compilation for ESP32-C3

this allows to compile for -C3  including audioreactive usermod.
** warning ** completely untested and premature. It compiles, that's all.

platformio.ini

@@ -130,6 +130,8 @@ build_flags_all_features =
 
 build_flags_esp8266 = ${common.build_flags}  ${esp8266.build_flags}
 build_flags_esp32   = ${common.build_flags}  ${esp32.build_flags}
+build_flags_esp32c3 = ${common.build_flags}  ${esp32c3.build_flags}
+build_flags_esp32s2 = ${common.build_flags}  ${esp32s2.build_flags}
 build_flags_esp32s3 = ${common.build_flags}  ${esp32s3.build_flags}
 
 ldscript_1m128k = eagle.flash.1m128.ld
@@ -243,6 +245,8 @@ build_flags = -g
   -DARDUINO_ARCH_ESP32S2
   -DCONFIG_IDF_TARGET_ESP32S2
   -D CONFIG_ASYNC_TCP_USE_WDT=0
+  -D CONFIG_LITTLEFS_FOR_IDF_3_2
+  -D WLED_WATCHDOG_TIMEOUT=0
   -D WLED_NO_I2S1_BUS
   -DCO
 
@@ -262,7 +266,8 @@ build_flags = -g
   -D CONFIG_LITTLEFS_FOR_IDF_3_2 -D CONFIG_LITTLEFS_SPIFFS_COMPAT=1 -D CONFIG_LITTLEFS_CACHE_SIZE=512
   -D WLED_NO_I2S0_BUS
   -D WLED_NO_I2S1_BUS
-  -D WLED_RELEASE_NAME=ESP32S3 -D WLED_DISABLE_BROWNOUT_DET -D WLED_WATCHDOG_TIMEOUT=0
+  -D WLED_DISABLE_BROWNOUT_DET 
+  -D WLED_WATCHDOG_TIMEOUT=0
   -D ARDUINO_USB_MODE=1 -D ARDUINO_USB_CDC_ON_BOOT=0 -D ARDUINO_USB_MSC_ON_BOOT=0
   -DCO
 
@@ -278,6 +283,8 @@ build_flags = -g
   -DARDUINO_ARCH_ESP32C3
   -DCONFIG_IDF_TARGET_ESP32C3
   -D CONFIG_ASYNC_TCP_USE_WDT=0
+  -D CONFIG_LITTLEFS_FOR_IDF_3_2
+  -D WLED_WATCHDOG_TIMEOUT=0
   -D WLED_NO_I2S0_BUS
   -D WLED_NO_I2S1_BUS
   -DCO
@@ -391,24 +398,35 @@ board_build.partitions = ${esp32.default_partitions}
 
 [env:esp32s2_saola]
 board = esp32-s2-saola-1
-platform = https://github.com/tasmota/platform-espressif32/releases/download/v2.0.2.2/platform-tasmota-espressif32-2.0.2.zip
-platform_packages =
+;platform = https://github.com/tasmota/platform-espressif32/releases/download/v2.0.2.2/platform-tasmota-espressif32-2.0.2.zip
+;platform_packages =
+platform = ${esp32.platform}
+platform_packages = ${esp32.platform_packages}
 framework = arduino
+build_flags = ${common.build_flags_esp32s2}
+  -D WLED_RELEASE_NAME=ESP32C3 #-D WLED_DISABLE_BLYNK #-D WLED_DISABLE_BROWNOUT_DET
 board_build.partitions = tools/WLED_ESP32_4MB_1MB_FS.csv
 board_build.flash_mode = qio
 upload_speed = 460800
 build_unflags = ${common.build_unflags}
 lib_deps = ${esp32s2.lib_deps}
 
-[env:esp32c3]
+[env:esp32c3dev]
 board = esp32-c3-devkitm-1
-platform = https://github.com/tasmota/platform-espressif32/releases/download/v2.0.2.2/platform-tasmota-espressif32-2.0.2.zip
-platform_packages =
+;platform = https://github.com/tasmota/platform-espressif32/releases/download/v2.0.2.2/platform-tasmota-espressif32-2.0.2.zip
+platform = ${esp32.platform}
+platform_packages = ${esp32.platform_packages}
 framework = arduino
+build_flags = ${common.build_flags_esp32c3}
+  -D WLED_RELEASE_NAME=ESP32C3 #-D WLED_DISABLE_BLYNK #-D WLED_DISABLE_BROWNOUT_DET
+  -D USERMOD_AUDIOREACTIVE -D I2S_USE_16BIT_SAMPLES
+  -D UM_AUDIOREACTIVE_USE_NEW_FFT
+  -D USERMOD_CUSTOMEFFECTS
 board_build.partitions = tools/WLED_ESP32_4MB_1MB_FS.csv
 upload_speed = 460800
 build_unflags = ${common.build_unflags}
 lib_deps = ${esp32c3.lib_deps}
+  https://github.com/kosme/arduinoFFT#develop @ 1.9.2
 
 [env:esp8285_4CH_MagicHome]
 board = esp8285