feat: implement Wi-Fi provisioning and persistent configuration

test/host/fakes/esp_err.h

@@ -0,0 +1,17 @@
+#ifndef TEST_ESP_ERR_H
+#define TEST_ESP_ERR_H
+
+typedef int esp_err_t;
+
+#define ESP_OK 0
+#define ESP_FAIL 0x101
+#define ESP_ERR_NO_MEM 0x102
+#define ESP_ERR_INVALID_ARG 0x103
+#define ESP_ERR_INVALID_STATE 0x104
+#define ESP_ERR_INVALID_VERSION 0x105
+#define ESP_ERR_NOT_FOUND 0x106
+#define ESP_ERR_NVS_NOT_FOUND 0x1102
+#define ESP_ERR_NVS_NO_FREE_PAGES 0x110d
+#define ESP_ERR_NVS_NEW_VERSION_FOUND 0x1110
+
+#endif

test/host/fakes/nvs.h

@@ -0,0 +1,25 @@
+#ifndef TEST_NVS_H
+#define TEST_NVS_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "esp_err.h"
+
+typedef unsigned int nvs_handle_t;
+
+#define NVS_READONLY 0
+#define NVS_READWRITE 1
+
+esp_err_t nvs_open(const char *namespace_name, int mode, nvs_handle_t *handle);
+void nvs_close(nvs_handle_t handle);
+esp_err_t nvs_get_u32(nvs_handle_t handle, const char *key, uint32_t *value);
+esp_err_t nvs_set_u32(nvs_handle_t handle, const char *key, uint32_t value);
+esp_err_t nvs_get_str(nvs_handle_t handle, const char *key, char *output, size_t *length);
+esp_err_t nvs_set_str(nvs_handle_t handle, const char *key, const char *value);
+esp_err_t nvs_erase_all(nvs_handle_t handle);
+esp_err_t nvs_commit(nvs_handle_t handle);
+
+void fake_nvs_set_schema(uint32_t version);
+
+#endif

test/host/fakes/nvs_flash.h

@@ -0,0 +1,10 @@
+#ifndef TEST_NVS_FLASH_H
+#define TEST_NVS_FLASH_H
+
+#include "esp_err.h"
+
+esp_err_t nvs_flash_init(void);
+esp_err_t nvs_flash_erase(void);
+esp_err_t nvs_flash_deinit(void);
+
+#endif