Minor fixes for PIO support

.travis.yml

@@ -30,4 +30,4 @@ install:
     - pip install -U platformio
     - platformio update
 script:
-    - platformio run
+    - platformio ci --board=nodemcuv2 --board=d1_mini --board=esp01_1m

platformio.ini

@@ -10,7 +10,7 @@
 
 [platformio]
 src_dir = wled00
-; env_default = nodemcuv2
+env_default = esp32dev
 
 [common_env_data]
 build_flags =
@@ -72,12 +72,12 @@ monitor_speed = 115200
 framework = ${common_env_data.framework}
 build_flags =
   ${common_env_data.build_flags}
-  -DWLED_DISABLE_MOBILE_UI
-  -DWLED_DISABLE_OTA
-  -DWLED_DISABLE_ALEXA
-  -DWLED_DISABLE_BLYNK
-  -DWLED_DISABLE_CRONIXIE
-  -DWLED_DISABLE_HUESYNC
+  -D WLED_DISABLE_MOBILE_UI
+  -D WLED_DISABLE_OTA
+  -D WLED_DISABLE_ALEXA
+  -D WLED_DISABLE_BLYNK
+  -D WLED_DISABLE_CRONIXIE
+  -D WLED_DISABLE_HUESYNC
 lib_deps =
   ${common_env_data.lib_deps_builtin}
   ${common_env_data.lib_deps_external}
@@ -90,7 +90,8 @@ monitor_speed = 115200
 framework = ${common_env_data.framework}
 build_flags =
   ${common_env_data.build_flags}
-  ARDUINO_ARCH_ESP32
+  -D ARDUINO_ARCH_ESP32
+  -D WORKAROUND_ESP32_BITBANG
 lib_deps =
   ${common_env_data.lib_deps_builtin}
   ${common_env_data.lib_deps_external}