diff --git a/boards.txt b/boards.txt
index 2e8525c333..827116a594 100644
--- a/boards.txt
+++ b/boards.txt
@@ -82,6 +82,9 @@ generic.menu.eesz.512K32.build.flash_ld=eagle.flash.512k32.ld
 generic.menu.eesz.512K32.build.spiffs_pagesize=256
 generic.menu.eesz.512K32.upload.maximum_size=466928
 generic.menu.eesz.512K32.build.rfcal_addr=0x7C000
+generic.menu.eesz.512K32.build.spiffs_start=0x73000
+generic.menu.eesz.512K32.build.spiffs_end=0x7B000
+generic.menu.eesz.512K32.build.spiffs_blocksize=4096
 generic.menu.eesz.512K64=512K (64K SPIFFS)
 generic.menu.eesz.512K64.build.flash_size=512K
 generic.menu.eesz.512K64.build.flash_size_bytes=0x80000
@@ -89,6 +92,9 @@ generic.menu.eesz.512K64.build.flash_ld=eagle.flash.512k64.ld
 generic.menu.eesz.512K64.build.spiffs_pagesize=256
 generic.menu.eesz.512K64.upload.maximum_size=434160
 generic.menu.eesz.512K64.build.rfcal_addr=0x7C000
+generic.menu.eesz.512K64.build.spiffs_start=0x6B000
+generic.menu.eesz.512K64.build.spiffs_end=0x7B000
+generic.menu.eesz.512K64.build.spiffs_blocksize=4096
 generic.menu.eesz.512K128=512K (128K SPIFFS)
 generic.menu.eesz.512K128.build.flash_size=512K
 generic.menu.eesz.512K128.build.flash_size_bytes=0x80000
@@ -96,6 +102,9 @@ generic.menu.eesz.512K128.build.flash_ld=eagle.flash.512k128.ld
 generic.menu.eesz.512K128.build.spiffs_pagesize=256
 generic.menu.eesz.512K128.upload.maximum_size=368624
 generic.menu.eesz.512K128.build.rfcal_addr=0x7C000
+generic.menu.eesz.512K128.build.spiffs_start=0x5B000
+generic.menu.eesz.512K128.build.spiffs_end=0x7B000
+generic.menu.eesz.512K128.build.spiffs_blocksize=4096
 generic.menu.eesz.1M=1M (no SPIFFS)
 generic.menu.eesz.1M.build.flash_size=1M
 generic.menu.eesz.1M.build.flash_size_bytes=0x100000
@@ -110,6 +119,9 @@ generic.menu.eesz.1M64.build.flash_ld=eagle.flash.1m64.ld
 generic.menu.eesz.1M64.build.spiffs_pagesize=256
 generic.menu.eesz.1M64.upload.maximum_size=958448
 generic.menu.eesz.1M64.build.rfcal_addr=0xFC000
+generic.menu.eesz.1M64.build.spiffs_start=0xEB000
+generic.menu.eesz.1M64.build.spiffs_end=0xFB000
+generic.menu.eesz.1M64.build.spiffs_blocksize=4096
 generic.menu.eesz.1M128=1M (128K SPIFFS)
 generic.menu.eesz.1M128.build.flash_size=1M
 generic.menu.eesz.1M128.build.flash_size_bytes=0x100000
@@ -117,6 +129,9 @@ generic.menu.eesz.1M128.build.flash_ld=eagle.flash.1m128.ld
 generic.menu.eesz.1M128.build.spiffs_pagesize=256
 generic.menu.eesz.1M128.upload.maximum_size=892912
 generic.menu.eesz.1M128.build.rfcal_addr=0xFC000
+generic.menu.eesz.1M128.build.spiffs_start=0xDB000
+generic.menu.eesz.1M128.build.spiffs_end=0xFB000
+generic.menu.eesz.1M128.build.spiffs_blocksize=4096
 generic.menu.eesz.1M144=1M (144K SPIFFS)
 generic.menu.eesz.1M144.build.flash_size=1M
 generic.menu.eesz.1M144.build.flash_size_bytes=0x100000
@@ -124,6 +139,9 @@ generic.menu.eesz.1M144.build.flash_ld=eagle.flash.1m144.ld
 generic.menu.eesz.1M144.build.spiffs_pagesize=256
 generic.menu.eesz.1M144.upload.maximum_size=876528
 generic.menu.eesz.1M144.build.rfcal_addr=0xFC000
+generic.menu.eesz.1M144.build.spiffs_start=0xD7000
+generic.menu.eesz.1M144.build.spiffs_end=0xFB000
+generic.menu.eesz.1M144.build.spiffs_blocksize=4096
 generic.menu.eesz.1M160=1M (160K SPIFFS)
 generic.menu.eesz.1M160.build.flash_size=1M
 generic.menu.eesz.1M160.build.flash_size_bytes=0x100000
@@ -131,6 +149,9 @@ generic.menu.eesz.1M160.build.flash_ld=eagle.flash.1m160.ld
 generic.menu.eesz.1M160.build.spiffs_pagesize=256
 generic.menu.eesz.1M160.upload.maximum_size=860144
 generic.menu.eesz.1M160.build.rfcal_addr=0xFC000
+generic.menu.eesz.1M160.build.spiffs_start=0xD3000
+generic.menu.eesz.1M160.build.spiffs_end=0xFB000
+generic.menu.eesz.1M160.build.spiffs_blocksize=4096
 generic.menu.eesz.1M192=1M (192K SPIFFS)
 generic.menu.eesz.1M192.build.flash_size=1M
 generic.menu.eesz.1M192.build.flash_size_bytes=0x100000
@@ -138,6 +159,9 @@ generic.menu.eesz.1M192.build.flash_ld=eagle.flash.1m192.ld
 generic.menu.eesz.1M192.build.spiffs_pagesize=256
 generic.menu.eesz.1M192.upload.maximum_size=827376
 generic.menu.eesz.1M192.build.rfcal_addr=0xFC000
+generic.menu.eesz.1M192.build.spiffs_start=0xCB000
+generic.menu.eesz.1M192.build.spiffs_end=0xFB000
+generic.menu.eesz.1M192.build.spiffs_blocksize=4096
 generic.menu.eesz.1M256=1M (256K SPIFFS)
 generic.menu.eesz.1M256.build.flash_size=1M
 generic.menu.eesz.1M256.build.flash_size_bytes=0x100000
@@ -145,6 +169,9 @@ generic.menu.eesz.1M256.build.flash_ld=eagle.flash.1m256.ld
 generic.menu.eesz.1M256.build.spiffs_pagesize=256
 generic.menu.eesz.1M256.upload.maximum_size=761840
 generic.menu.eesz.1M256.build.rfcal_addr=0xFC000
+generic.menu.eesz.1M256.build.spiffs_start=0xBB000
+generic.menu.eesz.1M256.build.spiffs_end=0xFB000
+generic.menu.eesz.1M256.build.spiffs_blocksize=4096
 generic.menu.eesz.1M512=1M (512K SPIFFS)
 generic.menu.eesz.1M512.build.flash_size=1M
 generic.menu.eesz.1M512.build.flash_size_bytes=0x100000
@@ -152,6 +179,9 @@ generic.menu.eesz.1M512.build.flash_ld=eagle.flash.1m512.ld
 generic.menu.eesz.1M512.build.spiffs_pagesize=256
 generic.menu.eesz.1M512.upload.maximum_size=499696
 generic.menu.eesz.1M512.build.rfcal_addr=0xFC000
+generic.menu.eesz.1M512.build.spiffs_start=0x7B000
+generic.menu.eesz.1M512.build.spiffs_end=0xFB000
+generic.menu.eesz.1M512.build.spiffs_blocksize=4096
 generic.menu.eesz.2M=2M (no SPIFFS)
 generic.menu.eesz.2M.build.flash_size=2M
 generic.menu.eesz.2M.build.flash_size_bytes=0x200000
@@ -166,6 +196,9 @@ generic.menu.eesz.2M512.build.flash_ld=eagle.flash.2m512.ld
 generic.menu.eesz.2M512.build.spiffs_pagesize=256
 generic.menu.eesz.2M512.upload.maximum_size=1044464
 generic.menu.eesz.2M512.build.rfcal_addr=0x1FC000
+generic.menu.eesz.2M512.build.spiffs_start=0x180000
+generic.menu.eesz.2M512.build.spiffs_end=0x1FB000
+generic.menu.eesz.2M512.build.spiffs_blocksize=8192
 generic.menu.eesz.2M1M=2M (1M SPIFFS)
 generic.menu.eesz.2M1M.build.flash_size=2M
 generic.menu.eesz.2M1M.build.flash_size_bytes=0x200000
@@ -173,6 +206,9 @@ generic.menu.eesz.2M1M.build.flash_ld=eagle.flash.2m1m.ld
 generic.menu.eesz.2M1M.build.spiffs_pagesize=256
 generic.menu.eesz.2M1M.upload.maximum_size=1044464
 generic.menu.eesz.2M1M.build.rfcal_addr=0x1FC000
+generic.menu.eesz.2M1M.build.spiffs_start=0x100000
+generic.menu.eesz.2M1M.build.spiffs_end=0x1FB000
+generic.menu.eesz.2M1M.build.spiffs_blocksize=8192
 generic.menu.eesz.4M=4M (no SPIFFS)
 generic.menu.eesz.4M.build.flash_size=4M
 generic.menu.eesz.4M.build.flash_size_bytes=0x400000
@@ -187,6 +223,9 @@ generic.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 generic.menu.eesz.4M1M.build.spiffs_pagesize=256
 generic.menu.eesz.4M1M.upload.maximum_size=1044464
 generic.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+generic.menu.eesz.4M1M.build.spiffs_start=0x300000
+generic.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+generic.menu.eesz.4M1M.build.spiffs_blocksize=8192
 generic.menu.eesz.4M2M=4M (2M SPIFFS)
 generic.menu.eesz.4M2M.build.flash_size=4M
 generic.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -194,6 +233,9 @@ generic.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 generic.menu.eesz.4M2M.build.spiffs_pagesize=256
 generic.menu.eesz.4M2M.upload.maximum_size=1044464
 generic.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+generic.menu.eesz.4M2M.build.spiffs_start=0x200000
+generic.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+generic.menu.eesz.4M2M.build.spiffs_blocksize=8192
 generic.menu.eesz.4M3M=4M (3M SPIFFS)
 generic.menu.eesz.4M3M.build.flash_size=4M
 generic.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -201,6 +243,9 @@ generic.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 generic.menu.eesz.4M3M.build.spiffs_pagesize=256
 generic.menu.eesz.4M3M.upload.maximum_size=1044464
 generic.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+generic.menu.eesz.4M3M.build.spiffs_start=0x100000
+generic.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+generic.menu.eesz.4M3M.build.spiffs_blocksize=8192
 generic.menu.eesz.8M6M=8M (6M SPIFFS)
 generic.menu.eesz.8M6M.build.flash_size=8M
 generic.menu.eesz.8M6M.build.flash_size_bytes=0x800000
@@ -208,6 +253,9 @@ generic.menu.eesz.8M6M.build.flash_ld=eagle.flash.8m6m.ld
 generic.menu.eesz.8M6M.build.spiffs_pagesize=256
 generic.menu.eesz.8M6M.upload.maximum_size=1044464
 generic.menu.eesz.8M6M.build.rfcal_addr=0x7FC000
+generic.menu.eesz.8M6M.build.spiffs_start=0x200000
+generic.menu.eesz.8M6M.build.spiffs_end=0x7FB000
+generic.menu.eesz.8M6M.build.spiffs_blocksize=8192
 generic.menu.eesz.8M7M=8M (7M SPIFFS)
 generic.menu.eesz.8M7M.build.flash_size=8M
 generic.menu.eesz.8M7M.build.flash_size_bytes=0x800000
@@ -215,6 +263,9 @@ generic.menu.eesz.8M7M.build.flash_ld=eagle.flash.8m7m.ld
 generic.menu.eesz.8M7M.build.spiffs_pagesize=256
 generic.menu.eesz.8M7M.upload.maximum_size=1044464
 generic.menu.eesz.8M7M.build.rfcal_addr=0x7FC000
+generic.menu.eesz.8M7M.build.spiffs_start=0x100000
+generic.menu.eesz.8M7M.build.spiffs_end=0x7FB000
+generic.menu.eesz.8M7M.build.spiffs_blocksize=8192
 generic.menu.eesz.16M14M=16M (14M SPIFFS)
 generic.menu.eesz.16M14M.build.flash_size=16M
 generic.menu.eesz.16M14M.build.flash_size_bytes=0x1000000
@@ -222,6 +273,9 @@ generic.menu.eesz.16M14M.build.flash_ld=eagle.flash.16m14m.ld
 generic.menu.eesz.16M14M.build.spiffs_pagesize=256
 generic.menu.eesz.16M14M.upload.maximum_size=1044464
 generic.menu.eesz.16M14M.build.rfcal_addr=0xFFC000
+generic.menu.eesz.16M14M.build.spiffs_start=0x200000
+generic.menu.eesz.16M14M.build.spiffs_end=0xFFB000
+generic.menu.eesz.16M14M.build.spiffs_blocksize=8192
 generic.menu.eesz.16M15M=16M (15M SPIFFS)
 generic.menu.eesz.16M15M.build.flash_size=16M
 generic.menu.eesz.16M15M.build.flash_size_bytes=0x1000000
@@ -229,6 +283,9 @@ generic.menu.eesz.16M15M.build.flash_ld=eagle.flash.16m15m.ld
 generic.menu.eesz.16M15M.build.spiffs_pagesize=256
 generic.menu.eesz.16M15M.upload.maximum_size=1044464
 generic.menu.eesz.16M15M.build.rfcal_addr=0xFFC000
+generic.menu.eesz.16M15M.build.spiffs_start=0x100000
+generic.menu.eesz.16M15M.build.spiffs_end=0xFFB000
+generic.menu.eesz.16M15M.build.spiffs_blocksize=8192
 generic.menu.led.2=2
 generic.menu.led.2.build.led=-DLED_BUILTIN=2
 generic.menu.led.0=0
@@ -409,6 +466,9 @@ esp8285.menu.eesz.1M64.build.flash_ld=eagle.flash.1m64.ld
 esp8285.menu.eesz.1M64.build.spiffs_pagesize=256
 esp8285.menu.eesz.1M64.upload.maximum_size=958448
 esp8285.menu.eesz.1M64.build.rfcal_addr=0xFC000
+esp8285.menu.eesz.1M64.build.spiffs_start=0xEB000
+esp8285.menu.eesz.1M64.build.spiffs_end=0xFB000
+esp8285.menu.eesz.1M64.build.spiffs_blocksize=4096
 esp8285.menu.eesz.1M128=1M (128K SPIFFS)
 esp8285.menu.eesz.1M128.build.flash_size=1M
 esp8285.menu.eesz.1M128.build.flash_size_bytes=0x100000
@@ -416,6 +476,9 @@ esp8285.menu.eesz.1M128.build.flash_ld=eagle.flash.1m128.ld
 esp8285.menu.eesz.1M128.build.spiffs_pagesize=256
 esp8285.menu.eesz.1M128.upload.maximum_size=892912
 esp8285.menu.eesz.1M128.build.rfcal_addr=0xFC000
+esp8285.menu.eesz.1M128.build.spiffs_start=0xDB000
+esp8285.menu.eesz.1M128.build.spiffs_end=0xFB000
+esp8285.menu.eesz.1M128.build.spiffs_blocksize=4096
 esp8285.menu.eesz.1M144=1M (144K SPIFFS)
 esp8285.menu.eesz.1M144.build.flash_size=1M
 esp8285.menu.eesz.1M144.build.flash_size_bytes=0x100000
@@ -423,6 +486,9 @@ esp8285.menu.eesz.1M144.build.flash_ld=eagle.flash.1m144.ld
 esp8285.menu.eesz.1M144.build.spiffs_pagesize=256
 esp8285.menu.eesz.1M144.upload.maximum_size=876528
 esp8285.menu.eesz.1M144.build.rfcal_addr=0xFC000
+esp8285.menu.eesz.1M144.build.spiffs_start=0xD7000
+esp8285.menu.eesz.1M144.build.spiffs_end=0xFB000
+esp8285.menu.eesz.1M144.build.spiffs_blocksize=4096
 esp8285.menu.eesz.1M160=1M (160K SPIFFS)
 esp8285.menu.eesz.1M160.build.flash_size=1M
 esp8285.menu.eesz.1M160.build.flash_size_bytes=0x100000
@@ -430,6 +496,9 @@ esp8285.menu.eesz.1M160.build.flash_ld=eagle.flash.1m160.ld
 esp8285.menu.eesz.1M160.build.spiffs_pagesize=256
 esp8285.menu.eesz.1M160.upload.maximum_size=860144
 esp8285.menu.eesz.1M160.build.rfcal_addr=0xFC000
+esp8285.menu.eesz.1M160.build.spiffs_start=0xD3000
+esp8285.menu.eesz.1M160.build.spiffs_end=0xFB000
+esp8285.menu.eesz.1M160.build.spiffs_blocksize=4096
 esp8285.menu.eesz.1M192=1M (192K SPIFFS)
 esp8285.menu.eesz.1M192.build.flash_size=1M
 esp8285.menu.eesz.1M192.build.flash_size_bytes=0x100000
@@ -437,6 +506,9 @@ esp8285.menu.eesz.1M192.build.flash_ld=eagle.flash.1m192.ld
 esp8285.menu.eesz.1M192.build.spiffs_pagesize=256
 esp8285.menu.eesz.1M192.upload.maximum_size=827376
 esp8285.menu.eesz.1M192.build.rfcal_addr=0xFC000
+esp8285.menu.eesz.1M192.build.spiffs_start=0xCB000
+esp8285.menu.eesz.1M192.build.spiffs_end=0xFB000
+esp8285.menu.eesz.1M192.build.spiffs_blocksize=4096
 esp8285.menu.eesz.1M256=1M (256K SPIFFS)
 esp8285.menu.eesz.1M256.build.flash_size=1M
 esp8285.menu.eesz.1M256.build.flash_size_bytes=0x100000
@@ -444,6 +516,9 @@ esp8285.menu.eesz.1M256.build.flash_ld=eagle.flash.1m256.ld
 esp8285.menu.eesz.1M256.build.spiffs_pagesize=256
 esp8285.menu.eesz.1M256.upload.maximum_size=761840
 esp8285.menu.eesz.1M256.build.rfcal_addr=0xFC000
+esp8285.menu.eesz.1M256.build.spiffs_start=0xBB000
+esp8285.menu.eesz.1M256.build.spiffs_end=0xFB000
+esp8285.menu.eesz.1M256.build.spiffs_blocksize=4096
 esp8285.menu.eesz.1M512=1M (512K SPIFFS)
 esp8285.menu.eesz.1M512.build.flash_size=1M
 esp8285.menu.eesz.1M512.build.flash_size_bytes=0x100000
@@ -451,6 +526,9 @@ esp8285.menu.eesz.1M512.build.flash_ld=eagle.flash.1m512.ld
 esp8285.menu.eesz.1M512.build.spiffs_pagesize=256
 esp8285.menu.eesz.1M512.upload.maximum_size=499696
 esp8285.menu.eesz.1M512.build.rfcal_addr=0xFC000
+esp8285.menu.eesz.1M512.build.spiffs_start=0x7B000
+esp8285.menu.eesz.1M512.build.spiffs_end=0xFB000
+esp8285.menu.eesz.1M512.build.spiffs_blocksize=4096
 esp8285.menu.led.2=2
 esp8285.menu.led.2.build.led=-DLED_BUILTIN=2
 esp8285.menu.led.0=0
@@ -629,6 +707,9 @@ espduino.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 espduino.menu.eesz.4M1M.build.spiffs_pagesize=256
 espduino.menu.eesz.4M1M.upload.maximum_size=1044464
 espduino.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+espduino.menu.eesz.4M1M.build.spiffs_start=0x300000
+espduino.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+espduino.menu.eesz.4M1M.build.spiffs_blocksize=8192
 espduino.menu.eesz.4M2M=4M (2M SPIFFS)
 espduino.menu.eesz.4M2M.build.flash_size=4M
 espduino.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -636,6 +717,9 @@ espduino.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 espduino.menu.eesz.4M2M.build.spiffs_pagesize=256
 espduino.menu.eesz.4M2M.upload.maximum_size=1044464
 espduino.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+espduino.menu.eesz.4M2M.build.spiffs_start=0x200000
+espduino.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+espduino.menu.eesz.4M2M.build.spiffs_blocksize=8192
 espduino.menu.eesz.4M3M=4M (3M SPIFFS)
 espduino.menu.eesz.4M3M.build.flash_size=4M
 espduino.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -643,6 +727,9 @@ espduino.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 espduino.menu.eesz.4M3M.build.spiffs_pagesize=256
 espduino.menu.eesz.4M3M.upload.maximum_size=1044464
 espduino.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+espduino.menu.eesz.4M3M.build.spiffs_start=0x100000
+espduino.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+espduino.menu.eesz.4M3M.build.spiffs_blocksize=8192
 espduino.menu.ip.lm2=v2 Lower Memory
 espduino.menu.ip.lm2.build.lwip_include=lwip2/include
 espduino.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -781,6 +868,9 @@ huzzah.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 huzzah.menu.eesz.4M1M.build.spiffs_pagesize=256
 huzzah.menu.eesz.4M1M.upload.maximum_size=1044464
 huzzah.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+huzzah.menu.eesz.4M1M.build.spiffs_start=0x300000
+huzzah.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+huzzah.menu.eesz.4M1M.build.spiffs_blocksize=8192
 huzzah.menu.eesz.4M2M=4M (2M SPIFFS)
 huzzah.menu.eesz.4M2M.build.flash_size=4M
 huzzah.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -788,6 +878,9 @@ huzzah.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 huzzah.menu.eesz.4M2M.build.spiffs_pagesize=256
 huzzah.menu.eesz.4M2M.upload.maximum_size=1044464
 huzzah.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+huzzah.menu.eesz.4M2M.build.spiffs_start=0x200000
+huzzah.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+huzzah.menu.eesz.4M2M.build.spiffs_blocksize=8192
 huzzah.menu.eesz.4M3M=4M (3M SPIFFS)
 huzzah.menu.eesz.4M3M.build.flash_size=4M
 huzzah.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -795,6 +888,9 @@ huzzah.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 huzzah.menu.eesz.4M3M.build.spiffs_pagesize=256
 huzzah.menu.eesz.4M3M.upload.maximum_size=1044464
 huzzah.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+huzzah.menu.eesz.4M3M.build.spiffs_start=0x100000
+huzzah.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+huzzah.menu.eesz.4M3M.build.spiffs_blocksize=8192
 huzzah.menu.ip.lm2=v2 Lower Memory
 huzzah.menu.ip.lm2.build.lwip_include=lwip2/include
 huzzah.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -936,6 +1032,9 @@ cw01.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 cw01.menu.eesz.4M1M.build.spiffs_pagesize=256
 cw01.menu.eesz.4M1M.upload.maximum_size=1044464
 cw01.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+cw01.menu.eesz.4M1M.build.spiffs_start=0x300000
+cw01.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+cw01.menu.eesz.4M1M.build.spiffs_blocksize=8192
 cw01.menu.eesz.4M2M=4M (2M SPIFFS)
 cw01.menu.eesz.4M2M.build.flash_size=4M
 cw01.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -943,6 +1042,9 @@ cw01.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 cw01.menu.eesz.4M2M.build.spiffs_pagesize=256
 cw01.menu.eesz.4M2M.upload.maximum_size=1044464
 cw01.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+cw01.menu.eesz.4M2M.build.spiffs_start=0x200000
+cw01.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+cw01.menu.eesz.4M2M.build.spiffs_blocksize=8192
 cw01.menu.eesz.4M3M=4M (3M SPIFFS)
 cw01.menu.eesz.4M3M.build.flash_size=4M
 cw01.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -950,6 +1052,9 @@ cw01.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 cw01.menu.eesz.4M3M.build.spiffs_pagesize=256
 cw01.menu.eesz.4M3M.upload.maximum_size=1044464
 cw01.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+cw01.menu.eesz.4M3M.build.spiffs_start=0x100000
+cw01.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+cw01.menu.eesz.4M3M.build.spiffs_blocksize=8192
 cw01.menu.ip.lm2=v2 Lower Memory
 cw01.menu.ip.lm2.build.lwip_include=lwip2/include
 cw01.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -1087,6 +1192,9 @@ espresso_lite_v1.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 espresso_lite_v1.menu.eesz.4M1M.build.spiffs_pagesize=256
 espresso_lite_v1.menu.eesz.4M1M.upload.maximum_size=1044464
 espresso_lite_v1.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+espresso_lite_v1.menu.eesz.4M1M.build.spiffs_start=0x300000
+espresso_lite_v1.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+espresso_lite_v1.menu.eesz.4M1M.build.spiffs_blocksize=8192
 espresso_lite_v1.menu.eesz.4M2M=4M (2M SPIFFS)
 espresso_lite_v1.menu.eesz.4M2M.build.flash_size=4M
 espresso_lite_v1.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -1094,6 +1202,9 @@ espresso_lite_v1.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 espresso_lite_v1.menu.eesz.4M2M.build.spiffs_pagesize=256
 espresso_lite_v1.menu.eesz.4M2M.upload.maximum_size=1044464
 espresso_lite_v1.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+espresso_lite_v1.menu.eesz.4M2M.build.spiffs_start=0x200000
+espresso_lite_v1.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+espresso_lite_v1.menu.eesz.4M2M.build.spiffs_blocksize=8192
 espresso_lite_v1.menu.eesz.4M3M=4M (3M SPIFFS)
 espresso_lite_v1.menu.eesz.4M3M.build.flash_size=4M
 espresso_lite_v1.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -1101,6 +1212,9 @@ espresso_lite_v1.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 espresso_lite_v1.menu.eesz.4M3M.build.spiffs_pagesize=256
 espresso_lite_v1.menu.eesz.4M3M.upload.maximum_size=1044464
 espresso_lite_v1.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+espresso_lite_v1.menu.eesz.4M3M.build.spiffs_start=0x100000
+espresso_lite_v1.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+espresso_lite_v1.menu.eesz.4M3M.build.spiffs_blocksize=8192
 espresso_lite_v1.menu.ResetMethod.ck=ck
 espresso_lite_v1.menu.ResetMethod.ck.upload.resetmethod=ck
 espresso_lite_v1.menu.ResetMethod.nodemcu=nodemcu
@@ -1242,6 +1356,9 @@ espresso_lite_v2.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 espresso_lite_v2.menu.eesz.4M1M.build.spiffs_pagesize=256
 espresso_lite_v2.menu.eesz.4M1M.upload.maximum_size=1044464
 espresso_lite_v2.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+espresso_lite_v2.menu.eesz.4M1M.build.spiffs_start=0x300000
+espresso_lite_v2.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+espresso_lite_v2.menu.eesz.4M1M.build.spiffs_blocksize=8192
 espresso_lite_v2.menu.eesz.4M2M=4M (2M SPIFFS)
 espresso_lite_v2.menu.eesz.4M2M.build.flash_size=4M
 espresso_lite_v2.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -1249,6 +1366,9 @@ espresso_lite_v2.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 espresso_lite_v2.menu.eesz.4M2M.build.spiffs_pagesize=256
 espresso_lite_v2.menu.eesz.4M2M.upload.maximum_size=1044464
 espresso_lite_v2.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+espresso_lite_v2.menu.eesz.4M2M.build.spiffs_start=0x200000
+espresso_lite_v2.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+espresso_lite_v2.menu.eesz.4M2M.build.spiffs_blocksize=8192
 espresso_lite_v2.menu.eesz.4M3M=4M (3M SPIFFS)
 espresso_lite_v2.menu.eesz.4M3M.build.flash_size=4M
 espresso_lite_v2.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -1256,6 +1376,9 @@ espresso_lite_v2.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 espresso_lite_v2.menu.eesz.4M3M.build.spiffs_pagesize=256
 espresso_lite_v2.menu.eesz.4M3M.upload.maximum_size=1044464
 espresso_lite_v2.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+espresso_lite_v2.menu.eesz.4M3M.build.spiffs_start=0x100000
+espresso_lite_v2.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+espresso_lite_v2.menu.eesz.4M3M.build.spiffs_blocksize=8192
 espresso_lite_v2.menu.ResetMethod.ck=ck
 espresso_lite_v2.menu.ResetMethod.ck.upload.resetmethod=ck
 espresso_lite_v2.menu.ResetMethod.nodemcu=nodemcu
@@ -1397,6 +1520,9 @@ phoenix_v1.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 phoenix_v1.menu.eesz.4M1M.build.spiffs_pagesize=256
 phoenix_v1.menu.eesz.4M1M.upload.maximum_size=1044464
 phoenix_v1.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+phoenix_v1.menu.eesz.4M1M.build.spiffs_start=0x300000
+phoenix_v1.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+phoenix_v1.menu.eesz.4M1M.build.spiffs_blocksize=8192
 phoenix_v1.menu.eesz.4M2M=4M (2M SPIFFS)
 phoenix_v1.menu.eesz.4M2M.build.flash_size=4M
 phoenix_v1.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -1404,6 +1530,9 @@ phoenix_v1.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 phoenix_v1.menu.eesz.4M2M.build.spiffs_pagesize=256
 phoenix_v1.menu.eesz.4M2M.upload.maximum_size=1044464
 phoenix_v1.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+phoenix_v1.menu.eesz.4M2M.build.spiffs_start=0x200000
+phoenix_v1.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+phoenix_v1.menu.eesz.4M2M.build.spiffs_blocksize=8192
 phoenix_v1.menu.eesz.4M3M=4M (3M SPIFFS)
 phoenix_v1.menu.eesz.4M3M.build.flash_size=4M
 phoenix_v1.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -1411,6 +1540,9 @@ phoenix_v1.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 phoenix_v1.menu.eesz.4M3M.build.spiffs_pagesize=256
 phoenix_v1.menu.eesz.4M3M.upload.maximum_size=1044464
 phoenix_v1.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+phoenix_v1.menu.eesz.4M3M.build.spiffs_start=0x100000
+phoenix_v1.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+phoenix_v1.menu.eesz.4M3M.build.spiffs_blocksize=8192
 phoenix_v1.menu.ResetMethod.ck=ck
 phoenix_v1.menu.ResetMethod.ck.upload.resetmethod=ck
 phoenix_v1.menu.ResetMethod.nodemcu=nodemcu
@@ -1552,6 +1684,9 @@ phoenix_v2.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 phoenix_v2.menu.eesz.4M1M.build.spiffs_pagesize=256
 phoenix_v2.menu.eesz.4M1M.upload.maximum_size=1044464
 phoenix_v2.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+phoenix_v2.menu.eesz.4M1M.build.spiffs_start=0x300000
+phoenix_v2.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+phoenix_v2.menu.eesz.4M1M.build.spiffs_blocksize=8192
 phoenix_v2.menu.eesz.4M2M=4M (2M SPIFFS)
 phoenix_v2.menu.eesz.4M2M.build.flash_size=4M
 phoenix_v2.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -1559,6 +1694,9 @@ phoenix_v2.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 phoenix_v2.menu.eesz.4M2M.build.spiffs_pagesize=256
 phoenix_v2.menu.eesz.4M2M.upload.maximum_size=1044464
 phoenix_v2.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+phoenix_v2.menu.eesz.4M2M.build.spiffs_start=0x200000
+phoenix_v2.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+phoenix_v2.menu.eesz.4M2M.build.spiffs_blocksize=8192
 phoenix_v2.menu.eesz.4M3M=4M (3M SPIFFS)
 phoenix_v2.menu.eesz.4M3M.build.flash_size=4M
 phoenix_v2.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -1566,6 +1704,9 @@ phoenix_v2.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 phoenix_v2.menu.eesz.4M3M.build.spiffs_pagesize=256
 phoenix_v2.menu.eesz.4M3M.upload.maximum_size=1044464
 phoenix_v2.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+phoenix_v2.menu.eesz.4M3M.build.spiffs_start=0x100000
+phoenix_v2.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+phoenix_v2.menu.eesz.4M3M.build.spiffs_blocksize=8192
 phoenix_v2.menu.ResetMethod.ck=ck
 phoenix_v2.menu.ResetMethod.ck.upload.resetmethod=ck
 phoenix_v2.menu.ResetMethod.nodemcu=nodemcu
@@ -1708,6 +1849,9 @@ nodemcu.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 nodemcu.menu.eesz.4M1M.build.spiffs_pagesize=256
 nodemcu.menu.eesz.4M1M.upload.maximum_size=1044464
 nodemcu.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+nodemcu.menu.eesz.4M1M.build.spiffs_start=0x300000
+nodemcu.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+nodemcu.menu.eesz.4M1M.build.spiffs_blocksize=8192
 nodemcu.menu.eesz.4M2M=4M (2M SPIFFS)
 nodemcu.menu.eesz.4M2M.build.flash_size=4M
 nodemcu.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -1715,6 +1859,9 @@ nodemcu.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 nodemcu.menu.eesz.4M2M.build.spiffs_pagesize=256
 nodemcu.menu.eesz.4M2M.upload.maximum_size=1044464
 nodemcu.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+nodemcu.menu.eesz.4M2M.build.spiffs_start=0x200000
+nodemcu.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+nodemcu.menu.eesz.4M2M.build.spiffs_blocksize=8192
 nodemcu.menu.eesz.4M3M=4M (3M SPIFFS)
 nodemcu.menu.eesz.4M3M.build.flash_size=4M
 nodemcu.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -1722,6 +1869,9 @@ nodemcu.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 nodemcu.menu.eesz.4M3M.build.spiffs_pagesize=256
 nodemcu.menu.eesz.4M3M.upload.maximum_size=1044464
 nodemcu.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+nodemcu.menu.eesz.4M3M.build.spiffs_start=0x100000
+nodemcu.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+nodemcu.menu.eesz.4M3M.build.spiffs_blocksize=8192
 nodemcu.menu.ip.lm2=v2 Lower Memory
 nodemcu.menu.ip.lm2.build.lwip_include=lwip2/include
 nodemcu.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -1860,6 +2010,9 @@ nodemcuv2.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 nodemcuv2.menu.eesz.4M1M.build.spiffs_pagesize=256
 nodemcuv2.menu.eesz.4M1M.upload.maximum_size=1044464
 nodemcuv2.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+nodemcuv2.menu.eesz.4M1M.build.spiffs_start=0x300000
+nodemcuv2.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+nodemcuv2.menu.eesz.4M1M.build.spiffs_blocksize=8192
 nodemcuv2.menu.eesz.4M2M=4M (2M SPIFFS)
 nodemcuv2.menu.eesz.4M2M.build.flash_size=4M
 nodemcuv2.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -1867,6 +2020,9 @@ nodemcuv2.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 nodemcuv2.menu.eesz.4M2M.build.spiffs_pagesize=256
 nodemcuv2.menu.eesz.4M2M.upload.maximum_size=1044464
 nodemcuv2.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+nodemcuv2.menu.eesz.4M2M.build.spiffs_start=0x200000
+nodemcuv2.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+nodemcuv2.menu.eesz.4M2M.build.spiffs_blocksize=8192
 nodemcuv2.menu.eesz.4M3M=4M (3M SPIFFS)
 nodemcuv2.menu.eesz.4M3M.build.flash_size=4M
 nodemcuv2.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -1874,6 +2030,9 @@ nodemcuv2.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 nodemcuv2.menu.eesz.4M3M.build.spiffs_pagesize=256
 nodemcuv2.menu.eesz.4M3M.upload.maximum_size=1044464
 nodemcuv2.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+nodemcuv2.menu.eesz.4M3M.build.spiffs_start=0x100000
+nodemcuv2.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+nodemcuv2.menu.eesz.4M3M.build.spiffs_blocksize=8192
 nodemcuv2.menu.ip.lm2=v2 Lower Memory
 nodemcuv2.menu.ip.lm2.build.lwip_include=lwip2/include
 nodemcuv2.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -2012,6 +2171,9 @@ modwifi.menu.eesz.2M512.build.flash_ld=eagle.flash.2m512.ld
 modwifi.menu.eesz.2M512.build.spiffs_pagesize=256
 modwifi.menu.eesz.2M512.upload.maximum_size=1044464
 modwifi.menu.eesz.2M512.build.rfcal_addr=0x1FC000
+modwifi.menu.eesz.2M512.build.spiffs_start=0x180000
+modwifi.menu.eesz.2M512.build.spiffs_end=0x1FB000
+modwifi.menu.eesz.2M512.build.spiffs_blocksize=8192
 modwifi.menu.eesz.2M1M=2M (1M SPIFFS)
 modwifi.menu.eesz.2M1M.build.flash_size=2M
 modwifi.menu.eesz.2M1M.build.flash_size_bytes=0x200000
@@ -2019,6 +2181,9 @@ modwifi.menu.eesz.2M1M.build.flash_ld=eagle.flash.2m1m.ld
 modwifi.menu.eesz.2M1M.build.spiffs_pagesize=256
 modwifi.menu.eesz.2M1M.upload.maximum_size=1044464
 modwifi.menu.eesz.2M1M.build.rfcal_addr=0x1FC000
+modwifi.menu.eesz.2M1M.build.spiffs_start=0x100000
+modwifi.menu.eesz.2M1M.build.spiffs_end=0x1FB000
+modwifi.menu.eesz.2M1M.build.spiffs_blocksize=8192
 modwifi.menu.ip.lm2=v2 Lower Memory
 modwifi.menu.ip.lm2.build.lwip_include=lwip2/include
 modwifi.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -2157,6 +2322,9 @@ thing.menu.eesz.512K32.build.flash_ld=eagle.flash.512k32.ld
 thing.menu.eesz.512K32.build.spiffs_pagesize=256
 thing.menu.eesz.512K32.upload.maximum_size=466928
 thing.menu.eesz.512K32.build.rfcal_addr=0x7C000
+thing.menu.eesz.512K32.build.spiffs_start=0x73000
+thing.menu.eesz.512K32.build.spiffs_end=0x7B000
+thing.menu.eesz.512K32.build.spiffs_blocksize=4096
 thing.menu.eesz.512K64=512K (64K SPIFFS)
 thing.menu.eesz.512K64.build.flash_size=512K
 thing.menu.eesz.512K64.build.flash_size_bytes=0x80000
@@ -2164,6 +2332,9 @@ thing.menu.eesz.512K64.build.flash_ld=eagle.flash.512k64.ld
 thing.menu.eesz.512K64.build.spiffs_pagesize=256
 thing.menu.eesz.512K64.upload.maximum_size=434160
 thing.menu.eesz.512K64.build.rfcal_addr=0x7C000
+thing.menu.eesz.512K64.build.spiffs_start=0x6B000
+thing.menu.eesz.512K64.build.spiffs_end=0x7B000
+thing.menu.eesz.512K64.build.spiffs_blocksize=4096
 thing.menu.eesz.512K128=512K (128K SPIFFS)
 thing.menu.eesz.512K128.build.flash_size=512K
 thing.menu.eesz.512K128.build.flash_size_bytes=0x80000
@@ -2171,6 +2342,9 @@ thing.menu.eesz.512K128.build.flash_ld=eagle.flash.512k128.ld
 thing.menu.eesz.512K128.build.spiffs_pagesize=256
 thing.menu.eesz.512K128.upload.maximum_size=368624
 thing.menu.eesz.512K128.build.rfcal_addr=0x7C000
+thing.menu.eesz.512K128.build.spiffs_start=0x5B000
+thing.menu.eesz.512K128.build.spiffs_end=0x7B000
+thing.menu.eesz.512K128.build.spiffs_blocksize=4096
 thing.menu.ip.lm2=v2 Lower Memory
 thing.menu.ip.lm2.build.lwip_include=lwip2/include
 thing.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -2309,6 +2483,9 @@ thingdev.menu.eesz.512K32.build.flash_ld=eagle.flash.512k32.ld
 thingdev.menu.eesz.512K32.build.spiffs_pagesize=256
 thingdev.menu.eesz.512K32.upload.maximum_size=466928
 thingdev.menu.eesz.512K32.build.rfcal_addr=0x7C000
+thingdev.menu.eesz.512K32.build.spiffs_start=0x73000
+thingdev.menu.eesz.512K32.build.spiffs_end=0x7B000
+thingdev.menu.eesz.512K32.build.spiffs_blocksize=4096
 thingdev.menu.eesz.512K64=512K (64K SPIFFS)
 thingdev.menu.eesz.512K64.build.flash_size=512K
 thingdev.menu.eesz.512K64.build.flash_size_bytes=0x80000
@@ -2316,6 +2493,9 @@ thingdev.menu.eesz.512K64.build.flash_ld=eagle.flash.512k64.ld
 thingdev.menu.eesz.512K64.build.spiffs_pagesize=256
 thingdev.menu.eesz.512K64.upload.maximum_size=434160
 thingdev.menu.eesz.512K64.build.rfcal_addr=0x7C000
+thingdev.menu.eesz.512K64.build.spiffs_start=0x6B000
+thingdev.menu.eesz.512K64.build.spiffs_end=0x7B000
+thingdev.menu.eesz.512K64.build.spiffs_blocksize=4096
 thingdev.menu.eesz.512K128=512K (128K SPIFFS)
 thingdev.menu.eesz.512K128.build.flash_size=512K
 thingdev.menu.eesz.512K128.build.flash_size_bytes=0x80000
@@ -2323,6 +2503,9 @@ thingdev.menu.eesz.512K128.build.flash_ld=eagle.flash.512k128.ld
 thingdev.menu.eesz.512K128.build.spiffs_pagesize=256
 thingdev.menu.eesz.512K128.upload.maximum_size=368624
 thingdev.menu.eesz.512K128.build.rfcal_addr=0x7C000
+thingdev.menu.eesz.512K128.build.spiffs_start=0x5B000
+thingdev.menu.eesz.512K128.build.spiffs_end=0x7B000
+thingdev.menu.eesz.512K128.build.spiffs_blocksize=4096
 thingdev.menu.ip.lm2=v2 Lower Memory
 thingdev.menu.ip.lm2.build.lwip_include=lwip2/include
 thingdev.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -2461,6 +2644,9 @@ esp210.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 esp210.menu.eesz.4M1M.build.spiffs_pagesize=256
 esp210.menu.eesz.4M1M.upload.maximum_size=1044464
 esp210.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+esp210.menu.eesz.4M1M.build.spiffs_start=0x300000
+esp210.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+esp210.menu.eesz.4M1M.build.spiffs_blocksize=8192
 esp210.menu.eesz.4M2M=4M (2M SPIFFS)
 esp210.menu.eesz.4M2M.build.flash_size=4M
 esp210.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -2468,6 +2654,9 @@ esp210.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 esp210.menu.eesz.4M2M.build.spiffs_pagesize=256
 esp210.menu.eesz.4M2M.upload.maximum_size=1044464
 esp210.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+esp210.menu.eesz.4M2M.build.spiffs_start=0x200000
+esp210.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+esp210.menu.eesz.4M2M.build.spiffs_blocksize=8192
 esp210.menu.eesz.4M3M=4M (3M SPIFFS)
 esp210.menu.eesz.4M3M.build.flash_size=4M
 esp210.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -2475,6 +2664,9 @@ esp210.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 esp210.menu.eesz.4M3M.build.spiffs_pagesize=256
 esp210.menu.eesz.4M3M.upload.maximum_size=1044464
 esp210.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+esp210.menu.eesz.4M3M.build.spiffs_start=0x100000
+esp210.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+esp210.menu.eesz.4M3M.build.spiffs_blocksize=8192
 esp210.menu.ip.lm2=v2 Lower Memory
 esp210.menu.ip.lm2.build.lwip_include=lwip2/include
 esp210.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -2613,6 +2805,9 @@ d1_mini.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 d1_mini.menu.eesz.4M1M.build.spiffs_pagesize=256
 d1_mini.menu.eesz.4M1M.upload.maximum_size=1044464
 d1_mini.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+d1_mini.menu.eesz.4M1M.build.spiffs_start=0x300000
+d1_mini.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+d1_mini.menu.eesz.4M1M.build.spiffs_blocksize=8192
 d1_mini.menu.eesz.4M2M=4M (2M SPIFFS)
 d1_mini.menu.eesz.4M2M.build.flash_size=4M
 d1_mini.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -2620,6 +2815,9 @@ d1_mini.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 d1_mini.menu.eesz.4M2M.build.spiffs_pagesize=256
 d1_mini.menu.eesz.4M2M.upload.maximum_size=1044464
 d1_mini.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+d1_mini.menu.eesz.4M2M.build.spiffs_start=0x200000
+d1_mini.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+d1_mini.menu.eesz.4M2M.build.spiffs_blocksize=8192
 d1_mini.menu.eesz.4M3M=4M (3M SPIFFS)
 d1_mini.menu.eesz.4M3M.build.flash_size=4M
 d1_mini.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -2627,6 +2825,9 @@ d1_mini.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 d1_mini.menu.eesz.4M3M.build.spiffs_pagesize=256
 d1_mini.menu.eesz.4M3M.upload.maximum_size=1044464
 d1_mini.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+d1_mini.menu.eesz.4M3M.build.spiffs_start=0x100000
+d1_mini.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+d1_mini.menu.eesz.4M3M.build.spiffs_blocksize=8192
 d1_mini.menu.ip.lm2=v2 Lower Memory
 d1_mini.menu.ip.lm2.build.lwip_include=lwip2/include
 d1_mini.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -2758,6 +2959,9 @@ d1_mini_pro.menu.eesz.16M14M.build.flash_ld=eagle.flash.16m14m.ld
 d1_mini_pro.menu.eesz.16M14M.build.spiffs_pagesize=256
 d1_mini_pro.menu.eesz.16M14M.upload.maximum_size=1044464
 d1_mini_pro.menu.eesz.16M14M.build.rfcal_addr=0xFFC000
+d1_mini_pro.menu.eesz.16M14M.build.spiffs_start=0x200000
+d1_mini_pro.menu.eesz.16M14M.build.spiffs_end=0xFFB000
+d1_mini_pro.menu.eesz.16M14M.build.spiffs_blocksize=8192
 d1_mini_pro.menu.eesz.16M15M=16M (15M SPIFFS)
 d1_mini_pro.menu.eesz.16M15M.build.flash_size=16M
 d1_mini_pro.menu.eesz.16M15M.build.flash_size_bytes=0x1000000
@@ -2765,6 +2969,9 @@ d1_mini_pro.menu.eesz.16M15M.build.flash_ld=eagle.flash.16m15m.ld
 d1_mini_pro.menu.eesz.16M15M.build.spiffs_pagesize=256
 d1_mini_pro.menu.eesz.16M15M.upload.maximum_size=1044464
 d1_mini_pro.menu.eesz.16M15M.build.rfcal_addr=0xFFC000
+d1_mini_pro.menu.eesz.16M15M.build.spiffs_start=0x100000
+d1_mini_pro.menu.eesz.16M15M.build.spiffs_end=0xFFB000
+d1_mini_pro.menu.eesz.16M15M.build.spiffs_blocksize=8192
 d1_mini_pro.menu.ip.lm2=v2 Lower Memory
 d1_mini_pro.menu.ip.lm2.build.lwip_include=lwip2/include
 d1_mini_pro.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -2903,6 +3110,9 @@ d1_mini_lite.menu.eesz.1M64.build.flash_ld=eagle.flash.1m64.ld
 d1_mini_lite.menu.eesz.1M64.build.spiffs_pagesize=256
 d1_mini_lite.menu.eesz.1M64.upload.maximum_size=958448
 d1_mini_lite.menu.eesz.1M64.build.rfcal_addr=0xFC000
+d1_mini_lite.menu.eesz.1M64.build.spiffs_start=0xEB000
+d1_mini_lite.menu.eesz.1M64.build.spiffs_end=0xFB000
+d1_mini_lite.menu.eesz.1M64.build.spiffs_blocksize=4096
 d1_mini_lite.menu.eesz.1M128=1M (128K SPIFFS)
 d1_mini_lite.menu.eesz.1M128.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M128.build.flash_size_bytes=0x100000
@@ -2910,6 +3120,9 @@ d1_mini_lite.menu.eesz.1M128.build.flash_ld=eagle.flash.1m128.ld
 d1_mini_lite.menu.eesz.1M128.build.spiffs_pagesize=256
 d1_mini_lite.menu.eesz.1M128.upload.maximum_size=892912
 d1_mini_lite.menu.eesz.1M128.build.rfcal_addr=0xFC000
+d1_mini_lite.menu.eesz.1M128.build.spiffs_start=0xDB000
+d1_mini_lite.menu.eesz.1M128.build.spiffs_end=0xFB000
+d1_mini_lite.menu.eesz.1M128.build.spiffs_blocksize=4096
 d1_mini_lite.menu.eesz.1M144=1M (144K SPIFFS)
 d1_mini_lite.menu.eesz.1M144.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M144.build.flash_size_bytes=0x100000
@@ -2917,6 +3130,9 @@ d1_mini_lite.menu.eesz.1M144.build.flash_ld=eagle.flash.1m144.ld
 d1_mini_lite.menu.eesz.1M144.build.spiffs_pagesize=256
 d1_mini_lite.menu.eesz.1M144.upload.maximum_size=876528
 d1_mini_lite.menu.eesz.1M144.build.rfcal_addr=0xFC000
+d1_mini_lite.menu.eesz.1M144.build.spiffs_start=0xD7000
+d1_mini_lite.menu.eesz.1M144.build.spiffs_end=0xFB000
+d1_mini_lite.menu.eesz.1M144.build.spiffs_blocksize=4096
 d1_mini_lite.menu.eesz.1M160=1M (160K SPIFFS)
 d1_mini_lite.menu.eesz.1M160.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M160.build.flash_size_bytes=0x100000
@@ -2924,6 +3140,9 @@ d1_mini_lite.menu.eesz.1M160.build.flash_ld=eagle.flash.1m160.ld
 d1_mini_lite.menu.eesz.1M160.build.spiffs_pagesize=256
 d1_mini_lite.menu.eesz.1M160.upload.maximum_size=860144
 d1_mini_lite.menu.eesz.1M160.build.rfcal_addr=0xFC000
+d1_mini_lite.menu.eesz.1M160.build.spiffs_start=0xD3000
+d1_mini_lite.menu.eesz.1M160.build.spiffs_end=0xFB000
+d1_mini_lite.menu.eesz.1M160.build.spiffs_blocksize=4096
 d1_mini_lite.menu.eesz.1M192=1M (192K SPIFFS)
 d1_mini_lite.menu.eesz.1M192.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M192.build.flash_size_bytes=0x100000
@@ -2931,6 +3150,9 @@ d1_mini_lite.menu.eesz.1M192.build.flash_ld=eagle.flash.1m192.ld
 d1_mini_lite.menu.eesz.1M192.build.spiffs_pagesize=256
 d1_mini_lite.menu.eesz.1M192.upload.maximum_size=827376
 d1_mini_lite.menu.eesz.1M192.build.rfcal_addr=0xFC000
+d1_mini_lite.menu.eesz.1M192.build.spiffs_start=0xCB000
+d1_mini_lite.menu.eesz.1M192.build.spiffs_end=0xFB000
+d1_mini_lite.menu.eesz.1M192.build.spiffs_blocksize=4096
 d1_mini_lite.menu.eesz.1M256=1M (256K SPIFFS)
 d1_mini_lite.menu.eesz.1M256.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M256.build.flash_size_bytes=0x100000
@@ -2938,6 +3160,9 @@ d1_mini_lite.menu.eesz.1M256.build.flash_ld=eagle.flash.1m256.ld
 d1_mini_lite.menu.eesz.1M256.build.spiffs_pagesize=256
 d1_mini_lite.menu.eesz.1M256.upload.maximum_size=761840
 d1_mini_lite.menu.eesz.1M256.build.rfcal_addr=0xFC000
+d1_mini_lite.menu.eesz.1M256.build.spiffs_start=0xBB000
+d1_mini_lite.menu.eesz.1M256.build.spiffs_end=0xFB000
+d1_mini_lite.menu.eesz.1M256.build.spiffs_blocksize=4096
 d1_mini_lite.menu.eesz.1M512=1M (512K SPIFFS)
 d1_mini_lite.menu.eesz.1M512.build.flash_size=1M
 d1_mini_lite.menu.eesz.1M512.build.flash_size_bytes=0x100000
@@ -2945,6 +3170,9 @@ d1_mini_lite.menu.eesz.1M512.build.flash_ld=eagle.flash.1m512.ld
 d1_mini_lite.menu.eesz.1M512.build.spiffs_pagesize=256
 d1_mini_lite.menu.eesz.1M512.upload.maximum_size=499696
 d1_mini_lite.menu.eesz.1M512.build.rfcal_addr=0xFC000
+d1_mini_lite.menu.eesz.1M512.build.spiffs_start=0x7B000
+d1_mini_lite.menu.eesz.1M512.build.spiffs_end=0xFB000
+d1_mini_lite.menu.eesz.1M512.build.spiffs_blocksize=4096
 d1_mini_lite.menu.ip.lm2=v2 Lower Memory
 d1_mini_lite.menu.ip.lm2.build.lwip_include=lwip2/include
 d1_mini_lite.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -3083,6 +3311,9 @@ d1.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 d1.menu.eesz.4M1M.build.spiffs_pagesize=256
 d1.menu.eesz.4M1M.upload.maximum_size=1044464
 d1.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+d1.menu.eesz.4M1M.build.spiffs_start=0x300000
+d1.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+d1.menu.eesz.4M1M.build.spiffs_blocksize=8192
 d1.menu.eesz.4M2M=4M (2M SPIFFS)
 d1.menu.eesz.4M2M.build.flash_size=4M
 d1.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -3090,6 +3321,9 @@ d1.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 d1.menu.eesz.4M2M.build.spiffs_pagesize=256
 d1.menu.eesz.4M2M.upload.maximum_size=1044464
 d1.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+d1.menu.eesz.4M2M.build.spiffs_start=0x200000
+d1.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+d1.menu.eesz.4M2M.build.spiffs_blocksize=8192
 d1.menu.eesz.4M3M=4M (3M SPIFFS)
 d1.menu.eesz.4M3M.build.flash_size=4M
 d1.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -3097,6 +3331,9 @@ d1.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 d1.menu.eesz.4M3M.build.spiffs_pagesize=256
 d1.menu.eesz.4M3M.upload.maximum_size=1044464
 d1.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+d1.menu.eesz.4M3M.build.spiffs_start=0x100000
+d1.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+d1.menu.eesz.4M3M.build.spiffs_blocksize=8192
 d1.menu.ip.lm2=v2 Lower Memory
 d1.menu.ip.lm2.build.lwip_include=lwip2/include
 d1.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -3238,6 +3475,9 @@ espino.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 espino.menu.eesz.4M1M.build.spiffs_pagesize=256
 espino.menu.eesz.4M1M.upload.maximum_size=1044464
 espino.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+espino.menu.eesz.4M1M.build.spiffs_start=0x300000
+espino.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+espino.menu.eesz.4M1M.build.spiffs_blocksize=8192
 espino.menu.eesz.4M2M=4M (2M SPIFFS)
 espino.menu.eesz.4M2M.build.flash_size=4M
 espino.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -3245,6 +3485,9 @@ espino.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 espino.menu.eesz.4M2M.build.spiffs_pagesize=256
 espino.menu.eesz.4M2M.upload.maximum_size=1044464
 espino.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+espino.menu.eesz.4M2M.build.spiffs_start=0x200000
+espino.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+espino.menu.eesz.4M2M.build.spiffs_blocksize=8192
 espino.menu.eesz.4M3M=4M (3M SPIFFS)
 espino.menu.eesz.4M3M.build.flash_size=4M
 espino.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -3252,6 +3495,9 @@ espino.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 espino.menu.eesz.4M3M.build.spiffs_pagesize=256
 espino.menu.eesz.4M3M.upload.maximum_size=1044464
 espino.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+espino.menu.eesz.4M3M.build.spiffs_start=0x100000
+espino.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+espino.menu.eesz.4M3M.build.spiffs_blocksize=8192
 espino.menu.ip.lm2=v2 Lower Memory
 espino.menu.ip.lm2.build.lwip_include=lwip2/include
 espino.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -3390,6 +3636,9 @@ espinotee.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 espinotee.menu.eesz.4M1M.build.spiffs_pagesize=256
 espinotee.menu.eesz.4M1M.upload.maximum_size=1044464
 espinotee.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+espinotee.menu.eesz.4M1M.build.spiffs_start=0x300000
+espinotee.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+espinotee.menu.eesz.4M1M.build.spiffs_blocksize=8192
 espinotee.menu.eesz.4M2M=4M (2M SPIFFS)
 espinotee.menu.eesz.4M2M.build.flash_size=4M
 espinotee.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -3397,6 +3646,9 @@ espinotee.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 espinotee.menu.eesz.4M2M.build.spiffs_pagesize=256
 espinotee.menu.eesz.4M2M.upload.maximum_size=1044464
 espinotee.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+espinotee.menu.eesz.4M2M.build.spiffs_start=0x200000
+espinotee.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+espinotee.menu.eesz.4M2M.build.spiffs_blocksize=8192
 espinotee.menu.eesz.4M3M=4M (3M SPIFFS)
 espinotee.menu.eesz.4M3M.build.flash_size=4M
 espinotee.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -3404,6 +3656,9 @@ espinotee.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 espinotee.menu.eesz.4M3M.build.spiffs_pagesize=256
 espinotee.menu.eesz.4M3M.upload.maximum_size=1044464
 espinotee.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+espinotee.menu.eesz.4M3M.build.spiffs_start=0x100000
+espinotee.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+espinotee.menu.eesz.4M3M.build.spiffs_blocksize=8192
 espinotee.menu.ip.lm2=v2 Lower Memory
 espinotee.menu.ip.lm2.build.lwip_include=lwip2/include
 espinotee.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -3562,6 +3817,9 @@ wifinfo.menu.eesz.1M64.build.flash_ld=eagle.flash.1m64.ld
 wifinfo.menu.eesz.1M64.build.spiffs_pagesize=256
 wifinfo.menu.eesz.1M64.upload.maximum_size=958448
 wifinfo.menu.eesz.1M64.build.rfcal_addr=0xFC000
+wifinfo.menu.eesz.1M64.build.spiffs_start=0xEB000
+wifinfo.menu.eesz.1M64.build.spiffs_end=0xFB000
+wifinfo.menu.eesz.1M64.build.spiffs_blocksize=4096
 wifinfo.menu.eesz.1M128=1M (128K SPIFFS)
 wifinfo.menu.eesz.1M128.build.flash_size=1M
 wifinfo.menu.eesz.1M128.build.flash_size_bytes=0x100000
@@ -3569,6 +3827,9 @@ wifinfo.menu.eesz.1M128.build.flash_ld=eagle.flash.1m128.ld
 wifinfo.menu.eesz.1M128.build.spiffs_pagesize=256
 wifinfo.menu.eesz.1M128.upload.maximum_size=892912
 wifinfo.menu.eesz.1M128.build.rfcal_addr=0xFC000
+wifinfo.menu.eesz.1M128.build.spiffs_start=0xDB000
+wifinfo.menu.eesz.1M128.build.spiffs_end=0xFB000
+wifinfo.menu.eesz.1M128.build.spiffs_blocksize=4096
 wifinfo.menu.eesz.1M144=1M (144K SPIFFS)
 wifinfo.menu.eesz.1M144.build.flash_size=1M
 wifinfo.menu.eesz.1M144.build.flash_size_bytes=0x100000
@@ -3576,6 +3837,9 @@ wifinfo.menu.eesz.1M144.build.flash_ld=eagle.flash.1m144.ld
 wifinfo.menu.eesz.1M144.build.spiffs_pagesize=256
 wifinfo.menu.eesz.1M144.upload.maximum_size=876528
 wifinfo.menu.eesz.1M144.build.rfcal_addr=0xFC000
+wifinfo.menu.eesz.1M144.build.spiffs_start=0xD7000
+wifinfo.menu.eesz.1M144.build.spiffs_end=0xFB000
+wifinfo.menu.eesz.1M144.build.spiffs_blocksize=4096
 wifinfo.menu.eesz.1M160=1M (160K SPIFFS)
 wifinfo.menu.eesz.1M160.build.flash_size=1M
 wifinfo.menu.eesz.1M160.build.flash_size_bytes=0x100000
@@ -3583,6 +3847,9 @@ wifinfo.menu.eesz.1M160.build.flash_ld=eagle.flash.1m160.ld
 wifinfo.menu.eesz.1M160.build.spiffs_pagesize=256
 wifinfo.menu.eesz.1M160.upload.maximum_size=860144
 wifinfo.menu.eesz.1M160.build.rfcal_addr=0xFC000
+wifinfo.menu.eesz.1M160.build.spiffs_start=0xD3000
+wifinfo.menu.eesz.1M160.build.spiffs_end=0xFB000
+wifinfo.menu.eesz.1M160.build.spiffs_blocksize=4096
 wifinfo.menu.eesz.1M192=1M (192K SPIFFS)
 wifinfo.menu.eesz.1M192.build.flash_size=1M
 wifinfo.menu.eesz.1M192.build.flash_size_bytes=0x100000
@@ -3590,6 +3857,9 @@ wifinfo.menu.eesz.1M192.build.flash_ld=eagle.flash.1m192.ld
 wifinfo.menu.eesz.1M192.build.spiffs_pagesize=256
 wifinfo.menu.eesz.1M192.upload.maximum_size=827376
 wifinfo.menu.eesz.1M192.build.rfcal_addr=0xFC000
+wifinfo.menu.eesz.1M192.build.spiffs_start=0xCB000
+wifinfo.menu.eesz.1M192.build.spiffs_end=0xFB000
+wifinfo.menu.eesz.1M192.build.spiffs_blocksize=4096
 wifinfo.menu.eesz.1M256=1M (256K SPIFFS)
 wifinfo.menu.eesz.1M256.build.flash_size=1M
 wifinfo.menu.eesz.1M256.build.flash_size_bytes=0x100000
@@ -3597,6 +3867,9 @@ wifinfo.menu.eesz.1M256.build.flash_ld=eagle.flash.1m256.ld
 wifinfo.menu.eesz.1M256.build.spiffs_pagesize=256
 wifinfo.menu.eesz.1M256.upload.maximum_size=761840
 wifinfo.menu.eesz.1M256.build.rfcal_addr=0xFC000
+wifinfo.menu.eesz.1M256.build.spiffs_start=0xBB000
+wifinfo.menu.eesz.1M256.build.spiffs_end=0xFB000
+wifinfo.menu.eesz.1M256.build.spiffs_blocksize=4096
 wifinfo.menu.eesz.1M512=1M (512K SPIFFS)
 wifinfo.menu.eesz.1M512.build.flash_size=1M
 wifinfo.menu.eesz.1M512.build.flash_size_bytes=0x100000
@@ -3604,6 +3877,9 @@ wifinfo.menu.eesz.1M512.build.flash_ld=eagle.flash.1m512.ld
 wifinfo.menu.eesz.1M512.build.spiffs_pagesize=256
 wifinfo.menu.eesz.1M512.upload.maximum_size=499696
 wifinfo.menu.eesz.1M512.build.rfcal_addr=0xFC000
+wifinfo.menu.eesz.1M512.build.spiffs_start=0x7B000
+wifinfo.menu.eesz.1M512.build.spiffs_end=0xFB000
+wifinfo.menu.eesz.1M512.build.spiffs_blocksize=4096
 wifinfo.menu.ip.lm2=v2 Lower Memory
 wifinfo.menu.ip.lm2.build.lwip_include=lwip2/include
 wifinfo.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -3754,6 +4030,9 @@ arduino-esp8266.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 arduino-esp8266.menu.eesz.4M1M.build.spiffs_pagesize=256
 arduino-esp8266.menu.eesz.4M1M.upload.maximum_size=1044464
 arduino-esp8266.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+arduino-esp8266.menu.eesz.4M1M.build.spiffs_start=0x300000
+arduino-esp8266.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+arduino-esp8266.menu.eesz.4M1M.build.spiffs_blocksize=8192
 arduino-esp8266.menu.eesz.4M2M=4M (2M SPIFFS)
 arduino-esp8266.menu.eesz.4M2M.build.flash_size=4M
 arduino-esp8266.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -3761,6 +4040,9 @@ arduino-esp8266.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 arduino-esp8266.menu.eesz.4M2M.build.spiffs_pagesize=256
 arduino-esp8266.menu.eesz.4M2M.upload.maximum_size=1044464
 arduino-esp8266.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+arduino-esp8266.menu.eesz.4M2M.build.spiffs_start=0x200000
+arduino-esp8266.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+arduino-esp8266.menu.eesz.4M2M.build.spiffs_blocksize=8192
 arduino-esp8266.menu.eesz.4M3M=4M (3M SPIFFS)
 arduino-esp8266.menu.eesz.4M3M.build.flash_size=4M
 arduino-esp8266.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -3768,6 +4050,9 @@ arduino-esp8266.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 arduino-esp8266.menu.eesz.4M3M.build.spiffs_pagesize=256
 arduino-esp8266.menu.eesz.4M3M.upload.maximum_size=1044464
 arduino-esp8266.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+arduino-esp8266.menu.eesz.4M3M.build.spiffs_start=0x100000
+arduino-esp8266.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+arduino-esp8266.menu.eesz.4M3M.build.spiffs_blocksize=8192
 arduino-esp8266.menu.ip.lm2=v2 Lower Memory
 arduino-esp8266.menu.ip.lm2.build.lwip_include=lwip2/include
 arduino-esp8266.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -3907,6 +4192,9 @@ gen4iod.menu.eesz.512K32.build.flash_ld=eagle.flash.512k32.ld
 gen4iod.menu.eesz.512K32.build.spiffs_pagesize=256
 gen4iod.menu.eesz.512K32.upload.maximum_size=466928
 gen4iod.menu.eesz.512K32.build.rfcal_addr=0x7C000
+gen4iod.menu.eesz.512K32.build.spiffs_start=0x73000
+gen4iod.menu.eesz.512K32.build.spiffs_end=0x7B000
+gen4iod.menu.eesz.512K32.build.spiffs_blocksize=4096
 gen4iod.menu.eesz.512K64=512K (64K SPIFFS)
 gen4iod.menu.eesz.512K64.build.flash_size=512K
 gen4iod.menu.eesz.512K64.build.flash_size_bytes=0x80000
@@ -3914,6 +4202,9 @@ gen4iod.menu.eesz.512K64.build.flash_ld=eagle.flash.512k64.ld
 gen4iod.menu.eesz.512K64.build.spiffs_pagesize=256
 gen4iod.menu.eesz.512K64.upload.maximum_size=434160
 gen4iod.menu.eesz.512K64.build.rfcal_addr=0x7C000
+gen4iod.menu.eesz.512K64.build.spiffs_start=0x6B000
+gen4iod.menu.eesz.512K64.build.spiffs_end=0x7B000
+gen4iod.menu.eesz.512K64.build.spiffs_blocksize=4096
 gen4iod.menu.eesz.512K128=512K (128K SPIFFS)
 gen4iod.menu.eesz.512K128.build.flash_size=512K
 gen4iod.menu.eesz.512K128.build.flash_size_bytes=0x80000
@@ -3921,6 +4212,9 @@ gen4iod.menu.eesz.512K128.build.flash_ld=eagle.flash.512k128.ld
 gen4iod.menu.eesz.512K128.build.spiffs_pagesize=256
 gen4iod.menu.eesz.512K128.upload.maximum_size=368624
 gen4iod.menu.eesz.512K128.build.rfcal_addr=0x7C000
+gen4iod.menu.eesz.512K128.build.spiffs_start=0x5B000
+gen4iod.menu.eesz.512K128.build.spiffs_end=0x7B000
+gen4iod.menu.eesz.512K128.build.spiffs_blocksize=4096
 gen4iod.menu.ip.lm2=v2 Lower Memory
 gen4iod.menu.ip.lm2.build.lwip_include=lwip2/include
 gen4iod.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -4060,6 +4354,9 @@ oak.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 oak.menu.eesz.4M1M.build.spiffs_pagesize=256
 oak.menu.eesz.4M1M.upload.maximum_size=1044464
 oak.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+oak.menu.eesz.4M1M.build.spiffs_start=0x300000
+oak.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+oak.menu.eesz.4M1M.build.spiffs_blocksize=8192
 oak.menu.eesz.4M2M=4M (2M SPIFFS)
 oak.menu.eesz.4M2M.build.flash_size=4M
 oak.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -4067,6 +4364,9 @@ oak.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 oak.menu.eesz.4M2M.build.spiffs_pagesize=256
 oak.menu.eesz.4M2M.upload.maximum_size=1044464
 oak.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+oak.menu.eesz.4M2M.build.spiffs_start=0x200000
+oak.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+oak.menu.eesz.4M2M.build.spiffs_blocksize=8192
 oak.menu.eesz.4M3M=4M (3M SPIFFS)
 oak.menu.eesz.4M3M.build.flash_size=4M
 oak.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -4074,6 +4374,9 @@ oak.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 oak.menu.eesz.4M3M.build.spiffs_pagesize=256
 oak.menu.eesz.4M3M.upload.maximum_size=1044464
 oak.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+oak.menu.eesz.4M3M.build.spiffs_start=0x100000
+oak.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+oak.menu.eesz.4M3M.build.spiffs_blocksize=8192
 oak.menu.ip.lm2=v2 Lower Memory
 oak.menu.ip.lm2.build.lwip_include=lwip2/include
 oak.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -4212,6 +4515,9 @@ wifiduino.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 wifiduino.menu.eesz.4M1M.build.spiffs_pagesize=256
 wifiduino.menu.eesz.4M1M.upload.maximum_size=1044464
 wifiduino.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+wifiduino.menu.eesz.4M1M.build.spiffs_start=0x300000
+wifiduino.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+wifiduino.menu.eesz.4M1M.build.spiffs_blocksize=8192
 wifiduino.menu.eesz.4M2M=4M (2M SPIFFS)
 wifiduino.menu.eesz.4M2M.build.flash_size=4M
 wifiduino.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -4219,6 +4525,9 @@ wifiduino.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 wifiduino.menu.eesz.4M2M.build.spiffs_pagesize=256
 wifiduino.menu.eesz.4M2M.upload.maximum_size=1044464
 wifiduino.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+wifiduino.menu.eesz.4M2M.build.spiffs_start=0x200000
+wifiduino.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+wifiduino.menu.eesz.4M2M.build.spiffs_blocksize=8192
 wifiduino.menu.eesz.4M3M=4M (3M SPIFFS)
 wifiduino.menu.eesz.4M3M.build.flash_size=4M
 wifiduino.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -4226,6 +4535,9 @@ wifiduino.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 wifiduino.menu.eesz.4M3M.build.spiffs_pagesize=256
 wifiduino.menu.eesz.4M3M.upload.maximum_size=1044464
 wifiduino.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+wifiduino.menu.eesz.4M3M.build.spiffs_start=0x100000
+wifiduino.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+wifiduino.menu.eesz.4M3M.build.spiffs_blocksize=8192
 wifiduino.menu.ip.lm2=v2 Lower Memory
 wifiduino.menu.ip.lm2.build.lwip_include=lwip2/include
 wifiduino.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -4374,6 +4686,9 @@ wifi_slot.menu.eesz.1M64.build.flash_ld=eagle.flash.1m64.ld
 wifi_slot.menu.eesz.1M64.build.spiffs_pagesize=256
 wifi_slot.menu.eesz.1M64.upload.maximum_size=958448
 wifi_slot.menu.eesz.1M64.build.rfcal_addr=0xFC000
+wifi_slot.menu.eesz.1M64.build.spiffs_start=0xEB000
+wifi_slot.menu.eesz.1M64.build.spiffs_end=0xFB000
+wifi_slot.menu.eesz.1M64.build.spiffs_blocksize=4096
 wifi_slot.menu.eesz.1M128=1M (128K SPIFFS)
 wifi_slot.menu.eesz.1M128.build.flash_size=1M
 wifi_slot.menu.eesz.1M128.build.flash_size_bytes=0x100000
@@ -4381,6 +4696,9 @@ wifi_slot.menu.eesz.1M128.build.flash_ld=eagle.flash.1m128.ld
 wifi_slot.menu.eesz.1M128.build.spiffs_pagesize=256
 wifi_slot.menu.eesz.1M128.upload.maximum_size=892912
 wifi_slot.menu.eesz.1M128.build.rfcal_addr=0xFC000
+wifi_slot.menu.eesz.1M128.build.spiffs_start=0xDB000
+wifi_slot.menu.eesz.1M128.build.spiffs_end=0xFB000
+wifi_slot.menu.eesz.1M128.build.spiffs_blocksize=4096
 wifi_slot.menu.eesz.1M144=1M (144K SPIFFS)
 wifi_slot.menu.eesz.1M144.build.flash_size=1M
 wifi_slot.menu.eesz.1M144.build.flash_size_bytes=0x100000
@@ -4388,6 +4706,9 @@ wifi_slot.menu.eesz.1M144.build.flash_ld=eagle.flash.1m144.ld
 wifi_slot.menu.eesz.1M144.build.spiffs_pagesize=256
 wifi_slot.menu.eesz.1M144.upload.maximum_size=876528
 wifi_slot.menu.eesz.1M144.build.rfcal_addr=0xFC000
+wifi_slot.menu.eesz.1M144.build.spiffs_start=0xD7000
+wifi_slot.menu.eesz.1M144.build.spiffs_end=0xFB000
+wifi_slot.menu.eesz.1M144.build.spiffs_blocksize=4096
 wifi_slot.menu.eesz.1M160=1M (160K SPIFFS)
 wifi_slot.menu.eesz.1M160.build.flash_size=1M
 wifi_slot.menu.eesz.1M160.build.flash_size_bytes=0x100000
@@ -4395,6 +4716,9 @@ wifi_slot.menu.eesz.1M160.build.flash_ld=eagle.flash.1m160.ld
 wifi_slot.menu.eesz.1M160.build.spiffs_pagesize=256
 wifi_slot.menu.eesz.1M160.upload.maximum_size=860144
 wifi_slot.menu.eesz.1M160.build.rfcal_addr=0xFC000
+wifi_slot.menu.eesz.1M160.build.spiffs_start=0xD3000
+wifi_slot.menu.eesz.1M160.build.spiffs_end=0xFB000
+wifi_slot.menu.eesz.1M160.build.spiffs_blocksize=4096
 wifi_slot.menu.eesz.1M192=1M (192K SPIFFS)
 wifi_slot.menu.eesz.1M192.build.flash_size=1M
 wifi_slot.menu.eesz.1M192.build.flash_size_bytes=0x100000
@@ -4402,6 +4726,9 @@ wifi_slot.menu.eesz.1M192.build.flash_ld=eagle.flash.1m192.ld
 wifi_slot.menu.eesz.1M192.build.spiffs_pagesize=256
 wifi_slot.menu.eesz.1M192.upload.maximum_size=827376
 wifi_slot.menu.eesz.1M192.build.rfcal_addr=0xFC000
+wifi_slot.menu.eesz.1M192.build.spiffs_start=0xCB000
+wifi_slot.menu.eesz.1M192.build.spiffs_end=0xFB000
+wifi_slot.menu.eesz.1M192.build.spiffs_blocksize=4096
 wifi_slot.menu.eesz.1M256=1M (256K SPIFFS)
 wifi_slot.menu.eesz.1M256.build.flash_size=1M
 wifi_slot.menu.eesz.1M256.build.flash_size_bytes=0x100000
@@ -4409,6 +4736,9 @@ wifi_slot.menu.eesz.1M256.build.flash_ld=eagle.flash.1m256.ld
 wifi_slot.menu.eesz.1M256.build.spiffs_pagesize=256
 wifi_slot.menu.eesz.1M256.upload.maximum_size=761840
 wifi_slot.menu.eesz.1M256.build.rfcal_addr=0xFC000
+wifi_slot.menu.eesz.1M256.build.spiffs_start=0xBB000
+wifi_slot.menu.eesz.1M256.build.spiffs_end=0xFB000
+wifi_slot.menu.eesz.1M256.build.spiffs_blocksize=4096
 wifi_slot.menu.eesz.1M512=1M (512K SPIFFS)
 wifi_slot.menu.eesz.1M512.build.flash_size=1M
 wifi_slot.menu.eesz.1M512.build.flash_size_bytes=0x100000
@@ -4416,6 +4746,9 @@ wifi_slot.menu.eesz.1M512.build.flash_ld=eagle.flash.1m512.ld
 wifi_slot.menu.eesz.1M512.build.spiffs_pagesize=256
 wifi_slot.menu.eesz.1M512.upload.maximum_size=499696
 wifi_slot.menu.eesz.1M512.build.rfcal_addr=0xFC000
+wifi_slot.menu.eesz.1M512.build.spiffs_start=0x7B000
+wifi_slot.menu.eesz.1M512.build.spiffs_end=0xFB000
+wifi_slot.menu.eesz.1M512.build.spiffs_blocksize=4096
 wifi_slot.menu.eesz.2M=2M (no SPIFFS)
 wifi_slot.menu.eesz.2M.build.flash_size=2M
 wifi_slot.menu.eesz.2M.build.flash_size_bytes=0x200000
@@ -4430,6 +4763,9 @@ wifi_slot.menu.eesz.2M512.build.flash_ld=eagle.flash.2m512.ld
 wifi_slot.menu.eesz.2M512.build.spiffs_pagesize=256
 wifi_slot.menu.eesz.2M512.upload.maximum_size=1044464
 wifi_slot.menu.eesz.2M512.build.rfcal_addr=0x1FC000
+wifi_slot.menu.eesz.2M512.build.spiffs_start=0x180000
+wifi_slot.menu.eesz.2M512.build.spiffs_end=0x1FB000
+wifi_slot.menu.eesz.2M512.build.spiffs_blocksize=8192
 wifi_slot.menu.eesz.2M1M=2M (1M SPIFFS)
 wifi_slot.menu.eesz.2M1M.build.flash_size=2M
 wifi_slot.menu.eesz.2M1M.build.flash_size_bytes=0x200000
@@ -4437,6 +4773,9 @@ wifi_slot.menu.eesz.2M1M.build.flash_ld=eagle.flash.2m1m.ld
 wifi_slot.menu.eesz.2M1M.build.spiffs_pagesize=256
 wifi_slot.menu.eesz.2M1M.upload.maximum_size=1044464
 wifi_slot.menu.eesz.2M1M.build.rfcal_addr=0x1FC000
+wifi_slot.menu.eesz.2M1M.build.spiffs_start=0x100000
+wifi_slot.menu.eesz.2M1M.build.spiffs_end=0x1FB000
+wifi_slot.menu.eesz.2M1M.build.spiffs_blocksize=8192
 wifi_slot.menu.ip.lm2=v2 Lower Memory
 wifi_slot.menu.ip.lm2.build.lwip_include=lwip2/include
 wifi_slot.menu.ip.lm2.build.lwip_lib=-llwip2
@@ -4575,6 +4914,9 @@ wiolink.menu.eesz.4M1M.build.flash_ld=eagle.flash.4m1m.ld
 wiolink.menu.eesz.4M1M.build.spiffs_pagesize=256
 wiolink.menu.eesz.4M1M.upload.maximum_size=1044464
 wiolink.menu.eesz.4M1M.build.rfcal_addr=0x3FC000
+wiolink.menu.eesz.4M1M.build.spiffs_start=0x300000
+wiolink.menu.eesz.4M1M.build.spiffs_end=0x3FB000
+wiolink.menu.eesz.4M1M.build.spiffs_blocksize=8192
 wiolink.menu.eesz.4M2M=4M (2M SPIFFS)
 wiolink.menu.eesz.4M2M.build.flash_size=4M
 wiolink.menu.eesz.4M2M.build.flash_size_bytes=0x400000
@@ -4582,6 +4924,9 @@ wiolink.menu.eesz.4M2M.build.flash_ld=eagle.flash.4m2m.ld
 wiolink.menu.eesz.4M2M.build.spiffs_pagesize=256
 wiolink.menu.eesz.4M2M.upload.maximum_size=1044464
 wiolink.menu.eesz.4M2M.build.rfcal_addr=0x3FC000
+wiolink.menu.eesz.4M2M.build.spiffs_start=0x200000
+wiolink.menu.eesz.4M2M.build.spiffs_end=0x3FB000
+wiolink.menu.eesz.4M2M.build.spiffs_blocksize=8192
 wiolink.menu.eesz.4M3M=4M (3M SPIFFS)
 wiolink.menu.eesz.4M3M.build.flash_size=4M
 wiolink.menu.eesz.4M3M.build.flash_size_bytes=0x400000
@@ -4589,6 +4934,9 @@ wiolink.menu.eesz.4M3M.build.flash_ld=eagle.flash.4m3m.ld
 wiolink.menu.eesz.4M3M.build.spiffs_pagesize=256
 wiolink.menu.eesz.4M3M.upload.maximum_size=1044464
 wiolink.menu.eesz.4M3M.build.rfcal_addr=0x3FC000
+wiolink.menu.eesz.4M3M.build.spiffs_start=0x100000
+wiolink.menu.eesz.4M3M.build.spiffs_end=0x3FB000
+wiolink.menu.eesz.4M3M.build.spiffs_blocksize=8192
 wiolink.menu.ip.lm2=v2 Lower Memory
 wiolink.menu.ip.lm2.build.lwip_include=lwip2/include
 wiolink.menu.ip.lm2.build.lwip_lib=-llwip2
diff --git a/tools/boards.txt.py b/tools/boards.txt.py
index 295f4ace47..f00f3633f5 100755
--- a/tools/boards.txt.py
+++ b/tools/boards.txt.py
@@ -1119,12 +1119,12 @@ def flash_map (flashsize_kb, spiffs_kb = 0):
         ( menu + '.upload.maximum_size', "%i" % max_upload_size ),
         ( menub + 'rfcal_addr', "0x%X" % rfcal_addr)
         ])
-    #if spiffs_kb > 0:
-    #    d.update(collections.OrderedDict([
-    #        ( menub + 'spiffs_start', "0x%05X" % spiffs_start ),
-    #        ( menub + 'spiffs_end', "0x%05X" % spiffs_end ),
-    #        ( menub + 'spiffs_blocksize', "%i" % spiffs_blocksize ),
-    #        ]))
+    if spiffs_kb > 0:
+        d.update(collections.OrderedDict([
+            ( menub + 'spiffs_start', "0x%05X" % spiffs_start ),
+            ( menub + 'spiffs_end', "0x%05X" % spiffs_end ),
+            ( menub + 'spiffs_blocksize', "%i" % spiffs_blocksize ),
+            ]))
 
     if ldshow:
         if ldgen: