I'm in the process of squeezing out as much free flash space as possible on an ESP8266 for my frozen modules. This is what my current board definition looks like:
Code: Select all
boards/GENERIC_KOOJI_1M/manifest.py
::::::::::::::
include("$(PORT_DIR)/boards/manifest.py")
include("$(MPY_DIR)/extmod/uasyncio/manifest.py")
::::::::::::::
boards/GENERIC_KOOJI_1M/mpconfigboard.h
::::::::::::::
#define MICROPY_HW_BOARD_NAME "ESP module"
#define MICROPY_HW_MCU_NAME "ESP8266"
#define MICROPY_PERSISTENT_CODE_LOAD (1)
#define MICROPY_EMIT_XTENSA (1)
#define MICROPY_EMIT_INLINE_XTENSA (1)
#define MICROPY_DEBUG_PRINTERS (1)
#define MICROPY_ERROR_REPORTING (MICROPY_ERROR_REPORTING_NORMAL)
#define MICROPY_READER_VFS (MICROPY_VFS)
#define MICROPY_VFS (1)
#define MICROPY_PY_BUILTINS_SLICE_ATTRS (1)
#define MICROPY_PY_ALL_SPECIAL_METHODS (1)
#define MICROPY_PY_IO_FILEIO (1)
#define MICROPY_PY_SYS_STDIO_BUFFER (1)
#define MICROPY_PY_UASYNCIO (1)
#define MICROPY_PY_URE_SUB (1)
#define MICROPY_PY_UCRYPTOLIB (1)
#define MICROPY_PY_FRAMEBUF (1)
::::::::::::::
boards/GENERIC_KOOJI_1M/mpconfigboard.mk
::::::::::::::
LD_FILES = boards/esp8266_1m.ld
MICROPY_PY_BTREE ?= 1
MICROPY_VFS_FAT ?= 1
MICROPY_VFS_LFS2 ?= 1
FROZEN_MANIFEST ?= $(BOARD_DIR)/manifest.py
Code: Select all
::::::::::::::
boards/manifest.py
::::::::::::::
freeze("$(PORT_DIR)/modules")
#freeze("$(MPY_DIR)/tools", ("upip.py", "upip_utarfile.py"))
#freeze("$(MPY_DIR)/drivers/dht", "dht.py")
#freeze("$(MPY_DIR)/drivers/onewire")
#include("$(MPY_DIR)/extmod/webrepl/manifest.py")