Artemis::Devices::Astrodev::frame::frame_header Union Reference

The header of the radio data frame. More...

#include <astrodev.h>

Classes
struct	header
	The Astrodev frame header structure. More...

Public Attributes
struct Artemis::Devices::Astrodev::frame::frame_header::header	header
uint8_t	header_bytes [8]
	Direct header/preamble bytes.

Detailed Description

The header of the radio data frame.

This field can be used in two ways:

• By accessing the fields of the pre-defined header struct.
• By directly accessing the bytes of the header_bytes.

Member Data Documentation

header

struct Artemis::Devices::Astrodev::frame::frame_header::header Artemis::Devices::Astrodev::frame::frame_header::header

A diagram of the struct is included below.

    Header of an Astrodev frame from Teensy to radio
   1 byte    1 byte    1 byte          1 byte      1 byte     1 byte
2 bytes
   +---------+---------+---------------+-----------+----------+----------+--------+
   |  sync0  |  sync1  |  destination  |  command  |  sizehi  |
sizelo  |   cs   |
   +---------+---------+---------------+-----------+----------+----------+--------+

   Header of an Astrodev frame from radio to Teensy
   1 byte    1 byte    1 byte          1 byte      1 byte     1 byte
2 bytes
   +---------+---------+---------------+-----------+----------+----------+--------+
   |  sync0  |  sync1  |  destination  |  command  |  status  |
sizelo  |   cs   |
   +---------+---------+---------------+-----------+----------+----------+--------+

header_bytes

uint8_t Artemis::Devices::Astrodev::frame::frame_header::header_bytes[8]

Direct header/preamble bytes.

This field allows direct access to the eight-byte preamble of an Astrodev frame, rather than using the pre-defined header struct.

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The documentation for this union was generated from the following file:

• lib/astrodev/astrodev.h