Use Putty at 74880 Baud GPIO 0 not grounded connect and then reset the chip.
Note the SPI Speed, the SPI Mode and the Flash Size in bits.
ets Jan 8 2013,rst cause:2, boot mode:(3,7)
load 0x40100000, len 1396, room 16
tail 4
chksum 0x89
load 0x3ffe8000, len 776, room 4
tail 4
chksum 0xe8
load 0x3ffe8308, len 540, room 4
tail 8
chksum 0xc0
csum 0xc0
2nd boot version : 1.4(b1)
SPI Speed : 40MHz
SPI Mode : DIO
SPI Flash Size & Map: 8Mbit(512KB+512KB)
jump to run user1 @ 1000
Run ESPinfo.bat
Ground GPIO 0 and reset the chip, run ESPinfo.bat
C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp32>set /p pport=Enter a Com port
Enter a Com port com3
C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp32>echo com3
com3
C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp32>pause
Press any key to continue . . .
C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp32>esptool.py --port com3 --baud 115200 --no-stub chip_id
esptool.py v2.2.1
Connecting....
Detecting chip type... ESP8266
Chip is ESP8266EX
Enabling default SPI flash mode...
Chip ID: 0x00134e51
Hard resetting...
C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp32>esptool.py --port com3 --baud 115200 --no-stub read_mac
esptool.py v2.2.1
Connecting...
Detecting chip type... ESP8266
Chip is ESP8266EX
Enabling default SPI flash mode...
MAC: 5c:cf:7f:13:4e:51
Hard resetting...
C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp32>esptool.py --port com3 --baud 115200 --no-stub flash_id
esptool.py v2.2.1
Connecting...
Detecting chip type... ESP8266
Chip is ESP8266EX
Enabling default SPI flash mode...
Manufacturer: e0
Device: 4016
Detected flash size: 4MB
Hard resetting...
C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp32>pause
Press any key to continue . . .
Flashing the 4MB Espruino
Ground GPIO 9 reset the chip
Run the batch file
"C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp8266_4mb\FlashESP8266_4M.bat"
:: Flash ESP8288 4MB chip with Espruino
set /p pport=Enter a Com port
echo %pport%
pause
esptool.py --port %pport% --baud 115200 write_flash --flash_freq 80m --flash_mode qio --flash_size 4MB 0x0000 "boot_v1.6.bin" 0x1000 espruino_esp8266_user1.bin 0x3FC000 esp_init_data_default.bin 0x3FE000 blank.bin
pause
C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp8266_4mb>set /p pport=Enter a Com port
Enter a Com port com3
C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp8266_4mb>echo com3
com3
C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp8266_4mb>pause
Press any key to continue . . .
C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp8266_4mb>esptool.py --port com3 --baud 115200 write_flash --flash_freq 80m --flash_mode qio --flash_size 4MB 0x0000 "boot_v1.6.bin" 0x1000 espruino_esp8266_user1.bin 0x3FC000 esp_init_data_default.bin 0x3FE000 blank.bin
esptool.py v2.2.1
Connecting....
Detecting chip type... ESP8266
Chip is ESP8266EX
Uploading stub...
Running stub...
Stub running...
Configuring flash size...
Flash params set to 0x004f
Compressed 3856 bytes to 2763...
Wrote 3856 bytes (2763 compressed) at 0x00000000 in 0.3 seconds (effective 120.1 kbit/s)...
Hash of data verified.
Compressed 509332 bytes to 340820...
Wrote 509332 bytes (340820 compressed) at 0x00001000 in 30.3 seconds (effective 134.6 kbit/s)...
Hash of data verified.
Compressed 128 bytes to 75...
Wrote 128 bytes (75 compressed) at 0x003fc000 in 0.0 seconds (effective 63.5 kbit/s)...
Hash of data verified.
Compressed 4096 bytes to 26...
Wrote 4096 bytes (26 compressed) at 0x003fe000 in 0.0 seconds (effective 1973.9 kbit/s)...
Hash of data verified.
Leaving...
Hard resetting...
C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp8266_4mb>pause
Press any key to continue . . .
Run WEBIDE
unground GPIO 0, reset the chip
Connected
>
>reset()
=undefin
_____ _
| __|___ ___ ___ _ _|_|___ ___
| __|_ -| . | _| | | | | . |
|_____|___| _|_| |___|_|_|_|___|
|_| http://espruino.com
1v95 Copyright 2017 G.Williams
Espruino is Open Source. Our work is supported
only by sales of official boards and donations:
http://espruino.com/Donate
Flash map 4MB:512/512, manuf 0xe0 chip 0x4016
>
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Batch flashing file for ESP8266 -12 4MB
Use Putty at 74880 Baud GPIO 0 not grounded connect and then reset the chip.
Note the SPI Speed, the SPI Mode and the Flash Size in bits.
Run ESPinfo.bat
Ground GPIO 0 and reset the chip, run ESPinfo.bat
Flashing the 4MB Espruino
Ground GPIO 9 reset the chip
Run the batch file
"C:\Users\jj\Documents\espruinoEsp8266Flash\espruino_1v95_esp8266_4mb\FlashESP8266_4M.bat"
Run WEBIDE
unground GPIO 0, reset the chip
1 Attachment