fork from wifi_ap

Author: wolfram77

.gitignore

@@ -1,3 +1,7 @@
+# Build
+.vscode/
+build/
+
 # Prerequisites
 *.d
 

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.5)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(wifi_apsta)

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019 esp32f
+Copyright (c) 2019 Merferry
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

Makefile

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+PROJECT_NAME := wifi_apsta
+
+include $(IDF_PATH)/make/project.mk

README.md

@@ -1,2 +1,7 @@
-# wifi_apsta
-Start WiFi in AP and station mode and scan APs.
+Start WiFi as access point + station.<br>
+*AP mode does not support AP scan.*
+
+```text
+includePath:
+/home/wolfram77/esp/esp-idf/components/**
+```

main/CMakeLists.txt

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+set(COMPONENT_SRCS "main.c")
+set(COMPONENT_ADD_INCLUDEDIRS ".")
+
+register_component()

main/Kconfig.projbuild

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+#pragma once
+#include <esp_err.h>
+
+
+#if defined(NDEBUG) || defined(ERET_ABORT)
+#define ERETV(x) ESP_ERROR_CHECK(x)
+#elif defined(CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT)
+#define ERETV(x) do {                          \
+    esp_err_t __err_rc = (x);                  \
+    if (__err_rc != ESP_OK) return;            \
+  } while(0)
+#else
+#define ERETV(x) do {                                                           \
+    esp_err_t __err_rc = (x);                                                   \
+    if (__err_rc != ESP_OK) {                                                   \
+      _esp_error_check_failed(__err_rc, __FILE__, __LINE__, __ASSERT_FUNC, #x); \
+      return;                                                                   \
+    }                                                                           \
+  } while(0)
+#endif
+
+
+#if defined(NDEBUG) || defined(ERET_ABORT)
+#define ERET(x) ESP_ERROR_CHECK(x)
+#elif defined(CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT)
+#define ERET(x) do {                          \
+    esp_err_t __err_rc = (x);                 \
+    if (__err_rc != ESP_OK) return __err_rc;  \
+  } while(0)
+#else
+#define ERET(x) do {                                                            \
+    esp_err_t __err_rc = (x);                                                   \
+    if (__err_rc != ESP_OK) {                                                   \
+      _esp_error_check_failed(__err_rc, __FILE__, __LINE__, __ASSERT_FUNC, #x); \
+      return __err_rc;                                                          \
+    }                                                                           \
+  } while(0)
+#endif

main/component.mk

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+#include <esp_wifi.h>
+#include <esp_event.h>
+#include <nvs_flash.h>
+#include "macros.h"
+
+
+static esp_err_t nvs_init() {
+  esp_err_t ret = nvs_flash_init();
+  if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
+    ERET( nvs_flash_erase() );
+    ERET( nvs_flash_init() );
+  }
+  ERET( ret );
+  return ESP_OK;
+}
+
+
+static void on_wifi(void* arg, esp_event_base_t base, int32_t id, void* data) {
+  if (id == WIFI_EVENT_AP_STACONNECTED) {
+    wifi_event_ap_staconnected_t *d = (wifi_event_ap_staconnected_t*) data;
+    printf("Station " MACSTR " joined, AID = %d (event)\n", MAC2STR(d->mac), d->aid);
+  } else if (id == WIFI_EVENT_AP_STADISCONNECTED) {
+    wifi_event_ap_stadisconnected_t *d = (wifi_event_ap_stadisconnected_t*) data;
+    printf("Station " MACSTR " left, AID = %d (event)\n", MAC2STR(d->mac), d->aid);
+  } else if(id == WIFI_EVENT_SCAN_DONE) {
+    printf("- WiFi scan done (event)\n");
+    printf("- Get scanned AP records\n");
+    static uint16_t count = 32;
+    static wifi_ap_record_t records[32];
+    ERETV( esp_wifi_scan_get_ap_records(&count, records) );
+    for(int i=0; i<count; i++) {
+      printf("%d. %s : %d\n", i+1, records[i].ssid, records[i].rssi);
+    }
+  }
+}
+
+
+static esp_err_t wifi_ap() {
+  printf("- Initialize TCP/IP adapter\n");
+  tcpip_adapter_init();
+  printf("- Create default event loop\n");
+  ERET( esp_event_loop_create_default() );
+  printf("- Initialize WiFi with default config\n");
+  wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
+  ERET( esp_wifi_init(&cfg) );
+  printf("- Register WiFi event handler\n");
+  ERET( esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &on_wifi, NULL) );
+  printf("- Set WiFi mode as AP\n");
+  ERET( esp_wifi_set_mode(WIFI_MODE_AP) );
+  printf("- Set WiFi configuration\n");
+  wifi_config_t wifi_config = {.ap = {
+    .ssid = "charmender",
+    .password = "charmender",
+    .ssid_len = 0,
+    .channel = 0,
+    .authmode = WIFI_AUTH_WPA_PSK,
+    .ssid_hidden = 0,
+    .max_connection = 4,
+    .beacon_interval = 100,
+  }};
+  ERET( esp_wifi_set_config(ESP_IF_WIFI_AP, &wifi_config) );
+  printf("- Start WiFi\n");
+  ERET( esp_wifi_start() );
+  return ESP_OK;
+}
+
+
+void app_main() {
+  printf("- Initialize NVS\n");
+  ESP_ERROR_CHECK( nvs_init() );
+  ESP_ERROR_CHECK( wifi_ap() );
+}