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-rw-r--r--ports/stm/supervisor/internal_flash.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/ports/stm/supervisor/internal_flash.h b/ports/stm/supervisor/internal_flash.h
index 9f16a799d..859470ff0 100644
--- a/ports/stm/supervisor/internal_flash.h
+++ b/ports/stm/supervisor/internal_flash.h
@@ -39,8 +39,12 @@
#ifdef STM32F411xE
#define STM32_FLASH_SIZE 0x80000 //512KiB
+#ifdef CIRCUITPY_NVM
+#define INTERNAL_FLASH_FILESYSTEM_SIZE 0x8000 //32KiB
+#else
#define INTERNAL_FLASH_FILESYSTEM_SIZE 0xC000 //48KiB
#endif
+#endif
#ifdef STM32F412Zx
#define STM32_FLASH_SIZE 0x100000 //1MB