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main: incoporate alloc, tls, and flash

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This commit is contained in:
occheung 2020-12-18 17:46:56 +08:00
parent 3b4a81eceb
commit fc1fedf890
1 changed files with 100 additions and 44 deletions
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142
src/main.rs
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@ -2,23 +2,30 @@
#![no_std]
#![feature(core_intrinsics)]
#![feature(assoc_char_funcs)]
#![feature(alloc_error_handler)]
use log::{ trace, warn };
use stm32h7xx_hal::gpio::Speed;
use stm32h7xx_hal::rng::Rng;
use stm32h7xx_hal::{pac, prelude::*, spi};
use stm32h7xx_hal::ethernet;
use smoltcp as net;
use minimq::{
embedded_nal::IpAddr,
MqttClient, QoS
};
use smoltcp_tls as tls;
use minimq::{ MqttClient, QoS };
use cortex_m;
use cortex_m_rt::entry;
use alloc_cortex_m::CortexMHeap;
use rtic::cyccnt::{Instant, U32Ext};
use rand_core::{RngCore, CryptoRng};
use tls::TlsRng;
use tls::tls::TlsSocket;
use tls::tcp_stack::NetworkStack;
use heapless::{ String, consts, consts::* };
use core::alloc::Layout;
#[macro_use]
pub mod bitmask_macro;
@ -28,8 +35,8 @@ use crate::cpld::CPLD;
pub mod config_register;
pub mod attenuator;
pub mod dds;
pub mod nal_tcp_client;
use crate::nal_tcp_client::{ NetStorage, NetworkStack };
pub mod net_store;
use crate::net_store::NetStorage;
pub mod fpga;
use crate::fpga::flash_ice40_fpga;
pub mod mqtt_mux;
@ -37,10 +44,22 @@ use crate::mqtt_mux::MqttMux;
pub mod urukul;
use crate::urukul::Urukul;
pub mod flash;
use crate::flash::read_flash;
pub mod config;
use crate::config::get_net_config;
pub mod flash_store;
use crate::flash_store::init_flash;
mod logger;
#[global_allocator]
static ALLOCATOR: CortexMHeap = CortexMHeap::empty();
#[alloc_error_handler]
fn oom(_: Layout) -> ! {
warn!("Out of memory!");
loop {}
}
static mut NET_STORE: NetStorage = NetStorage {
// Placeholder for the real IP address, which is initialized at runtime.
ip_addrs: [net::wire::IpCidr::Ipv6(
@ -53,25 +72,40 @@ static mut NET_STORE: NetStorage = NetStorage {
#[link_section = ".sram3.eth"]
static mut DES_RING: ethernet::DesRing = ethernet::DesRing::new();
macro_rules! add_socket {
($sockets:ident, $tx_storage:ident, $rx_storage:ident) => {
let mut $rx_storage = [0; 4096];
let mut $tx_storage = [0; 4096];
let tcp_socket = {
let tx_buffer = net::socket::TcpSocketBuffer::new(&mut $tx_storage[..]);
let rx_buffer = net::socket::TcpSocketBuffer::new(&mut $rx_storage[..]);
net::socket::TcpSocket::new(tx_buffer, rx_buffer)
};
let _handle = $sockets.add(tcp_socket);
};
struct RngStruct {
rng: Rng
}
impl RngCore for RngStruct {
fn next_u32(&mut self) -> u32 {
self.rng.gen().unwrap()
}
fn next_u64(&mut self) -> u64 {
(u64::from(self.next_u32()) << 32) | u64::from(self.next_u32())
}
fn fill_bytes(&mut self, dest: &mut [u8]) {
self.rng.fill(dest).unwrap();
}
fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), rand_core::Error> {
Ok(self.fill_bytes(dest))
}
}
impl CryptoRng for RngStruct {}
impl TlsRng for RngStruct {}
#[entry]
fn main() -> ! {
// Initialize the allocator BEFORE you use it
let start = cortex_m_rt::heap_start() as usize;
let size = 32768; // in bytes
unsafe { ALLOCATOR.init(start, size) }
let mut cp = cortex_m::Peripherals::take().unwrap();
let dp = pac::Peripherals::take().unwrap();
@ -104,12 +138,17 @@ fn main() -> ! {
cp.DWT.enable_cycle_counter();
// Acquire client/broker IP Address, client MAC address from flash memory
let (ipv4_addr_cidr, mac_addr, broker_ipv4_addr, device_name) = {
let mut addr = 0x08100000;
read_flash(&mut addr)
// Instantiate random number generator
let mut rng = RngStruct {
rng: dp.RNG.constrain(ccdr.peripheral.RNG, &ccdr.clocks)
};
// Create sfkv store and flash storage manager
let (flash, mut flash_store) = init_flash(dp.FLASH);
// Acquire client/broker IP Address, client MAC address from flash memory
let net_config = get_net_config(&mut flash_store);
let gpioa = dp.GPIOA.split(ccdr.peripheral.GPIOA);
let gpiob = dp.GPIOB.split(ccdr.peripheral.GPIOB);
let gpioc = dp.GPIOC.split(ccdr.peripheral.GPIOC);
@ -168,7 +207,7 @@ fn main() -> ! {
dp.ETHERNET_MTL,
dp.ETHERNET_DMA,
&mut DES_RING,
mac_addr.clone(),
net_config.eth_addr.clone(),
)
};
@ -176,7 +215,7 @@ fn main() -> ! {
let store = unsafe { &mut NET_STORE };
store.ip_addrs[0] = ipv4_addr_cidr;
store.ip_addrs[0] = net_config.ip_cidr;
let neighbor_cache = net::iface::NeighborCache::new(&mut store.neighbor_cache[..]);
@ -185,7 +224,7 @@ fn main() -> ! {
routes.add_default_ipv4_route(default_v4_gw).unwrap();
let mut net_interface = net::iface::EthernetInterfaceBuilder::new(eth_dma)
.ethernet_addr(mac_addr)
.ethernet_addr(net_config.eth_addr)
.neighbor_cache(neighbor_cache)
.ip_addrs(&mut store.ip_addrs[..])
.routes(routes)
@ -223,12 +262,11 @@ fn main() -> ! {
let switch = CPLD::new(spi, (cs0, cs1, cs2), io_update);
let parts = switch.split();
let mut urukul = Urukul::new(
let urukul = Urukul::new(
parts.spi1, parts.spi2, parts.spi3, parts.spi4, parts.spi5, parts.spi6, parts.spi7
);
urukul.reset().unwrap();
let mut mqtt_mux = MqttMux::new(urukul, device_name.as_str());
let mut mqtt_mux = MqttMux::new(urukul, flash, flash_store, net_config.name.as_str());
// Time unit in ms
let mut time: u32 = 0;
@ -238,16 +276,35 @@ fn main() -> ! {
let mut next_ms = Instant::now();
next_ms += 400_000.cycles();
let mut socket_set_entries: [_; 8] = Default::default();
let mut sockets = net::socket::SocketSet::new(&mut socket_set_entries[..]);
add_socket!(sockets, rx_storage, tx_storage);
let mut tls_socket_entries: [_; 1] = Default::default();
let mut tls_socket_set = smoltcp_tls::set::TlsSocketSet::new(
&mut tls_socket_entries[..]
);
let tcp_stack = NetworkStack::new(&mut net_interface, sockets);
let mut tx_storage = [0; 4096];
let mut rx_storage = [0; 4096];
let tx_buffer = net::socket::TcpSocketBuffer::new(&mut tx_storage[..]);
let rx_buffer = net::socket::TcpSocketBuffer::new(&mut rx_storage[..]);
let mut tcp_socket = net::socket::TcpSocket::new(rx_buffer, tx_buffer);
tcp_socket.set_keep_alive(
Some(net::time::Duration::from_secs(2))
);
let tls_socket = TlsSocket::new(
tcp_socket,
&mut rng,
None
);
let _ = tls_socket_set.add(tls_socket);
let tls_stack = NetworkStack::new(
tls_socket_set
);
let mut client = MqttClient::<consts::U256, _>::new(
IpAddr::V4(broker_ipv4_addr),
device_name.as_str(),
tcp_stack,
net_config.broker_ip,
net_config.name.as_str(),
tls_stack,
)
.unwrap();
@ -265,9 +322,8 @@ fn main() -> ! {
// eth Poll if necessary
// Do not poll if eth link is down
if tick && client.network_stack.update_delay(time) == 0 && eth_mac.phy_poll_link() {
client.network_stack.update(time);
}
while !eth_mac.phy_poll_link() {}
client.network_stack.poll(&mut net_interface, net::time::Instant::from_millis(time));
// Process MQTT messages about Urukul/Control
let connection = match client
@ -277,7 +333,7 @@ fn main() -> ! {
}) {
Ok(_) => true,
Err(e) => {
warn!("{:?}", e);
log::info!("Warn: {:?}", e);
false
},
};
@ -293,7 +349,7 @@ fn main() -> ! {
}
if connection && !has_subscribed && tick {
let mut str_builder: String<U128> = String::from(device_name.as_str());
let mut str_builder: String<U128> = String::from(net_config.name.as_str());
str_builder.push_str("/Control/#").unwrap();
match client.subscribe(str_builder.as_str(), &[]) {
Ok(()) => has_subscribed = true,