62 lines
1 KiB
Go
62 lines
1 KiB
Go
package skylab
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import (
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"encoding/binary"
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"math"
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)
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/*
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This file provides helpers used for serializing and deserializing skylab packets.
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It contains common code and interfaces.
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*/
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func float32ToBytes(b []byte, f float32, bigEndian bool) {
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bits := math.Float32bits(f)
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if bigEndian {
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binary.BigEndian.PutUint32(b, bits)
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} else {
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binary.LittleEndian.PutUint32(b, bits)
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}
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}
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func float32FromBytes(b []byte, bigEndian bool) (f float32) {
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var bits uint32
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if bigEndian {
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binary.BigEndian.Uint32(b)
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} else {
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binary.LittleEndian.Uint32(b)
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}
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return math.Float32frombits(bits)
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}
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// Packet is any Skylab-generated packet.
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type Packet interface {
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MarshalPacket() ([]byte, error)
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UnmarshalPacket(p []byte) error
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Id() uint32
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Size() uint
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String() string
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}
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type Marshaler interface {
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MarshalPacket() ([]byte, error)
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}
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type Unmarshaler interface {
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UnmarshalPacket(p []byte) error
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}
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type Ider interface {
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Id() uint32
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}
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type Sizer interface {
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Size() uint
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}
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// CanSend takes a packet and makes a Can frame.
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func CanSend(p Packet) error {
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return nil
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}
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