format the file system

[devnull]

I assumed that esptool erase_flash would erase my user files but it does not, and it appears that my file system is corrupted as when I list the root folder, there are dozens of lines with just a dot "." and no file name.

Is there a way to erase or re-format the file system ??

When I list using ampy I get:

Code: Select all

.
.
.
main.py
.
.
.

with os.listdir() I get :

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'\x00\x00\x00\x00\x00\x00\x00\x00.\x00\x00\x00', '\x00\x00\x00\x00\x00\x00\x00\x00.\x00\x00\x00', '\x00\x00\x00\x00\x00\x00\x00\x00.\x00\x00\x00', '\x00\x00\x00\x00\x00\x00\x00\x00.\x00\x00\x00',

[devnull]

OK, answering my own post here:

Code: Select all

import os
import flashbdev
os.VfsFat.mkfs(flashbdev.bdev)

[chh55]

Hi.
It seems that I have the same problem.
Tried:
import os
import flashbdev
os.VfsFat.mkfs(flashbdev.bdev)

But I still see garbage when listing
import os
os.listdir()
x00\x00\x00\x00\x00\x00\x00\x00.\x00\x00\x00',
'\x00\x00\x00\x00\x00\x00\x00\x00.\x00\x00\x00', etc...

Also I don't see any boot.py after flashing with esp8266-20180511-v1.9.4.bin
Chip is ESP8266EX (ESP12F)

Hooe someone can help.

Thanks in advance
Claus