Cleaning up demo
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@ -3,37 +3,22 @@
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#![no_main]
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#![cfg_attr(feature = "nightly", feature(core_intrinsics))]
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use stm32h7xx_hal as hal;
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#[macro_use]
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extern crate log;
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use rtic::cyccnt::{Instant, U32Ext};
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use heapless::{consts::*, String};
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// A constant sinusoid to send on the DAC output.
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const DAC_SEQUENCE: [f32; 8] =
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[0.0, 0.707, 1.0, 0.707, 0.0, -0.707, -1.0, -0.707];
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use dsp::{iir, iir_int, lockin::Lockin, reciprocal_pll::TimestampHandler};
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use dsp::{iir, iir_int, lockin::Lockin};
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use hardware::{Adc1Input, Dac0Output, Dac1Output, AFE0, AFE1};
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use stabilizer::{
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hardware, server, ADC_SAMPLE_TICKS_LOG2, SAMPLE_BUFFER_SIZE_LOG2,
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};
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use stabilizer::hardware;
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const SCALE: f32 = ((1 << 15) - 1) as f32;
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const TCP_RX_BUFFER_SIZE: usize = 8192;
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const TCP_TX_BUFFER_SIZE: usize = 8192;
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#[rtic::app(device = stm32h7xx_hal::stm32, peripherals = true, monotonic = rtic::cyccnt::CYCCNT)]
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const APP: () = {
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struct Resources {
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afes: (AFE0, AFE1),
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adc1: Adc1Input,
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dacs: (Dac0Output, Dac1Output),
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net_interface: hardware::Ethernet,
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#[init([0.; 5])]
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iir_state: iir::IIRState,
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@ -63,11 +48,9 @@ const APP: () = {
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init::LateResources {
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lockin,
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pll,
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afes: stabilizer.afes,
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adc1: stabilizer.adcs.1,
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dacs: stabilizer.dacs,
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net_interface: stabilizer.net.interface,
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}
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}
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@ -89,7 +72,7 @@ const APP: () = {
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/// the same time bounds, meeting one also means the other is also met.
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///
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/// TODO: Document
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#[task(binds=DMA1_STR4, resources=[adc1, dacs, iir_state, iir, lockin, pll], priority=2)]
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#[task(binds=DMA1_STR4, resources=[adc1, dacs, iir_state, iir, lockin], priority=2)]
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fn process(mut c: process::Context) {
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let adc_samples = c.resources.adc1.acquire_buffer();
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let dac_samples = [
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@ -144,117 +127,17 @@ const APP: () = {
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}
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}
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#[idle(resources=[net_interface, iir_state, iir, afes])]
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fn idle(mut c: idle::Context) -> ! {
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let mut socket_set_entries: [_; 8] = Default::default();
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let mut sockets =
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smoltcp::socket::SocketSet::new(&mut socket_set_entries[..]);
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let mut rx_storage = [0; TCP_RX_BUFFER_SIZE];
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let mut tx_storage = [0; TCP_TX_BUFFER_SIZE];
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let tcp_handle = {
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let tcp_rx_buffer =
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smoltcp::socket::TcpSocketBuffer::new(&mut rx_storage[..]);
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let tcp_tx_buffer =
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smoltcp::socket::TcpSocketBuffer::new(&mut tx_storage[..]);
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let tcp_socket =
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smoltcp::socket::TcpSocket::new(tcp_rx_buffer, tcp_tx_buffer);
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sockets.add(tcp_socket)
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};
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let mut server = server::Server::new();
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let mut time = 0u32;
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let mut next_ms = Instant::now();
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// TODO: Replace with reference to CPU clock from CCDR.
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next_ms += 400_000.cycles();
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#[idle(resources=[iir_state, iir, afes])]
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fn idle(_: idle::Context) -> ! {
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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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{
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let socket =
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&mut *sockets.get::<smoltcp::socket::TcpSocket>(tcp_handle);
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if socket.state() == smoltcp::socket::TcpState::CloseWait {
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socket.close();
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} else if !(socket.is_open() || socket.is_listening()) {
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socket
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.listen(1235)
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.unwrap_or_else(|e| warn!("TCP listen error: {:?}", e));
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} else {
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server.poll(socket, |req| {
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info!("Got request: {:?}", req);
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stabilizer::route_request!(req,
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readable_attributes: [
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"stabilizer/iir/state": (|| {
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let state = c.resources.iir_state.lock(|iir_state|
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server::Status {
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t: time,
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x0: iir_state[0],
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y0: iir_state[2],
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x1: iir_state[0],
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y1: iir_state[2],
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});
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Ok::<server::Status, ()>(state)
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}),
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"stabilizer/afe0/gain": (|| c.resources.afes.0.get_gain()),
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"stabilizer/afe1/gain": (|| c.resources.afes.1.get_gain())
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],
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modifiable_attributes: [
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"stabilizer/iir/state": server::IirRequest, (|req: server::IirRequest| {
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c.resources.iir.lock(|iir| {
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if req.channel >= 1 {
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return Err(());
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}
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*iir = req.iir;
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Ok::<server::IirRequest, ()>(req)
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})
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}),
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"stabilizer/afe0/gain": hardware::AfeGain, (|gain| {
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c.resources.afes.0.set_gain(gain);
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Ok::<(), ()>(())
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}),
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"stabilizer/afe1/gain": hardware::AfeGain, (|gain| {
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c.resources.afes.1.set_gain(gain);
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Ok::<(), ()>(())
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})
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]
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)
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});
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}
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}
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let sleep = match c.resources.net_interface.poll(
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&mut sockets,
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smoltcp::time::Instant::from_millis(time as i64),
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) {
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Ok(changed) => !changed,
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Err(smoltcp::Error::Unrecognized) => true,
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Err(e) => {
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info!("iface poll error: {:?}", e);
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true
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}
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};
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if sleep {
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// TODO: Implement network interface.
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cortex_m::asm::wfi();
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}
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}
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}
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#[task(binds = ETH, priority = 1)]
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fn eth(_: eth::Context) {
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unsafe { hal::ethernet::interrupt_handler() }
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unsafe { stm32h7xx_hal::ethernet::interrupt_handler() }
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}
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#[task(binds = SPI2, priority = 3)]
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