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esp:esp32:flash-commands

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Flash Commands


Core tools

Esp-idf commands can be executed using:

  • python, Located in: /esp32/idf-tools/python_env/idf5.2_py3.11_env/bin/python
  • idf.py, Located in: /esp32/esp-idf/tools/idf.py
  • esptool.py, Located in: /esp32/idf-tools/python_env/idf5.2_py3.11_env/bin/esptool.py

idf.py to be invoked as:

$ idf.py <parameters>

esptool.py can be invoked in different ways:

$ esptool <parameters>
$ python -m esptool <parameters>

Full Flash

idf.py -p /dev/ttyACM0 flash
python -m esptool --chip esp32c3 -p /dev/ttyACM0 -b 460800 --before default_reset --after hard_reset write_flash --flash_mode dio --flash_size 4MB --flash_freq 80m 0x0 build/bootloader/bootloader.bin 0x8000 build/partition_table/partition-table.bin 0xd000 build/ota_data_initial.bin 0x10000 build/LCR-Meter.bin 0x250000 default.config

Where parameters are:

  • write_flash
  • -chip esp32c3 or esp32
  • -p /dev/ttyACM0 or /dev/ttyUSB0
  • -b 460800
  • –before default_reset
  • –after hard_reset
  • –flash_mode dio
  • –flash_size detect or 4MB
  • –flash_freq 80m or 40m
  • partition 1 = 0x0 build/bootloader/bootloader.bin
  • partition 2 = 0x8000 build/partition_table/partition-table.bin
  • partition 3 = 0xd000 build/ota_data_initial.bin
  • partition 4 = 0x10000 build/LCR-Meter.bin

Flash Application Partition

Use following examples to write to flash:

esptool -chip esp32c3 -p /dev/ttyACM0 -b 460800 --before default-reset --after hard-reset write-flash --flash-mode dio --flash-size detect --flash-freq 80m 0x10000 build/ESR-Meter.bin

python -m esptool --chip esp32c3 -p /dev/ttyACM0 -b 460800 --before default_reset --after hard-reset write-flash --flash-mode dio --flash-size 4MB --flash_freq 80m 0x10000 build/ESR-Meter.bin

python ../../esp-idf/components/esptool_py/esptool/esptool.py -p /dev/ttyUSB0 -b 460800 --before default-reset --after hard-reset --chip esp32  write-flash --flash_mode dio --flash-size detect --flash-freq 40m 0x00130000 build/thermometer.bin

Where parameters are:

  • write_flash
  • -chip esp32c3 or esp32
  • -p /dev/ttyACM0 or /dev/ttyUSB0
  • -b 460800
  • –before default_reset
  • –after hard-reset
  • –flash-mode dio
  • –flash-size detect or 4MB
  • –flash-freq 80m or 40m
  • 0x10000 build/ESR-Meter.bin

Flash Config Partition

Write Config to partition

esptool --port /dev/ttyACM0  write_flash --flash_mode qio  0x250000 default.config

Read CONFIG from partition

esptool --port /dev/ttyACM0 -b 460800 --before default_reset --chip esp32c3  read_flash 0x250000 4096 downloaded.config
esp/esp32/flash-commands.1788894851.txt.gz · Last modified: by oscar