//
// Copyright 2014-2017 Cristian Maglie. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//

package serial

import "golang.org/x/sys/unix"

const (
	devicesBasePath = "/dev"
	regexFilter     = "^(cu|tty)\\..*"

	tcCMSPAR uint32 = 0 // may be CMSPAR or PAREXT
	tcIUCLC  uint32 = 0

	tcCCTS_OFLOW uint32 = 0x00010000 //nolint:revive,stylecheck
	// tcCRTS_IFLOW uint32 = 0x00020000 //nolint:revive,stylecheck
	tcCRTSCTS = tcCCTS_OFLOW

	ioctlTcflsh = unix.TIOCFLUSH
)

var baudrateMap = map[int]uint32{
	0:      unix.B9600, // Default to 9600
	50:     unix.B50,
	75:     unix.B75,
	110:    unix.B110,
	134:    unix.B134,
	150:    unix.B150,
	200:    unix.B200,
	300:    unix.B300,
	600:    unix.B600,
	1200:   unix.B1200,
	1800:   unix.B1800,
	2400:   unix.B2400,
	4800:   unix.B4800,
	9600:   unix.B9600,
	19200:  unix.B19200,
	38400:  unix.B38400,
	57600:  unix.B57600,
	115200: unix.B115200,
	230400: unix.B230400,
	// 460800: unix.B460800,
	// 921600: unix.B921600,
}

var databitsMap = map[int]uint32{
	0: unix.CS8, // Default to 8 bits
	5: unix.CS5,
	6: unix.CS6,
	7: unix.CS7,
	8: unix.CS8,
}

func toTermiosSpeedType(speed uint32) int32 {
	return int32(speed)
}
