Executable segment sizes:
ICACHE : 32768 - flash instruction cache
IROM : 231756 - code in flash (default or ICACHE_FLASH_ATTR)
IRAM : 26777 / 32768 - code in IRAM (IRAM_ATTR, ISRs...)
DATA : 1496 ) - initialized variables (global, static) in RAM/HEAP
RODATA : 876 ) / 81920 - constants (global, static) in RAM/HEAP
BSS : 25608 ) - zeroed variables (global, static) in RAM/HEAP
Sketch uses 260905 bytes (24%) of program storage space. Maximum is 1044464 bytes.
Global variables use 27980 bytes (34%) of dynamic memory, leaving 53940 bytes for local variables. Maximum is 81920 bytes.
esptool.py v3.0
Serial port /dev/cu.Bluetooth-Incoming-Port
Connecting........_____....._____....._____....._____....._____....._____.....____Traceback (most recent call last):
File "/Users/natchalim/Library/Arduino15/packages/esp8266/hardware/esp8266/3.0.0/tools/upload.py", line 66, in <module>
esptool.main(cmdline)
File "/Users/natchalim/Library/Arduino15/packages/esp8266/hardware/esp8266/3.0.0/tools/esptool/esptool.py", line 3552, in main
esp.connect(args.before, args.connect_attempts)
File "/Users/natchalim/Library/Arduino15/packages/esp8266/hardware/esp8266/3.0.0/tools/esptool/esptool.py", line 529, in connect
raise FatalError('Failed to connect to %s: %s' % (self.CHIP_NAME, last_error))
esptool.FatalError: Failed to connect to ESP8266: Timed out waiting for packet header
esptool.FatalError: Failed to connect to ESP8266: Timed out waiting for packet header