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WiFiGeneric.cpp
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/*
ESP8266WiFiGeneric.cpp - WiFi library for esp8266
Copyright (c) 2014 Ivan Grokhotkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Reworked on 28 Dec 2015 by Markus Sattler
*/
#include "WiFi.h"
#include "WiFiGeneric.h"
extern "C" {
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <string.h>
#include <esp_err.h>
#include <esp_wifi.h>
#include <esp_event.h>
#include "lwip/ip_addr.h"
#include "lwip/opt.h"
#include "lwip/err.h"
#include "lwip/dns.h"
#include "dhcpserver/dhcpserver_options.h"
} //extern "C"
#include "esp32-hal.h"
#include <vector>
#include "sdkconfig.h"
#define _byte_swap32(num) (((num>>24)&0xff) | ((num<<8)&0xff0000) | ((num>>8)&0xff00) | ((num<<24)&0xff000000))
ESP_EVENT_DEFINE_BASE(ARDUINO_EVENTS);
/*
* Private (exposable) methods
* */
static esp_netif_t* esp_netifs[ESP_IF_MAX] = {NULL, NULL, NULL};
esp_interface_t get_esp_netif_interface(esp_netif_t* esp_netif){
for(int i=0; i<ESP_IF_MAX; i++){
if(esp_netifs[i] != NULL && esp_netifs[i] == esp_netif){
return (esp_interface_t)i;
}
}
return ESP_IF_MAX;
}
void add_esp_interface_netif(esp_interface_t interface, esp_netif_t* esp_netif){
if(interface < ESP_IF_MAX){
esp_netifs[interface] = esp_netif;
}
}
esp_netif_t* get_esp_interface_netif(esp_interface_t interface){
if(interface < ESP_IF_MAX){
return esp_netifs[interface];
}
return NULL;
}
esp_err_t set_esp_interface_hostname(esp_interface_t interface, const char * hostname){
if(interface < ESP_IF_MAX){
return esp_netif_set_hostname(esp_netifs[interface], hostname);
}
return ESP_FAIL;
}
esp_err_t set_esp_interface_ip(esp_interface_t interface, IPAddress local_ip=IPAddress(), IPAddress gateway=IPAddress(), IPAddress subnet=IPAddress(), IPAddress dhcp_lease_start=INADDR_NONE){
esp_netif_t *esp_netif = esp_netifs[interface];
esp_netif_dhcp_status_t status = ESP_NETIF_DHCP_INIT;
esp_netif_ip_info_t info;
info.ip.addr = static_cast<uint32_t>(local_ip);
info.gw.addr = static_cast<uint32_t>(gateway);
info.netmask.addr = static_cast<uint32_t>(subnet);
log_v("Configuring %s static IP: " IPSTR ", MASK: " IPSTR ", GW: " IPSTR,
interface == ESP_IF_WIFI_STA ? "Station" :
interface == ESP_IF_WIFI_AP ? "SoftAP" : "Ethernet",
IP2STR(&info.ip), IP2STR(&info.netmask), IP2STR(&info.gw));
esp_err_t err = ESP_OK;
if(interface != ESP_IF_WIFI_AP){
err = esp_netif_dhcpc_get_status(esp_netif, &status);
if(err){
log_e("DHCPC Get Status Failed! 0x%04x", err);
return err;
}
err = esp_netif_dhcpc_stop(esp_netif);
if(err && err != ESP_ERR_ESP_NETIF_DHCP_ALREADY_STOPPED){
log_e("DHCPC Stop Failed! 0x%04x", err);
return err;
}
err = esp_netif_set_ip_info(esp_netif, &info);
if(err){
log_e("Netif Set IP Failed! 0x%04x", err);
return err;
}
if(info.ip.addr == 0){
err = esp_netif_dhcpc_start(esp_netif);
if(err){
log_e("DHCPC Start Failed! 0x%04x", err);
return err;
}
}
} else {
err = esp_netif_dhcps_get_status(esp_netif, &status);
if(err){
log_e("DHCPS Get Status Failed! 0x%04x", err);
return err;
}
err = esp_netif_dhcps_stop(esp_netif);
if(err && err != ESP_ERR_ESP_NETIF_DHCP_ALREADY_STOPPED){
log_e("DHCPS Stop Failed! 0x%04x", err);
return err;
}
err = esp_netif_set_ip_info(esp_netif, &info);
if(err){
log_e("Netif Set IP Failed! 0x%04x", err);
return err;
}
dhcps_lease_t lease;
lease.enable = true;
uint8_t CIDR = WiFiGenericClass::calculateSubnetCIDR(subnet);
log_v("SoftAP: %s | Gateway: %s | DHCP Start: %s | Netmask: %s", local_ip.toString().c_str(), gateway.toString().c_str(), dhcp_lease_start.toString().c_str(), subnet.toString().c_str());
// netmask must have room for at least 12 IP addresses (AP + GW + 10 DHCP Leasing addresses)
// netmask also must be limited to the last 8 bits of IPv4, otherwise this function won't work
// IDF NETIF checks netmask for the 3rd byte: https://github.com/espressif/esp-idf/blob/master/components/esp_netif/lwip/esp_netif_lwip.c#L1857-L1862
if (CIDR > 28 || CIDR < 24) {
log_e("Bad netmask. It must be from /24 to /28 (255.255.255. 0<->240)");
return ESP_FAIL; // ESP_FAIL if initializing failed
}
// The code below is ready for any netmask, not limited to 255.255.255.0
uint32_t netmask = _byte_swap32(info.netmask.addr);
uint32_t ap_ipaddr = _byte_swap32(info.ip.addr);
uint32_t dhcp_ipaddr = _byte_swap32(static_cast<uint32_t>(dhcp_lease_start));
dhcp_ipaddr = dhcp_ipaddr == 0 ? ap_ipaddr + 1 : dhcp_ipaddr;
uint32_t leaseStartMax = ~netmask - 10;
// there will be 10 addresses for DHCP to lease
lease.start_ip.addr = dhcp_ipaddr;
lease.end_ip.addr = lease.start_ip.addr + 10;
// Check if local_ip is in the same subnet as the dhcp leasing range initial address
if ((ap_ipaddr & netmask) != (dhcp_ipaddr & netmask)) {
log_e("The AP IP address (%s) and the DHCP start address (%s) must be in the same subnet",
local_ip.toString().c_str(), IPAddress(_byte_swap32(dhcp_ipaddr)).toString().c_str());
return ESP_FAIL; // ESP_FAIL if initializing failed
}
// prevents DHCP lease range to overflow subnet range
if ((dhcp_ipaddr & ~netmask) >= leaseStartMax) {
// make first DHCP lease addr stay in the begining of the netmask range
lease.start_ip.addr = (dhcp_ipaddr & netmask) + 1;
lease.end_ip.addr = lease.start_ip.addr + 10;
log_w("DHCP Lease out of range - Changing DHCP leasing start to %s", IPAddress(_byte_swap32(lease.start_ip.addr)).toString().c_str());
}
// Check if local_ip is within DHCP range
if (ap_ipaddr >= lease.start_ip.addr && ap_ipaddr <= lease.end_ip.addr) {
log_e("The AP IP address (%s) can't be within the DHCP range (%s -- %s)",
local_ip.toString().c_str(), IPAddress(_byte_swap32(lease.start_ip.addr)).toString().c_str(), IPAddress(_byte_swap32(lease.end_ip.addr)).toString().c_str());
return ESP_FAIL; // ESP_FAIL if initializing failed
}
// Check if gateway is within DHCP range
uint32_t gw_ipaddr = _byte_swap32(info.gw.addr);
bool gw_in_same_subnet = (gw_ipaddr & netmask) == (ap_ipaddr & netmask);
if (gw_in_same_subnet && gw_ipaddr >= lease.start_ip.addr && gw_ipaddr <= lease.end_ip.addr) {
log_e("The GatewayP address (%s) can't be within the DHCP range (%s -- %s)",
gateway.toString().c_str(), IPAddress(_byte_swap32(lease.start_ip.addr)).toString().c_str(), IPAddress(_byte_swap32(lease.end_ip.addr)).toString().c_str());
return ESP_FAIL; // ESP_FAIL if initializing failed
}
// all done, just revert back byte order of DHCP lease range
lease.start_ip.addr = _byte_swap32(lease.start_ip.addr);
lease.end_ip.addr = _byte_swap32(lease.end_ip.addr);
log_v("DHCP Server Range: %s to %s", IPAddress(lease.start_ip.addr).toString().c_str(), IPAddress(lease.end_ip.addr).toString().c_str());
err = esp_netif_dhcps_option(
esp_netif,
ESP_NETIF_OP_SET,
ESP_NETIF_SUBNET_MASK,
(void*)&info.netmask.addr, sizeof(info.netmask.addr)
);
if(err){
log_e("DHCPS Set Netmask Failed! 0x%04x", err);
return err;
}
err = esp_netif_dhcps_option(
esp_netif,
ESP_NETIF_OP_SET,
ESP_NETIF_REQUESTED_IP_ADDRESS,
(void*)&lease, sizeof(dhcps_lease_t)
);
if(err){
log_e("DHCPS Set Lease Failed! 0x%04x", err);
return err;
}
err = esp_netif_dhcps_start(esp_netif);
if(err){
log_e("DHCPS Start Failed! 0x%04x", err);
return err;
}
}
return err;
}
esp_err_t set_esp_interface_dns(esp_interface_t interface, IPAddress main_dns=IPAddress(), IPAddress backup_dns=IPAddress(), IPAddress fallback_dns=IPAddress()){
esp_netif_t *esp_netif = esp_netifs[interface];
esp_netif_dns_info_t dns;
dns.ip.type = ESP_IPADDR_TYPE_V4;
dns.ip.u_addr.ip4.addr = static_cast<uint32_t>(main_dns);
if(dns.ip.u_addr.ip4.addr && esp_netif_set_dns_info(esp_netif, ESP_NETIF_DNS_MAIN, &dns) != ESP_OK){
log_e("Set Main DNS Failed!");
return ESP_FAIL;
}
if(interface != ESP_IF_WIFI_AP){
dns.ip.u_addr.ip4.addr = static_cast<uint32_t>(backup_dns);
if(dns.ip.u_addr.ip4.addr && esp_netif_set_dns_info(esp_netif, ESP_NETIF_DNS_BACKUP, &dns) != ESP_OK){
log_e("Set Backup DNS Failed!");
return ESP_FAIL;
}
dns.ip.u_addr.ip4.addr = static_cast<uint32_t>(fallback_dns);
if(dns.ip.u_addr.ip4.addr && esp_netif_set_dns_info(esp_netif, ESP_NETIF_DNS_FALLBACK, &dns) != ESP_OK){
log_e("Set Fallback DNS Failed!");
return ESP_FAIL;
}
}
return ESP_OK;
}
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_VERBOSE
static const char * auth_mode_str(int authmode)
{
switch (authmode) {
case WIFI_AUTH_OPEN:
return ("OPEN");
break;
case WIFI_AUTH_WEP:
return ("WEP");
break;
case WIFI_AUTH_WPA_PSK:
return ("WPA_PSK");
break;
case WIFI_AUTH_WPA2_PSK:
return ("WPA2_PSK");
break;
case WIFI_AUTH_WPA_WPA2_PSK:
return ("WPA_WPA2_PSK");
break;
case WIFI_AUTH_WPA2_ENTERPRISE:
return ("WPA2_ENTERPRISE");
break;
case WIFI_AUTH_WPA3_PSK:
return ("WPA3_PSK");
break;
case WIFI_AUTH_WPA2_WPA3_PSK:
return ("WPA2_WPA3_PSK");
break;
case WIFI_AUTH_WAPI_PSK:
return ("WPAPI_PSK");
break;
default:
break;
}
return ("UNKNOWN");
}
#endif
static char default_hostname[32] = {0,};
static const char * get_esp_netif_hostname(){
if(default_hostname[0] == 0){
uint8_t eth_mac[6];
esp_wifi_get_mac((wifi_interface_t)WIFI_IF_STA, eth_mac);
snprintf(default_hostname, 32, "%s%02X%02X%02X", CONFIG_IDF_TARGET "-", eth_mac[3], eth_mac[4], eth_mac[5]);
}
return (const char *)default_hostname;
}
static void set_esp_netif_hostname(const char * name){
if(name){
snprintf(default_hostname, 32, "%s", name);
}
}
static xQueueHandle _arduino_event_queue;
static TaskHandle_t _arduino_event_task_handle = NULL;
static EventGroupHandle_t _arduino_event_group = NULL;
static void _arduino_event_task(void * arg){
arduino_event_t *data = NULL;
for (;;) {
if(xQueueReceive(_arduino_event_queue, &data, portMAX_DELAY) == pdTRUE){
WiFiGenericClass::_eventCallback(data);
free(data);
data = NULL;
}
}
vTaskDelete(NULL);
_arduino_event_task_handle = NULL;
}
esp_err_t postArduinoEvent(arduino_event_t *data)
{
if(data == NULL){
return ESP_FAIL;
}
arduino_event_t * event = (arduino_event_t*)malloc(sizeof(arduino_event_t));
if(event == NULL){
log_e("Arduino Event Malloc Failed!");
return ESP_FAIL;
}
memcpy(event, data, sizeof(arduino_event_t));
if (xQueueSend(_arduino_event_queue, &event, portMAX_DELAY) != pdPASS) {
log_e("Arduino Event Send Failed!");
return ESP_FAIL;
}
return ESP_OK;
}
static void _arduino_event_cb(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data) {
arduino_event_t arduino_event;
arduino_event.event_id = ARDUINO_EVENT_MAX;
/*
* STA
* */
if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
log_v("STA Started");
arduino_event.event_id = ARDUINO_EVENT_WIFI_STA_START;
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_STOP) {
log_v("STA Stopped");
arduino_event.event_id = ARDUINO_EVENT_WIFI_STA_STOP;
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_AUTHMODE_CHANGE) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_VERBOSE
wifi_event_sta_authmode_change_t * event = (wifi_event_sta_authmode_change_t*)event_data;
log_v("STA Auth Mode Changed: From: %s, To: %s", auth_mode_str(event->old_mode), auth_mode_str(event->new_mode));
#endif
arduino_event.event_id = ARDUINO_EVENT_WIFI_STA_AUTHMODE_CHANGE;
memcpy(&arduino_event.event_info.wifi_sta_authmode_change, event_data, sizeof(wifi_event_sta_authmode_change_t));
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_CONNECTED) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_VERBOSE
wifi_event_sta_connected_t * event = (wifi_event_sta_connected_t*)event_data;
log_v("STA Connected: SSID: %s, BSSID: " MACSTR ", Channel: %u, Auth: %s", event->ssid, MAC2STR(event->bssid), event->channel, auth_mode_str(event->authmode));
#endif
arduino_event.event_id = ARDUINO_EVENT_WIFI_STA_CONNECTED;
memcpy(&arduino_event.event_info.wifi_sta_connected, event_data, sizeof(wifi_event_sta_connected_t));
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_VERBOSE
wifi_event_sta_disconnected_t * event = (wifi_event_sta_disconnected_t*)event_data;
log_v("STA Disconnected: SSID: %s, BSSID: " MACSTR ", Reason: %u", event->ssid, MAC2STR(event->bssid), event->reason);
#endif
arduino_event.event_id = ARDUINO_EVENT_WIFI_STA_DISCONNECTED;
memcpy(&arduino_event.event_info.wifi_sta_disconnected, event_data, sizeof(wifi_event_sta_disconnected_t));
} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_VERBOSE
ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
log_v("STA Got %sIP:" IPSTR, event->ip_changed?"New ":"Same ", IP2STR(&event->ip_info.ip));
#endif
arduino_event.event_id = ARDUINO_EVENT_WIFI_STA_GOT_IP;
memcpy(&arduino_event.event_info.got_ip, event_data, sizeof(ip_event_got_ip_t));
} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_LOST_IP) {
log_v("STA IP Lost");
arduino_event.event_id = ARDUINO_EVENT_WIFI_STA_LOST_IP;
/*
* SCAN
* */
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_SCAN_DONE) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_VERBOSE
wifi_event_sta_scan_done_t * event = (wifi_event_sta_scan_done_t*)event_data;
log_v("SCAN Done: ID: %u, Status: %u, Results: %u", event->scan_id, event->status, event->number);
#endif
arduino_event.event_id = ARDUINO_EVENT_WIFI_SCAN_DONE;
memcpy(&arduino_event.event_info.wifi_scan_done, event_data, sizeof(wifi_event_sta_scan_done_t));
/*
* AP
* */
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_AP_START) {
log_v("AP Started");
arduino_event.event_id = ARDUINO_EVENT_WIFI_AP_START;
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_AP_STOP) {
log_v("AP Stopped");
arduino_event.event_id = ARDUINO_EVENT_WIFI_AP_STOP;
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_AP_PROBEREQRECVED) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_VERBOSE
wifi_event_ap_probe_req_rx_t * event = (wifi_event_ap_probe_req_rx_t*)event_data;
log_v("AP Probe Request: RSSI: %d, MAC: " MACSTR, event->rssi, MAC2STR(event->mac));
#endif
arduino_event.event_id = ARDUINO_EVENT_WIFI_AP_PROBEREQRECVED;
memcpy(&arduino_event.event_info.wifi_ap_probereqrecved, event_data, sizeof(wifi_event_ap_probe_req_rx_t));
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_AP_STACONNECTED) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_VERBOSE
wifi_event_ap_staconnected_t* event = (wifi_event_ap_staconnected_t*) event_data;
log_v("AP Station Connected: MAC: " MACSTR ", AID: %d", MAC2STR(event->mac), event->aid);
#endif
arduino_event.event_id = ARDUINO_EVENT_WIFI_AP_STACONNECTED;
memcpy(&arduino_event.event_info.wifi_ap_staconnected, event_data, sizeof(wifi_event_ap_staconnected_t));
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_AP_STADISCONNECTED) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_VERBOSE
wifi_event_ap_stadisconnected_t* event = (wifi_event_ap_stadisconnected_t*) event_data;
log_v("AP Station Disconnected: MAC: " MACSTR ", AID: %d", MAC2STR(event->mac), event->aid);
#endif
arduino_event.event_id = ARDUINO_EVENT_WIFI_AP_STADISCONNECTED;
memcpy(&arduino_event.event_info.wifi_ap_stadisconnected, event_data, sizeof(wifi_event_ap_stadisconnected_t));
} else if (event_base == IP_EVENT && event_id == IP_EVENT_AP_STAIPASSIGNED) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_VERBOSE
ip_event_ap_staipassigned_t * event = (ip_event_ap_staipassigned_t*)event_data;
log_v("AP Station IP Assigned:" IPSTR, IP2STR(&event->ip));
#endif
arduino_event.event_id = ARDUINO_EVENT_WIFI_AP_STAIPASSIGNED;
memcpy(&arduino_event.event_info.wifi_ap_staipassigned, event_data, sizeof(ip_event_ap_staipassigned_t));
/*
* ETH
* */
#ifdef CONFIG_ETH_ENABLED
} else if (event_base == ETH_EVENT && event_id == ETHERNET_EVENT_CONNECTED) {
log_v("Ethernet Link Up");
arduino_event.event_id = ARDUINO_EVENT_ETH_CONNECTED;
memcpy(&arduino_event.event_info.eth_connected, event_data, sizeof(esp_eth_handle_t));
} else if (event_base == ETH_EVENT && event_id == ETHERNET_EVENT_DISCONNECTED) {
log_v("Ethernet Link Down");
arduino_event.event_id = ARDUINO_EVENT_ETH_DISCONNECTED;
} else if (event_base == ETH_EVENT && event_id == ETHERNET_EVENT_START) {
log_v("Ethernet Started");
arduino_event.event_id = ARDUINO_EVENT_ETH_START;
} else if (event_base == ETH_EVENT && event_id == ETHERNET_EVENT_STOP) {
log_v("Ethernet Stopped");
arduino_event.event_id = ARDUINO_EVENT_ETH_STOP;
} else if (event_base == IP_EVENT && event_id == IP_EVENT_ETH_GOT_IP) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_VERBOSE
ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
log_v("Ethernet got %sip:" IPSTR, event->ip_changed?"new":"", IP2STR(&event->ip_info.ip));
#endif
arduino_event.event_id = ARDUINO_EVENT_ETH_GOT_IP;
memcpy(&arduino_event.event_info.got_ip, event_data, sizeof(ip_event_got_ip_t));
#endif // CONFIG_ETH_ENABLED
/*
* IPv6
* */
} else if (event_base == IP_EVENT && event_id == IP_EVENT_GOT_IP6) {
ip_event_got_ip6_t * event = (ip_event_got_ip6_t*)event_data;
esp_interface_t iface = get_esp_netif_interface(event->esp_netif);
log_v("IF[%d] Got IPv6: IP Index: %d, Zone: %d, " IPV6STR, iface, event->ip_index, event->ip6_info.ip.zone, IPV62STR(event->ip6_info.ip));
memcpy(&arduino_event.event_info.got_ip6, event_data, sizeof(ip_event_got_ip6_t));
if(iface == ESP_IF_WIFI_STA){
arduino_event.event_id = ARDUINO_EVENT_WIFI_STA_GOT_IP6;
} else if(iface == ESP_IF_WIFI_AP){
arduino_event.event_id = ARDUINO_EVENT_WIFI_AP_GOT_IP6;
} else if(iface == ESP_IF_ETH){
arduino_event.event_id = ARDUINO_EVENT_ETH_GOT_IP6;
}
/*
* WPS
* */
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_WPS_ER_SUCCESS) {
arduino_event.event_id = ARDUINO_EVENT_WPS_ER_SUCCESS;
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_WPS_ER_FAILED) {
arduino_event.event_id = ARDUINO_EVENT_WPS_ER_FAILED;
memcpy(&arduino_event.event_info.wps_fail_reason, event_data, sizeof(wifi_event_sta_wps_fail_reason_t));
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_WPS_ER_TIMEOUT) {
arduino_event.event_id = ARDUINO_EVENT_WPS_ER_TIMEOUT;
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_WPS_ER_PIN) {
arduino_event.event_id = ARDUINO_EVENT_WPS_ER_PIN;
memcpy(&arduino_event.event_info.wps_er_pin, event_data, sizeof(wifi_event_sta_wps_er_pin_t));
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_WPS_ER_PBC_OVERLAP) {
arduino_event.event_id = ARDUINO_EVENT_WPS_ER_PBC_OVERLAP;
/*
* FTM
* */
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_FTM_REPORT) {
arduino_event.event_id = ARDUINO_EVENT_WIFI_FTM_REPORT;
memcpy(&arduino_event.event_info.wifi_ftm_report, event_data, sizeof(wifi_event_ftm_report_t));
/*
* SMART CONFIG
* */
} else if (event_base == SC_EVENT && event_id == SC_EVENT_SCAN_DONE) {
log_v("SC Scan Done");
arduino_event.event_id = ARDUINO_EVENT_SC_SCAN_DONE;
} else if (event_base == SC_EVENT && event_id == SC_EVENT_FOUND_CHANNEL) {
log_v("SC Found Channel");
arduino_event.event_id = ARDUINO_EVENT_SC_FOUND_CHANNEL;
} else if (event_base == SC_EVENT && event_id == SC_EVENT_GOT_SSID_PSWD) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_VERBOSE
smartconfig_event_got_ssid_pswd_t *event = (smartconfig_event_got_ssid_pswd_t *)event_data;
log_v("SC: SSID: %s, Password: %s", (const char *)event->ssid, (const char *)event->password);
#endif
arduino_event.event_id = ARDUINO_EVENT_SC_GOT_SSID_PSWD;
memcpy(&arduino_event.event_info.sc_got_ssid_pswd, event_data, sizeof(smartconfig_event_got_ssid_pswd_t));
} else if (event_base == SC_EVENT && event_id == SC_EVENT_SEND_ACK_DONE) {
log_v("SC Send Ack Done");
arduino_event.event_id = ARDUINO_EVENT_SC_SEND_ACK_DONE;
/*
* Provisioning
* */
} else if (event_base == WIFI_PROV_EVENT && event_id == WIFI_PROV_INIT) {
log_v("Provisioning Initialized!");
arduino_event.event_id = ARDUINO_EVENT_PROV_INIT;
} else if (event_base == WIFI_PROV_EVENT && event_id == WIFI_PROV_DEINIT) {
log_v("Provisioning Uninitialized!");
arduino_event.event_id = ARDUINO_EVENT_PROV_DEINIT;
} else if (event_base == WIFI_PROV_EVENT && event_id == WIFI_PROV_START) {
log_v("Provisioning Start!");
arduino_event.event_id = ARDUINO_EVENT_PROV_START;
} else if (event_base == WIFI_PROV_EVENT && event_id == WIFI_PROV_END) {
log_v("Provisioning End!");
wifi_prov_mgr_deinit();
arduino_event.event_id = ARDUINO_EVENT_PROV_END;
} else if (event_base == WIFI_PROV_EVENT && event_id == WIFI_PROV_CRED_RECV) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_VERBOSE
wifi_sta_config_t *event = (wifi_sta_config_t *)event_data;
log_v("Provisioned Credentials: SSID: %s, Password: %s", (const char *) event->ssid, (const char *) event->password);
#endif
arduino_event.event_id = ARDUINO_EVENT_PROV_CRED_RECV;
memcpy(&arduino_event.event_info.prov_cred_recv, event_data, sizeof(wifi_sta_config_t));
} else if (event_base == WIFI_PROV_EVENT && event_id == WIFI_PROV_CRED_FAIL) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_ERROR
wifi_prov_sta_fail_reason_t *reason = (wifi_prov_sta_fail_reason_t *)event_data;
log_e("Provisioning Failed: Reason : %s", (*reason == WIFI_PROV_STA_AUTH_ERROR)?"Authentication Failed":"AP Not Found");
#endif
arduino_event.event_id = ARDUINO_EVENT_PROV_CRED_FAIL;
memcpy(&arduino_event.event_info.prov_fail_reason, event_data, sizeof(wifi_prov_sta_fail_reason_t));
} else if (event_base == WIFI_PROV_EVENT && event_id == WIFI_PROV_CRED_SUCCESS) {
log_v("Provisioning Success!");
arduino_event.event_id = ARDUINO_EVENT_PROV_CRED_SUCCESS;
}
if(arduino_event.event_id < ARDUINO_EVENT_MAX){
postArduinoEvent(&arduino_event);
}
}
static bool _start_network_event_task(){
if(!_arduino_event_group){
_arduino_event_group = xEventGroupCreate();
if(!_arduino_event_group){
log_e("Network Event Group Create Failed!");
return false;
}
xEventGroupSetBits(_arduino_event_group, WIFI_DNS_IDLE_BIT);
}
if(!_arduino_event_queue){
_arduino_event_queue = xQueueCreate(32, sizeof(arduino_event_t*));
if(!_arduino_event_queue){
log_e("Network Event Queue Create Failed!");
return false;
}
}
esp_err_t err = esp_event_loop_create_default();
if (err != ESP_OK && err != ESP_ERR_INVALID_STATE) {
log_e("esp_event_loop_create_default failed!");
return err;
}
if(!_arduino_event_task_handle){
xTaskCreateUniversal(_arduino_event_task, "arduino_events", 4096, NULL, ESP_TASKD_EVENT_PRIO - 1, &_arduino_event_task_handle, ARDUINO_EVENT_RUNNING_CORE);
if(!_arduino_event_task_handle){
log_e("Network Event Task Start Failed!");
return false;
}
}
if(esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &_arduino_event_cb, NULL, NULL)){
log_e("event_handler_instance_register for WIFI_EVENT Failed!");
return false;
}
if(esp_event_handler_instance_register(IP_EVENT, ESP_EVENT_ANY_ID, &_arduino_event_cb, NULL, NULL)){
log_e("event_handler_instance_register for IP_EVENT Failed!");
return false;
}
if(esp_event_handler_instance_register(SC_EVENT, ESP_EVENT_ANY_ID, &_arduino_event_cb, NULL, NULL)){
log_e("event_handler_instance_register for SC_EVENT Failed!");
return false;
}
#ifdef CONFIG_ETH_ENABLED
if(esp_event_handler_instance_register(ETH_EVENT, ESP_EVENT_ANY_ID, &_arduino_event_cb, NULL, NULL)){
log_e("event_handler_instance_register for ETH_EVENT Failed!");
return false;
}
#endif // CONFIG_ETH_ENABLED
if(esp_event_handler_instance_register(WIFI_PROV_EVENT, ESP_EVENT_ANY_ID, &_arduino_event_cb, NULL, NULL)){
log_e("event_handler_instance_register for WIFI_PROV_EVENT Failed!");
return false;
}
return true;
}
bool tcpipInit(){
static bool initialized = false;
if(!initialized){
initialized = true;
#if CONFIG_IDF_TARGET_ESP32
uint8_t mac[8];
if(esp_efuse_mac_get_default(mac) == ESP_OK){
esp_base_mac_addr_set(mac);
}
#endif
initialized = esp_netif_init() == ESP_OK;
if(initialized){
initialized = _start_network_event_task();
} else {
log_e("esp_netif_init failed!");
}
}
return initialized;
}
/*
* WiFi INIT
* */
static bool lowLevelInitDone = false;
bool WiFiGenericClass::_wifiUseStaticBuffers = false;
bool WiFiGenericClass::useStaticBuffers(){
return _wifiUseStaticBuffers;
}
void WiFiGenericClass::useStaticBuffers(bool bufferMode){
if (lowLevelInitDone) {
log_w("WiFi already started. Call WiFi.mode(WIFI_MODE_NULL) before setting Static Buffer Mode.");
}
_wifiUseStaticBuffers = bufferMode;
}
// Temporary fix to ensure that CDC+JTAG stay on on ESP32-C3
#if CONFIG_IDF_TARGET_ESP32C3
extern "C" void phy_bbpll_en_usb(bool en);
#endif
bool wifiLowLevelInit(bool persistent){
if(!lowLevelInitDone){
lowLevelInitDone = true;
if(!tcpipInit()){
lowLevelInitDone = false;
return lowLevelInitDone;
}
if(esp_netifs[ESP_IF_WIFI_AP] == NULL){
esp_netifs[ESP_IF_WIFI_AP] = esp_netif_create_default_wifi_ap();
}
if(esp_netifs[ESP_IF_WIFI_STA] == NULL){
esp_netifs[ESP_IF_WIFI_STA] = esp_netif_create_default_wifi_sta();
}
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
if(!WiFiGenericClass::useStaticBuffers()) {
cfg.static_tx_buf_num = 0;
cfg.dynamic_tx_buf_num = 32;
cfg.tx_buf_type = 1;
cfg.cache_tx_buf_num = 4; // can't be zero!
cfg.static_rx_buf_num = 4;
cfg.dynamic_rx_buf_num = 32;
}
esp_err_t err = esp_wifi_init(&cfg);
if(err){
log_e("esp_wifi_init %d", err);
lowLevelInitDone = false;
return lowLevelInitDone;
}
// Temporary fix to ensure that CDC+JTAG stay on on ESP32-C3
#if CONFIG_IDF_TARGET_ESP32C3
phy_bbpll_en_usb(true);
#endif
if(!persistent){
lowLevelInitDone = esp_wifi_set_storage(WIFI_STORAGE_RAM) == ESP_OK;
}
if(lowLevelInitDone){
arduino_event_t arduino_event;
arduino_event.event_id = ARDUINO_EVENT_WIFI_READY;
postArduinoEvent(&arduino_event);
}
}
return lowLevelInitDone;
}
static bool wifiLowLevelDeinit(){
if(lowLevelInitDone){
lowLevelInitDone = !(esp_wifi_deinit() == ESP_OK);
}
return !lowLevelInitDone;
}
static bool _esp_wifi_started = false;
static bool espWiFiStart(){
if(_esp_wifi_started){
return true;
}
_esp_wifi_started = true;
esp_err_t err = esp_wifi_start();
if (err != ESP_OK) {
_esp_wifi_started = false;
log_e("esp_wifi_start %d", err);
return _esp_wifi_started;
}
return _esp_wifi_started;
}
static bool espWiFiStop(){
esp_err_t err;
if(!_esp_wifi_started){
return true;
}
_esp_wifi_started = false;
err = esp_wifi_stop();
if(err){
log_e("Could not stop WiFi! %d", err);
_esp_wifi_started = true;
return false;
}
return wifiLowLevelDeinit();
}
// -----------------------------------------------------------------------------------------------------------------------
// ------------------------------------------------- Generic WiFi function -----------------------------------------------
// -----------------------------------------------------------------------------------------------------------------------
typedef struct WiFiEventCbList {
static wifi_event_id_t current_id;
wifi_event_id_t id;
WiFiEventCb cb;
WiFiEventFuncCb fcb;
WiFiEventSysCb scb;
arduino_event_id_t event;
WiFiEventCbList() : id(current_id++), cb(NULL), fcb(NULL), scb(NULL), event(ARDUINO_EVENT_WIFI_READY) {}
} WiFiEventCbList_t;
wifi_event_id_t WiFiEventCbList::current_id = 1;
// arduino dont like std::vectors move static here
static std::vector<WiFiEventCbList_t> cbEventList;
bool WiFiGenericClass::_persistent = true;
bool WiFiGenericClass::_long_range = false;
wifi_mode_t WiFiGenericClass::_forceSleepLastMode = WIFI_MODE_NULL;
#if CONFIG_IDF_TARGET_ESP32S2
wifi_ps_type_t WiFiGenericClass::_sleepEnabled = WIFI_PS_NONE;
#else
wifi_ps_type_t WiFiGenericClass::_sleepEnabled = WIFI_PS_MIN_MODEM;
#endif
WiFiGenericClass::WiFiGenericClass()
{
}
const char * WiFiGenericClass::getHostname()
{
return get_esp_netif_hostname();
}
bool WiFiGenericClass::setHostname(const char * hostname)
{
set_esp_netif_hostname(hostname);
return true;
}
int WiFiGenericClass::setStatusBits(int bits){
if(!_arduino_event_group){
return 0;
}
return xEventGroupSetBits(_arduino_event_group, bits);
}
int WiFiGenericClass::clearStatusBits(int bits){
if(!_arduino_event_group){
return 0;
}
return xEventGroupClearBits(_arduino_event_group, bits);
}
int WiFiGenericClass::getStatusBits(){
if(!_arduino_event_group){
return 0;
}
return xEventGroupGetBits(_arduino_event_group);
}
int WiFiGenericClass::waitStatusBits(int bits, uint32_t timeout_ms){
if(!_arduino_event_group){
return 0;
}
return xEventGroupWaitBits(
_arduino_event_group, // The event group being tested.
bits, // The bits within the event group to wait for.
pdFALSE, // BIT_0 and BIT_4 should be cleared before returning.
pdTRUE, // Don't wait for both bits, either bit will do.
timeout_ms / portTICK_PERIOD_MS ) & bits; // Wait a maximum of 100ms for either bit to be set.
}
/**
* set callback function
* @param cbEvent WiFiEventCb
* @param event optional filter (WIFI_EVENT_MAX is all events)
*/
wifi_event_id_t WiFiGenericClass::onEvent(WiFiEventCb cbEvent, arduino_event_id_t event)
{
if(!cbEvent) {
return 0;
}
WiFiEventCbList_t newEventHandler;
newEventHandler.cb = cbEvent;
newEventHandler.fcb = NULL;
newEventHandler.scb = NULL;
newEventHandler.event = event;
cbEventList.push_back(newEventHandler);
return newEventHandler.id;
}
wifi_event_id_t WiFiGenericClass::onEvent(WiFiEventFuncCb cbEvent, arduino_event_id_t event)
{
if(!cbEvent) {
return 0;
}
WiFiEventCbList_t newEventHandler;
newEventHandler.cb = NULL;
newEventHandler.fcb = cbEvent;
newEventHandler.scb = NULL;
newEventHandler.event = event;
cbEventList.push_back(newEventHandler);
return newEventHandler.id;
}
wifi_event_id_t WiFiGenericClass::onEvent(WiFiEventSysCb cbEvent, arduino_event_id_t event)
{
if(!cbEvent) {
return 0;
}
WiFiEventCbList_t newEventHandler;
newEventHandler.cb = NULL;
newEventHandler.fcb = NULL;
newEventHandler.scb = cbEvent;
newEventHandler.event = event;
cbEventList.push_back(newEventHandler);
return newEventHandler.id;
}
/**
* removes a callback form event handler
* @param cbEvent WiFiEventCb
* @param event optional filter (WIFI_EVENT_MAX is all events)
*/
void WiFiGenericClass::removeEvent(WiFiEventCb cbEvent, arduino_event_id_t event)
{
if(!cbEvent) {
return;
}
for(uint32_t i = 0; i < cbEventList.size(); i++) {
WiFiEventCbList_t entry = cbEventList[i];
if(entry.cb == cbEvent && entry.event == event) {
cbEventList.erase(cbEventList.begin() + i);
}
}
}
void WiFiGenericClass::removeEvent(WiFiEventSysCb cbEvent, arduino_event_id_t event)
{
if(!cbEvent) {
return;
}
for(uint32_t i = 0; i < cbEventList.size(); i++) {
WiFiEventCbList_t entry = cbEventList[i];
if(entry.scb == cbEvent && entry.event == event) {
cbEventList.erase(cbEventList.begin() + i);
}
}
}
void WiFiGenericClass::removeEvent(wifi_event_id_t id)
{
for(uint32_t i = 0; i < cbEventList.size(); i++) {
WiFiEventCbList_t entry = cbEventList[i];
if(entry.id == id) {
cbEventList.erase(cbEventList.begin() + i);
}
}
}
/**
* callback for WiFi events
* @param arg
*/
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_DEBUG
const char * arduino_event_names[] = {
"WIFI_READY",
"SCAN_DONE",
"STA_START", "STA_STOP", "STA_CONNECTED", "STA_DISCONNECTED", "STA_AUTHMODE_CHANGE", "STA_GOT_IP", "STA_GOT_IP6", "STA_LOST_IP",
"AP_START", "AP_STOP", "AP_STACONNECTED", "AP_STADISCONNECTED", "AP_STAIPASSIGNED", "AP_PROBEREQRECVED", "AP_GOT_IP6",
"FTM_REPORT",
"ETH_START", "ETH_STOP", "ETH_CONNECTED", "ETH_DISCONNECTED", "ETH_GOT_IP", "ETH_GOT_IP6",
"WPS_ER_SUCCESS", "WPS_ER_FAILED", "WPS_ER_TIMEOUT", "WPS_ER_PIN", "WPS_ER_PBC_OVERLAP",
"SC_SCAN_DONE", "SC_FOUND_CHANNEL", "SC_GOT_SSID_PSWD", "SC_SEND_ACK_DONE",
"PROV_INIT", "PROV_DEINIT", "PROV_START", "PROV_END", "PROV_CRED_RECV", "PROV_CRED_FAIL", "PROV_CRED_SUCCESS"
};
#endif
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_WARN
const char * system_event_reasons[] = { "UNSPECIFIED", "AUTH_EXPIRE", "AUTH_LEAVE", "ASSOC_EXPIRE", "ASSOC_TOOMANY", "NOT_AUTHED", "NOT_ASSOCED", "ASSOC_LEAVE", "ASSOC_NOT_AUTHED", "DISASSOC_PWRCAP_BAD", "DISASSOC_SUPCHAN_BAD", "UNSPECIFIED", "IE_INVALID", "MIC_FAILURE", "4WAY_HANDSHAKE_TIMEOUT", "GROUP_KEY_UPDATE_TIMEOUT", "IE_IN_4WAY_DIFFERS", "GROUP_CIPHER_INVALID", "PAIRWISE_CIPHER_INVALID", "AKMP_INVALID", "UNSUPP_RSN_IE_VERSION", "INVALID_RSN_IE_CAP", "802_1X_AUTH_FAILED", "CIPHER_SUITE_REJECTED", "BEACON_TIMEOUT", "NO_AP_FOUND", "AUTH_FAIL", "ASSOC_FAIL", "HANDSHAKE_TIMEOUT", "CONNECTION_FAIL" };
#define reason2str(r) ((r>176)?system_event_reasons[r-176]:system_event_reasons[r-1])
#endif
esp_err_t WiFiGenericClass::_eventCallback(arduino_event_t *event)
{
static bool first_connect = true;
if(event->event_id < ARDUINO_EVENT_MAX) {
log_d("Arduino Event: %d - %s", event->event_id, arduino_event_names[event->event_id]);
}
if(event->event_id == ARDUINO_EVENT_WIFI_SCAN_DONE) {
WiFiScanClass::_scanDone();
} else if(event->event_id == ARDUINO_EVENT_WIFI_STA_START) {
WiFiSTAClass::_setStatus(WL_DISCONNECTED);
setStatusBits(STA_STARTED_BIT);
if(esp_wifi_set_ps(_sleepEnabled) != ESP_OK){
log_e("esp_wifi_set_ps failed");
}
} else if(event->event_id == ARDUINO_EVENT_WIFI_STA_STOP) {
WiFiSTAClass::_setStatus(WL_NO_SHIELD);
clearStatusBits(STA_STARTED_BIT | STA_CONNECTED_BIT | STA_HAS_IP_BIT | STA_HAS_IP6_BIT);
} else if(event->event_id == ARDUINO_EVENT_WIFI_STA_CONNECTED) {
WiFiSTAClass::_setStatus(WL_IDLE_STATUS);
setStatusBits(STA_CONNECTED_BIT);
//esp_netif_create_ip6_linklocal(esp_netifs[ESP_IF_WIFI_STA]);
} else if(event->event_id == ARDUINO_EVENT_WIFI_STA_DISCONNECTED) {
uint8_t reason = event->event_info.wifi_sta_disconnected.reason;
// Reason 0 causes crash, use reason 1 (UNSPECIFIED) instead
if(!reason)
reason = WIFI_REASON_UNSPECIFIED;
log_w("Reason: %u - %s", reason, reason2str(reason));
if(reason == WIFI_REASON_NO_AP_FOUND) {
WiFiSTAClass::_setStatus(WL_NO_SSID_AVAIL);
} else if((reason == WIFI_REASON_AUTH_FAIL) && !first_connect){
WiFiSTAClass::_setStatus(WL_CONNECT_FAILED);
} else if(reason == WIFI_REASON_BEACON_TIMEOUT || reason == WIFI_REASON_HANDSHAKE_TIMEOUT) {
WiFiSTAClass::_setStatus(WL_CONNECTION_LOST);
} else if(reason == WIFI_REASON_AUTH_EXPIRE) {
} else {
WiFiSTAClass::_setStatus(WL_DISCONNECTED);
}
clearStatusBits(STA_CONNECTED_BIT | STA_HAS_IP_BIT | STA_HAS_IP6_BIT);
bool DoReconnect = false;
if(reason == WIFI_REASON_ASSOC_LEAVE) { //Voluntarily disconnected. Don't reconnect!
}
else if(first_connect) { //Retry once for all failure reasons
first_connect = false;
DoReconnect = true;
log_d("WiFi Reconnect Running");
}
else if(WiFi.getAutoReconnect() && _isReconnectableReason(reason)) {
DoReconnect = true;
log_d("WiFi AutoReconnect Running");
}
else if(reason == WIFI_REASON_ASSOC_FAIL) {
WiFiSTAClass::_setStatus(WL_CONNECT_FAILED);
}
if(DoReconnect) {
WiFi.disconnect();
WiFi.begin();
}
} else if(event->event_id == ARDUINO_EVENT_WIFI_STA_GOT_IP) {
#if ARDUHAL_LOG_LEVEL >= ARDUHAL_LOG_LEVEL_DEBUG
uint8_t * ip = (uint8_t *)&(event->event_info.got_ip.ip_info.ip.addr);
uint8_t * mask = (uint8_t *)&(event->event_info.got_ip.ip_info.netmask.addr);
uint8_t * gw = (uint8_t *)&(event->event_info.got_ip.ip_info.gw.addr);
log_d("STA IP: %u.%u.%u.%u, MASK: %u.%u.%u.%u, GW: %u.%u.%u.%u",
ip[0], ip[1], ip[2], ip[3],
mask[0], mask[1], mask[2], mask[3],
gw[0], gw[1], gw[2], gw[3]);