AP_HAL_ESP32: Update the WiFi init code to the newer ESP-IDF (4.2+) and

mostly by TByte007 from here, but fixed and re-tested.
https://github.com/ArduPilot/ardupilot/pull/24527/commits
This commit is contained in:
David Buzz 2024-01-07 16:57:43 +10:00 committed by Andrew Tridgell
parent 5560bd8ed8
commit 678474614f
3 changed files with 292 additions and 36 deletions

View File

@ -24,6 +24,7 @@
#include "esp_system.h" #include "esp_system.h"
#include "esp_wifi.h" #include "esp_wifi.h"
#include "esp_event.h" #include "esp_event.h"
#include "esp_log.h"
#include "nvs_flash.h" #include "nvs_flash.h"
#include "lwip/err.h" #include "lwip/err.h"
@ -208,31 +209,158 @@ bool WiFiDriver::write_data()
return true; return true;
} }
#if WIFI_STATION
#define WIFI_CONNECTED_BIT BIT0
#define WIFI_FAIL_BIT BIT1
#ifndef ESP_STATION_MAXIMUM_RETRY
#define ESP_STATION_MAXIMUM_RETRY 10
#endif
static const char *TAG = "wifi station";
static int s_retry_num = 0;
static EventGroupHandle_t s_wifi_event_group;
static void _sta_event_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
{
if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
esp_wifi_connect();
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
if (s_retry_num < ESP_STATION_MAXIMUM_RETRY) {
esp_wifi_connect();
s_retry_num++;
ESP_LOGI(TAG, "retry to connect to the AP");
} else {
xEventGroupSetBits(s_wifi_event_group, WIFI_FAIL_BIT);
}
ESP_LOGI(TAG,"connect to the AP fail");
} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
s_retry_num = 0;
xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
}
}
#endif
void WiFiDriver::initialize_wifi() void WiFiDriver::initialize_wifi()
{ {
tcpip_adapter_init(); #ifndef WIFI_PWD
nvs_flash_init(); #default WIFI_PWD "ardupilot1"
esp_event_loop_init(nullptr, nullptr); #endif
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT(); //Initialize NVS
esp_wifi_init(&cfg); esp_err_t ret = nvs_flash_init();
esp_wifi_set_storage(WIFI_STORAGE_FLASH); if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
ESP_ERROR_CHECK(nvs_flash_erase());
ret = nvs_flash_init();
}
ESP_ERROR_CHECK(ret);
ESP_ERROR_CHECK(esp_netif_init());
ESP_ERROR_CHECK(esp_event_loop_create_default());
wifi_config_t wifi_config; wifi_config_t wifi_config;
memset(&wifi_config, 0, sizeof(wifi_config)); bzero(&wifi_config, sizeof(wifi_config));
#ifdef WIFI_SSID
/*
Acting as an Access Point (softAP)
*/
#if !WIFI_STATION
#ifndef WIFI_SSID
#define WIFI_SSID "ardupilot"
#endif
#ifndef WIFI_CHANNEL
#define WIFI_CHANNEL 1
#endif
esp_netif_create_default_wifi_ap();
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
strcpy((char *)wifi_config.ap.ssid, WIFI_SSID); strcpy((char *)wifi_config.ap.ssid, WIFI_SSID);
#else
strcpy((char *)wifi_config.ap.ssid, "ardupilot");
#endif
#ifdef WIFI_PWD
strcpy((char *)wifi_config.ap.password, WIFI_PWD); strcpy((char *)wifi_config.ap.password, WIFI_PWD);
wifi_config.ap.ssid_len = strlen(WIFI_SSID),
wifi_config.ap.max_connection = WIFI_MAX_CONNECTION,
wifi_config.ap.authmode = WIFI_AUTH_WPA2_PSK;
wifi_config.ap.channel = WIFI_CHANNEL;
if (strlen(WIFI_PWD) == 0) {
wifi_config.ap.authmode = WIFI_AUTH_OPEN;
}
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_AP, &wifi_config));
ESP_ERROR_CHECK(esp_wifi_start());
hal.console->printf("WiFi softAP init finished. SSID: %s password: %s channel: %d\n",
wifi_config.ap.ssid, wifi_config.ap.password, wifi_config.ap.channel);
/*
Acting as a Station (WiFi Client)
*/
#else #else
strcpy((char *)wifi_config.ap.password, "ardupilot1"); #ifndef WIFI_SSID_STATION
#define WIFI_SSID_STATION "ardupilot"
#endif
#ifndef WIFI_HOSTNAME
#define WIFI_HOSTNAME "ArduPilotESP32"
#endif
s_wifi_event_group = xEventGroupCreate();
esp_netif_t *netif = esp_netif_create_default_wifi_sta();
esp_netif_set_hostname(netif, WIFI_HOSTNAME);
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
esp_event_handler_instance_t instance_any_id;
esp_event_handler_instance_t instance_got_ip;
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
ESP_EVENT_ANY_ID,
&_sta_event_handler,
NULL,
&instance_any_id));
ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
IP_EVENT_STA_GOT_IP,
&_sta_event_handler,
NULL,
&instance_got_ip));
strcpy((char *)wifi_config.sta.ssid, WIFI_SSID_STATION);
strcpy((char *)wifi_config.sta.password, WIFI_PWD);
wifi_config.sta.threshold.authmode = WIFI_AUTH_OPEN;
wifi_config.sta.sae_pwe_h2e = WPA3_SAE_PWE_BOTH;
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA) );
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config) );
ESP_ERROR_CHECK(esp_wifi_start() );
hal.console->printf("WiFi Station init finished. Connecting:\n");
/* Waiting until either the connection is established (WIFI_CONNECTED_BIT) or connection failed for the maximum
* number of re-tries (WIFI_FAIL_BIT). The bits are set by event_handler() (see above) */
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
pdFALSE, pdFALSE, portMAX_DELAY);
/* xEventGroupWaitBits() returns the bits before the call returned, hence we can test which event actually
* happened. */
if (bits & WIFI_CONNECTED_BIT) {
ESP_LOGI(TAG, "connected to ap SSID: %s password: %s",
wifi_config.sta.ssid, wifi_config.sta.password);
} else if (bits & WIFI_FAIL_BIT) {
ESP_LOGI(TAG, "Failed to connect to SSID: %s, password: %s",
wifi_config.sta.ssid, wifi_config.sta.password);
} else {
ESP_LOGE(TAG, "UNEXPECTED EVENT");
}
/* The event will not be processed after unregister */
ESP_ERROR_CHECK(esp_event_handler_instance_unregister(IP_EVENT, IP_EVENT_STA_GOT_IP, instance_got_ip));
ESP_ERROR_CHECK(esp_event_handler_instance_unregister(WIFI_EVENT, ESP_EVENT_ANY_ID, instance_any_id));
vEventGroupDelete(s_wifi_event_group);
#endif #endif
wifi_config.ap.authmode = WIFI_AUTH_WPA_WPA2_PSK;
wifi_config.ap.max_connection = WIFI_MAX_CONNECTION;
esp_wifi_set_mode(WIFI_MODE_AP);
esp_wifi_set_config(WIFI_IF_AP, &wifi_config);
esp_wifi_start();
} }
size_t WiFiDriver::_write(const uint8_t *buffer, size_t size) size_t WiFiDriver::_write(const uint8_t *buffer, size_t size)

View File

@ -178,33 +178,158 @@ bool WiFiUdpDriver::write_data()
return true; return true;
} }
#if WIFI_STATION
#define WIFI_CONNECTED_BIT BIT0
#define WIFI_FAIL_BIT BIT1
#ifndef ESP_STATION_MAXIMUM_RETRY
#define ESP_STATION_MAXIMUM_RETRY 10
#endif
static const char *TAG = "wifi station";
static int s_retry_num = 0;
static EventGroupHandle_t s_wifi_event_group;
static void _sta_event_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
{
if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
esp_wifi_connect();
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
if (s_retry_num < ESP_STATION_MAXIMUM_RETRY) {
esp_wifi_connect();
s_retry_num++;
ESP_LOGI(TAG, "retry to connect to the AP");
} else {
xEventGroupSetBits(s_wifi_event_group, WIFI_FAIL_BIT);
}
ESP_LOGI(TAG,"connect to the AP fail");
} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
s_retry_num = 0;
xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
}
}
#endif
void WiFiUdpDriver::initialize_wifi() void WiFiUdpDriver::initialize_wifi()
{ {
esp_event_loop_init(nullptr, nullptr); #ifndef WIFI_PWD
#default WIFI_PWD "ardupilot1"
#endif
//Initialize NVS
esp_err_t ret = nvs_flash_init();
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
ESP_ERROR_CHECK(nvs_flash_erase());
ret = nvs_flash_init();
}
ESP_ERROR_CHECK(ret);
tcpip_adapter_init(); ESP_ERROR_CHECK(esp_netif_init());
nvs_flash_init(); ESP_ERROR_CHECK(esp_event_loop_create_default());
wifi_config_t wifi_config;
bzero(&wifi_config, sizeof(wifi_config));
/*
Acting as an Access Point (softAP)
*/
#if !WIFI_STATION
#ifndef WIFI_SSID
#define WIFI_SSID "ardupilot"
#endif
#ifndef WIFI_CHANNEL
#define WIFI_CHANNEL 1
#endif
esp_netif_create_default_wifi_ap();
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT(); wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
esp_wifi_init(&cfg); ESP_ERROR_CHECK(esp_wifi_init(&cfg));
esp_wifi_set_storage(WIFI_STORAGE_FLASH);
wifi_config_t wifi_config;
memset(&wifi_config, 0, sizeof(wifi_config));
#ifdef WIFI_SSID
strcpy((char *)wifi_config.ap.ssid, WIFI_SSID); strcpy((char *)wifi_config.ap.ssid, WIFI_SSID);
#else
strcpy((char *)wifi_config.ap.ssid, "ardupilot");
#endif
#ifdef WIFI_PWD
strcpy((char *)wifi_config.ap.password, WIFI_PWD); strcpy((char *)wifi_config.ap.password, WIFI_PWD);
wifi_config.ap.ssid_len = strlen(WIFI_SSID),
wifi_config.ap.max_connection = WIFI_MAX_CONNECTION,
wifi_config.ap.authmode = WIFI_AUTH_WPA2_PSK;
wifi_config.ap.channel = WIFI_CHANNEL;
if (strlen(WIFI_PWD) == 0) {
wifi_config.ap.authmode = WIFI_AUTH_OPEN;
}
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_AP, &wifi_config));
ESP_ERROR_CHECK(esp_wifi_start());
hal.console->printf("WiFi softAP init finished. SSID: %s password: %s channel: %d\n",
wifi_config.ap.ssid, wifi_config.ap.password, wifi_config.ap.channel);
/*
Acting as a Station (WiFi Client)
*/
#else #else
strcpy((char *)wifi_config.ap.password, "ardupilot1"); #ifndef WIFI_SSID_STATION
#define WIFI_SSID_STATION "ardupilot"
#endif
#ifndef WIFI_HOSTNAME
#define WIFI_HOSTNAME "ArduPilotESP32"
#endif
s_wifi_event_group = xEventGroupCreate();
esp_netif_t *netif = esp_netif_create_default_wifi_sta();
esp_netif_set_hostname(netif, WIFI_HOSTNAME);
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
esp_event_handler_instance_t instance_any_id;
esp_event_handler_instance_t instance_got_ip;
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
ESP_EVENT_ANY_ID,
&_sta_event_handler,
NULL,
&instance_any_id));
ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
IP_EVENT_STA_GOT_IP,
&_sta_event_handler,
NULL,
&instance_got_ip));
strcpy((char *)wifi_config.sta.ssid, WIFI_SSID_STATION);
strcpy((char *)wifi_config.sta.password, WIFI_PWD);
wifi_config.sta.threshold.authmode = WIFI_AUTH_OPEN;
wifi_config.sta.sae_pwe_h2e = WPA3_SAE_PWE_BOTH;
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA) );
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config) );
ESP_ERROR_CHECK(esp_wifi_start() );
hal.console->printf("WiFi Station init finished. Connecting:\n");
/* Waiting until either the connection is established (WIFI_CONNECTED_BIT) or connection failed for the maximum
* number of re-tries (WIFI_FAIL_BIT). The bits are set by event_handler() (see above) */
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
pdFALSE, pdFALSE, portMAX_DELAY);
/* xEventGroupWaitBits() returns the bits before the call returned, hence we can test which event actually
* happened. */
if (bits & WIFI_CONNECTED_BIT) {
ESP_LOGI(TAG, "connected to ap SSID: %s password: %s",
wifi_config.sta.ssid, wifi_config.sta.password);
} else if (bits & WIFI_FAIL_BIT) {
ESP_LOGI(TAG, "Failed to connect to SSID: %s, password: %s",
wifi_config.sta.ssid, wifi_config.sta.password);
} else {
ESP_LOGE(TAG, "UNEXPECTED EVENT");
}
/* The event will not be processed after unregister */
ESP_ERROR_CHECK(esp_event_handler_instance_unregister(IP_EVENT, IP_EVENT_STA_GOT_IP, instance_got_ip));
ESP_ERROR_CHECK(esp_event_handler_instance_unregister(WIFI_EVENT, ESP_EVENT_ANY_ID, instance_any_id));
vEventGroupDelete(s_wifi_event_group);
#endif #endif
wifi_config.ap.authmode = WIFI_AUTH_WPA_WPA2_PSK;
wifi_config.ap.max_connection = 4;
esp_wifi_set_mode(WIFI_MODE_AP);
esp_wifi_set_config(WIFI_IF_AP, &wifi_config);
esp_wifi_start();
} }
size_t WiFiUdpDriver::_write(const uint8_t *buffer, size_t size) size_t WiFiUdpDriver::_write(const uint8_t *buffer, size_t size)

View File

@ -22,6 +22,9 @@
#include "lwip/sockets.h" #include "lwip/sockets.h"
#include "esp_event.h" #include "esp_event.h"
#ifndef WIFI_MAX_CONNECTION
#define WIFI_MAX_CONNECTION 5
#endif
class ESP32::WiFiUdpDriver : public AP_HAL::UARTDriver class ESP32::WiFiUdpDriver : public AP_HAL::UARTDriver
{ {