uf2

Documentation

Index

• Constants
• type UF2Block
• type UF2File
  • func Read(filename string) (*UF2File, error)
  • func (u *UF2File) Bytes() []byte
  • func (u *UF2File) ReplaceBytes(oldBytes, newBytes []byte)
  • func (u *UF2File) Write(filename string) error

Constants

const (
	UF2MagicStart0 = 0x0A324655 // "UF2\n"
	UF2MagicStart1 = 0x9E5D5157 // "Q\u009D"
	UF2BlockSize   = 512
)

Types

type UF2Block

type UF2Block struct {
	MagicStart0 uint32
	MagicStart1 uint32
	Flags       uint32
	TargetAddr  uint32
	PayloadSize uint32
	BlockNo     uint32
	NumBlocks   uint32
	FileSize    uint32 // or familyID;
	Data        [476]byte
	MagicEnd    uint32
}

UF2Block represents a UF2 block.

type UF2File

type UF2File struct {
	Blocks []UF2Block
}

UF2File represents the structure of a UF2 file.

func Read

func Read(filename string) (*UF2File, error)

Read reads a UF2 file

func (*UF2File) Bytes

func (u *UF2File) Bytes() []byte

Bytes creates a composite slice from all the Data slices in UF2File

func (*UF2File) ReplaceBytes

func (u *UF2File) ReplaceBytes(oldBytes, newBytes []byte)

ReplaceBytes replaces old slice with new slice in the UF2File

func (*UF2File) Write

func (u *UF2File) Write(filename string) error

Write writes a new UF2 file