{ "inherits": ["atsamd51j20a"], "build-tags": ["pyportal"], "serial": "usb", "flash-1200-bps-reset": "true", "flash-method": "msd", "serial-port": ["239a:8035", "239a:8036"], "msd-volume-name": "PORTALBOOT", "msd-firmware-name": "firmware.uf2" }