waveshare

Documentation

Index

• Constants
• type AffineTransform
  • func NewAffineTransform() AffineTransform
  • func (a AffineTransform) Multiply(b AffineTransform) AffineTransform
  • func (a AffineTransform) Rotate(theta, x, y float64) AffineTransform
  • func (a AffineTransform) Scale(x, y float64) AffineTransform
  • func (a AffineTransform) Translate(x, y float64) AffineTransform
• type EPD
  • func (this *EPD) Clear(ctx context.Context) error
  • func (this *EPD) Define(cfg gopi.Config)
  • func (this *EPD) Dispose() error
  • func (this *EPD) Draw(ctx context.Context, src image.Image) error
  • func (this *EPD) DrawMono(ctx context.Context, img image.Image) error
  • func (this *EPD) DrawSized(ctx context.Context, scale float64, src image.Image) error
  • func (this *EPD) New(gopi.Config) error
  • func (this *EPD) Size() gopi.Size
  • func (this *EPD) Sleep() error
  • func (this *EPD) String() string

Constants

const (
	EPD_PIN_RESET = gopi.GPIOPin(17)
	EPD_PIN_CS    = gopi.GPIOPin(8)
	EPD_PIN_DC    = gopi.GPIOPin(25)
	EPD_PIN_BUSY  = gopi.GPIOPin(24)

	EPD_SPI_SPEED = 4000000
	EPD_SPI_BUS   = 0
	EPD_SPI_SLAVE = 0
	EPD_SPI_MODE  = gopi.SPI_MODE_0
)

const (
	EPD_CMD_SLEEP_MODE      = 0x10
	EPD_CMD_SWRESET         = 0x12
	EPD_CMD_RAM_WRITE_BLACK = 0x24
	EPD_CMD_RAM_WRITE_RED   = 0x26
	EPD_CMD_RAM_XADDRESS    = 0x4E
	EPD_CMD_RAM_YADDRESS    = 0x4F
	EPD_CMD_UPDATE          = 0x20
)

Types

type AffineTransform

type AffineTransform f64.Aff3

func NewAffineTransform

func NewAffineTransform() AffineTransform

func (AffineTransform) Multiply

func (a AffineTransform) Multiply(b AffineTransform) AffineTransform

func (AffineTransform) Rotate

func (a AffineTransform) Rotate(theta, x, y float64) AffineTransform

func (AffineTransform) Scale

func (a AffineTransform) Scale(x, y float64) AffineTransform

func (AffineTransform) Translate

func (a AffineTransform) Translate(x, y float64) AffineTransform

type EPD

type EPD struct {
	gopi.Unit
	gopi.GPIO
	gopi.SPI
	// contains filtered or unexported fields
}

func (*EPD) Clear

func (this *EPD) Clear(ctx context.Context) error

func (*EPD) Define

func (this *EPD) Define(cfg gopi.Config)

func (*EPD) Dispose

func (this *EPD) Dispose() error

func (*EPD) Draw

func (this *EPD) Draw(ctx context.Context, src image.Image) error

func (*EPD) DrawMono

func (this *EPD) DrawMono(ctx context.Context, img image.Image) error

DrawMono assumes image is already coded as black and white pixels and that the image is the correct size

func (*EPD) DrawSized

func (this *EPD) DrawSized(ctx context.Context, scale float64, src image.Image) error

func (*EPD) New

func (this *EPD) New(gopi.Config) error

func (*EPD) Size

func (this *EPD) Size() gopi.Size

func (*EPD) Sleep

func (this *EPD) Sleep() error

func (*EPD) String

func (this *EPD) String() string