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Topic: ESP8266 - AT Firmware (Read 12487 times) previous topic - next topic

ESP8266 - AT Firmware

Connect the ESP8266-12E as follows;

  • GPIO15 - GND
  • GPIO02 - VCC
  • GPIO00- GND
  • RESET - GND ( Temporarily )
  • TX - RX
  • RX - TX

  • Install esptool.py

Code: [Select]
 pip install esptool

  • Download SDK 2.2.1


Code: [Select]
https://github.com/espressif/ESP8266_NONOS_SDK/archive/v2.2.1.zip

  • Extract files and go to bin/
  • Run the following command and reset the chip


Code: [Select]
esptool.py --port /dev/tty.usbserial-A603AYEQ --baud 115200 write_flash --flash_mode dio 0x00000 boot_v1.2.bin 0x01000 at/512+512/user1.1024.new.2.bin 0x7B000 blank.bin 0x3FC000 esp_init_data_default_v05.bin 0x7E000 blank.bin
 

Re: ESP8266 - AT Firmware - 3.0.1

Reply #1 –
Code: [Select]
 esptool.py erase_flash

Code: [Select]
https://github.com/espressif/ESP8266_NONOS_SDK/archive/v3.0.1.tar.gz

Code: [Select]
 esptool.py -p /dev/tty.usbserial-A603AYEQ --chip esp8266 write_flash --flash_size 2MB-c1 0x00000 boot_v1.2.bin 0x01000 at/1024+1024/user1.2048.new.5.bin 0x1fc000 esp_init_data_default_v05.bin 0xfe000 blank.bin 0x1fb000 blank.bin 0x1fe000 blank.bin