ESP8266EX Can write but cant read

Posts: 1
Joined: Fri Aug 31, 2018 7:35 am

ESP8266EX Can write but cant read

Postby maxgmepe » Fri Aug 31, 2018 7:40 am


I am not sure if where the proper place to is to post this so please redirect me if you know. Thank you!

I have been working on creating my own module based off the hardware schematics of the ESP8266EX. I am flashing it using the Arduino IDE. I am able to write to the flash memory but am unable to read from it. I get the following error.

ets Jan 8 2013,rst cause:2, boot mode:(3,7)

load 0x4010f000, len 1384, room 16
tail 8
chksum 0xb9
csum 0xb9
csum err

I know I am able to write to the memory because after doing so, I remote the flash memory from my DIY module and solder it onto the ESP-01 module and find that it is running my code. I am not sure why my current module is unable to read from the memory. I have been working on this for over a week and have no other ideas on what to try. Any suggestions would be appreciated!

Posts: 1
Joined: Fri Apr 13, 2018 5:21 pm

ESP8266EX Can write but cant read

Postby Danfossvlfwdscen » Thu Sep 26, 2019 11:19 am

Then i just succeed to read a NAND flash memory. In my file I have four files DUMP which was created after reading my NAND Flash memory. Can you tell me how I can read this that contains these four files DUMP?

NAND Flash Reader v302
Bank_1 Reading done 47219 ms
Bank_2 Reading done 47140 ms
Bank_3 Reading done 46656 ms
Bank_4 Reading done 46688 ms

Thank you for you help.

Posts: 1
Joined: Mon Mar 02, 2020 4:35 pm

Re: ESP8266EX Can write but cant read

Postby tinalee » Mon Mar 02, 2020 4:41 pm

Thank mate for that information.
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