bt

Documentation

Index

• Variables
• func FindDevice(name string, adapter *bluetooth.Adapter) (bluetooth.Addresser, error)
• func SendCommands(adapter *bluetooth.Adapter, address bluetooth.Addresser, commands chan []byte) error

Variables

var (
	PrintServiceUUID *bluetooth.UUID
	WriteUUID        *bluetooth.UUID
	NotificationUUID *bluetooth.UUID
)

Functions

func FindDevice

func FindDevice(name string, adapter *bluetooth.Adapter) (bluetooth.Addresser, error)

FindDevice search for the named BLE device and returns its address; it search indefinitely but can be stopped by pressing any key. The `adapter` parameter is a Bluetooth adapter that must be enabled before calling this function.

func SendCommands

func SendCommands(adapter *bluetooth.Adapter, address bluetooth.Addresser, commands chan []byte) error

SendCommands reads from the `commands` channel and send commands to the printer, ensuring a certain chunk size (20 bytes) and a small delay between each write.