first commit

1-Demo/IDF-DEMO/NoDisplay/wifi_scan/main/CMakeLists.txt

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+idf_component_register(SRCS "wifi_scan.c"
+                    INCLUDE_DIRS ".")

1-Demo/IDF-DEMO/NoDisplay/wifi_scan/main/idf_component.yml

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+## IDF Component Manager Manifest File
+dependencies:
+  ## Required IDF version
+  idf:
+    version: '>=4.1.0'
+  # # Put list of dependencies here
+  # # For components maintained by Espressif:
+  # component: "~1.0.0"
+  # # For 3rd party components:
+  # username/component: ">=1.0.0,<2.0.0"
+  # username2/component2:
+  #   version: "~1.0.0"
+  #   # For transient dependencies `public` flag can be set.
+  #   # `public` flag doesn't have an effect dependencies of the `main` component.
+  #   # All dependencies of `main` are public by default.
+  #   public: true
+  espressif/esp_wifi_remote: ^0.14.2

1-Demo/IDF-DEMO/NoDisplay/wifi_scan/main/wifi_scan.c

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+#include <stdio.h>
+#include <string.h>
+#include "esp_err.h"
+#include "esp_log.h"
+#include "esp_event.h"
+#include "esp_check.h"
+
+
+#include "esp_wifi.h"
+#include "esp_wifi_remote.h"
+
+
+#define TAG  "app_main"
+#define SCAN_LIST_SIZE 20
+
+void app_main(void)
+{
+    ESP_ERROR_CHECK(esp_event_loop_create_default());
+    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
+    ESP_ERROR_CHECK(esp_wifi_init(&cfg));
+
+    esp_wifi_set_mode(WIFI_MODE_STA);
+    esp_wifi_start();
+
+    uint16_t number = SCAN_LIST_SIZE;
+    wifi_ap_record_t ap_info[SCAN_LIST_SIZE];
+    uint16_t ap_count = 0;
+    memset(ap_info, 0, sizeof(ap_info));
+
+    esp_wifi_scan_start(NULL, true);
+    ESP_ERROR_CHECK(esp_wifi_scan_get_ap_num(&ap_count));
+    ESP_ERROR_CHECK(esp_wifi_scan_get_ap_records(&number, ap_info));
+
+    ESP_LOGI(TAG,"-------------------------------------------------------");
+    ESP_LOGI(TAG,"|\tSSID\t\t\t\t  RSSI\t\t|");
+
+     for (int i = 0; (i < SCAN_LIST_SIZE) && (i < ap_count); i++) {
+        ESP_LOGI(TAG,"|\t%-*s %d\t\t|",33,ap_info[i].ssid, ap_info[i].rssi);
+     }
+     ESP_LOGI(TAG,"-------------------------------------------------------");
+
+}