Flashing AT 1.7.0 binary firmware in 32m-c1 mode not working

[c-w-e]

Hi dev team,

I tried flashing ESP8266 (32Mb) with latest AT firmware (1.7.0 binary distribution from espressif.com) using esptool.py in 32mb-c1 flash map mode using the flash adresses listet in readme.md / release notes in pdf.

Command used:
esptool.py --port /dev/ttyUSB0 --baud 115200 --chip esp8266 write_flash --flash_size 4MB-c1 0x00000 boot_v1.7.bin 0x01000 user1.2048.new.5.bin 0x3fc000 esp_init_data_default_v08.bin 0xfe000 blank.bin 0x3fe000 blank.bin

flash procedure runs through without an error but the ESP is not reacting for any serial communication afterwards using
miniterm.py --eol CRLF /dev/ttyUSB0 115200

Using the same procedure with AT v1.6.2 firmware (with adress information from related 1.6.2 version of readme.md in 32mb-c1 mode works just fine and communication with minitirm works as expected.

Any suggestions what's the issue? Is there an issue with 32mb-c1 mode in version 1.7.0?

Thanks and best regards,
c-w-e

[VincentBreton]

I have the same trouble.
All is fine with AT v1.6.2 bin firmware from Espressif web site but I met the same trouble as you get with AT v1.7 bin firmware from Espressif web site.
I Installed ESP8266 NONOS SDK V3.0.0 and I compiled "at" directory: I have the same trouble as I met with official AT v1.7 bin firmare from Espressif web site !

ets Jan 8 2013,rst cause:2, boot mode:(3,6)

load 0x40100000, len 2408, room 16
tail 8
chksum 0xe5
load 0x3ffe8000, len 776, room 0
tail 8
chksum 0x84
load 0x3ffe8310, len 632, room 0
tail 8
chksum 0xd8
csum 0xd8

2nd boot version : 1.6
SPI Speed : 40MHz
SPI Mode : DOUT
SPI Flash Size & Map: 32Mbit(512KB+512KB)
jump to run user2 @ 81000

mismatch map 5,spi_size_map 4
system_partition_table_regist fail

Here my script to produce the error. It's work fine if I change the last four lines with AT v1.6.2 bin firmware :

#!/bin/bash
./esptool.py --port /dev/ttyUSB0 erase_flash
./esptool.py --port /dev/ttyUSB0 write_flash -fs 32m -fm dout 0x3FB000 ../../ESP8266_NONOS_SDK/bin/blank.bin

./esptool.py --port /dev/ttyUSB0 write_flash -fs 32m -fm dout 0x3FC000 ../../ESP8266_NONOS_SDK/bin/esp_init_data_default_v05.bin
./esptool.py --port /dev/ttyUSB0 write_flash -fs 32m -fm dout 0x7E000 ../../ESP8266_NONOS_SDK/bin/blank.bin
./esptool.py --port /dev/ttyUSB0 write_flash -fs 32m -fm dout 0x3FE000 ../../ESP8266_NONOS_SDK/bin/blank.bin
./esptool.py --port /dev/ttyUSB0 write_flash -fs 32m -fm dout 0x00000 ../../ESP8266_NONOS_SDK/bin/boot_v1.6.bin

./esptool.py --port /dev/ttyUSB0 write_flash -fs 32m -fm dout 0x01000 /home/vincent/ESP8266_AT_Bin_V1.7/bin/at/1024+1024/user1.2048.new.5.bin
./esptool.py --port /dev/ttyUSB0 write_flash -fs 32m -fm dout 0x81000 /home/vincent/ESP8266_AT_Bin_V1.7/bin/at/1024+1024/user2.2048.new.5.bin

I hope too an issue from Espressif. An appropriate simple script similar as below will be very convenient. A sufficient and simple procedure with essential steps to get an appropriate result with the AT Bin V1.7 seems to be necessary.

[kriegste]

#168 (comment)

[c-w-e]

Can confirm that using 16Mb-c1 memory map with with ESP8266 (32Mb) for the precompiled AT firmware version downloaded from espressif.com as a temp workaround (see comment from above)
#179 (comment)

But for my understanding this means a waste of 2MB of flash memory (correct me if I‘m wrong).

If 32Mb-c1 mode is not working/not supported ans more in AT firmware 1.7.0 I think this should be mentiomed in the release documentation on espressif.com and the readme.md in NONSDK/bin/at folder should get cleaned up.

Even better would be a fix from espressif with realesing new version if this is considdered to be a bug. :)

[VincentBreton]

I'm using latest ESP8266_NONOS_SDK (Version 3.0.0). The bin file for AT commands in bin/1024+1024/ user1.2048.new.5.bin is exactly the same as the bin file provided by Espressif as the official binary 1.7 version .

You can't use it directly with an ESP8266 + 32Mbits but if I build it with the SDK it generates another one in the ./bin/uprade directory with the new name user1.4096.new.6.bin. This final file is working fine with boot_v1.7 (and also with boot_v1.6 and probably others but I don't try them) and esp_init_data_default_v08.bin (and probably others versions but I don't try them).

user1.2048.new.5.bin is not working directly with an ESP8266 + 32Mbits so I infer that the ESP8266_NONOSK_SDK built an appropriate binarie file with it.

[maxgerhardt]

I also stumbled upon this issue with my NodeMCU with 4MB flash. Here's the command I've used to get it working (16mbit-c1 map, DIO mode, 26MHz flash):

esptool.py -p COM2 erase_flash
esptool.py -p COM2 --chip esp8266 write_flash -fm dio -ff 26m --flash_size 2MB-c1 0x00000 ./bin/boot_v1.7.bin 0x01000 ./bin/at/1024+1024/user1.2048.new.5.bin 0x1fc000 ./bin/esp_init_data_default_v08.bin 0xfe000 ./bin/blank.bin 0x1fe000 ./bin/blank.bin 0x1fb000 ./bin/blank.bin

When QIO is selected it will would not work for my NodeMCU.

[nimaltd]

I'm using latest ESP8266_NONOS_SDK (Version 3.0.0). The bin file for AT commands in bin/1024+1024/ user1.2048.new.5.bin is exactly the same as the bin file provided by Espressif as the official binary 1.7 version .

You can't use it directly with an ESP8266 + 32Mbits but if I build it with the SDK it generates another one in the ./bin/uprade directory with the new name user1.4096.new.6.bin. This final file is working fine with boot_v1.7 (and also with boot_v1.6 and probably others but I don't try them) and esp_init_data_default_v08.bin (and probably others versions but I don't try them).

user1.2048.new.5.bin is not working directly with an ESP8266 + 32Mbits so I infer that the ESP8266_NONOSK_SDK built an appropriate binarie file with it.

Can you send your bin file please. And i need at_sdio version . But i can compile it .

[gsart100]

Had the same issue with ATMEGA2560 with integrated ESP8266 32M and confirmed below worked fine.

[camp0s]

Same issue here, same memory addresses, SDK 3.0, same errors.

[camp0s]

Had the same issue with ATMEGA2560 with integrated ESP8266 32M and confirmed below worked fine.

Been back on the topic, tried th settings above and they worked fine! Tnx!

[sadeqebrahimi]

Had the same issue with ATMEGA2560 with integrated ESP8266 32M and confirmed below worked fine.

same issue.
please share the solution if you solve it

[leonty]

Same problem with D1 Mini 4Mb.

[dfxhub]

Successfully flashed no-name esp-12e with 1.7.4:

esptool.py.exe -c esp8266 -p COM17 -b 115200 write_flash -ff 40m -fm qio -fs 4MB-c1 0x00000 boot_v1.7.bin 0x01000 at/1024+1024/user1.2048.new.5.bin 0x3fc000 esp_init_data_default_v08.bin 0xfe000 blank.bin 0x3fe000 blank.bin 0x3fb000 blank.bin

AT+GMR
AT version:1.7.4.0(May 11 2020 19:13:04)
SDK version:3.0.4(9532ceb)
compile time:May 27 2020 10:12:22
Bin version(Wroom 02):1.7.4
OK

Detecting chip type... ESP8266
Chip is ESP8266EX
Features: WiFi
Crystal is 26MHz
Manufacturer: 5e
Device: 4016
Detected flash size: 4MB

2nd boot version : 1.7(5d6f877)
SPI Speed : 40MHz
SPI Mode : QIO
SPI Flash Size & Map: 32Mbit(1024KB+1024KB)

All addresses from page no.3 of the manual - https://www.espressif.com/sites/default/files/documentation/4a-esp8266_at_instruction_set_en.pdf

[xcguang]

Why not RTOS AT?
https://docs.espressif.com/projects/esp-at/en/latest/
https://docs.espressif.com/projects/esp-at/en/latest/AT_Binary_Lists/ESP8266_AT_binaries.html
https://github.com/espressif/esp-at

[dfxhub]

Why not RTOS AT?
https://docs.espressif.com/projects/esp-at/en/latest/
https://docs.espressif.com/projects/esp-at/en/latest/AT_Binary_Lists/ESP8266_AT_binaries.html
https://github.com/espressif/esp-at

Sorry, I'm novice at ESP's world. )) Is that firmware better than "traditional" 1.x? Will "GPIO1 is RTS (Optional) GPIO3 is CTS (Optional)" work as default in RTOS AT?

[xcguang]

No feature will be added on v1.x. https://github.com/espressif/ESP8266_NONOS_SDK/blob/master/README.md

Now we are put more focus on RTOS AT, and will add more features, eg, IPv6, WPA3. And the commands is compatible with ESP32/ESP32S2 and later chips.