Swap to new larger filesystem but create esp32_4MB_V4_Minimal that still uses the legacy filesysem to allow OTA updates

Author: netmindz

platformio.ini

@@ -70,6 +70,7 @@ default_envs =
   ; wemos_shield_esp32_16MB_SPM1423_XL
   ; wemos_shield_esp32_16MB_LineIn_M
   ;;
+  esp32_4MB_V4_Minimal
   esp32_4MB_V4_S           ;; experimental; HUB75 supported
   esp32_4MB_V4_HUB75_forum ;; experimental; HUB75 supported (forum pinout)
   esp32_16MB_V4_S          ;; experimental - optimized for speed;  HUB75 supported
@@ -358,8 +359,8 @@ build_flags = -g
   ; -D WLEDMM_SLOWPATH ;; don't use I2S for LED bus
   ; -DARDUINO_USB_CDC_ON_BOOT=0 ;; this flag is mandatory for "classic ESP32" when building with arduino-esp32 >=2.0.3
 
-default_partitions = tools/WLED_ESP32_4MB_1MB_FS.csv      ;; WLED standard for 4MB flash: 1.4MB firmware, 1MB filesystem
-;default_partitions = tools/WLED_ESP32_4MB_256KB_FS.csv   ;; WLEDMM alternative for 4MB flash:   1.8MB firmware, 256KB filesystem (esptool erase_flash needed before changing)
+; default_partitions = tools/WLED_ESP32_4MB_1MB_FS.csv      ;; WLED standard for 4MB flash: 1.4MB firmware, 1MB filesystem
+default_partitions = tools/WLED_ESP32_4MB_256KB_FS.csv   ;; WLEDMM alternative for 4MB flash:   1.8MB firmware, 256KB filesystem (esptool erase_flash needed before changing)
 
 tiny_partitions = tools/WLED_ESP32_2MB_noOTA.csv
 extended_partitions = tools/WLED_ESP32_4MB_700k_FS.csv
@@ -1649,6 +1650,19 @@ lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compila
 ; RAM:   [===       ]  25.5% (used 83400 bytes from 327680 bytes)
 ; Flash: [==========]  97.3% (used 1530013 bytes from 1572864 bytes)
 
+[env:esp32_4MB_V4_Minimal]
+extends = env:esp32_4MB_V4_S
+board_build.partitions = tools/WLED_ESP32_4MB_1MB_FS.csv ;; WLED-AC compatibility
+lib_deps = ${esp32_4MB_V4_S_base.esp32_lib_deps}
+lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
+  ${common_mm.HUB75_lib_ignore}  ;; over the flash size limit
+  ${common_mm.animartrix_lib_ignore}
+build_unflags = ${esp32_4MB_V4_S_base.build_unflags}
+  -D USERMOD_ANIMARTRIX ;; Tips our memory usage over the limit
+  -D USERMOD_ARTIFX
+  -D USERMOD_AUTO_SAVE
+  -D WLED_ENABLE_HUB75MATRIX
+
 ;; softhack007: my favourite HUB75 buildenv - fastest possible
 [env:esp32_4MB_V4_HUB75_forum]
 extends = esp32_4MB_V4_S_base