757 lines
25 KiB
C++
757 lines
25 KiB
C++
#ifdef ESP_TARGET
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#include "Wifi.h"
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#include "MessageQueue.h"
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#include "Mutex.h"
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#include "Check.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/event_groups.h"
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#include "Log.h"
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#include "Pubsub.h"
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#include "service/Service.h"
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#include "WifiSettings.h"
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#include <atomic>
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#include <cstring>
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#include <sys/cdefs.h>
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#include <TactilityCore.h>
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namespace tt::service::wifi {
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#define TAG "wifi_service"
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#define WIFI_CONNECTED_BIT BIT0
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#define WIFI_FAIL_BIT BIT1
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typedef enum {
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WifiMessageTypeRadioOn,
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WifiMessageTypeRadioOff,
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WifiMessageTypeScan,
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WifiMessageTypeConnect,
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WifiMessageTypeDisconnect,
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WifiMessageTypeAutoConnect,
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} WifiMessageType;
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typedef struct {
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} WifiConnectMessage;
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typedef struct {
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WifiMessageType type;
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union {
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WifiConnectMessage connect_message;
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};
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} WifiMessage;
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class Wifi {
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public:
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Wifi();
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~Wifi();
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std::atomic<WifiRadioState> radio_state;
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/** @brief Locking mechanism for modifying the Wifi instance */
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Mutex mutex = Mutex(MutexTypeRecursive);
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/** @brief The public event bus */
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PubSub* pubsub = nullptr;
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/** @brief The internal message queue */
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MessageQueue queue = MessageQueue(1, sizeof(WifiMessage));
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// TODO: Deal with messages that come in while an action is ongoing
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// for example: when scanning and you turn off the radio, the scan should probably stop or turning off
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// the radio should disable the on/off button in the app as it is pending.
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/** @brief The network interface when wifi is started */
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esp_netif_t* _Nullable netif = nullptr;
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/** @brief Scanning results */
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wifi_ap_record_t* _Nullable scan_list = nullptr;
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/** @brief The current item count in scan_list (-1 when scan_list is NULL) */
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uint16_t scan_list_count = 0;
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/** @brief Maximum amount of records to scan (value > 0) */
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uint16_t scan_list_limit = TT_WIFI_SCAN_RECORD_LIMIT;
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bool scan_active = false;
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bool secure_connection = false;
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esp_event_handler_instance_t event_handler_any_id = nullptr;
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esp_event_handler_instance_t event_handler_got_ip = nullptr;
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EventFlag connection_wait_flags;
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settings::WifiApSettings connection_target = {
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.ssid = { 0 },
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.password = { 0 },
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.auto_connect = false
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};
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bool connection_target_remember = false; // Whether to store the connection_target on successful connection or not
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};
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static Wifi* wifi_singleton = nullptr;
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// Forward declarations
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static void scan_list_free_safely(Wifi* wifi);
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static void disconnect_internal_but_keep_active(Wifi* wifi);
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static void lock(Wifi* wifi);
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static void unlock(Wifi* wifi);
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// region Alloc
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Wifi::Wifi() : radio_state(WIFI_RADIO_OFF) {
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pubsub = tt_pubsub_alloc();
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}
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Wifi::~Wifi() {
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tt_pubsub_free(pubsub);
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}
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// endregion Alloc
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// region Public functions
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PubSub* get_pubsub() {
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tt_assert(wifi_singleton);
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return wifi_singleton->pubsub;
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}
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WifiRadioState get_radio_state() {
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tt_assert(wifi_singleton);
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lock(wifi_singleton);
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WifiRadioState state = wifi_singleton->radio_state;
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unlock(wifi_singleton);
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return state;
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}
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void scan() {
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tt_assert(wifi_singleton);
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lock(wifi_singleton);
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WifiMessage message = {.type = WifiMessageTypeScan};
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// No need to lock for queue
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wifi_singleton->queue.put(&message, 100 / portTICK_PERIOD_MS);
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unlock(wifi_singleton);
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}
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bool is_scanning() {
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tt_assert(wifi_singleton);
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lock(wifi_singleton);
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bool is_scanning = wifi_singleton->scan_active;
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unlock(wifi_singleton);
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return is_scanning;
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}
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void connect(const settings::WifiApSettings* ap, bool remember) {
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tt_assert(wifi_singleton);
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lock(wifi_singleton);
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memcpy(&wifi_singleton->connection_target, ap, sizeof(settings::WifiApSettings));
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wifi_singleton->connection_target_remember = remember;
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WifiMessage message = {.type = WifiMessageTypeConnect};
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wifi_singleton->queue.put(&message, 100 / portTICK_PERIOD_MS);
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unlock(wifi_singleton);
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}
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void disconnect() {
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tt_assert(wifi_singleton);
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lock(wifi_singleton);
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wifi_singleton->connection_target = (settings::WifiApSettings) {
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.ssid = { 0 },
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.password = { 0 },
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.auto_connect = false
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};
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WifiMessage message = {.type = WifiMessageTypeDisconnect};
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wifi_singleton->queue.put(&message, 100 / portTICK_PERIOD_MS);
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unlock(wifi_singleton);
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}
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void set_scan_records(uint16_t records) {
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tt_assert(wifi_singleton);
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lock(wifi_singleton);
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if (records != wifi_singleton->scan_list_limit) {
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scan_list_free_safely(wifi_singleton);
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wifi_singleton->scan_list_limit = records;
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}
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unlock(wifi_singleton);
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}
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void get_scan_results(WifiApRecord records[], uint16_t limit, uint16_t* result_count) {
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tt_assert(wifi_singleton);
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tt_assert(result_count);
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lock(wifi_singleton);
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if (wifi_singleton->scan_list_count == 0) {
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*result_count = 0;
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} else {
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uint16_t i = 0;
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TT_LOG_I(TAG, "processing up to %d APs", wifi_singleton->scan_list_count);
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uint16_t last_index = TT_MIN(wifi_singleton->scan_list_count, limit);
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for (; i < last_index; ++i) {
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memcpy(records[i].ssid, wifi_singleton->scan_list[i].ssid, 33);
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records[i].rssi = wifi_singleton->scan_list[i].rssi;
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records[i].auth_mode = wifi_singleton->scan_list[i].authmode;
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}
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// The index already overflowed right before the for-loop was terminated,
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// so it effectively became the list count:
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*result_count = i;
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}
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unlock(wifi_singleton);
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}
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void set_enabled(bool enabled) {
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tt_assert(wifi_singleton);
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lock(wifi_singleton);
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if (enabled) {
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WifiMessage message = {.type = WifiMessageTypeRadioOn};
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// No need to lock for queue
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wifi_singleton->queue.put(&message, 100 / portTICK_PERIOD_MS);
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} else {
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WifiMessage message = {.type = WifiMessageTypeRadioOff};
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// No need to lock for queue
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wifi_singleton->queue.put(&message, 100 / portTICK_PERIOD_MS);
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}
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unlock(wifi_singleton);
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}
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bool is_connection_secure() {
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tt_assert(wifi_singleton);
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lock(wifi_singleton);
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bool is_secure = wifi_singleton->secure_connection;
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unlock(wifi_singleton);
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return is_secure;
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}
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int get_rssi() {
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tt_assert(wifi_singleton);
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static int rssi = 0;
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if (esp_wifi_sta_get_rssi(&rssi) == ESP_OK) {
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return rssi;
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} else {
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return 1;
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}
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}
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// endregion Public functions
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static void lock(Wifi* wifi) {
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tt_assert(wifi);
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wifi->mutex.acquire(ms_to_ticks(100));
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}
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static void unlock(Wifi* wifi) {
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tt_assert(wifi);
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wifi->mutex.release();
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}
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static void scan_list_alloc(Wifi* wifi) {
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tt_assert(wifi->scan_list == nullptr);
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wifi->scan_list = static_cast<wifi_ap_record_t*>(malloc(sizeof(wifi_ap_record_t) * wifi->scan_list_limit));
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wifi->scan_list_count = 0;
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}
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static void scan_list_alloc_safely(Wifi* wifi) {
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if (wifi->scan_list == nullptr) {
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scan_list_alloc(wifi);
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}
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}
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static void scan_list_free(Wifi* wifi) {
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tt_assert(wifi->scan_list != nullptr);
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free(wifi->scan_list);
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wifi->scan_list = nullptr;
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wifi->scan_list_count = 0;
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}
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static void scan_list_free_safely(Wifi* wifi) {
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if (wifi->scan_list != nullptr) {
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scan_list_free(wifi);
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}
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}
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static void publish_event_simple(Wifi* wifi, WifiEventType type) {
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WifiEvent turning_on_event = {.type = type};
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tt_pubsub_publish(wifi->pubsub, &turning_on_event);
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}
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static bool copy_scan_list(Wifi* wifi) {
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if ((wifi->radio_state == WIFI_RADIO_ON || wifi->radio_state == WIFI_RADIO_CONNECTION_ACTIVE) && wifi->scan_active) {
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// Create scan list if it does not exist
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scan_list_alloc_safely(wifi);
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wifi->scan_list_count = 0;
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uint16_t record_count = wifi->scan_list_limit;
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ESP_ERROR_CHECK(esp_wifi_scan_get_ap_records(&record_count, wifi->scan_list));
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uint16_t safe_record_count = TT_MIN(wifi->scan_list_limit, record_count);
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wifi->scan_list_count = safe_record_count;
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TT_LOG_I(TAG, "Scanned %u APs. Showing %u:", record_count, safe_record_count);
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for (uint16_t i = 0; i < safe_record_count; i++) {
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wifi_ap_record_t* record = &wifi->scan_list[i];
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TT_LOG_I(TAG, " - SSID %s (RSSI %d, channel %d)", record->ssid, record->rssi, record->primary);
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}
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return true;
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} else {
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return false;
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}
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}
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static void auto_connect(Wifi* wifi) {
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for (int i = 0; i < wifi->scan_list_count; ++i) {
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auto ssid = reinterpret_cast<const char*>(wifi->scan_list[i].ssid);
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if (settings::contains(ssid)) {
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static_assert(sizeof(wifi->scan_list[i].ssid) == (TT_WIFI_SSID_LIMIT + 1), "SSID size mismatch");
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settings::WifiApSettings ap_settings;
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if (settings::load(ssid, &ap_settings)) {
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if (ap_settings.auto_connect) {
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TT_LOG_I(TAG, "Auto-connecting to %s", ap_settings.ssid);
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connect(&ap_settings, false);
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}
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} else {
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TT_LOG_E(TAG, "Failed to load credentials for ssid %s", ssid);
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}
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break;
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}
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}
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}
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static void event_handler(TT_UNUSED void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data) {
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lock(wifi_singleton);
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if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
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TT_LOG_I(TAG, "event_handler: sta start");
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if (wifi_singleton->radio_state == WIFI_RADIO_CONNECTION_PENDING) {
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esp_wifi_connect();
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}
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} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
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if (wifi_singleton->radio_state != WIFI_RADIO_OFF_PENDING) {
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wifi_singleton->connection_wait_flags.set(WIFI_FAIL_BIT);
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TT_LOG_I(TAG, "event_handler: disconnected");
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wifi_singleton->radio_state = WIFI_RADIO_ON;
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publish_event_simple(wifi_singleton, WifiEventTypeDisconnected);
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}
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} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
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auto* event = static_cast<ip_event_got_ip_t*>(event_data);
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TT_LOG_I(TAG, "event_handler: got ip:" IPSTR, IP2STR(&event->ip_info.ip));
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wifi_singleton->connection_wait_flags.set(WIFI_CONNECTED_BIT);
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} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_SCAN_DONE) {
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auto* event = static_cast<wifi_event_sta_scan_done_t*>(event_data);
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TT_LOG_I(TAG, "event_handler: wifi scanning done (scan id %u)", event->scan_id);
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bool copied_list = copy_scan_list(wifi_singleton);
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if (
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wifi_singleton->radio_state != WIFI_RADIO_OFF &&
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wifi_singleton->radio_state != WIFI_RADIO_OFF_PENDING
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) {
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wifi_singleton->scan_active = false;
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esp_wifi_scan_stop();
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}
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publish_event_simple(wifi_singleton, WifiEventTypeScanFinished);
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TT_LOG_I(TAG, "Finished scan");
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if (copied_list && wifi_singleton->radio_state == WIFI_RADIO_ON) {
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WifiMessage message = {.type = WifiMessageTypeAutoConnect};
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// No need to lock for queue
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wifi_singleton->queue.put(&message, 100 / portTICK_PERIOD_MS);
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}
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}
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unlock(wifi_singleton);
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}
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static void enable(Wifi* wifi) {
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WifiRadioState state = wifi->radio_state;
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if (
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state == WIFI_RADIO_ON ||
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state == WIFI_RADIO_ON_PENDING ||
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state == WIFI_RADIO_OFF_PENDING
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) {
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TT_LOG_W(TAG, "Can't enable from current state");
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return;
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}
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TT_LOG_I(TAG, "Enabling");
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wifi->radio_state = WIFI_RADIO_ON_PENDING;
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publish_event_simple(wifi, WifiEventTypeRadioStateOnPending);
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if (wifi->netif != nullptr) {
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esp_netif_destroy(wifi->netif);
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}
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wifi->netif = esp_netif_create_default_wifi_sta();
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// Warning: this is the memory-intensive operation
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// It uses over 117kB of RAM with default settings for S3 on IDF v5.1.2
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wifi_init_config_t config = WIFI_INIT_CONFIG_DEFAULT();
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esp_err_t init_result = esp_wifi_init(&config);
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if (init_result != ESP_OK) {
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TT_LOG_E(TAG, "Wifi init failed");
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if (init_result == ESP_ERR_NO_MEM) {
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TT_LOG_E(TAG, "Insufficient memory");
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}
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wifi->radio_state = WIFI_RADIO_OFF;
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publish_event_simple(wifi, WifiEventTypeRadioStateOff);
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return;
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}
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esp_wifi_set_storage(WIFI_STORAGE_RAM);
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// TODO: don't crash on check failure
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ESP_ERROR_CHECK(esp_event_handler_instance_register(
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WIFI_EVENT,
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ESP_EVENT_ANY_ID,
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&event_handler,
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nullptr,
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&wifi->event_handler_any_id
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));
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// TODO: don't crash on check failure
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ESP_ERROR_CHECK(esp_event_handler_instance_register(
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IP_EVENT,
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IP_EVENT_STA_GOT_IP,
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&event_handler,
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nullptr,
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&wifi->event_handler_got_ip
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));
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if (esp_wifi_set_mode(WIFI_MODE_STA) != ESP_OK) {
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TT_LOG_E(TAG, "Wifi mode setting failed");
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wifi->radio_state = WIFI_RADIO_OFF;
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esp_wifi_deinit();
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publish_event_simple(wifi, WifiEventTypeRadioStateOff);
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return;
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}
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esp_err_t start_result = esp_wifi_start();
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if (start_result != ESP_OK) {
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TT_LOG_E(TAG, "Wifi start failed");
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if (start_result == ESP_ERR_NO_MEM) {
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TT_LOG_E(TAG, "Insufficient memory");
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}
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wifi->radio_state = WIFI_RADIO_OFF;
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esp_wifi_set_mode(WIFI_MODE_NULL);
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esp_wifi_deinit();
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publish_event_simple(wifi, WifiEventTypeRadioStateOff);
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return;
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}
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wifi->radio_state = WIFI_RADIO_ON;
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publish_event_simple(wifi, WifiEventTypeRadioStateOn);
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TT_LOG_I(TAG, "Enabled");
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}
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static void disable(Wifi* wifi) {
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WifiRadioState state = wifi->radio_state;
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if (
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state == WIFI_RADIO_OFF ||
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state == WIFI_RADIO_OFF_PENDING ||
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state == WIFI_RADIO_ON_PENDING
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) {
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TT_LOG_W(TAG, "Can't disable from current state");
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return;
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}
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TT_LOG_I(TAG, "Disabling");
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wifi->radio_state = WIFI_RADIO_OFF_PENDING;
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publish_event_simple(wifi, WifiEventTypeRadioStateOffPending);
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// Free up scan list memory
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scan_list_free_safely(wifi_singleton);
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if (esp_wifi_stop() != ESP_OK) {
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TT_LOG_E(TAG, "Failed to stop radio");
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wifi->radio_state = WIFI_RADIO_ON;
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publish_event_simple(wifi, WifiEventTypeRadioStateOn);
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return;
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}
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if (esp_wifi_set_mode(WIFI_MODE_NULL) != ESP_OK) {
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TT_LOG_E(TAG, "Failed to unset mode");
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}
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if (esp_event_handler_instance_unregister(
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WIFI_EVENT,
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ESP_EVENT_ANY_ID,
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wifi->event_handler_any_id
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) != ESP_OK) {
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TT_LOG_E(TAG, "Failed to unregister id event handler");
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}
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if (esp_event_handler_instance_unregister(
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IP_EVENT,
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IP_EVENT_STA_GOT_IP,
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wifi->event_handler_got_ip
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) != ESP_OK) {
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TT_LOG_E(TAG, "Failed to unregister ip event handler");
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}
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if (esp_wifi_deinit() != ESP_OK) {
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TT_LOG_E(TAG, "Failed to deinit");
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}
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tt_assert(wifi->netif != nullptr);
|
|
esp_netif_destroy(wifi->netif);
|
|
wifi->netif = nullptr;
|
|
wifi->scan_active = false;
|
|
wifi->radio_state = WIFI_RADIO_OFF;
|
|
publish_event_simple(wifi, WifiEventTypeRadioStateOff);
|
|
TT_LOG_I(TAG, "Disabled");
|
|
}
|
|
|
|
static void scan_internal(Wifi* wifi) {
|
|
WifiRadioState state = wifi->radio_state;
|
|
if (state != WIFI_RADIO_ON && state != WIFI_RADIO_CONNECTION_ACTIVE && state != WIFI_RADIO_CONNECTION_PENDING) {
|
|
TT_LOG_W(TAG, "Scan unavailable: wifi not enabled");
|
|
return;
|
|
}
|
|
|
|
if (!wifi->scan_active) {
|
|
if (esp_wifi_scan_start(nullptr, false) == ESP_OK) {
|
|
TT_LOG_I(TAG, "Starting scan");
|
|
wifi->scan_active = true;
|
|
publish_event_simple(wifi, WifiEventTypeScanStarted);
|
|
} else {
|
|
TT_LOG_I(TAG, "Can't start scan");
|
|
}
|
|
} else {
|
|
TT_LOG_W(TAG, "Scan already pending");
|
|
}
|
|
}
|
|
|
|
static void connect_internal(Wifi* wifi) {
|
|
TT_LOG_I(TAG, "Connecting to %s", wifi->connection_target.ssid);
|
|
|
|
// Stop radio first, if needed
|
|
WifiRadioState radio_state = wifi->radio_state;
|
|
if (
|
|
radio_state == WIFI_RADIO_ON ||
|
|
radio_state == WIFI_RADIO_CONNECTION_ACTIVE ||
|
|
radio_state == WIFI_RADIO_CONNECTION_PENDING
|
|
) {
|
|
TT_LOG_I(TAG, "Connecting: Stopping radio first");
|
|
esp_err_t stop_result = esp_wifi_stop();
|
|
wifi->scan_active = false;
|
|
if (stop_result != ESP_OK) {
|
|
TT_LOG_E(TAG, "Connecting: Failed to disconnect (%s)", esp_err_to_name(stop_result));
|
|
return;
|
|
}
|
|
}
|
|
|
|
wifi->radio_state = WIFI_RADIO_CONNECTION_PENDING;
|
|
|
|
publish_event_simple(wifi, WifiEventTypeConnectionPending);
|
|
|
|
wifi_config_t wifi_config = {
|
|
.sta = {
|
|
/* Authmode threshold resets to WPA2 as default if password matches WPA2 standards (pasword len => 8).
|
|
* If you want to connect the device to deprecated WEP/WPA networks, Please set the threshold value
|
|
* to WIFI_AUTH_WEP/WIFI_AUTH_WPA_PSK and set the password with length and format matching to
|
|
* WIFI_AUTH_WEP/WIFI_AUTH_WPA_PSK standards.
|
|
*/
|
|
.ssid = {0},
|
|
.password = {0},
|
|
.scan_method = WIFI_ALL_CHANNEL_SCAN,
|
|
.bssid_set = false,
|
|
.bssid = { 0 },
|
|
.channel = 0,
|
|
.listen_interval = 0,
|
|
.sort_method = WIFI_CONNECT_AP_BY_SIGNAL,
|
|
.threshold = {
|
|
.rssi = 0,
|
|
.authmode = WIFI_AUTH_WPA2_WPA3_PSK,
|
|
},
|
|
.pmf_cfg = {
|
|
.capable = false,
|
|
.required = false
|
|
},
|
|
.rm_enabled = 0,
|
|
.btm_enabled = 0,
|
|
.mbo_enabled = 0,
|
|
.ft_enabled = 0,
|
|
.owe_enabled = 0,
|
|
.transition_disable = 0,
|
|
.reserved = 0,
|
|
.sae_pwe_h2e = WPA3_SAE_PWE_BOTH,
|
|
.sae_pk_mode = WPA3_SAE_PK_MODE_AUTOMATIC,
|
|
.failure_retry_cnt = 1,
|
|
.he_dcm_set = 0,
|
|
.he_dcm_max_constellation_tx = 0,
|
|
.he_dcm_max_constellation_rx = 0,
|
|
.he_mcs9_enabled = 0,
|
|
.he_su_beamformee_disabled = 0,
|
|
.he_trig_su_bmforming_feedback_disabled = 0,
|
|
.he_trig_mu_bmforming_partial_feedback_disabled = 0,
|
|
.he_trig_cqi_feedback_disabled = 0,
|
|
.he_reserved = 0,
|
|
.sae_h2e_identifier = {0},
|
|
}
|
|
};
|
|
|
|
static_assert(sizeof(wifi_config.sta.ssid) == (sizeof(wifi_singleton->connection_target.ssid)-1), "SSID size mismatch");
|
|
memcpy(wifi_config.sta.ssid, wifi_singleton->connection_target.ssid, sizeof(wifi_config.sta.ssid));
|
|
memcpy(wifi_config.sta.password, wifi_singleton->connection_target.password, sizeof(wifi_config.sta.password));
|
|
|
|
wifi->secure_connection = (wifi_config.sta.password[0] != 0x00);
|
|
|
|
esp_err_t set_config_result = esp_wifi_set_config(WIFI_IF_STA, &wifi_config);
|
|
if (set_config_result != ESP_OK) {
|
|
wifi->radio_state = WIFI_RADIO_ON;
|
|
TT_LOG_E(TAG, "failed to set wifi config (%s)", esp_err_to_name(set_config_result));
|
|
publish_event_simple(wifi, WifiEventTypeConnectionFailed);
|
|
return;
|
|
}
|
|
|
|
esp_err_t wifi_start_result = esp_wifi_start();
|
|
if (wifi_start_result != ESP_OK) {
|
|
wifi->radio_state = WIFI_RADIO_ON;
|
|
TT_LOG_E(TAG, "failed to start wifi to begin connecting (%s)", esp_err_to_name(wifi_start_result));
|
|
publish_event_simple(wifi, WifiEventTypeConnectionFailed);
|
|
return;
|
|
}
|
|
|
|
/* 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 wifi_event_handler() */
|
|
uint32_t bits = wifi_singleton->connection_wait_flags.wait(WIFI_FAIL_BIT | WIFI_CONNECTED_BIT);
|
|
|
|
if (bits & WIFI_CONNECTED_BIT) {
|
|
wifi->radio_state = WIFI_RADIO_CONNECTION_ACTIVE;
|
|
publish_event_simple(wifi, WifiEventTypeConnectionSuccess);
|
|
TT_LOG_I(TAG, "Connected to %s", wifi->connection_target.ssid);
|
|
if (wifi->connection_target_remember) {
|
|
if (!settings::save(&wifi->connection_target)) {
|
|
TT_LOG_E(TAG, "Failed to store credentials");
|
|
} else {
|
|
TT_LOG_I(TAG, "Stored credentials");
|
|
}
|
|
}
|
|
} else if (bits & WIFI_FAIL_BIT) {
|
|
wifi->radio_state = WIFI_RADIO_ON;
|
|
publish_event_simple(wifi, WifiEventTypeConnectionFailed);
|
|
TT_LOG_I(TAG, "Failed to connect to %s", wifi->connection_target.ssid);
|
|
} else {
|
|
wifi->radio_state = WIFI_RADIO_ON;
|
|
publish_event_simple(wifi, WifiEventTypeConnectionFailed);
|
|
TT_LOG_E(TAG, "UNEXPECTED EVENT");
|
|
}
|
|
|
|
wifi_singleton->connection_wait_flags.clear(WIFI_FAIL_BIT | WIFI_CONNECTED_BIT);
|
|
}
|
|
|
|
static void disconnect_internal_but_keep_active(Wifi* wifi) {
|
|
esp_err_t stop_result = esp_wifi_stop();
|
|
if (stop_result != ESP_OK) {
|
|
TT_LOG_E(TAG, "Failed to disconnect (%s)", esp_err_to_name(stop_result));
|
|
return;
|
|
}
|
|
|
|
wifi_config_t wifi_config = {
|
|
.sta = {
|
|
.ssid = {0},
|
|
.password = {0},
|
|
.threshold = {
|
|
.rssi = 0,
|
|
.authmode = WIFI_AUTH_OPEN,
|
|
},
|
|
.sae_pwe_h2e = WPA3_SAE_PWE_UNSPECIFIED,
|
|
.sae_h2e_identifier = {0},
|
|
},
|
|
};
|
|
|
|
esp_err_t set_config_result = esp_wifi_set_config(WIFI_IF_STA, &wifi_config);
|
|
if (set_config_result != ESP_OK) {
|
|
// TODO: disable radio, because radio state is in limbo between off and on
|
|
wifi->radio_state = WIFI_RADIO_OFF;
|
|
TT_LOG_E(TAG, "failed to set wifi config (%s)", esp_err_to_name(set_config_result));
|
|
publish_event_simple(wifi, WifiEventTypeRadioStateOff);
|
|
return;
|
|
}
|
|
|
|
esp_err_t wifi_start_result = esp_wifi_start();
|
|
if (wifi_start_result != ESP_OK) {
|
|
// TODO: disable radio, because radio state is in limbo between off and on
|
|
wifi->radio_state = WIFI_RADIO_OFF;
|
|
TT_LOG_E(TAG, "failed to start wifi to begin connecting (%s)", esp_err_to_name(wifi_start_result));
|
|
publish_event_simple(wifi, WifiEventTypeRadioStateOff);
|
|
return;
|
|
}
|
|
|
|
wifi->radio_state = WIFI_RADIO_ON;
|
|
publish_event_simple(wifi, WifiEventTypeDisconnected);
|
|
TT_LOG_I(TAG, "Disconnected");
|
|
}
|
|
|
|
// ESP Wi-Fi APIs need to run from the main task, so we can't just spawn a thread
|
|
_Noreturn int32_t wifi_main(TT_UNUSED void* parameter) {
|
|
TT_LOG_I(TAG, "Started main loop");
|
|
tt_assert(wifi_singleton != nullptr);
|
|
Wifi* wifi = wifi_singleton;
|
|
MessageQueue& queue = wifi->queue;
|
|
|
|
if (TT_WIFI_AUTO_ENABLE) {
|
|
enable(wifi);
|
|
scan_internal(wifi);
|
|
}
|
|
|
|
WifiMessage message;
|
|
while (true) {
|
|
if (queue.get(&message, 10000 / portTICK_PERIOD_MS) == TtStatusOk) {
|
|
TT_LOG_I(TAG, "Processing message of type %d", message.type);
|
|
switch (message.type) {
|
|
case WifiMessageTypeRadioOn:
|
|
lock(wifi);
|
|
enable(wifi);
|
|
unlock(wifi);
|
|
break;
|
|
case WifiMessageTypeRadioOff:
|
|
lock(wifi);
|
|
disable(wifi);
|
|
unlock(wifi);
|
|
break;
|
|
case WifiMessageTypeScan:
|
|
lock(wifi);
|
|
scan_internal(wifi);
|
|
unlock(wifi);
|
|
break;
|
|
case WifiMessageTypeConnect:
|
|
lock(wifi);
|
|
connect_internal(wifi);
|
|
unlock(wifi);
|
|
break;
|
|
case WifiMessageTypeDisconnect:
|
|
lock(wifi);
|
|
disconnect_internal_but_keep_active(wifi);
|
|
unlock(wifi);
|
|
break;
|
|
case WifiMessageTypeAutoConnect:
|
|
lock(wifi);
|
|
auto_connect(wifi_singleton);
|
|
unlock(wifi);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Automatic scanning is done so we can automatically connect to access points
|
|
lock(wifi);
|
|
bool should_start_scan = wifi->radio_state == WIFI_RADIO_ON && !wifi->scan_active;
|
|
unlock(wifi);
|
|
if (should_start_scan) {
|
|
scan_internal(wifi);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void service_start(Service& service) {
|
|
tt_assert(wifi_singleton == nullptr);
|
|
wifi_singleton = new Wifi();
|
|
service.setData(wifi_singleton);
|
|
}
|
|
|
|
static void service_stop(Service& service) {
|
|
tt_assert(wifi_singleton != nullptr);
|
|
|
|
WifiRadioState state = wifi_singleton->radio_state;
|
|
if (state != WIFI_RADIO_OFF) {
|
|
disable(wifi_singleton);
|
|
}
|
|
|
|
delete wifi_singleton;
|
|
wifi_singleton = nullptr;
|
|
|
|
// wifi_main() cannot be stopped yet as it runs in the main task.
|
|
// We could theoretically exit it, but then we wouldn't be able to restart the service.
|
|
tt_crash("not fully implemented");
|
|
}
|
|
|
|
extern const Manifest manifest = {
|
|
.id = "Wifi",
|
|
.onStart = &service_start,
|
|
.onStop = &service_stop
|
|
};
|
|
|
|
} // namespace
|
|
|
|
#endif // ESP_TARGET
|