embedded-nano-mesh 2.1.11

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

/// Size of the content of the packet.
pub const CONTENT_SIZE: usize = 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;

/// This flag says, that the receiving device, should respond
/// with packet with `PONG_FLAG` being set.
pub const PING_FLAG: FlagsType = 0b01000000;

/// This flag says, that the packet, is made to
/// provide the answer to the device, which is waiting
/// for the answer.
pub const PONG_FLAG: FlagsType = 0b00100000;

/// This flag tells, that this packet is made by
/// transaction sender device, is to create, and
/// send the transaction to the transaction
/// reponding device.
pub const SEND_TRANSACTION_FLAG: FlagsType = 0b00010000;

/// This flag tells, that this packet is made by
/// transaction responding device, is to accept, and
/// continue the transaction to the transaction
/// sender's device.
pub const ACCEPT_TRANSACTION_FLAG: FlagsType = 0b00001000;

/// This flag tells, that this packet is made by
/// transaction sneder device, is to initiate, and
/// continue the transaction to the transaction
/// reponding device.
pub const INITIATE_TRANSACTION_FLAG: FlagsType = 0b00000100;

/// This flag tells, that the packet, which contains
/// this flag - is the last packet in the transaction
/// sqeuence, and tells, that transaction receiver
/// device is fully accepted the transaction, and informs
/// transaction sender's device about that.
pub const FINISH_TRANSACTION_FLAG: FlagsType = 0b00000010;

// This flag is not used yet.
// pub const NOT_USED_FLAG: FlagsType = 0b00000001;

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>();