//go:build feather_m4_can package main import ( "machine" ) func init() { // power on the CAN Transceiver // https://learn.adafruit.com/adafruit-feather-m4-can-express/pinouts#can-bus-3078990-8 boost_en := machine.BOOST_EN boost_en.Configure(machine.PinConfig{Mode: machine.PinOutput}) boost_en.High() }