pub struct FdlMaster { /* private fields */ }
Expand description
FDL master implementation
The FDL master starts in the Offline
state. To start bus
interaction, you must first move it into Online
state (using
.set_online()
).
§Example
use profirust::{Baudrate, fdl};
let master_address = 2;
let mut fdl_master = fdl::FdlMaster::new(
fdl::ParametersBuilder::new(master_address, Baudrate::B19200)
.slot_bits(300)
.build_verified(&dp_master)
);
fdl_master.set_online();
Implementations§
source§impl FdlMaster
impl FdlMaster
sourcepub fn new(param: Parameters) -> Self
pub fn new(param: Parameters) -> Self
Construct a new FDL master with the given parameters.
sourcepub fn parameters(&self) -> &Parameters
pub fn parameters(&self) -> &Parameters
Return a reference to the parameters configured for this FDL master.
sourcepub fn is_in_ring(&self) -> bool
pub fn is_in_ring(&self) -> bool
Returns true
when this FDL master believes to be in the token ring.
sourcepub fn check_address_live(&self, addr: u8) -> bool
pub fn check_address_live(&self, addr: u8) -> bool
Returns true
when the given address is believed to be “alive” (responds on the bus).
sourcepub fn iter_live_stations(&self) -> impl Iterator<Item = u8> + '_
pub fn iter_live_stations(&self) -> impl Iterator<Item = u8> + '_
Iterator over all station addresses which are currently responding on the bus.
pub fn connectivity_state(&self) -> ConnectivityState
pub fn set_state(&mut self, state: ConnectivityState)
sourcepub fn set_offline(&mut self)
pub fn set_offline(&mut self)
Enter the Offline
connectivity state.
This is equivalent to calling .set_state(ConnectivityState::Offline)
.
sourcepub fn set_passive(&mut self)
pub fn set_passive(&mut self)
Enter the Passive
connectivity state.
This is equivalent to calling .set_state(ConnectivityState::Passive)
.
sourcepub fn set_online(&mut self)
pub fn set_online(&mut self)
Enter the Online
connectivity state.
This is equivalent to calling .set_state(ConnectivityState::Online)
.
source§impl FdlMaster
impl FdlMaster
sourcepub fn poll<'a, PHY: ProfibusPhy, APP: FdlApplication>(
&mut self,
now: Instant,
phy: &mut PHY,
app: &mut APP
) -> APP::Events
pub fn poll<'a, PHY: ProfibusPhy, APP: FdlApplication>( &mut self, now: Instant, phy: &mut PHY, app: &mut APP ) -> APP::Events
Main API for driving the communication stack.
You need to cyclically call this poll()
function to perform bus communication. The time
between poll calls should not exceed half TSLOT, or in code:
fdl_master.parameters().slot_time() / 2
In the future, profirust may give an indication about the next time a poll will be necessary.
poll()
returns events from the application layer, if any occurred.
Trait Implementations§
Auto Trait Implementations§
impl Freeze for FdlMaster
impl RefUnwindSafe for FdlMaster
impl Send for FdlMaster
impl Sync for FdlMaster
impl Unpin for FdlMaster
impl UnwindSafe for FdlMaster
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