0ebd1ccb20
STA mode, reads SSID/password from NVS, exponential backoff reconnect (1s-30s), EventGroup for connection state. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
#pragma once
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#include "esp_err.h"
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#include "esp_event.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/event_groups.h"
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#define WIFI_CONNECTED_BIT BIT0
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#define WIFI_FAIL_BIT BIT1
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/**
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* Initialize WiFi subsystem (STA mode).
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* Reads SSID/password from NVS. If not set, waits for serial configuration.
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*/
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esp_err_t wifi_manager_init(void);
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/**
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* Start WiFi connection. Non-blocking, fires events.
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*/
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esp_err_t wifi_manager_start(void);
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/**
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* Block until WiFi is connected or failed.
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* @param timeout_ms Max time to wait (portMAX_DELAY for forever)
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* @return ESP_OK if connected, ESP_ERR_TIMEOUT otherwise
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*/
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esp_err_t wifi_manager_wait_connected(uint32_t timeout_ms);
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/**
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* Check if WiFi is currently connected.
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*/
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bool wifi_manager_is_connected(void);
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/**
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* Save WiFi credentials to NVS.
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*/
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esp_err_t wifi_manager_set_credentials(const char *ssid, const char *password);
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/**
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* Get the current IP address string (or "0.0.0.0" if not connected).
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*/
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const char *wifi_manager_get_ip(void);
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/**
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* Get the event group for WiFi state (WIFI_CONNECTED_BIT / WIFI_FAIL_BIT).
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*/
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EventGroupHandle_t wifi_manager_get_event_group(void);
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