From 3d50c87c9db4b7a658bfd8a605e78c2712be3d58 Mon Sep 17 00:00:00 2001
From: Adrian Scillato <35405447+ascillato@users.noreply.github.com>
Date: Mon, 27 Aug 2018 02:18:10 -0300
Subject: [PATCH] Added Optional Configurations

---
 platformio.ini | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/platformio.ini b/platformio.ini
index 4551a164d..6730270e6 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -52,14 +52,28 @@ framework = arduino
 board = esp01_1m
 board_build.flash_mode = dout
 
+; set CPU frequency to 80MHz (default) or 160MHz
+board_build.f_cpu = 80000000L
+;board_build.f_cpu = 160000000L
+
 ; *** Fix espressif8266@1.7.0 induced undesired all warnings
 build_unflags = -Wall
 
 build_flags =
   -Wl,-Tesp8266.flash.1m0.ld
-  -DVTABLES_IN_FLASH
+;  -DUSE_CONFIG_OVERRIDE  
+; lwIP 1.4 (Default)
   -DPIO_FRAMEWORK_ARDUINO_LWIP_HIGHER_BANDWIDTH
-;  -DUSE_CONFIG_OVERRIDE
+; lwIP 2 - Low Memory
+;  -DPIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY
+; lwIP 2 - Higher Bandwitdh
+;  -DPIO_FRAMEWORK_ARDUINO_LWIP2_HIGHER_BANDWIDTH
+; VTABLES in Flash (default)
+  -DVTABLES_IN_FLASH
+; VTABLES in Heap
+;  -DVTABLES_IN_DRAM
+; VTABLES in IRAM
+;  -DVTABLES_IN_IRAM
 
 ; *** Serial Monitor options
 monitor_speed = 115200
@@ -68,6 +82,7 @@ monitor_speed = 115200
 upload_speed = 115200
 upload_resetmethod = nodemcu
 upload_port = COM5
+
 ; *** Fix Esp/Arduino core 2.4.x induced Tasmota unused floating point includes
 extra_scripts = pio/strip-floats.py