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fix cargo fmt

pull/236/head
mwojcik 2023-05-24 10:00:48 +08:00
parent ad076dd4e9
commit 6088e6bb6f
5 changed files with 185 additions and 133 deletions
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52
src/libboard_artiq/src/drtioaux_proto.rs
View File

@ -136,20 +136,20 @@ pub enum Packet {
succeeded: bool, succeeded: bool,
}, },
AnalyzerHeaderRequest { AnalyzerHeaderRequest {
destination: u8
},
AnalyzerHeader {
sent_bytes: u32,
total_byte_count: u64,
overflow_occurred: bool,
},
AnalyzerDataRequest {
destination: u8, destination: u8,
}, },
AnalyzerData { AnalyzerHeader {
last: bool, sent_bytes: u32,
length: u16, total_byte_count: u64,
overflow_occurred: bool,
},
AnalyzerDataRequest {
destination: u8,
},
AnalyzerData {
last: bool,
length: u16,
data: [u8; ANALYZER_MAX_SIZE], data: [u8; ANALYZER_MAX_SIZE],
}, },
@ -316,15 +316,15 @@ impl Packet {
}, },
0xa0 => Packet::AnalyzerHeaderRequest { 0xa0 => Packet::AnalyzerHeaderRequest {
destination: reader.read_u8()? destination: reader.read_u8()?,
}, },
0xa1 => Packet::AnalyzerHeader { 0xa1 => Packet::AnalyzerHeader {
sent_bytes: reader.read_u32()?, sent_bytes: reader.read_u32()?,
total_byte_count: reader.read_u64()?, total_byte_count: reader.read_u64()?,
overflow_occurred: reader.read_bool()?, overflow_occurred: reader.read_bool()?,
}, },
0xa2 => Packet::AnalyzerDataRequest { 0xa2 => Packet::AnalyzerDataRequest {
destination: reader.read_u8()? destination: reader.read_u8()?,
}, },
0xa3 => { 0xa3 => {
let last = reader.read_bool()?; let last = reader.read_bool()?;
@ -334,9 +334,9 @@ impl Packet {
Packet::AnalyzerData { Packet::AnalyzerData {
last: last, last: last,
length: length, length: length,
data: data data: data,
} }
}, }
0xb0 => { 0xb0 => {
let destination = reader.read_u8()?; let destination = reader.read_u8()?;
@ -570,11 +570,11 @@ impl Packet {
writer.write_u8(0xa0)?; writer.write_u8(0xa0)?;
writer.write_u8(destination)?; writer.write_u8(destination)?;
} }
Packet::AnalyzerHeader { Packet::AnalyzerHeader {
sent_bytes, sent_bytes,
total_byte_count, total_byte_count,
overflow_occurred overflow_occurred,
} => { } => {
writer.write_u8(0xa1)?; writer.write_u8(0xa1)?;
writer.write_u32(sent_bytes)?; writer.write_u32(sent_bytes)?;
writer.write_u64(total_byte_count)?; writer.write_u64(total_byte_count)?;
@ -584,11 +584,7 @@ impl Packet {
writer.write_u8(0xa2)?; writer.write_u8(0xa2)?;
writer.write_u8(destination)?; writer.write_u8(destination)?;
} }
Packet::AnalyzerData { Packet::AnalyzerData { last, length, data } => {
last,
length,
data
} => {
writer.write_u8(0xa3)?; writer.write_u8(0xa3)?;
writer.write_bool(last)?; writer.write_bool(last)?;
writer.write_u16(length)?; writer.write_u16(length)?;

119
src/runtime/src/analyzer.rs
View File

@ -1,10 +1,11 @@
use alloc::{rc::Rc, vec::Vec};
use core::cell::RefCell;
use libasync::{smoltcp::TcpStream, task}; use libasync::{smoltcp::TcpStream, task};
use libboard_artiq::drtio_routing;
use libboard_zynq::{smoltcp::Error, timer::GlobalTimer}; use libboard_zynq::{smoltcp::Error, timer::GlobalTimer};
use libcortex_a9::{cache, mutex::Mutex}; use libcortex_a9::{cache, mutex::Mutex};
use log::{debug, info, warn, error}; use log::{debug, error, info, warn};
use core::cell::RefCell;
use alloc::{rc::Rc, vec::Vec};
use libboard_artiq::drtio_routing;
use crate::{pl, proto_async::*}; use crate::{pl, proto_async::*};
@ -44,43 +45,45 @@ fn disarm() {
pub mod remote_analyzer { pub mod remote_analyzer {
use super::*; use super::*;
use crate::rtio_mgt::drtio; use crate::rtio_mgt::drtio;
pub struct RemoteBuffer { pub struct RemoteBuffer {
pub total_byte_count: u64, pub total_byte_count: u64,
pub sent_bytes: u32, pub sent_bytes: u32,
pub error: bool, pub error: bool,
pub data: Vec<u8> pub data: Vec<u8>,
} }
pub async fn get_data(aux_mutex: &Rc<Mutex<bool>>, pub async fn get_data(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &drtio_routing::RoutingTable, routing_table: &drtio_routing::RoutingTable,
up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>, up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
timer: GlobalTimer) -> Result<RemoteBuffer, &'static str> { timer: GlobalTimer,
// gets data from satellites and returns consolidated data ) -> Result<RemoteBuffer, &'static str> {
let mut remote_data: Vec<u8> = Vec::new(); // gets data from satellites and returns consolidated data
let mut remote_error = false; let mut remote_data: Vec<u8> = Vec::new();
let mut remote_sent_bytes = 0; let mut remote_error = false;
let mut remote_total_bytes = 0; let mut remote_sent_bytes = 0;
let mut remote_total_bytes = 0;
let data_vec = match drtio::analyzer_query(aux_mutex, routing_table, up_destinations, timer).await { let data_vec = match drtio::analyzer_query(aux_mutex, routing_table, up_destinations, timer).await {
Ok(data_vec) => data_vec, Ok(data_vec) => data_vec,
Err(e) => return Err(e) Err(e) => return Err(e),
}; };
for data in data_vec { for data in data_vec {
remote_total_bytes += data.total_byte_count; remote_total_bytes += data.total_byte_count;
remote_sent_bytes += data.sent_bytes; remote_sent_bytes += data.sent_bytes;
remote_error |= data.error; remote_error |= data.error;
remote_data.extend(data.data); remote_data.extend(data.data);
}
Ok(RemoteBuffer {
total_byte_count: remote_total_bytes,
sent_bytes: remote_sent_bytes,
error: remote_error,
data: remote_data
})
} }
}
Ok(RemoteBuffer {
total_byte_count: remote_total_bytes,
sent_bytes: remote_sent_bytes,
error: remote_error,
data: remote_data,
})
}
}
#[derive(Debug)] #[derive(Debug)]
struct Header { struct Header {
@ -101,10 +104,13 @@ async fn write_header(stream: &mut TcpStream, header: &Header) -> Result<(), Err
Ok(()) Ok(())
} }
async fn handle_connection(stream: &mut TcpStream, _aux_mutex: &Rc<Mutex<bool>>, async fn handle_connection(
stream: &mut TcpStream,
_aux_mutex: &Rc<Mutex<bool>>,
_routing_table: &drtio_routing::RoutingTable, _routing_table: &drtio_routing::RoutingTable,
_up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>, _up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
_timer: GlobalTimer) -> Result<(), Error> { _timer: GlobalTimer,
) -> Result<(), Error> {
info!("received connection"); info!("received connection");
let data = unsafe { &BUFFER.data[..] }; let data = unsafe { &BUFFER.data[..] };
@ -113,7 +119,11 @@ async fn handle_connection(stream: &mut TcpStream, _aux_mutex: &Rc<Mutex<bool>>,
let total_byte_count = unsafe { pl::csr::rtio_analyzer::dma_byte_count_read() as u64 }; let total_byte_count = unsafe { pl::csr::rtio_analyzer::dma_byte_count_read() as u64 };
let pointer = (total_byte_count % BUFFER_SIZE as u64) as usize; let pointer = (total_byte_count % BUFFER_SIZE as u64) as usize;
let wraparound = total_byte_count >= BUFFER_SIZE as u64; let wraparound = total_byte_count >= BUFFER_SIZE as u64;
let sent_bytes = if wraparound { BUFFER_SIZE as u32 } else { total_byte_count as u32 }; let sent_bytes = if wraparound {
BUFFER_SIZE as u32
} else {
total_byte_count as u32
};
if overflow_occurred { if overflow_occurred {
warn!("overflow occured"); warn!("overflow occured");
@ -126,23 +136,28 @@ async fn handle_connection(stream: &mut TcpStream, _aux_mutex: &Rc<Mutex<bool>>,
let remote = remote_analyzer::get_data(_aux_mutex, _routing_table, _up_destinations, _timer).await; let remote = remote_analyzer::get_data(_aux_mutex, _routing_table, _up_destinations, _timer).await;
#[cfg(has_drtio)] #[cfg(has_drtio)]
let (header, remote_data) = match remote { let (header, remote_data) = match remote {
Ok(remote) => (Header { Ok(remote) => (
total_byte_count: total_byte_count + remote.total_byte_count, Header {
sent_bytes: sent_bytes + remote.sent_bytes, total_byte_count: total_byte_count + remote.total_byte_count,
error_occurred: overflow_occurred | bus_error_occurred | remote.error, sent_bytes: sent_bytes + remote.sent_bytes,
log_channel: pl::csr::CONFIG_RTIO_LOG_CHANNEL as u8, error_occurred: overflow_occurred | bus_error_occurred | remote.error,
dds_onehot_sel: true log_channel: pl::csr::CONFIG_RTIO_LOG_CHANNEL as u8,
}, remote.data), dds_onehot_sel: true,
},
remote.data,
),
Err(e) => { Err(e) => {
error!("Error getting remote analyzer data: {}", e); error!("Error getting remote analyzer data: {}", e);
(Header { (
total_byte_count: total_byte_count, Header {
sent_bytes: sent_bytes, total_byte_count: total_byte_count,
error_occurred: true, sent_bytes: sent_bytes,
log_channel: pl::csr::CONFIG_RTIO_LOG_CHANNEL as u8, error_occurred: true,
dds_onehot_sel: true log_channel: pl::csr::CONFIG_RTIO_LOG_CHANNEL as u8,
}, dds_onehot_sel: true,
Vec::new()) },
Vec::new(),
)
} }
}; };
@ -169,10 +184,12 @@ async fn handle_connection(stream: &mut TcpStream, _aux_mutex: &Rc<Mutex<bool>>,
Ok(()) Ok(())
} }
pub fn start(aux_mutex: &Rc<Mutex<bool>>, pub fn start(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &Rc<RefCell<drtio_routing::RoutingTable>>, routing_table: &Rc<RefCell<drtio_routing::RoutingTable>>,
up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>, up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
timer: GlobalTimer,) { timer: GlobalTimer,
) {
let aux_mutex = aux_mutex.clone(); let aux_mutex = aux_mutex.clone();
let routing_table = routing_table.clone(); let routing_table = routing_table.clone();
let up_destinations = up_destinations.clone(); let up_destinations = up_destinations.clone();

48
src/runtime/src/rtio_mgt.rs
View File

@ -21,8 +21,8 @@ pub mod drtio {
use log::{error, info, warn}; use log::{error, info, warn};
use super::*; use super::*;
use crate::{rtio_dma::remote_dma, ASYNC_ERROR_BUSY, ASYNC_ERROR_COLLISION, ASYNC_ERROR_SEQUENCE_ERROR, use crate::{analyzer::remote_analyzer::RemoteBuffer, rtio_dma::remote_dma, ASYNC_ERROR_BUSY,
SEEN_ASYNC_ERRORS, analyzer::remote_analyzer::RemoteBuffer}; ASYNC_ERROR_COLLISION, ASYNC_ERROR_SEQUENCE_ERROR, SEEN_ASYNC_ERRORS};
pub fn startup( pub fn startup(
aux_mutex: &Rc<Mutex<bool>>, aux_mutex: &Rc<Mutex<bool>>,
@ -527,37 +527,48 @@ pub mod drtio {
aux_mutex: &Rc<Mutex<bool>>, aux_mutex: &Rc<Mutex<bool>>,
routing_table: &drtio_routing::RoutingTable, routing_table: &drtio_routing::RoutingTable,
timer: GlobalTimer, timer: GlobalTimer,
destination: u8 destination: u8,
) -> Result<RemoteBuffer, &'static str> { ) -> Result<RemoteBuffer, &'static str> {
let linkno = routing_table.0[destination as usize][0] - 1; let linkno = routing_table.0[destination as usize][0] - 1;
let reply = aux_transact( let reply = aux_transact(
aux_mutex, aux_mutex,
linkno, linkno,
&Packet::AnalyzerHeaderRequest { destination: destination }, &Packet::AnalyzerHeaderRequest {
destination: destination,
},
timer, timer,
) )
.await; .await;
let (sent, total, overflow) = match reply { let (sent, total, overflow) = match reply {
Ok(Packet::AnalyzerHeader { Ok(Packet::AnalyzerHeader {
sent_bytes, total_byte_count, overflow_occurred } sent_bytes,
) => (sent_bytes, total_byte_count, overflow_occurred), total_byte_count,
overflow_occurred,
}) => (sent_bytes, total_byte_count, overflow_occurred),
Ok(_) => return Err("received unexpected aux packet during remote analyzer header request"), Ok(_) => return Err("received unexpected aux packet during remote analyzer header request"),
Err(e) => return Err(e) Err(e) => return Err(e),
}; };
let mut remote_data: Vec<u8> = Vec::new(); let mut remote_data: Vec<u8> = Vec::new();
if sent > 0 { if sent > 0 {
let mut last_packet = false; let mut last_packet = false;
while !last_packet { while !last_packet {
let reply = aux_transact(aux_mutex, linkno, let reply = aux_transact(
&Packet::AnalyzerDataRequest { destination: destination }, timer,).await; aux_mutex,
linkno,
&Packet::AnalyzerDataRequest {
destination: destination,
},
timer,
)
.await;
match reply { match reply {
Ok(Packet::AnalyzerData { last, length, data }) => { Ok(Packet::AnalyzerData { last, length, data }) => {
last_packet = last; last_packet = last;
remote_data.extend(&data[0..length as usize]); remote_data.extend(&data[0..length as usize]);
}, }
Ok(_) => return Err("received unexpected aux packet during remote analyzer data request"), Ok(_) => return Err("received unexpected aux packet during remote analyzer data request"),
Err(e) => return Err(e) Err(e) => return Err(e),
} }
} }
} }
@ -566,12 +577,13 @@ pub mod drtio {
sent_bytes: sent, sent_bytes: sent,
total_byte_count: total, total_byte_count: total,
error: overflow, error: overflow,
data: remote_data data: remote_data,
}) })
} }
pub async fn analyzer_query(aux_mutex: &Rc<Mutex<bool>>, pub async fn analyzer_query(
routing_table: &drtio_routing::RoutingTable, aux_mutex: &Rc<Mutex<bool>>,
routing_table: &drtio_routing::RoutingTable,
up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>, up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
timer: GlobalTimer, timer: GlobalTimer,
) -> Result<Vec<RemoteBuffer>, &'static str> { ) -> Result<Vec<RemoteBuffer>, &'static str> {

47
src/satman/src/analyzer.rs
View File

@ -1,6 +1,5 @@
use libboard_artiq::pl::csr; use libboard_artiq::{drtioaux_proto::ANALYZER_MAX_SIZE, pl::csr};
use libcortex_a9::cache; use libcortex_a9::cache;
use libboard_artiq::drtioaux_proto::ANALYZER_MAX_SIZE;
const BUFFER_SIZE: usize = 512 * 1024; const BUFFER_SIZE: usize = 512 * 1024;
@ -9,9 +8,7 @@ struct Buffer {
data: [u8; BUFFER_SIZE], data: [u8; BUFFER_SIZE],
} }
static mut BUFFER: Buffer = Buffer { static mut BUFFER: Buffer = Buffer { data: [0; BUFFER_SIZE] };
data: [0; BUFFER_SIZE]
};
fn arm() { fn arm() {
unsafe { unsafe {
@ -36,18 +33,18 @@ fn disarm() {
pub struct Analyzer { pub struct Analyzer {
// necessary for keeping track of sent data // necessary for keeping track of sent data
sent_bytes: usize, sent_bytes: usize,
data_iter: usize data_iter: usize,
} }
pub struct Header { pub struct Header {
pub total_byte_count: u64, pub total_byte_count: u64,
pub sent_bytes: u32, pub sent_bytes: u32,
pub error: bool pub error: bool,
} }
pub struct AnalyzerSliceMeta { pub struct AnalyzerSliceMeta {
pub len: u16, pub len: u16,
pub last: bool pub last: bool,
} }
impl Analyzer { impl Analyzer {
@ -56,7 +53,7 @@ impl Analyzer {
arm(); arm();
Analyzer { Analyzer {
sent_bytes: 0, sent_bytes: 0,
data_iter: 0 data_iter: 0,
} }
} }
@ -71,43 +68,55 @@ impl Analyzer {
let bus_err = unsafe { csr::rtio_analyzer::dma_bus_error_read() != 0 }; let bus_err = unsafe { csr::rtio_analyzer::dma_bus_error_read() != 0 };
let total_byte_count = unsafe { csr::rtio_analyzer::dma_byte_count_read() as u64 }; let total_byte_count = unsafe { csr::rtio_analyzer::dma_byte_count_read() as u64 };
let wraparound = total_byte_count >= BUFFER_SIZE as u64; let wraparound = total_byte_count >= BUFFER_SIZE as u64;
self.sent_bytes = if wraparound { BUFFER_SIZE } else { total_byte_count as usize }; self.sent_bytes = if wraparound {
self.data_iter = if wraparound { (total_byte_count % BUFFER_SIZE as u64) as usize } else { 0 }; BUFFER_SIZE
} else {
total_byte_count as usize
};
self.data_iter = if wraparound {
(total_byte_count % BUFFER_SIZE as u64) as usize
} else {
0
};
if overflow { if overflow {
warn!("overflow occured"); warn!("overflow occured");
} }
if bus_err { if bus_err {
warn!("bus error occured"); warn!("bus error occured");
} }
Header { Header {
total_byte_count: total_byte_count, total_byte_count: total_byte_count,
sent_bytes: self.sent_bytes as u32, sent_bytes: self.sent_bytes as u32,
error: overflow | bus_err error: overflow | bus_err,
} }
} }
pub fn get_data(&mut self, data_slice: &mut [u8; ANALYZER_MAX_SIZE]) -> AnalyzerSliceMeta { pub fn get_data(&mut self, data_slice: &mut [u8; ANALYZER_MAX_SIZE]) -> AnalyzerSliceMeta {
let data = unsafe { &BUFFER.data[..] }; let data = unsafe { &BUFFER.data[..] };
let i = self.data_iter; let i = self.data_iter;
let len = if i + ANALYZER_MAX_SIZE < self.sent_bytes { ANALYZER_MAX_SIZE } else { self.sent_bytes - i }; let len = if i + ANALYZER_MAX_SIZE < self.sent_bytes {
ANALYZER_MAX_SIZE
} else {
self.sent_bytes - i
};
let last = i + len == self.sent_bytes; let last = i + len == self.sent_bytes;
if i + len >= BUFFER_SIZE { if i + len >= BUFFER_SIZE {
data_slice[..len].clone_from_slice(&data[i..BUFFER_SIZE]); data_slice[..len].clone_from_slice(&data[i..BUFFER_SIZE]);
data_slice[..len].clone_from_slice(&data[..(i+len) % BUFFER_SIZE]); data_slice[..len].clone_from_slice(&data[..(i + len) % BUFFER_SIZE]);
} else { } else {
data_slice[..len].clone_from_slice(&data[i..i+len]); data_slice[..len].clone_from_slice(&data[i..i + len]);
} }
self.data_iter += len; self.data_iter += len;
if last { if last {
arm(); arm();
} }
AnalyzerSliceMeta { AnalyzerSliceMeta {
len: len as u16, len: len as u16,
last: last last: last,
} }
} }
} }

52
src/satman/src/main.rs
View File

@ -20,15 +20,14 @@ extern crate alloc;
use core::sync::atomic::{AtomicBool, Ordering}; use core::sync::atomic::{AtomicBool, Ordering};
use analyzer::Analyzer as Analyzer; use analyzer::Analyzer;
use dma::Manager as DmaManager; use dma::Manager as DmaManager;
use embedded_hal::blocking::delay::DelayUs; use embedded_hal::blocking::delay::DelayUs;
#[cfg(feature = "target_kasli_soc")] #[cfg(feature = "target_kasli_soc")]
use libboard_artiq::io_expander; use libboard_artiq::io_expander;
#[cfg(has_si5324)] #[cfg(has_si5324)]
use libboard_artiq::si5324; use libboard_artiq::si5324;
use libboard_artiq::{drtio_routing, drtioaux, identifier_read, logger, pl::csr}; use libboard_artiq::{drtio_routing, drtioaux, drtioaux_proto::ANALYZER_MAX_SIZE, identifier_read, logger, pl::csr};
use libboard_artiq::{drtioaux_proto::ANALYZER_MAX_SIZE};
#[cfg(feature = "target_kasli_soc")] #[cfg(feature = "target_kasli_soc")]
use libboard_zynq::error_led::ErrorLED; use libboard_zynq::error_led::ErrorLED;
use libboard_zynq::{gic, i2c::I2c, mpcore, print, println, stdio, time::Milliseconds, timer::GlobalTimer}; use libboard_zynq::{gic, i2c::I2c, mpcore, print, println, stdio, time::Milliseconds, timer::GlobalTimer};
@ -40,9 +39,9 @@ use libcortex_a9::{asm, interrupt_handler,
use libregister::{RegisterR, RegisterW}; use libregister::{RegisterR, RegisterW};
use libsupport_zynq::ram; use libsupport_zynq::ram;
mod analyzer;
mod dma; mod dma;
mod repeater; mod repeater;
mod analyzer;
fn drtiosat_reset(reset: bool) { fn drtiosat_reset(reset: bool) {
unsafe { unsafe {
@ -416,24 +415,34 @@ fn process_aux_packet(
) )
} }
drtioaux::Packet::AnalyzerHeaderRequest { destination: _destination } => { drtioaux::Packet::AnalyzerHeaderRequest {
destination: _destination,
} => {
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer); forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
let header = analyzer.get_header(); let header = analyzer.get_header();
drtioaux::send(0, &drtioaux::Packet::AnalyzerHeader { drtioaux::send(
total_byte_count: header.total_byte_count, 0,
sent_bytes: header.sent_bytes, &drtioaux::Packet::AnalyzerHeader {
overflow_occurred: header.error, total_byte_count: header.total_byte_count,
}) sent_bytes: header.sent_bytes,
overflow_occurred: header.error,
},
)
} }
drtioaux::Packet::AnalyzerDataRequest { destination: _destination } => { drtioaux::Packet::AnalyzerDataRequest {
destination: _destination,
} => {
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer); forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
let mut data_slice: [u8; ANALYZER_MAX_SIZE] = [0; ANALYZER_MAX_SIZE]; let mut data_slice: [u8; ANALYZER_MAX_SIZE] = [0; ANALYZER_MAX_SIZE];
let meta = analyzer.get_data(&mut data_slice); let meta = analyzer.get_data(&mut data_slice);
drtioaux::send(0, &drtioaux::Packet::AnalyzerData { drtioaux::send(
last: meta.last, 0,
length: meta.len, &drtioaux::Packet::AnalyzerData {
data: data_slice, last: meta.last,
}) length: meta.len,
data: data_slice,
},
)
} }
drtioaux::Packet::DmaAddTraceRequest { drtioaux::Packet::DmaAddTraceRequest {
@ -483,7 +492,16 @@ fn process_aux_packets(
) { ) {
let result = drtioaux::recv(0).and_then(|packet| { let result = drtioaux::recv(0).and_then(|packet| {
if let Some(packet) = packet { if let Some(packet) = packet {
process_aux_packet(repeaters, routing_table, rank, packet, timer, i2c, dma_manager, analyzer) process_aux_packet(
repeaters,
routing_table,
rank,
packet,
timer,
i2c,
dma_manager,
analyzer,
)
} else { } else {
Ok(()) Ok(())
} }