embedded-nano-mesh 3.2.0

Lightweight mesh communication protocol for embedded devices
Documentation 
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use super::{
    types::{AddressType, ChecksumType, DataLengthType, FlagsType, IdType, LifeTimeType},
    Packet,
};
use crate::mesh_lib::node::constants::parse_usize;
use core::mem::size_of;

/// Size of the content of the packet.
///
/// Configurable at compile time via the environment variable
/// `ENM_PACKET_DATA_LENGTH` or the `.env` file.
pub const CONTENT_SIZE: usize = match option_env!("ENM_PACKET_DATA_LENGTH") {
    Some(value) => parse_usize(value),
    None => 32,
};

/// Size of the packet in bytes.
pub const PACKET_BYTES_SIZE: usize = Packet::size_of_bytes();

/// This flag make the device, which have packet caught, to ignore
/// same packets, which were re-transmitted from other devices.
pub const IGNORE_DUPLICATIONS_FLAG: FlagsType = 0b10000000;

pub const ADDRESS_TYPE_SIZE: usize = size_of::<AddressType>();
pub const ID_TYPE_SIZE: usize = size_of::<IdType>();
pub const LIFETIME_TYPE_SIZE: usize = size_of::<LifeTimeType>();
pub const FLAGS_TYPE_SIZE: usize = size_of::<FlagsType>();
pub const DATA_LENGTH_TYPE_SIZE: usize = size_of::<DataLengthType>();
pub const DATA_TYPE_SIZE: usize = CONTENT_SIZE;
pub const CHECKSUM_TYPE_SIZE: usize = size_of::<ChecksumType>();