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micropython/extmod/network_esp_hosted.c

338 wiersze
14 KiB
C
Czysty Bezpośredni odnośnik Wina Historia

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2023 Arduino SA
*
* 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.
*
* ESP-Hosted network interface.
*/
#include "py/mphal.h"
#if MICROPY_PY_NETWORK && MICROPY_PY_NETWORK_ESP_HOSTED
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#include <stdint.h>
#include "py/objtuple.h"
#include "py/objlist.h"
#include "py/stream.h"
#include "py/runtime.h"
#include "py/misc.h"
#include "py/mperrno.h"
#include "shared/netutils/netutils.h"
#include "extmod/modnetwork.h"
#include "modmachine.h"
#include "esp_hosted_wifi.h"
#include "esp_hosted_hal.h"
typedef struct _esp_hosted_obj_t {
mp_obj_base_t base;
uint32_t itf;
} esp_hosted_obj_t;
static esp_hosted_obj_t esp_hosted_sta_if = {{(mp_obj_type_t *)&mod_network_esp_hosted_type}, ESP_HOSTED_STA_IF};
static esp_hosted_obj_t esp_hosted_ap_if = {{(mp_obj_type_t *)&mod_network_esp_hosted_type}, ESP_HOSTED_AP_IF};
static mp_obj_t network_esp_hosted_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);
mp_obj_t esp_hosted_obj;
// TODO fix
if (n_args == 0 || mp_obj_get_int(args[0]) == ESP_HOSTED_STA_IF) {
esp_hosted_obj = MP_OBJ_FROM_PTR(&esp_hosted_sta_if);
} else {
esp_hosted_obj = MP_OBJ_FROM_PTR(&esp_hosted_ap_if);
}
// Register with network module
mod_network_register_nic(esp_hosted_obj);
return esp_hosted_obj;
}
static mp_obj_t network_esp_hosted_active(size_t n_args, const mp_obj_t *args) {
esp_hosted_obj_t *self = MP_OBJ_TO_PTR(args[0]);
if (n_args == 2) {
bool active = mp_obj_is_true(args[1]);
if (active) {
// If the active NIC is changing disable the active one first.
// Note the host driver, firmware and ESP all support simultaneous AP/STA,
// however modnetwork.c doesn't support routing traffic to different NICs
// at the moment.
if (self->itf == ESP_HOSTED_STA_IF && esp_hosted_wifi_link_status(ESP_HOSTED_AP_IF)) {
esp_hosted_wifi_disable(ESP_HOSTED_AP_IF);
} else if (self->itf == ESP_HOSTED_AP_IF && esp_hosted_wifi_link_status(ESP_HOSTED_STA_IF)) {
esp_hosted_wifi_disable(ESP_HOSTED_STA_IF);
}
if (esp_hosted_wifi_init(self->itf) != 0) {
mp_raise_msg_varg(&mp_type_OSError, MP_ERROR_TEXT("Failed to initialize ESP32 module"));
}
} else {
esp_hosted_wifi_disable(self->itf);
}
return mp_const_none;
}
return mp_obj_new_bool(esp_hosted_wifi_link_status(self->itf));
}
static MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(network_esp_hosted_active_obj, 1, 2, network_esp_hosted_active);
static int esp_hosted_scan_callback(esp_hosted_scan_result_t *scan_result, void *arg) {
mp_obj_t scan_list = (mp_obj_t)arg;
mp_obj_t ap[6] = {
mp_obj_new_bytes((uint8_t *)scan_result->ssid, strlen(scan_result->ssid)),
mp_obj_new_bytes(scan_result->bssid, sizeof(scan_result->bssid)),
mp_obj_new_int(scan_result->channel),
mp_obj_new_int(scan_result->rssi),
mp_obj_new_int(scan_result->security),
MP_OBJ_NEW_SMALL_INT(1),
};
mp_obj_list_append(scan_list, mp_obj_new_tuple(MP_ARRAY_SIZE(ap), ap));
return 0;
}
static mp_obj_t network_esp_hosted_scan(mp_obj_t self_in) {
mp_obj_t scan_list;
scan_list = mp_obj_new_list(0, NULL);
esp_hosted_wifi_scan(esp_hosted_scan_callback, scan_list, 10000);
return scan_list;
}
static MP_DEFINE_CONST_FUN_OBJ_1(network_esp_hosted_scan_obj, network_esp_hosted_scan);
static mp_obj_t network_esp_hosted_connect(mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_ssid, ARG_key, ARG_security, ARG_bssid, ARG_channel };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_ssid, MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ MP_QSTR_key, MP_ARG_OBJ, {.u_obj = MP_ROM_NONE} },
{ MP_QSTR_security, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = ESP_HOSTED_SEC_WPA_WPA2_PSK} },
{ MP_QSTR_bssid, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_rom_obj = MP_ROM_NONE} },
{ MP_QSTR_channel, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
};
// Extract args.
esp_hosted_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
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);
// get ssid
const char *ssid = NULL;
if (args[ARG_ssid].u_obj != mp_const_none) {
ssid = mp_obj_str_get_str(args[ARG_ssid].u_obj);
} else {
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("SSID can't be empty!"));
}
// get bssid (if any)
const char *bssid = NULL;
if (args[ARG_bssid].u_obj != mp_const_none) {
bssid = mp_obj_str_get_str(args[ARG_bssid].u_obj);
}
// get key and security
const char *key = NULL;
mp_uint_t security = ESP_HOSTED_SEC_OPEN;
if (args[ARG_key].u_obj != mp_const_none) {
key = mp_obj_str_get_str(args[ARG_key].u_obj);
security = args[ARG_security].u_int;
if (security != ESP_HOSTED_SEC_OPEN && strlen(key) == 0) {
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("Key can't be empty!"));
}
}
// get channel
mp_uint_t channel = args[ARG_channel].u_int;
// If connected or AP active disconnect/stop AP first.
if (esp_hosted_wifi_is_connected(self->itf)) {
esp_hosted_wifi_disconnect(self->itf);
}
if (self->itf == ESP_HOSTED_STA_IF) {
// Initialize WiFi in Station mode.
if (esp_hosted_wifi_connect(ssid, bssid, security, key, channel) != 0) {
mp_raise_msg_varg(&mp_type_OSError,
MP_ERROR_TEXT("could not connect to ssid=%s, sec=%d, key=%s\n"), ssid, security, key);
}
} else {
// Initialize WiFi in AP mode.
if (esp_hosted_wifi_start_ap(ssid, security, key, channel) != 0) {
mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("failed to start in AP mode"));
}
}
return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_KW(network_esp_hosted_connect_obj, 1, network_esp_hosted_connect);
static mp_obj_t network_esp_hosted_disconnect(mp_obj_t self_in) {
esp_hosted_obj_t *self = self_in;
esp_hosted_wifi_disconnect(self->itf);
return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_1(network_esp_hosted_disconnect_obj, network_esp_hosted_disconnect);
static mp_obj_t network_esp_hosted_isconnected(mp_obj_t self_in) {
esp_hosted_obj_t *self = self_in;
return mp_obj_new_bool(esp_hosted_wifi_is_connected(self->itf));
}
static MP_DEFINE_CONST_FUN_OBJ_1(network_esp_hosted_isconnected_obj, network_esp_hosted_isconnected);
static mp_obj_t network_esp_hosted_ifconfig(size_t n_args, const mp_obj_t *args) {
esp_hosted_obj_t *self = MP_OBJ_TO_PTR(args[0]);
void *netif = esp_hosted_wifi_get_netif(self->itf);
return mod_network_nic_ifconfig(netif, n_args - 1, args + 1);
}
static MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(network_esp_hosted_ifconfig_obj, 1, 2, network_esp_hosted_ifconfig);
static mp_obj_t network_esp_hosted_ipconfig(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
esp_hosted_obj_t *self = MP_OBJ_TO_PTR(args[0]);
void *netif = esp_hosted_wifi_get_netif(self->itf);
return mod_network_nic_ipconfig(netif, n_args - 1, args + 1, kwargs);
}
static MP_DEFINE_CONST_FUN_OBJ_KW(network_esp_hosted_ipconfig_obj, 1, network_esp_hosted_ipconfig);
static mp_obj_t network_esp_hosted_config(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
esp_hosted_obj_t *self = MP_OBJ_TO_PTR(args[0]);
if (kwargs->used == 0) {
// Get config value
if (n_args != 2) {
mp_raise_TypeError(MP_ERROR_TEXT("must query one param"));
}
switch (mp_obj_str_get_qstr(args[1])) {
case MP_QSTR_mac: {
uint8_t buf[6];
esp_hosted_wifi_get_mac(self->itf, buf);
return mp_obj_new_bytes(buf, 6);
}
case MP_QSTR_ssid:
case MP_QSTR_essid: {
esp_hosted_netinfo_t netinfo;
esp_hosted_wifi_netinfo(&netinfo);
return mp_obj_new_str(netinfo.ssid, strlen(netinfo.ssid));
}
case MP_QSTR_security: {
esp_hosted_netinfo_t netinfo;
esp_hosted_wifi_netinfo(&netinfo);
return mp_obj_new_int(netinfo.security);
}
case MP_QSTR_bssid: {
esp_hosted_netinfo_t netinfo;
esp_hosted_wifi_netinfo(&netinfo);
return mp_obj_new_bytes(netinfo.bssid, 6);
}
case MP_QSTR_channel: {
esp_hosted_netinfo_t netinfo;
esp_hosted_wifi_netinfo(&netinfo);
return mp_obj_new_int(netinfo.channel);
}
default:
mp_raise_ValueError(MP_ERROR_TEXT("unknown config param"));
}
} else {
if (self->itf != MOD_NETWORK_AP_IF) {
mp_raise_ValueError(MP_ERROR_TEXT("AP required"));
}
// Call connect to set WiFi access point.
return network_esp_hosted_connect(n_args, args, kwargs);
}
return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_KW(network_esp_hosted_config_obj, 1, network_esp_hosted_config);
static mp_obj_t network_esp_hosted_status(size_t n_args, const mp_obj_t *args) {
esp_hosted_obj_t *self = MP_OBJ_TO_PTR(args[0]);
if (n_args == 1) {
// no arguments: return link status
return mp_obj_new_bool(esp_hosted_wifi_link_status(self->itf));
}
// Query parameter.
switch (mp_obj_str_get_qstr(args[1])) {
case MP_QSTR_rssi: {
esp_hosted_netinfo_t netinfo;
esp_hosted_wifi_netinfo(&netinfo);
return mp_obj_new_int(netinfo.rssi);
}
case MP_QSTR_stations: {
if (self->itf != MOD_NETWORK_AP_IF) {
mp_raise_ValueError(MP_ERROR_TEXT("AP required"));
}
size_t sta_count = 0;
uint8_t sta_macs[ESP_HOSTED_MAX_AP_CLIENTS * 6];
mp_obj_t sta_list = mp_obj_new_list(0, NULL);
if (esp_hosted_wifi_get_stations(sta_macs, &sta_count) == 0) {
for (int i = 0; i < sta_count; i++) {
mp_obj_list_append(sta_list, mp_obj_new_bytes(&sta_macs[i * 6], 6));
}
}
return sta_list;
}
}
mp_raise_ValueError(MP_ERROR_TEXT("unknown status param"));
}
static MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(network_esp_hosted_status_obj, 1, 2, network_esp_hosted_status);
static const mp_rom_map_elem_t network_esp_hosted_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_active), MP_ROM_PTR(&network_esp_hosted_active_obj) },
{ MP_ROM_QSTR(MP_QSTR_scan), MP_ROM_PTR(&network_esp_hosted_scan_obj) },
{ MP_ROM_QSTR(MP_QSTR_connect), MP_ROM_PTR(&network_esp_hosted_connect_obj) },
{ MP_ROM_QSTR(MP_QSTR_disconnect), MP_ROM_PTR(&network_esp_hosted_disconnect_obj) },
{ MP_ROM_QSTR(MP_QSTR_isconnected), MP_ROM_PTR(&network_esp_hosted_isconnected_obj) },
{ MP_ROM_QSTR(MP_QSTR_ifconfig), MP_ROM_PTR(&network_esp_hosted_ifconfig_obj) },
{ MP_ROM_QSTR(MP_QSTR_ipconfig), MP_ROM_PTR(&network_esp_hosted_ipconfig_obj) },
{ MP_ROM_QSTR(MP_QSTR_config), MP_ROM_PTR(&network_esp_hosted_config_obj) },
{ MP_ROM_QSTR(MP_QSTR_status), MP_ROM_PTR(&network_esp_hosted_status_obj) },
// Class constants.
{ MP_ROM_QSTR(MP_QSTR_IF_STA), MP_ROM_INT(MOD_NETWORK_STA_IF) },
{ MP_ROM_QSTR(MP_QSTR_IF_AP), MP_ROM_INT(MOD_NETWORK_AP_IF) },
{ MP_ROM_QSTR(MP_QSTR_SEC_OPEN), MP_ROM_INT(ESP_HOSTED_SEC_OPEN) },
{ MP_ROM_QSTR(MP_QSTR_SEC_WEP), MP_ROM_INT(ESP_HOSTED_SEC_WEP) },
{ MP_ROM_QSTR(MP_QSTR_SEC_WPA_WPA2), MP_ROM_INT(ESP_HOSTED_SEC_WPA_WPA2_PSK) },
// For backwards compatibility.
{ MP_ROM_QSTR(MP_QSTR_OPEN), MP_ROM_INT(ESP_HOSTED_SEC_OPEN) },
{ MP_ROM_QSTR(MP_QSTR_WEP), MP_ROM_INT(ESP_HOSTED_SEC_WEP) },
{ MP_ROM_QSTR(MP_QSTR_WPA_PSK), MP_ROM_INT(ESP_HOSTED_SEC_WPA_WPA2_PSK) },
};
static MP_DEFINE_CONST_DICT(network_esp_hosted_locals_dict, network_esp_hosted_locals_dict_table);
MP_DEFINE_CONST_OBJ_TYPE(
mod_network_esp_hosted_type,
MP_QSTR_ESPHOSTED,
MP_TYPE_FLAG_NONE,
make_new, network_esp_hosted_make_new,
locals_dict, &network_esp_hosted_locals_dict
);
MP_REGISTER_ROOT_POINTER(struct _machine_spi_obj_t *mp_wifi_spi);
#endif // #if MICROPY_PY_BLUETOOTH && MICROPY_PY_NETWORK_ESP_HOSTED
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