Use "PIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY" as default lwIP profile for @platformio (#5305)

Author: ivankravets

tools/platformio-build.py

@@ -135,11 +135,10 @@ def scons_patched_match_splitext(path, suffixes=None):
 #
 # lwIP
 #
-if "PIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY" in flatten_cppdefines:
+if "PIO_FRAMEWORK_ARDUINO_LWIP_HIGHER_BANDWIDTH" in flatten_cppdefines:
     env.Append(
-        CPPDEFINES=[("TCP_MSS", 536), ("LWIP_FEATURES", 1)],
-        CPPPATH=[join(FRAMEWORK_DIR, "tools", "sdk", "lwip2", "include")],
-        LIBS=["lwip2-536-feat"]
+        CPPPATH=[join(FRAMEWORK_DIR, "tools", "sdk", "lwip", "include")],
+        LIBS=["lwip_gcc"]
     )
 elif "PIO_FRAMEWORK_ARDUINO_LWIP2_HIGHER_BANDWIDTH" in flatten_cppdefines:
     env.Append(
@@ -159,10 +158,12 @@ def scons_patched_match_splitext(path, suffixes=None):
         CPPPATH=[join(FRAMEWORK_DIR, "tools", "sdk", "lwip2", "include")],
         LIBS=["lwip2-1460"]
     )
+# PIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY (default)
 else:
     env.Append(
-        CPPPATH=[join(FRAMEWORK_DIR, "tools", "sdk", "lwip", "include")],
-        LIBS=["lwip_gcc"]
+        CPPDEFINES=[("TCP_MSS", 536), ("LWIP_FEATURES", 1)],
+        CPPPATH=[join(FRAMEWORK_DIR, "tools", "sdk", "lwip2", "include")],
+        LIBS=["lwip2-536-feat"]
     )
 
 #