characterdisplay

type Controller interface {
	DisplayOff() error            // turns the display off
	DisplayOn() error             // turns the display on
	CursorOff() error             // sets the cursor visibility to off
	CursorOn() error              // sets the cursor visibility to on
	BlinkOff() error              // sets the cursor blink off
	BlinkOn() error               // sets the cursor blink on
	ShiftLeft() error             // moves the cursor and text one column to the left
	ShiftRight() error            // moves the cursor and text one column to the right
	BacklightOff() error          // turns the display backlight off
	BacklightOn() error           // turns the display backlight on
	Home() error                  // moves the cursor to the home position
	Clear() error                 // clears the display and moves the cursor to the home position
	WriteChar(byte) error         // writes a character to the display
	SetCursor(col, row int) error // sets the cursor position
	Close() error                 // closes the controller resources
}

type Display struct {
	Controller
	// contains filtered or unexported fields
}