Cleaning up demo

This commit is contained in:
Ryan Summers 2021-01-29 10:11:56 +01:00
parent cf8b06be81
commit 1ebbe0f6d7
1 changed files with 8 additions and 125 deletions

View File

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