Initial kesp32_app_base component

include/esp32_app_base.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include "esp_err.h"
+#include <stdbool.h>
+#include <stdint.h>
+#include "freertos/FreeRTOS.h"
+#include "freertos/event_groups.h"
+
+typedef esp_err_t (*esp32_app_base_product_start_fn_t)(void);
+typedef esp_err_t (*esp32_app_base_health_check_fn_t)(void);
+
+typedef struct {
+    const char *service_prefix;
+    int reset_gpio;
+    bool reset_active_low;
+    uint32_t reset_hold_ms;
+    esp32_app_base_product_start_fn_t product_start;
+    esp32_app_base_health_check_fn_t health_check;
+    const char *ntp_server;
+    const char *timezone;
+    uint32_t ntp_initial_wait_seconds;
+    bool ota_enabled;
+    const char *ota_url;
+    uint32_t ota_initial_delay_seconds;
+    uint32_t ota_check_interval_minutes;
+    uint32_t ota_retry_interval_minutes;
+} esp32_app_base_config_t;
+
+/** Owns NVS, Wi-Fi browser provisioning, NTP, OTA rollback and reset button. */
+esp_err_t esp32_app_base_start(const esp32_app_base_config_t *config);
+
+/** Network readiness event group for optional product services. */
+EventGroupHandle_t esp32_app_base_network_events(void);
+EventBits_t esp32_app_base_network_ready_bit(void);