50 lines
941 B
Go
50 lines
941 B
Go
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package serial
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import (
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"time"
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"github.com/argandas/serial"
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)
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// Reader defines the interface for serial port operations.
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type Reader interface {
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ReadLine() (string, error)
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Close() error
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IsOpen() bool
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}
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// Port wraps a serial port connection.
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type Port struct {
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sp *serial.SerialPort
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opened bool
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}
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// Open opens a serial port with the given device and baudrate.
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func Open(device string, baudrate int) (*Port, error) {
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sp := serial.New()
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sp.EOL('\r')
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sp.Verbose = false
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err := sp.Open(device, baudrate, 3*time.Second)
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if err != nil {
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return nil, err
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}
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return &Port{sp: sp, opened: true}, nil
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}
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// ReadLine reads one line from the serial port.
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func (p *Port) ReadLine() (string, error) {
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return p.sp.ReadLine()
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}
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// Close closes the serial port.
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func (p *Port) Close() error {
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p.opened = false
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return nil
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}
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// IsOpen returns whether the port is currently open.
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func (p *Port) IsOpen() bool {
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return p.opened
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}
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