main: incoporate alloc, tls, and flash
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3b4a81eceb
commit
fc1fedf890
142
src/main.rs
142
src/main.rs
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@ -2,23 +2,30 @@
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#![no_std]
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#![feature(core_intrinsics)]
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#![feature(assoc_char_funcs)]
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#![feature(alloc_error_handler)]
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use log::{ trace, warn };
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use stm32h7xx_hal::gpio::Speed;
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use stm32h7xx_hal::rng::Rng;
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use stm32h7xx_hal::{pac, prelude::*, spi};
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use stm32h7xx_hal::ethernet;
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use smoltcp as net;
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use minimq::{
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embedded_nal::IpAddr,
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MqttClient, QoS
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};
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use smoltcp_tls as tls;
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use minimq::{ MqttClient, QoS };
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use cortex_m;
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use cortex_m_rt::entry;
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use alloc_cortex_m::CortexMHeap;
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use rtic::cyccnt::{Instant, U32Ext};
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use rand_core::{RngCore, CryptoRng};
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use tls::TlsRng;
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use tls::tls::TlsSocket;
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use tls::tcp_stack::NetworkStack;
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use heapless::{ String, consts, consts::* };
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use core::alloc::Layout;
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#[macro_use]
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pub mod bitmask_macro;
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@ -28,8 +35,8 @@ use crate::cpld::CPLD;
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pub mod config_register;
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pub mod attenuator;
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pub mod dds;
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pub mod nal_tcp_client;
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use crate::nal_tcp_client::{ NetStorage, NetworkStack };
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pub mod net_store;
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use crate::net_store::NetStorage;
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pub mod fpga;
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use crate::fpga::flash_ice40_fpga;
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pub mod mqtt_mux;
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@ -37,10 +44,22 @@ use crate::mqtt_mux::MqttMux;
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pub mod urukul;
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use crate::urukul::Urukul;
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pub mod flash;
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use crate::flash::read_flash;
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pub mod config;
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use crate::config::get_net_config;
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pub mod flash_store;
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use crate::flash_store::init_flash;
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mod logger;
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#[global_allocator]
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static ALLOCATOR: CortexMHeap = CortexMHeap::empty();
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#[alloc_error_handler]
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fn oom(_: Layout) -> ! {
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warn!("Out of memory!");
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loop {}
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}
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static mut NET_STORE: NetStorage = NetStorage {
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// Placeholder for the real IP address, which is initialized at runtime.
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ip_addrs: [net::wire::IpCidr::Ipv6(
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@ -53,25 +72,40 @@ static mut NET_STORE: NetStorage = NetStorage {
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#[link_section = ".sram3.eth"]
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static mut DES_RING: ethernet::DesRing = ethernet::DesRing::new();
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macro_rules! add_socket {
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($sockets:ident, $tx_storage:ident, $rx_storage:ident) => {
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let mut $rx_storage = [0; 4096];
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let mut $tx_storage = [0; 4096];
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let tcp_socket = {
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let tx_buffer = net::socket::TcpSocketBuffer::new(&mut $tx_storage[..]);
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let rx_buffer = net::socket::TcpSocketBuffer::new(&mut $rx_storage[..]);
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net::socket::TcpSocket::new(tx_buffer, rx_buffer)
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};
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let _handle = $sockets.add(tcp_socket);
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};
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struct RngStruct {
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rng: Rng
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}
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impl RngCore for RngStruct {
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fn next_u32(&mut self) -> u32 {
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self.rng.gen().unwrap()
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}
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fn next_u64(&mut self) -> u64 {
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(u64::from(self.next_u32()) << 32) | u64::from(self.next_u32())
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}
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fn fill_bytes(&mut self, dest: &mut [u8]) {
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self.rng.fill(dest).unwrap();
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}
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fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), rand_core::Error> {
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Ok(self.fill_bytes(dest))
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}
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}
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impl CryptoRng for RngStruct {}
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impl TlsRng for RngStruct {}
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#[entry]
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fn main() -> ! {
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// Initialize the allocator BEFORE you use it
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let start = cortex_m_rt::heap_start() as usize;
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let size = 32768; // in bytes
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unsafe { ALLOCATOR.init(start, size) }
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let mut cp = cortex_m::Peripherals::take().unwrap();
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let dp = pac::Peripherals::take().unwrap();
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@ -104,12 +138,17 @@ fn main() -> ! {
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cp.DWT.enable_cycle_counter();
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// Acquire client/broker IP Address, client MAC address from flash memory
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let (ipv4_addr_cidr, mac_addr, broker_ipv4_addr, device_name) = {
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let mut addr = 0x08100000;
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read_flash(&mut addr)
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// Instantiate random number generator
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let mut rng = RngStruct {
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rng: dp.RNG.constrain(ccdr.peripheral.RNG, &ccdr.clocks)
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};
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// Create sfkv store and flash storage manager
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let (flash, mut flash_store) = init_flash(dp.FLASH);
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// Acquire client/broker IP Address, client MAC address from flash memory
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let net_config = get_net_config(&mut flash_store);
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let gpioa = dp.GPIOA.split(ccdr.peripheral.GPIOA);
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let gpiob = dp.GPIOB.split(ccdr.peripheral.GPIOB);
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let gpioc = dp.GPIOC.split(ccdr.peripheral.GPIOC);
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@ -168,7 +207,7 @@ fn main() -> ! {
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dp.ETHERNET_MTL,
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dp.ETHERNET_DMA,
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&mut DES_RING,
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mac_addr.clone(),
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net_config.eth_addr.clone(),
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)
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};
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@ -176,7 +215,7 @@ fn main() -> ! {
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let store = unsafe { &mut NET_STORE };
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store.ip_addrs[0] = ipv4_addr_cidr;
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store.ip_addrs[0] = net_config.ip_cidr;
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let neighbor_cache = net::iface::NeighborCache::new(&mut store.neighbor_cache[..]);
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@ -185,7 +224,7 @@ fn main() -> ! {
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routes.add_default_ipv4_route(default_v4_gw).unwrap();
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let mut net_interface = net::iface::EthernetInterfaceBuilder::new(eth_dma)
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.ethernet_addr(mac_addr)
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.ethernet_addr(net_config.eth_addr)
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.neighbor_cache(neighbor_cache)
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.ip_addrs(&mut store.ip_addrs[..])
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.routes(routes)
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@ -223,12 +262,11 @@ fn main() -> ! {
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let switch = CPLD::new(spi, (cs0, cs1, cs2), io_update);
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let parts = switch.split();
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let mut urukul = Urukul::new(
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let urukul = Urukul::new(
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parts.spi1, parts.spi2, parts.spi3, parts.spi4, parts.spi5, parts.spi6, parts.spi7
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);
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urukul.reset().unwrap();
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let mut mqtt_mux = MqttMux::new(urukul, device_name.as_str());
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let mut mqtt_mux = MqttMux::new(urukul, flash, flash_store, net_config.name.as_str());
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// Time unit in ms
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let mut time: u32 = 0;
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@ -238,16 +276,35 @@ fn main() -> ! {
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let mut next_ms = Instant::now();
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next_ms += 400_000.cycles();
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let mut socket_set_entries: [_; 8] = Default::default();
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let mut sockets = net::socket::SocketSet::new(&mut socket_set_entries[..]);
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add_socket!(sockets, rx_storage, tx_storage);
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let mut tls_socket_entries: [_; 1] = Default::default();
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let mut tls_socket_set = smoltcp_tls::set::TlsSocketSet::new(
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&mut tls_socket_entries[..]
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);
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let tcp_stack = NetworkStack::new(&mut net_interface, sockets);
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let mut tx_storage = [0; 4096];
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let mut rx_storage = [0; 4096];
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let tx_buffer = net::socket::TcpSocketBuffer::new(&mut tx_storage[..]);
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let rx_buffer = net::socket::TcpSocketBuffer::new(&mut rx_storage[..]);
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let mut tcp_socket = net::socket::TcpSocket::new(rx_buffer, tx_buffer);
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tcp_socket.set_keep_alive(
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Some(net::time::Duration::from_secs(2))
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);
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let tls_socket = TlsSocket::new(
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tcp_socket,
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&mut rng,
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None
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);
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let _ = tls_socket_set.add(tls_socket);
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let tls_stack = NetworkStack::new(
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tls_socket_set
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);
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let mut client = MqttClient::<consts::U256, _>::new(
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IpAddr::V4(broker_ipv4_addr),
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device_name.as_str(),
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tcp_stack,
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net_config.broker_ip,
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net_config.name.as_str(),
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tls_stack,
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)
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.unwrap();
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@ -265,9 +322,8 @@ fn main() -> ! {
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// eth Poll if necessary
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// Do not poll if eth link is down
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if tick && client.network_stack.update_delay(time) == 0 && eth_mac.phy_poll_link() {
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client.network_stack.update(time);
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}
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while !eth_mac.phy_poll_link() {}
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client.network_stack.poll(&mut net_interface, net::time::Instant::from_millis(time));
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// Process MQTT messages about Urukul/Control
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let connection = match client
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@ -277,7 +333,7 @@ fn main() -> ! {
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}) {
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Ok(_) => true,
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Err(e) => {
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warn!("{:?}", e);
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log::info!("Warn: {:?}", e);
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false
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},
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};
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@ -293,7 +349,7 @@ fn main() -> ! {
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}
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if connection && !has_subscribed && tick {
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let mut str_builder: String<U128> = String::from(device_name.as_str());
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let mut str_builder: String<U128> = String::from(net_config.name.as_str());
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str_builder.push_str("/Control/#").unwrap();
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match client.subscribe(str_builder.as_str(), &[]) {
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Ok(()) => has_subscribed = true,
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