Added support for ESP32 S2. (#2067)

Updated Wemos Shield parameters.

platformio.ini

@@ -208,6 +208,18 @@ lib_deps =
   https://github.com/Makuna/NeoPixelBus.git # until next upstream release
   AsyncTCP @ 1.0.3
 
+[esp32s2]
+build_flags = -g
+  -DARDUINO_ARCH_ESP32
+  -DCONFIG_LITTLEFS_FOR_IDF_3_2
+  -DARDUINO_ARCH_ESP32S2
+  -DCONFIG_IDF_TARGET_ESP32S2
+
+lib_deps =
+  ${env.lib_deps}
+  https://github.com/Makuna/NeoPixelBus.git # until next upstream release
+  AsyncTCP @ 1.0.3
+
 # ------------------------------------------------------------------------------
 # WLED BUILDS
 # ------------------------------------------------------------------------------
@@ -283,6 +295,19 @@ build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags_esp32} -D WLED_RELEASE_NAME=ESP32_Ethernet -D RLYPIN=-1 -D WLED_USE_ETHERNET -D BTNPIN=-1
 lib_deps = ${esp32.lib_deps}
 
+[env:esp32s2_saola]
+board = esp32dev
+board_build.mcu = esp32s2
+platform = espressif32
+platform_packages =
+    toolchain-xtensa32s2
+    framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git#2.0.0-alpha1
+framework = arduino
+board_build.partitions = tools/WLED_ESP32_4MB_1MB_FS.csv
+upload_speed = 460800
+build_unflags = ${common.build_unflags}
+lib_deps = ${esp32s2.lib_deps}
+
 [env:esp8285_4CH_MagicHome]
 board = esp8285
 platform = ${common.platform_wled_default}
@@ -367,15 +392,14 @@ build_flags = ${common.build_flags_esp32}
   -D LEDPIN=16
   -D RLYPIN=19
   -D BTNPIN=17
+  -D IRPIN=18
   -D UWLED_USE_MY_CONFIG
-;  -D USERMOD_DALLASTEMPERATURE
-;  -D USERMOD_DALLASTEMPERATURE_CELCIUS
-;  -D USERMOD_FOUR_LINE_DISPLAY
-;  -D TEMPERATURE_PIN=21
+  -D USERMOD_DALLASTEMPERATURE
+  -D USERMOD_FOUR_LINE_DISPLAY
+  -D TEMPERATURE_PIN=23
 lib_deps = ${esp32.lib_deps}
-;  OneWire@~2.3.5
-;  milesburton/DallasTemperature@^3.9.0
-;  U8g2@~2.27.2
+  OneWire@~2.3.5
+  U8g2@~2.28.11
 
 [env:m5atom]
 board = esp32dev
@@ -459,4 +483,3 @@ build_flags = ${common.build_flags_esp32} -D WLED_DISABLE_BROWNOUT_DET -D WLED_D
   -D USER_SETUP_LOADED
 monitor_filters = esp32_exception_decoder
 lib_deps = ${esp32.lib_deps} TFT_eSPI
-