w5100-rs/src/network/mod.rs

49 lines
1.8 KiB
Rust

mod dhcp;
mod manual;
use crate::{MacAddress,IpAddress};
use crate::bus::ActiveBus;
use crate::register;
pub use self::dhcp::Dhcp;
pub use self::manual::Manual;
#[derive(Default)]
pub struct NetworkSettings {
mac: MacAddress,
ip: IpAddress,
gateway: IpAddress,
subnet: IpAddress,
}
pub trait Network {
/// Gets (if necessary) and sets the network settings on the chip
fn refresh<SpiBus: ActiveBus>(&mut self, bus: &mut SpiBus) -> Result<(), SpiBus:: Error>;
/// Write changed settings to chip
///
/// Will check all settings and write any new ones to the chip. Will update the settings returned by `current`
/// with any changes.
fn write_settings<SpiBus: ActiveBus>(bus: &mut SpiBus, current: &mut NetworkSettings, settings: &NetworkSettings) -> Result<(), SpiBus::Error> {
if settings.gateway != current.gateway {
let mut address = settings.gateway.address;
block!(bus.transfer_frame(register::COMMON, register::common::GATEWAY, true, &mut address))?;
current.gateway = settings.gateway;
}
if settings.subnet != current.subnet {
let mut address = settings.subnet.address;
block!(bus.transfer_frame(register::COMMON, register::common::SUBNET_MASK, true, &mut address))?;
current.subnet = settings.subnet;
}
if settings.mac != current.mac {
let mut address = settings.mac.address;
block!(bus.transfer_frame(register::COMMON, register::common::MAC, true, &mut address))?;
current.mac = settings.mac;
}
if settings.ip != current.ip {
let mut address = settings.ip.address;
block!(bus.transfer_frame(register::COMMON, register::common::IP, true, &mut address))?;
current.ip = settings.ip;
}
Ok(())
}
}