software: Implement serial port detection

1 files changed, 41 insertions, 0 deletions

diff --git a/software/vendor/go.bug.st/serial/serial_darwin.go b/software/vendor/go.bug.st/serial/serial_darwin.go
new file mode 100644
index 0000000..2817041
--- /dev/null
+++ b/software/vendor/go.bug.st/serial/serial_darwin.go
@@ -0,0 +1,41 @@
+//
+// Copyright 2014-2023 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 devFolder = "/dev"
+const regexFilter = "^(cu|tty)\\..*"
+
+const ioctlTcgetattr = unix.TIOCGETA
+const ioctlTcsetattr = unix.TIOCSETA
+const ioctlTcflsh = unix.TIOCFLUSH
+const ioctlTioccbrk = unix.TIOCCBRK
+const ioctlTiocsbrk = unix.TIOCSBRK
+
+func setTermSettingsBaudrate(speed int, settings *unix.Termios) (error, bool) {
+	baudrate, ok := baudrateMap[speed]
+	if !ok {
+		return nil, true
+	}
+	settings.Ispeed = toTermiosSpeedType(baudrate)
+	settings.Ospeed = toTermiosSpeedType(baudrate)
+	return nil, false
+}
+
+func (port *unixPort) setSpecialBaudrate(speed uint32) error {
+	const kIOSSIOSPEED = 0x80045402
+	return unix.IoctlSetPointerInt(port.handle, kIOSSIOSPEED, int(speed))
+}
+
+func (port *unixPort) ResetInputBuffer() error {
+	return unix.IoctlSetPointerInt(port.handle, ioctlTcflsh, unix.TCIFLUSH)
+}
+
+func (port *unixPort) ResetOutputBuffer() error {
+	return unix.IoctlSetPointerInt(port.handle, ioctlTcflsh, unix.TCOFLUSH)
+}