Add esp8266 in vscode/platformio

.vscode/tasks.json

@@ -0,0 +1,14 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558 
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "type": "PlatformIO",
+            "task": "Build (esp8266)",
+            "problemMatcher": [
+                "$platformio"
+            ]
+        }
+    ]
+}

platformio.ini

@@ -33,3 +33,26 @@ board_build.partitions = min_spiffs.csv
 upload_speed = 115200
 lib_ignore = 
     ESPAsyncTCP
+
+[env:esp8266]
+platform = espressif8266
+board = esp12e
+framework = arduino
+monitor_speed = 115200
+; set frequency to 160MHz
+board_build.f_cpu = 160000000L
+; set frequency to 40MHz
+board_build.f_flash = 40000000L
+board_build.flash_mode = dio
+upload_resetmethod = ck
+build_flags = 
+    -Wl,-Teagle.flash.4m2m.ld
+    -D PIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY
+    -DNONOSDK221=1
+    -DNDEBUG
+    -DVTABLES_IN_FLASH
+upload_speed = 115200
+lib_ignore = 
+    AsyncTCP
+    ESP32NetBIOS
+    ESP32SSPD