esptool

ESP8266 and ESP32 serial bootloader utility for flashing firmware

brewmacoslinux

Try with needOr install directly

About

ESP8266 and ESP32 serial bootloader utility

esptool.py

Flash firmware to ESP32 device on COM port$ esptool.py -p /dev/ttyUSB0 -b 460800 write_flash -z 0x1000 firmware.bin

Read flash memory from ESP8266 and save to file$ esptool.py -p /dev/ttyUSB0 read_flash 0x0 0x100000 flash_backup.bin

Erase entire flash memory on connected device$ esptool.py -p /dev/ttyUSB0 erase_flash