serialhelper

README

tc2-hat-controller

Documentation

Index

• func GetSerial(retries int, mul0, mul1 gpio.Level, wait time.Duration) (*os.File, error)
• func NewSerialUnavailableError(msg string) error
• func ReleaseSerial(serialFile *os.File) error
• func SerialInUseFromTerminal() bool
• func SerialSendReceive(retries int, mul0, mul1 gpio.Level, wait time.Duration, data []byte) ([]byte, error)
• type SerialUnavailableError
  • func (e *SerialUnavailableError) Error() string

Functions

func GetSerial

func GetSerial(retries int, mul0, mul1 gpio.Level, wait time.Duration) (*os.File, error)

GetSerial will try to get a file lock on the serial port. If the file lock can be acquired, it will return the serial file and change mul0 and mul1 to the new values. defer ReleaseSerial(serialFile) should be called to release the lock and close the serial file.

func NewSerialUnavailableError

func NewSerialUnavailableError(msg string) error

func ReleaseSerial

func ReleaseSerial(serialFile *os.File) error

func SerialInUseFromTerminal

func SerialInUseFromTerminal() bool

func SerialSendReceive

func SerialSendReceive(retries int, mul0, mul1 gpio.Level, wait time.Duration, data []byte) ([]byte, error)

Types

type SerialUnavailableError

type SerialUnavailableError struct {
	// contains filtered or unexported fields
}

func (*SerialUnavailableError) Error

func (e *SerialUnavailableError) Error() string