUTH_WPA_WPA2_PSK) },
{ MP_ROM_QSTR(MP_QSTR_AUTH_MAX), MP_ROM_INT(WIFI_AUTH_MAX) },
{ MP_ROM_QSTR(MP_QSTR_PHY_LAN8720), MP_ROM_INT(PHY_LAN8720) },
{ MP_ROM_QSTR(MP_QSTR_PHY_TLK110), MP_ROM_INT(PHY_TLK110) },
{ MP_ROM_QSTR(MP_QSTR_PHY_IP101), MP_ROM_INT(PHY_IP101) },
// ETH Clock modes from ESP-IDF
#if !MICROPY_ESP_IDF_4
{ MP_ROM_QSTR(MP_QSTR_ETH_CLOCK_GPIO0_IN), MP_ROM_INT(ETH_CLOCK_GPIO0_IN) },
// Disabled at Aug 22nd 2018, reenabled Jan 28th 2019 in ESP-IDF
// Because we use older SDK, it's currently disabled
// { MP_ROM_QSTR(MP_QSTR_ETH_CLOCK_GPIO0_OUT), MP_ROM_INT(ETH_CLOCK_GPIO0_OUT) },
{ MP_ROM_QSTR(MP_QSTR_ETH_CLOCK_GPIO16_OUT), MP_ROM_INT(ETH_CLOCK_GPIO16_OUT) },
{ MP_ROM_QSTR(MP_QSTR_ETH_CLOCK_GPIO17_OUT), MP_ROM_INT(ETH_CLOCK_GPIO17_OUT) },
#endif
{ MP_ROM_QSTR(MP_QSTR_STAT_IDLE), MP_ROM_INT(STAT_IDLE)},
{ MP_ROM_QSTR(MP_QSTR_STAT_CONNECTING), MP_ROM_INT(STAT_CONNECTING)},
{ MP_ROM_QSTR(MP_QSTR_STAT_GOT_IP), MP_ROM_INT(STAT_GOT_IP)},
// Errors from the ESP-IDF
{ MP_ROM_QSTR(MP_QSTR_STAT_NO_AP_FOUND), MP_ROM_INT(WIFI_REASON_NO_AP_FOUND)},
{ MP_ROM_QSTR(MP_QSTR_STAT_WRONG_PASSWORD), MP_ROM_INT(WIFI_REASON_AUTH_FAIL)},
{ MP_ROM_QSTR(MP_QSTR_STAT_BEACON_TIMEOUT), MP_ROM_INT(WIFI_REASON_BEACON_TIMEOUT)},
{ MP_ROM_QSTR(MP_QSTR_STAT_ASSOC_FAIL), MP_ROM_INT(WIFI_REASON_ASSOC_FAIL)},
{ MP_ROM_QSTR(MP_QSTR_STAT_HANDSHAKE_TIMEOUT), MP_ROM_INT(WIFI_REASON_HANDSHAKE_TIMEOUT)},
#endif
};
STATIC MP_DEFINE_CONST_DICT(mp_module_network_globals, mp_module_network_globals_table);
const mp_obj_module_t mp_module_network = {
.base = { &mp_type_module },
.globals = (mp_obj_dict_t *)&mp_module_network_globals,
};
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