llgo/targets/p1am-100.json

{
    "inherits": ["atsamd21g18a"],
    "build-tags": ["p1am_100"],
    "flash-command": "bossac -d -i -e -w -v -R --port={port} --offset=0x2000 {bin}",
    "flash-1200-bps-reset": "true"
}