/* * 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" * * 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 #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 #define MODNETWORK_INCLUDE_CONSTANTS (1) 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) { 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; 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; } STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp_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_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; } STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_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"); 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) }, #if MICROPY_PY_NETWORK_WLAN { MP_ROM_QSTR(MP_QSTR_WLAN), MP_ROM_PTR(&get_wlan_obj) }, #endif #if (ESP_IDF_VERSION_MAJOR == 4) && (ESP_IDF_VERSION_MINOR >= 1) && (CONFIG_IDF_TARGET_ESP32) { MP_ROM_QSTR(MP_QSTR_LAN), MP_ROM_PTR(&get_lan_obj) }, #endif { MP_ROM_QSTR(MP_QSTR_PPP), MP_ROM_PTR(&ppp_make_new_obj) }, { MP_ROM_QSTR(MP_QSTR_phy_mode), MP_ROM_PTR(&esp_phy_mode_obj) }, #if MODNETWORK_INCLUDE_CONSTANTS #if MICROPY_PY_NETWORK_WLAN { 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_WPA2_ENTERPRISE), MP_ROM_INT(WIFI_AUTH_WPA2_ENTERPRISE) }, { MP_ROM_QSTR(MP_QSTR_AUTH_WPA3_PSK), MP_ROM_INT(WIFI_AUTH_WPA3_PSK) }, { MP_ROM_QSTR(MP_QSTR_AUTH_WPA2_WPA3_PSK), MP_ROM_INT(WIFI_AUTH_WPA2_WPA3_PSK) }, #if ESP_IDF_VERSION > ESP_IDF_VERSION_VAL(4, 3, 0) { MP_ROM_QSTR(MP_QSTR_AUTH_WAPI_PSK), MP_ROM_INT(WIFI_AUTH_WAPI_PSK) }, #endif { MP_ROM_QSTR(MP_QSTR_AUTH_MAX), MP_ROM_INT(WIFI_AUTH_MAX) }, #endif #if (ESP_IDF_VERSION_MAJOR == 4) && (ESP_IDF_VERSION_MINOR >= 1) && (CONFIG_IDF_TARGET_ESP32) { MP_ROM_QSTR(MP_QSTR_PHY_LAN8720), MP_ROM_INT(PHY_LAN8720) }, { MP_ROM_QSTR(MP_QSTR_PHY_IP101), MP_ROM_INT(PHY_IP101) }, { MP_ROM_QSTR(MP_QSTR_PHY_RTL8201), MP_ROM_INT(PHY_RTL8201) }, { MP_ROM_QSTR(MP_QSTR_PHY_DP83848), MP_ROM_INT(PHY_DP83848) }, #if ESP_IDF_VERSION_MINOR >= 3 // PHY_KSZ8041 is new in ESP-IDF v4.3 { MP_ROM_QSTR(MP_QSTR_PHY_KSZ8041), MP_ROM_INT(PHY_KSZ8041) }, #endif { MP_ROM_QSTR(MP_QSTR_ETH_INITIALIZED), MP_ROM_INT(ETH_INITIALIZED)}, { MP_ROM_QSTR(MP_QSTR_ETH_STARTED), MP_ROM_INT(ETH_STARTED)}, { MP_ROM_QSTR(MP_QSTR_ETH_STOPPED), MP_ROM_INT(ETH_STOPPED)}, { MP_ROM_QSTR(MP_QSTR_ETH_CONNECTED), MP_ROM_INT(ETH_CONNECTED)}, { MP_ROM_QSTR(MP_QSTR_ETH_DISCONNECTED), MP_ROM_INT(ETH_DISCONNECTED)}, { MP_ROM_QSTR(MP_QSTR_ETH_GOT_IP), MP_ROM_INT(ETH_GOT_IP)}, #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, };