From e8d3712d4f4e645e7cde3f476e138a3044371efe Mon Sep 17 00:00:00 2001
From: Frank <91616163+softhack007@users.noreply.github.com>
Date: Thu, 30 Mar 2023 18:48:39 +0200
Subject: [PATCH] esp32_4MB_PSRAM changed from "M" to "S"

to provide some more space for future additions in the code.
---
 platformio.ini | 55 ++++++++++++++++++++++++++++++++++----------------
 1 file changed, 38 insertions(+), 17 deletions(-)

diff --git a/platformio.ini b/platformio.ini
index 1808d1dd..844db9da 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -58,7 +58,7 @@ default_envs =
   wemos_shield_esp32_16MB_SPM1423_XL
   wemos_shield_esp32_16MB_LineIn_M
   esp32_pico_4MB_M
-  esp32_4MB_PSRAM_M 
+  esp32_4MB_PSRAM_S 
   esp32S3_8MB_M
   esp32s2_tinyUF2_PSRAM_M  ;; experimental - only for adafruit -S2 boards with tinyUF2 bootloader !!!
   esp32c3dev_4MB_M         ;; experimental
@@ -1257,31 +1257,52 @@ monitor_filters = esp32_exception_decoder
 ; Flash: [========  ]  78.1% (used 1638193 bytes from 2097152 bytes) WLEDMM: Earlier 76.9
 
 ;; experimental environment for boards with PSRAM (needs ESP-IDF 4.4.1). 
-[env:esp32_4MB_PSRAM_M]
-extends = esp32_4MB_V4_M_base
+[env:esp32_4MB_PSRAM_S]
+extends = esp32_4MB_V4_S_base
 board = lolin_d32_pro
 ;board = esp32cam
-build_flags = ${esp32_4MB_V4_M_base.build_flags} 
-  -D WLED_RELEASE_NAME=esp32_4MB_PSRAM_M
+build_flags = ${esp32_4MB_V4_S_base.build_flags} 
+  -D WLED_RELEASE_NAME=esp32_4MB_PSRAM_S
   -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 WLED_USE_PSRAM 
-  ; RAM:   [==        ]  24.8% (used 81424 bytes from 327680 bytes)
-  ; Flash: [==========]  99.8% (used 1570457 bytes from 1572864 bytes)
-  ; 99.8% !!!!
-  -D WLED_DISABLE_LOXONE ; FLASH 1272 bytes
-  -D WLED_DISABLE_ALEXA ;  RAM 116 bytes; FLASH 13524 bytes
-  -D WLED_DISABLE_MQTT ;   RAM 216 bytes; FLASH 16496 bytes
-  -D WLED_DISABLE_HUESYNC ;RAM 122 bytes; FLASH  6308 bytes
-  ; RAM:   [==        ]  24.7% (used 80948 bytes from 327680 bytes)
-  ; Flash: [==========]  97.4% (used 1532485 bytes from 1572864 bytes)
+  -D WLED_USE_PSRAM
+  -D WLED_DISABLE_LOXONE ;  FLASH 1272 bytes
+  -D WLED_DISABLE_HUESYNC ; RAM 122 bytes; FLASH  6308 bytes
+  -D WLED_DISABLE_ALEXA ;   RAM 116 bytes; FLASH 13524 bytes
+  -D WLED_DISABLE_MQTT ;    RAM 216 bytes; FLASH 16496 bytes
   -D WLED_DISABLE_INFRARED ;RAM 136 bytes; FLASH 24492 bytes ewowi: disabled to stay below 100%
-  ; RAM:   [==        ]  24.7% (used 81000 bytes from 327680 bytes)
-  ; Flash: [==========]  98.6% (used 1550569 bytes from 1572864 bytes)
   ; -D WLED_ENABLE_DMX
   ; -D WLED_DEBUG
   ; -D SR_DEBUG
   ; -D MIC_LOGGER
+lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
+;; RAM:   [==        ]  24.3% (used 79524 bytes from 327680 bytes)
+;; Flash: [========= ]  93.2% (used 1466389 bytes from 1572864 bytes)
+
+;; PSRAM build env that only leaves 300Kb for filesystem (instead of 1MB), but adds 300kB for program space
+[env:esp32_4MB_PSRAM_M]
+extends = esp32_4MB_V4_M_base
+board = lolin_d32_pro
+;board = esp32cam
+board_build.partitions = tools/WLED_ESP32_4MB_256KB_FS.csv   ;; 1.8MB firmware, 256KB filesystem (esptool erase_flash needed when changing from "standard WLED" partitions)
+build_flags = ${esp32_4MB_V4_M_base.build_flags} 
+  -D WLED_RELEASE_NAME=esp32_4MB_PSRAM_M
+  -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 WLED_USE_PSRAM
+  -D WLED_DISABLE_LOXONE  ;;  FLASH 1272 bytes
+  -D WLED_DISABLE_HUESYNC ;;  RAM 122 bytes; FLASH  6308 bytes
+  -D WLED_DISABLE_ALEXA ;;     RAM 116 bytes; FLASH 13524 bytes
+  ; -D WLED_DISABLE_MQTT ;;    RAM 216 bytes; FLASH 16496 bytes
+  ; -D WLED_DISABLE_INFRARED ;;RAM 136 bytes; FLASH 24492 bytes
+  ; -D WLED_ENABLE_DMX
+  ; -D WLED_DEBUG
+  ; -D SR_DEBUG
+  ; -D MIC_LOGGER
+;lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
+;monitor_filters = esp32_exception_decoder
+;; RAM:   [==        ]  24.9% (used 81484 bytes from 327680 bytes)
+;; Flash: [========  ]  84.6% (used 1607857 bytes from 1900544 bytes)
 
 [env:esp32S3_8MB_M]
 extends = esp32_4MB_V4_M_base