Platform Atmel SAM: Atmel | SMART offers Flash- based ARM products based on the ARM Cortex-M0+, Cortex-M3 and Cortex-M4 architectures, ranging from 8KB to 2MB of Flash including a rich peripheral and feature mix.
[env:adafruit_feather_m4] platform = atmelsam board = adafruit_feather_m4
You can override default Adafruit Feather M4 Express (SAMD51) settings per build environment using
board_*** option, where
*** is a JSON object path from
board manifest adafruit_feather_m4.json. For example,
[env:adafruit_feather_m4] platform = atmelsam board = adafruit_feather_m4 ; change microcontroller board_build.mcu = samd51j19a ; change MCU frequency board_build.f_cpu = 120000000L
Adafruit Feather M4 Express (SAMD51) supports the next uploading protocols:
Default protocol is
You can change upload protocol using upload_protocol option:
[env:adafruit_feather_m4] platform = atmelsam board = adafruit_feather_m4 upload_protocol = sam-ba
PIO Unified Debugger - “1-click” solution for debugging with a zero configuration.
You will need to install debug tool drivers depending on your system. Please click on compatible debug tool below for the further instructions and configuration information.
Adafruit Feather M4 Express (SAMD51) does not have on-board debug probe and IS NOT READY for debugging. You will need to use/buy one of external probe listed below.