From 856d45435e0aac0af7612dc16dfc591e578ed8d6 Mon Sep 17 00:00:00 2001
From: Will Tatam <will@netmindz.net>
Date: Sat, 13 Jul 2024 18:50:34 +0100
Subject: [PATCH 1/2] Swap to new smaller FS but with backwads compatible
 minimal

---
 platformio.ini | 33 +++++++++++++++++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

diff --git a/platformio.ini b/platformio.ini
index 6ae4c79091..ad2b132c71 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -83,6 +83,7 @@ default_envs =
   esp32c3dev_2MB_M         ;; experimental - 2MB Flash, no OTA
   esp32c3mini_dio_4MB_M    ;; for boards that need "dio" flash mode (instead of qio)
   seeed_esp32c3_4MB_S      ;; experimental
+  esp32_4MB_V4_Minimal
   esp32_4MB_V4_S           ;; experimental
   esp32_16MB_V4_S          ;; experimental - optimized for speed
   esp32_16MB_V4_M          ;; experimental
@@ -310,8 +311,8 @@ 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
@@ -1573,6 +1574,34 @@ lib_deps = ${esp8266.lib_deps}
 ;; Warning: the build-in LittleFS (arduino-esp32 2.0.x) seems to be "slightly different" from Lorol LittleFS. 
 ;; When upgrading to the new framework, it might be necessary to first do a chip erase (make sure you have a backup of cfg.json and presets.json)
 
+; compiled with ESP-IDF 4.4.1
+[env:esp32_4MB_V4_Minimal]
+extends = esp32_4MB_V4_S_base
+board_build.partitions = tools/WLED_ESP32_4MB_1MB_FS.csv ;; WLED-AC compatibility
+build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
+  -D WLED_RELEASE_NAME=esp32_4MB_V4_Minimal
+  -D WLED_WATCHDOG_TIMEOUT=0 #-D WLED_DISABLE_BROWNOUT_DET
+  -D ARDUINO_USB_CDC_ON_BOOT=0 ; needed for arduino-esp32 >=2.0.4; avoids errors on startup
+  -D WLEDMM_FASTPATH ; WLEDMM experimental option. Reduces audio lag (latency), and allows for faster LED framerates. May break compatibility with previous versions.
+  -D WLED_DISABLE_LOXONE
+  -D WLED_DISABLE_ALEXA
+  ; -D WLED_DISABLE_HUESYNC
+  ; -D WLED_DISABLE_MQTT
+  -D WLED_DISABLE_INFRARED
+  ; -D WLED_DEBUG
+  ; -D SR_DEBUG
+  ; -D MIC_LOGGER
+  ; -D WLED_ENABLE_HUB75MATRIX
+
+;   -flto
+; build_unflags = ${common.build_unflags} -fno-lto
+
+lib_deps = ${esp32_4MB_V4_S_base.esp32_lib_deps}
+lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
+
+; RAM:   [===       ]  28.4% (used 92984 bytes from 327680 bytes)
+; Flash: [==========]  96.5% (used 1518009 bytes from 1572864 bytes)
+
 ; compiled with ESP-IDF 4.4.1
 [env:esp32_4MB_V4_S]
 extends = esp32_4MB_V4_S_base

From d85bfa86f3e49b95ca29eba333d9cad5a93e7163 Mon Sep 17 00:00:00 2001
From: Will Tatam <will@netmindz.net>
Date: Sun, 14 Jul 2024 12:11:39 +0100
Subject: [PATCH 2/2] update usage comment

---
 platformio.ini | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/platformio.ini b/platformio.ini
index ad2b132c71..521ab3b2d9 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -1622,8 +1622,8 @@ build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
 
 lib_deps = ${esp32_4MB_V4_S_base.esp32_lib_deps}
 lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
- ; RAM:   [===       ]  28.1% (used 91960 bytes from 327680 bytes)
- ; Flash: [==========]  97.8% (used 1537777 bytes from 1572864 bytes)
+ ; RAM:   [===       ]  28.4% (used 92968 bytes from 327680 bytes)
+ ; Flash: [========  ]  81.2% (used 1543041 bytes from 1900544 bytes)
 ; compiled with ESP-IDF 4.4.1
 [env:esp32_4MB_V4_M]
 extends = esp32_4MB_V4_M_base