40 lines
681 B
Go
40 lines
681 B
Go
package xbee
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import (
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"encoding/binary"
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"fmt"
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)
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type RxFrame struct {
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Source uint64
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ACK bool
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BCast bool
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Payload []byte
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}
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func ParseRxFrame(data []byte) (*RxFrame, error) {
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// data is the binary that *isn't* part of the frame
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// i.e it excludes start delimiter, length, and checksum.
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// check the frame type (data[0])
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if data[0] != byte(RxPktType) {
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return nil, fmt.Errorf("incorrect frame type 0x%x", data[0])
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}
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rx := &RxFrame{
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Source: binary.BigEndian.Uint64(data[1:]),
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Payload: data[12:],
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}
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// RX options
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opt := data[11]
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// todo: use this
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if (opt & 0x1) == 1 {
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rx.ACK = true
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}
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if (opt & 0x2) == 1 {
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rx.BCast = true
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}
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return rx, nil
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}
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