Search found 3 matches

by Atomic Roland
Mon Oct 28, 2024 11:28 am
Forum: ESP8266
Topic: I can't copy the firmware of ESP-01 module
Replies: 5
Views: 1153

Re: I can't copy the firmware of ESP-01 module

AFAIK I am reading from 0x000000,

Code: Select all

esptool.py -p /dev/ttyUSB0 -b 115200 read_flash 0 0x100000 v1.2.0.0_AT_Firmware.bin
Please note there is a 0 between the read_flash and 0x100000 and that is the address, 0x100000 is the length of the data to read.
by Atomic Roland
Fri Oct 18, 2024 6:31 pm
Forum: ESP8266
Topic: I can't copy the firmware of ESP-01 module
Replies: 5
Views: 1153

Re: I can't copy the firmware of ESP-01 module

Thank you for this hint. I am now able to see what the module is telling me: ets Jan 8 2013,rst cause:2, boot mode:(3,6) load 0x40100000, len 1856, room 16 tail 0 chksum 0x63 load 0x3ffe8000, len 776, room 8 tail 0 chksum 0x02 load 0x3ffe8310, len 552, room 8 tail 0 chksum 0x79 csum 0x79 2nd boot ve...
by Atomic Roland
Tue Oct 15, 2024 8:25 pm
Forum: ESP8266
Topic: I can't copy the firmware of ESP-01 module
Replies: 5
Views: 1153

I can't copy the firmware of ESP-01 module

Hi, I am using the ESP-01 modules for a WiFi board on my Acorn Electron, Atom, BBC Micro and System series. Up until recently, all the modules I bought worked fine but the last batch I bought has a different firmware. They report AT Version 0.21.0.0 and they often crash because of a software watchdo...