50 lines
1 KiB
Go
50 lines
1 KiB
Go
package stty
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import (
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"errors"
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"fmt"
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"os/exec"
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)
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type real struct {
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}
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func (r *real) SetBaudRate(portPath string, baudrate int) error {
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setBaudRateCMD := exec.Command("stty", "-F", portPath, fmt.Sprint(baudrate))
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_, err := setBaudRateCMD.Output()
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if err != nil {
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return errors.Join(ERR_SET_BAUDRATE_FAILED(), err)
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}
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return nil
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}
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func (r *real) CheckBaudRate(portPath string) (baudrate int, err error) {
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checkBaudRateCMD := exec.Command("stty", "-F", portPath, "speed")
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sttyOutput, err := checkBaudRateCMD.Output()
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if err != nil {
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return 0, err
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}
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_, err = fmt.Sscan(string(sttyOutput), &baudrate)
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if err != nil {
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return 0, err
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}
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return baudrate, nil
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}
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func (r *real) TestBaudRate(portPath string, baudrate int) error {
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err := r.SetBaudRate(portPath, baudrate)
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if err != nil {
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return err
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}
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newBaudRate, err := r.CheckBaudRate(portPath)
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if err != nil {
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return errors.Join(ERR_CHECK_BAUDRATE_FAILED(), err)
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}
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if newBaudRate == baudrate {
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return nil
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}
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return ERR_BAUDRATE_NOT_SUPPORTED()
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}
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