forked from M-Labs/humpback-dds
tcp_client: init
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9a42674bf9
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@ -1,5 +1,5 @@
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[target.thumbv7em-none-eabihf]
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runner = "gdb -q -x gdb_config/openocd.gdb"
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runner = "gdb -q -x gdb_config/fpga_config.gdb"
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rustflags = [
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"-C", "link-arg=-Tlink.x",
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]
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@ -20,6 +20,9 @@ lexical-core = { version="0.7.1", features=["radix"], default-features=false }
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libm = "0.2.0"
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embedded-nal = "0.1.0"
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minimq = "0.1.0"
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enum-iterator = "0.6.0"
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heapless = "0.5.5"
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generic-array = "0.14.3"
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# Logging and Panicking
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panic-itm = "0.4.1"
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@ -33,6 +36,9 @@ name = "ethernet"
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[[example]]
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name = "fpga_config"
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[[example]]
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name = "tcp_client"
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# Uncomment for the allocator example.
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# alloc-cortex-m = "0.3.5"
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261
examples/tcp_client.rs
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261
examples/tcp_client.rs
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@ -0,0 +1,261 @@
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#![no_std]
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#![no_main]
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use smoltcp as net;
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use stm32h7_ethernet as ethernet;
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use stm32h7xx_hal::{gpio::Speed, prelude::*, spi, pac};
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use embedded_hal::{blocking::spi::Transfer};
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use heapless::{consts, String};
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use cortex_m;
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use cortex_m_rt::{
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entry,
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exception,
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};
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use cortex_m_semihosting::hprintln;
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use panic_halt as _;
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use rtic::cyccnt::{Instant, U32Ext};
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use minimq::{
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embedded_nal::{IpAddr, Ipv4Addr},
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MqttClient, QoS,
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};
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use firmware::nal_tcp_client::{NetworkStack, NetStorage, NetworkInterface};
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use firmware::{Urukul};
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use firmware::cpld::{CPLD};
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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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net::wire::Ipv6Cidr::SOLICITED_NODE_PREFIX,
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)],
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neighbor_cache: [None; 8],
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};
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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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}
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pub type UrukulType = Urukul<
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firmware::spi_slave::SPISlave<
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'static,
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firmware::cpld::CPLD<
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stm32h7xx_hal::spi::Spi<stm32h7xx_hal::device::SPI1>,
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stm32h7xx_hal::gpio::gpiob::PB12<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpioa::PA15<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpioc::PC7<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpiob::PB15<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>
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>,
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stm32h7xx_hal::spi::Spi<stm32h7xx_hal::device::SPI1>,
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stm32h7xx_hal::gpio::gpiob::PB12<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpioa::PA15<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpioc::PC7<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpiob::PB15<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>
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>
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>;
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pub type CPLDType = CPLD<
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stm32h7xx_hal::spi::Spi<stm32h7xx_hal::device::SPI1>,
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stm32h7xx_hal::gpio::gpiob::PB12<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpioa::PA15<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpioc::PC7<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpiob::PB15<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>
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>;
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pub type IoUpdateType = stm32h7xx_hal::gpio::gpiob::PB15<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>;
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pub type SpiType = stm32h7xx_hal::spi::Spi<stm32h7xx_hal::device::SPI1, u8>;
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pub type PartsType = firmware::spi_slave::Parts<
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'static,
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firmware::cpld::CPLD<
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stm32h7xx_hal::spi::Spi<stm32h7xx_hal::device::SPI1>,
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stm32h7xx_hal::gpio::gpiob::PB12<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpioa::PA15<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpioc::PC7<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpiob::PB15<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>
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>,
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stm32h7xx_hal::spi::Spi<stm32h7xx_hal::device::SPI1>,
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stm32h7xx_hal::gpio::gpiob::PB12<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpioa::PA15<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpioc::PC7<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>,
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stm32h7xx_hal::gpio::gpiob::PB15<stm32h7xx_hal::gpio::Output<stm32h7xx_hal::gpio::PushPull>>
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>;
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#[entry]
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fn main() -> ! {
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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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cp.DWT.enable_cycle_counter();
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// Enable SRAM3 for the descriptor ring.
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dp.RCC.ahb2enr.modify(|_, w| w.sram3en().set_bit());
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let rcc = dp.RCC.constrain();
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let pwr = dp.PWR.constrain();
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let vos = pwr.freeze();
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let ccdr = rcc
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.sysclk(400.mhz())
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.hclk(200.mhz())
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.per_ck(100.mhz())
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.pll1_q_ck(48.mhz()) // for SPI
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.pll2_p_ck(100.mhz())
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.pll2_q_ck(100.mhz())
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.freeze(vos, &dp.SYSCFG);
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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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let gpiod = dp.GPIOD.split(ccdr.peripheral.GPIOD);
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let gpioe = dp.GPIOE.split(ccdr.peripheral.GPIOE);
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let gpiof = dp.GPIOF.split(ccdr.peripheral.GPIOF);
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let gpiog = dp.GPIOG.split(ccdr.peripheral.GPIOG);
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// Configure ethernet IO
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{
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let _rmii_refclk = gpioa.pa1.into_alternate_af11().set_speed(Speed::VeryHigh);
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let _rmii_mdio = gpioa.pa2.into_alternate_af11().set_speed(Speed::VeryHigh);
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let _rmii_mdc = gpioc.pc1.into_alternate_af11().set_speed(Speed::VeryHigh);
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let _rmii_crs_dv = gpioa.pa7.into_alternate_af11().set_speed(Speed::VeryHigh);
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let _rmii_rxd0 = gpioc.pc4.into_alternate_af11().set_speed(Speed::VeryHigh);
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let _rmii_rxd1 = gpioc.pc5.into_alternate_af11().set_speed(Speed::VeryHigh);
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let _rmii_tx_en = gpiog.pg11.into_alternate_af11().set_speed(Speed::VeryHigh);
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let _rmii_txd0 = gpiog.pg13.into_alternate_af11().set_speed(Speed::VeryHigh);
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let _rmii_txd1 = gpiob.pb13.into_alternate_af11().set_speed(Speed::VeryHigh);
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}
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// Configure ethernet
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let mut net_interface = {
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let mac_addr = net::wire::EthernetAddress([0xAC, 0x6F, 0x7A, 0xDE, 0xD6, 0xC8]);
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let (eth_dma, _eth_mac) = unsafe {
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ethernet::ethernet_init(
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dp.ETHERNET_MAC,
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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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)
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};
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unsafe { ethernet::enable_interrupt() }
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let store = unsafe { &mut NET_STORE };
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store.ip_addrs[0] = net::wire::IpCidr::new(net::wire::IpAddress::v4(192, 168, 1, 200), 24);
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let neighbor_cache = net::iface::NeighborCache::new(&mut store.neighbor_cache[..]);
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net::iface::EthernetInterfaceBuilder::new(eth_dma)
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.ethernet_addr(mac_addr)
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.neighbor_cache(neighbor_cache)
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.ip_addrs(&mut store.ip_addrs[..])
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.finalize()
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};
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/*
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* Using SPI1, AF5
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* SCLK -> PA5
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* MOSI -> PB5
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* MISO -> PA6
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* CS -> 0: PB12, 1: PA15, 2: PC7
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* I/O_Update -> PB15
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*/
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let sclk = gpioa.pa5.into_alternate_af5();
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let mosi = gpiob.pb5.into_alternate_af5();
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let miso = gpioa.pa6.into_alternate_af5();
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let (cs0, cs1, cs2) = (
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gpiob.pb12.into_push_pull_output(),
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gpioa.pa15.into_push_pull_output(),
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gpioc.pc7.into_push_pull_output(),
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);
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let io_update = gpiob.pb15.into_push_pull_output();
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let spi = dp.SPI1.spi(
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(sclk, miso, mosi),
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spi::MODE_0,
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3.mhz(),
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ccdr.peripheral.SPI1,
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&ccdr.clocks,
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);
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let cpld = CPLD::new(spi, (cs0, cs1, cs2), io_update);
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let parts = cpld.split();
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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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[25_000_000, 25_000_000, 25_000_000, 25_000_000]
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);
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cp.SCB.enable_icache();
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let mut time: u32 = 0;
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let mut next_ms = Instant::now();
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next_ms += 400_00.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 tcp_stack = NetworkStack::new(&mut net_interface, sockets);
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let mut client = MqttClient::<consts::U256, _>::new(
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IpAddr::V4(Ipv4Addr::new(192, 168, 1, 125)),
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"nucleo",
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tcp_stack,
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)
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.unwrap();
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loop {
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let tick = Instant::now() > next_ms;
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if tick {
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next_ms += 400_000.cycles();
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time += 1;
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}
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if tick && (time % 1000) == 0 {
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client
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.publish("nucleo", "Hello, World!".as_bytes(), QoS::AtMostOnce, &[])
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.unwrap();
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}
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client
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.poll(|_client, topic, message, _properties| match topic {
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_ => hprintln!("On '{:?}', received: {:?}", topic, message).unwrap(),
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})
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.unwrap();
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// Update the TCP stack.
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let sleep = client.network_stack.update(time);
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if sleep {
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//cortex_m::asm::wfi();
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cortex_m::asm::nop();
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}
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match client.is_connected() {
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true => hprintln!("Connected"),
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false => hprintln!("No Connection"),
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}.unwrap();
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}
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}
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