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This document is not updated for ESP32H2 yet, so some of the content may not be correct.

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Tools

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IDF Monitor

IDF Monitor makes the following changes regarding baud-rate:

  • IDF monitor now uses the custom console baud-rate (CONFIG_ESP_CONSOLE_UART_BAUDRATE) by default instead of 115200.

  • Setting a custom baud from menuconfig is no longer supported.

  • A custom baud-rate can be specified from command line with the idf.py monitor -b <baud> command or through setting environment variables.

  • Please note that the baud-rate argument has been renamed from -B to -b in order to be consistent with the global baud-rate idf.py -b <baud>. Run idf.py monitor --help for more information.

Deprecated Commands

idf.py sub-commands and cmake target names have been unified to use hyphens (-) instead of underscores (_). Using a deprecated sub-command or target name will produce a warning. Users are advised to migrate to using the new sub-commands and target names. The following changes have been made:

Deprecated Sub-command and Target Names

Old Name

New Name

efuse_common_table

efuse-common-table

efuse_custom_table

efuse-custom-table

erase_flash

erase-flash

partition_table

partition-table

partition_table-flash

partition-table-flash

post_debug

post-debug

show_efuse_table

show-efuse-table

erase_otadata

erase-otadata

read_otadata

read-otadata

Esptool

The CONFIG_ESPTOOLPY_FLASHSIZE_DETECT option has been renamed to CONFIG_ESPTOOLPY_HEADER_FLASHSIZE_UPDATE and has been disabled by default. New and existing projects migrated to ESP-IDF v5.0 will have to set CONFIG_ESPTOOLPY_FLASHSIZE. If this is not possible due to an unknown flash size at build time, then CONFIG_ESPTOOLPY_HEADER_FLASHSIZE_UPDATE can be enabled. However, once enabled, to keep the digest valid, a SHA256 digest will no longer be appended to the image when updating the binary header with the flash size during flashing.

Windows Environment

The Msys/Mingw-based Windows environment support got deprecated in ESP-IDF v4.0 and was entirely removed in v5.0. Please use ESP-IDF Tools Installer to set up a compatible environment. The options include Windows Command Line, Power Shell and the graphical user interface based on Eclipse IDE. In addition, a VS Code-based environment can be set up with the supported plugin: https://github.com/espressif/vscode-esp-idf-extension.

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