Company i am working in, produses some hardware on esp8266 chip - and so i have multiple esp8266 modules from usless devices(which i got from our hw developers). But this modules not the same modules from aliexpress(for example).
https://router-help.com/
here is pdf about my module https://manualzz.com/doc/6515184/airm2m ... anual-v2.9
So this is typical esp8266 - and it's work just fine - no problems.
For developing i chose Visual Studio(cos i sw developer and VS looks like habitual for me) with plugin for it https://bbs.espressif.com/viewtopic.php?t=3577
nevermind...
I wrote simple firmware and flashed it to module with bootloader "boot 1.6" - firmware started - all just fine.
But i no need any bootloader, so i swithed to nonboot mode with generating .flash+.irom0text. Code compiled and flashed without any errors. But firmware not started, see log below(74880 speed)
CODE: SELECT ALL
ets Jan 8 2013,rst cause:2, boot mode:(3,7)
load 0x40100000, len 28424, room 16
tail 8
chksum 0xf7
load 0x3ffe8000, len 1920, room 0
tail 0
chksum 0x2d
load 0x3ffe8780, len 1116, room 8
tail 4
chksum 0x1c
csum 0x1c
Fatal exception (0):
epc1=0x4020fe54, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):
epc1=0x4020fe54, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):
epc1=0x4020fe54, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):
epc1=0x4020fe54, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
I thought problem in SPI flash size - so my flash id is 1440C8, so ie must be 8mbit = 1 mb
For experiments i tried to set 512 kb and 1 mb - but nothing changed.
Here build log
CODE: SELECT ALL
Target ESPRAM:
1> Generate : D:\HomeProjects\ESP8266_test\Generated Files\Debug\ESP8266_test.eagle.flash(0x00000).bin...
1> Moving file from "D:\HomeProjects\ESP8266_test\Generated Files\Debug\Image\eagle.app.flash.bin" to "D:\HomeProjects\ESP8266_test\Generated Files\Debug\ESP8266_test.eagle.flash(0x00000).bin".
1> Generate : D:\HomeProjects\ESP8266_test\Generated Files\Debug\ESP8266_test.eagle.irom0text.bin(0x40000).bin...
1> Moving file from "D:\HomeProjects\ESP8266_test\Generated Files\Debug\Image\eagle.app.v6.irom0text.bin" to "D:\HomeProjects\ESP8266_test\Generated Files\Debug\ESP8266_test.eagle.irom0text.bin(0x40000).bin".
1>Target ESPTOOL:
1> *** Flash Table **************************************
1> ESP Init Data adresss : 0xFC000
1> Blank Data adresss : 0xFE000
1> eagle.flash adresss : 0x00000
1> eagle.irom0text adresss : 0x40000
1> *** Flash Info **************************************
1> Connecting . connection established
1> Manufacturer: c8, Device: 4014.
1> Deleting file "D:\HomeProjects\ESP8266_test\ConsoleOutput.dbg".
1> Flashing....
1> connection established
1>
1>Build succeeded.
PS
I use old nonos sdk 2.0 (cos it was provided by espressif VS plugin, but i don't think that is root of problem)