Added ESP32 ROMFS variant.

exception13 · exception13 · commit 3cbd45fa4228 · 2025-05-06T16:26:35.000+03:00
diff --git a/ports/esp32/boards/ESP32_GENERIC/board.json b/ports/esp32/boards/ESP32_GENERIC/board.json
@@ -22,7 +22,8 @@
         "D2WD": "ESP32 D2WD",
         "SPIRAM": "Support for SPIRAM / WROVER",
         "UNICORE": "ESP32 Unicore",
-        "OTA": "Support for OTA"
+        "OTA": "Support for OTA",
+        "ROMFS": "Support for ROMFS"
     },
     "vendor": "Espressif"
 }
diff --git a/ports/esp32/boards/ESP32_GENERIC/board.md b/ports/esp32/boards/ESP32_GENERIC/board.md
@@ -14,5 +14,6 @@ This board has multiple variants available:
   then choose the "ota" variant. This variant has less room in the flash for
   Python files as a result of supporting OTA. Look for heading **Support for
   OTA**.
+* If you'd like to use ROMFS then choose the "romfs" variant.
 
 Otherwise, download the generic variant (under the first heading below).
diff --git a/ports/esp32/boards/ESP32_GENERIC/mpconfigvariant_ROMFS.cmake b/ports/esp32/boards/ESP32_GENERIC/mpconfigvariant_ROMFS.cmake
@@ -0,0 +1,9 @@
+set(SDKCONFIG_DEFAULTS
+    ${SDKCONFIG_DEFAULTS}
+    boards/ESP32_GENERIC/sdkconfig.romfs
+)
+
+list(APPEND MICROPY_DEF_BOARD
+    MICROPY_HW_BOARD_NAME="Generic ESP32 module with ROMFS"
+    MICROPY_VFS_ROM=1
+)
diff --git a/ports/esp32/boards/ESP32_GENERIC/sdkconfig.romfs b/ports/esp32/boards/ESP32_GENERIC/sdkconfig.romfs
@@ -0,0 +1,2 @@
+CONFIG_PARTITION_TABLE_CUSTOM=y
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions-4MiB-romfs.csv"

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+CONFIG_PARTITION_TABLE_CUSTOM=y`
	`2`	`+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions-4MiB-romfs.csv"`