micropython/ports/esp32/network_common.c

221 lines
9.5 KiB
C

/*
* 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/runtime.h"
#include "py/mperrno.h"
#include "shared/netutils/netutils.h"
#include "modnetwork.h"
#include "esp_wifi.h"
#include "esp_log.h"
#include "lwip/dns.h"
#if ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(4, 1, 0)
#define DNS_MAIN TCPIP_ADAPTER_DNS_MAIN
#else
#define DNS_MAIN ESP_NETIF_DNS_MAIN
#endif
NORETURN void esp_exceptions_helper(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);
}
}
// 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) {
#if MICROPY_PY_NETWORK_WLAN
case SYSTEM_EVENT_STA_START:
case SYSTEM_EVENT_STA_CONNECTED:
case SYSTEM_EVENT_STA_GOT_IP:
case SYSTEM_EVENT_STA_DISCONNECTED:
network_wlan_event_handler(event);
break;
#endif
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;
}
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;
}
MP_DEFINE_CONST_FUN_OBJ_0(esp_network_initialize_obj, esp_initialize);
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, 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_helper(e);
}
esp_exceptions(tcpip_adapter_set_ip_info(self->if_id, &info));
esp_exceptions(tcpip_adapter_set_dns_info(self->if_id, 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_helper(e);
}
esp_exceptions(tcpip_adapter_set_ip_info(WIFI_IF_AP, &info));
esp_exceptions(tcpip_adapter_set_dns_info(WIFI_IF_AP, 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_network_ifconfig_obj, 1, 2, esp_ifconfig);
STATIC mp_obj_t esp_phy_mode(size_t n_args, const mp_obj_t *args) {
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_network_phy_mode_obj, 0, 1, esp_phy_mode);
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 0)
#define TEST_WIFI_AUTH_MAX 9
#else
#define TEST_WIFI_AUTH_MAX 8
#endif
_Static_assert(WIFI_AUTH_MAX == TEST_WIFI_AUTH_MAX, "Synchronize WIFI_AUTH_XXX constants with the ESP-IDF. Look at esp-idf/components/esp_wifi/include/esp_wifi_types.h");