scale

package

v1.3.0 Latest Latest Go to latest Published: Feb 10, 2026 License: MIT Imports: 10 Imported by: 0

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const (
	RetryDelay        = 3 * time.Second
	SerialReadTimeout = 5 * time.Second
	BaudRate          = 9600
)

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var BrandCommands = map[string]string{
	"rhino":         "P",
	"rhino bar 8rs": "P",
}

BrandCommands maps scale brands to their weight request commands

func GenerateSimulatedWeights() []float64

GenerateSimulatedWeights creates a sequence of realistic weight readings Returns 5 fluctuating values followed by a stable reading

func GetCommand(brand string) string

GetCommand returns the command for a given brand Defaults to "P" if brand is unknown

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

Reader manages serial port communication with the scale

func NewReader(cfg *config.Config, broadcast chan<- string) *Reader

NewReader creates a new scale reader

func (r *Reader) ClosePort()

ClosePort closes the serial port for config changes

func (r *Reader) Start(ctx context.Context)

Start begins the reading loop (blocking)

func (r *Reader) Stop()

Stop signals the reader to stop