package ezcoo

import (
	"fmt"
	"time"

	"go.bug.st/serial"
)

func Open(cfg Config) (serial.Port, error) {
	mode := &serial.Mode{BaudRate: cfg.Baud}
	p, err := serial.Open(cfg.Port, mode)
	if err != nil {
		return nil, fmt.Errorf("open serial %s: %w", cfg.Port, err)
	}

	// Give the device time to initialise after USB-serial reset.
	time.Sleep(500 * time.Millisecond)
	return p, nil
}