Update ESP-IDF examples

examples/espidf-http-request/platformio.ini

@@ -7,23 +7,19 @@
 ; Please visit documentation for the other options and examples
 ; http://docs.platformio.org/page/projectconf.html
 
-[env:nano32]
+[env]
 platform = espressif32
 framework = espidf
-board = nano32
-build_flags = -DCONFIG_WIFI_SSID=\"ESP_AP\" -DCONFIG_WIFI_PASSWORD=\"MYPASS\"
 monitor_speed = 115200
 
+[env:esp32dev]
+board = esp32dev
+
+[env:nano32]
+board = nano32
+
 [env:espea32]
-platform = espressif32
-framework = espidf
 board = espea32
-build_flags = -DCONFIG_WIFI_SSID=\"ESP_AP\" -DCONFIG_WIFI_PASSWORD=\"MYPASS\"
-monitor_speed = 115200
 
 [env:esp320]
-platform = espressif32
-framework = espidf
 board = esp320
-build_flags = -DCONFIG_WIFI_SSID=\"ESP_AP\" -DCONFIG_WIFI_PASSWORD=\"MYPASS\"
-monitor_speed = 115200

examples/espidf-http-request/sdkconfig.defaults

@@ -0,0 +1,2 @@
+CONFIG_EXAMPLE_WIFI_SSID="MYSSID"
+CONFIG_EXAMPLE_WIFI_PASSWORD="MYPASS"

examples/espidf-http-request/src/http_request_example_main.c

@@ -24,13 +24,13 @@
 
 /* Constants that aren't configurable in menuconfig */
 #define WEB_SERVER "example.com"
-#define WEB_PORT 80
-#define WEB_URL "http://example.com/"
+#define WEB_PORT "80"
+#define WEB_PATH "/"
 
 static const char *TAG = "example";
 
-static const char *REQUEST = "GET " WEB_URL " HTTP/1.0\r\n"
-    "Host: "WEB_SERVER"\r\n"
+static const char *REQUEST = "GET " WEB_PATH " HTTP/1.0\r\n"
+    "Host: "WEB_SERVER":"WEB_PORT"\r\n"
     "User-Agent: esp-idf/1.0 esp32\r\n"
     "\r\n";
 
@@ -46,7 +46,7 @@ static void http_get_task(void *pvParameters)
     char recv_buf[64];
 
     while(1) {
-        int err = getaddrinfo(WEB_SERVER, "80", &hints, &res);
+        int err = getaddrinfo(WEB_SERVER, WEB_PORT, &hints, &res);
 
         if(err != 0 || res == NULL) {
             ESP_LOGE(TAG, "DNS lookup failed err=%d res=%p", err, res);
@@ -119,10 +119,10 @@ static void http_get_task(void *pvParameters)
     }
 }
 
-void app_main()
+void app_main(void)
 {
     ESP_ERROR_CHECK( nvs_flash_init() );
-    tcpip_adapter_init();
+    ESP_ERROR_CHECK(esp_netif_init());
     ESP_ERROR_CHECK(esp_event_loop_create_default());
 
     /* This helper function configures Wi-Fi or Ethernet, as selected in menuconfig.