bitutils

Documentation

Index

• func GillhamToAltitude(d1, d2, d4, a1, a2, a4, b1, b2, b4, c1, c2, c4 bool) (int32, error)
• func Pack16Bits(b15, b14, b13, b12, b11, b10, b9, b8, b7, b6, b5, b4, b3, b2, b1, b0 bool) uint16
• func Pack2Bytes(b1 byte, b0 byte) uint16
• func Pack3Bytes(b2 byte, b1 byte, b0 byte) uint32
• func Pack4Bytes(b3 byte, b2 byte, b1 byte, b0 byte) uint32
• func Pack8Bits(b7, b6, b5, b4, b3, b2, b1, b0 bool) byte

Functions

func GillhamToAltitude

func GillhamToAltitude(d1, d2, d4, a1, a2, a4, b1, b2, b4, c1, c2, c4 bool) (int32, error)

GillhamToAltitude convert an altitude given in Gillham bits to an altitude in feet

func Pack16Bits

func Pack16Bits(b15, b14, b13, b12, b11, b10, b9, b8, b7, b6, b5, b4, b3, b2, b1, b0 bool) uint16

Pack16Bits packs 16 bytes in a single uint16.

Params:

• b15: the first bit (MSB)
• bn: ...
• b0: the last bit (LSB)

The bits are packed as b15 b14 ... b1 b0

Return the packed byte

func Pack2Bytes

func Pack2Bytes(b1 byte, b0 byte) uint16

Pack2Bytes packs 2 bytes in a single uint16.

Params:

• b1: the first bit
• b0: the second bit

The two bytes are packed as b1 b1 ... b1 b1 b0 b0 ... b0 b0

Return the packed byte

func Pack3Bytes

func Pack3Bytes(b2 byte, b1 byte, b0 byte) uint32

Pack3Bytes packs 3 bytes in a single uint32.

Params:

• b2: the first bit
• b1: the second bit
• b0: the third bit

The two bytes are packed as b2 b2 ... b2 b2 b1 b1 ... b1 b1 b0 b0 ... b0 b0

Return the packed byte

func Pack4Bytes

func Pack4Bytes(b3 byte, b2 byte, b1 byte, b0 byte) uint32

Pack4Bytes packs 4 bytes in a single uint32.

Params:

• b3: the first bit
• b2: the second bit
• b1: the third bit
• b0: the fourth bit

The two bytes are packed as b3 ... b3 b2 ... b2 b1 ... b1 b0 ... b0

Return the packed byte

func Pack8Bits

func Pack8Bits(b7, b6, b5, b4, b3, b2, b1, b0 bool) byte

Pack8Bits packs 8 bytes in a single byte.

Params:

• b7: the first bit (MSB)
• bn: ...
• b0: the last bit (LSB)

The bits are packed as b7 b6 ... b1 b0

Return the packed byte