Platform options

• platform
• platform_packages
• framework
• board
• board_build.mcu
• board_build.f_cpu
• board_build.ldscript

More options

You can override any board option declared in manifest file using the next format board_{OBJECT.PATH}, where {OBJECT.PATH} is an object path in JSON manifest. Please navigate to “boards” folder of PlatfomIO development platforms and open JSON file to list all available options.

For example, Manifest: Espressif ESP32 Dev Module:

[env:custom_board_options]
; Custom CPU Frequency
board_build.f_cpu = 160000000L

; Custom FLASH Frequency
board_build.f_flash = 80000000L

; Custom FLASH Mode
board_build.flash_mode = qio

; Custom linker script
board_build.ldscript = /path/to/ldscript.ld

; Custom maximum program size
board_upload.maximum_size = 1310720