feat: Embassy driver #1

+21

.tangled/workflows/test.yml

··· 1 1 + when: 2 2 + - event: ["push", "pull_request"] 3 3 + branch: main 4 4 + 5 5 + engine: nixery 6 6 + 7 7 + dependencies: 8 8 + nixpkgs: 9 9 + - clang 10 10 + - cargo 11 11 + - rustfmt 12 12 + - protobuf 13 13 + - cargo-nextest 14 14 + 15 15 + steps: 16 16 + - name: Format check 17 17 + command: cargo fmt --all --check 18 18 + - name: Tests 19 19 + command: cargo nextest run --workspace --locked --no-fail-fast 20 20 + - name: Doc Tests 21 21 + command: cargo test --workspace --locked --doc --no-fail-fast

+1158

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+17

Cargo.toml

··· 1 1 + [workspace] 2 2 + resolver = "3" 3 3 + members = ["embassy-strike-driver"] 4 4 + 5 5 + [workspace.package] 6 6 + authors = ["Sachy.dev <sachymetsu@tutamail.com>"] 7 7 + edition = "2024" 8 8 + repository = "https://tangled.org/sachy.dev/strike-sensor" 9 9 + version = "0.1.0" 10 10 + license = "AGPL-3.0-only" 11 11 + rust-version = "1.91.0" 12 12 + 13 13 + [workspace.dependencies] 14 14 + embassy-time = "0.5" 15 15 + embassy-sync = "0.7" 16 16 + embassy-rp = "0.9" 17 17 + defmt = "1"

+5 -1

README.md

··· 4 4 5 5 The sensor designs can be found in the [kicad](./kicad) folder. 6 6 7 7 + ## Driver 8 8 + 9 9 + Currently, the driver needs to be tested and coded according to how the new PCB/circuit behaves, so this will require a bit of work before considered "ready". 10 10 + 7 11 ## Licenses 8 12 9 9 - The sensor hardware designs are licensed under the [CERN Open Hardware Licence Version 2 - Strongly Reciprocal](./kicad/LICENSE-CERN-OHL-S) license. 13 13 + The sensor hardware designs are licensed under the [CERN Open Hardware Licence Version 2 - Strongly Reciprocal](./kicad/LICENSE-CERN-OHL-S) license. ⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁤⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁤⁤⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁤⁢⁢⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁤⁢⁤⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁤⁤⁤⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁤⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁢⁤⁤⁢⁤⁤⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁤⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁤⁤⁤⁢⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁤⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁤⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁢⁤⁤⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁤⁤⁤⁢⁢⁤⁤⁢⁤⁤⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁤⁤⁤⁢⁢⁤⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁢⁤⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁤⁢⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁤⁤⁤⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁤⁢⁤⁢⁢⁤⁢⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁤⁤⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁤⁢⁤⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁤⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁤⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁤⁢⁤⁤⁢⁤⁢⁤⁢⁢⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁤⁢⁤⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢

+27

embassy-strike-driver/Cargo.toml

··· 1 1 + [package] 2 2 + name = "embassy-strike-driver" 3 3 + authors.workspace = true 4 4 + edition.workspace = true 5 5 + repository.workspace = true 6 6 + version.workspace = true 7 7 + license.workspace = true 8 8 + rust-version.workspace = true 9 9 + 10 10 + [features] 11 11 + default = [] 12 12 + alloc = [] 13 13 + heapless = ["dep:heapless"] 14 14 + rp2040 = ["dep:embassy-rp", "embassy-rp/rp2040"] 15 15 + rp235xa = ["dep:embassy-rp", "embassy-rp/rp235xa"] 16 16 + rp235xb = ["dep:embassy-rp", "embassy-rp/rp235xb"] 17 17 + 18 18 + [dependencies] 19 19 + embassy-time.workspace = true 20 20 + embassy-sync.workspace = true 21 21 + embassy-rp = { workspace = true, optional = true } 22 22 + heapless = { version = "0.9.2", optional = true } 23 23 + 24 24 + [dev-dependencies] 25 25 + embassy-time = { workspace = true, features = ["mock-driver", "generic-queue-8"] } 26 26 + critical-section = { version = "1.1", features = ["std"] } 27 27 + pollster = { version = "0.4", features = ["macro"] }

+29

embassy-strike-driver/src/analysis.rs

··· 1 1 + use crate::{BLOCK_SIZE, traits::BufferMut}; 2 2 + 3 3 + pub fn analyse_buffer_by_stepped_windows<B: BufferMut<usize>>( 4 4 + threshold: u16, 5 5 + buf: &[u16], 6 6 + average: u16, 7 7 + peaks: &mut B, 8 8 + ) -> u16 { 9 9 + const CHUNK_SIZE: usize = BLOCK_SIZE / 32; 10 10 + const CHUNK_STEP: usize = CHUNK_SIZE / 2; 11 11 + 12 12 + let mut total = 0u32; 13 13 + let mut len = 0u32; 14 14 + 15 15 + for (i, window) in buf.windows(CHUNK_SIZE).enumerate().step_by(CHUNK_STEP) { 16 16 + let window_total = window.iter().copied().sum::<u16>(); 17 17 + let window_avg = window_total / CHUNK_SIZE as u16; 18 18 + let diff = average.saturating_sub(window_avg); 19 19 + 20 20 + if diff > threshold { 21 21 + peaks.push(i); 22 22 + } else { 23 23 + total += window_total as u32; 24 24 + len += CHUNK_SIZE as u32; 25 25 + } 26 26 + } 27 27 + 28 28 + (total / len) as u16 29 29 + }

+119

embassy-strike-driver/src/drivers.rs

··· 1 1 + #[cfg(any(feature = "rp2040", feature = "rp235xa", feature = "rp235xb"))] 2 2 + pub mod rp { 3 3 + use embassy_rp::{ 4 4 + Peri, 5 5 + adc::{self, Adc, AdcPin, Async, InterruptHandler}, 6 6 + dma, 7 7 + interrupt::typelevel::{ADC_IRQ_FIFO, Binding}, 8 8 + peripherals::ADC, pwm::{self, ChannelBPin, Pwm, Slice}, 9 9 + }; 10 10 + use embassy_sync::{blocking_mutex::raw::RawMutex, mutex::Mutex}; 11 11 + 12 12 + use crate::traits::{AdcSource, PwmSource}; 13 13 + 14 14 + struct AdcInner<'device, T: dma::Channel> { 15 15 + adc: Adc<'device, Async>, 16 16 + pin: adc::Channel<'device>, 17 17 + dma: Peri<'device, T>, 18 18 + } 19 19 + 20 20 + pub struct RpAdcDriver<'device, M: RawMutex, T: dma::Channel> { 21 21 + inner: Mutex<M, AdcInner<'device, T>>, 22 22 + } 23 23 + 24 24 + impl<T: dma::Channel> AdcInner<'_, T> { 25 25 + /// Samples at 100Khz, or 10us per sample. If a sampling fails due to conversion error, 26 26 + /// it tries again until the sampling succeeds. 27 27 + async fn read_many(&mut self, buf: &mut [u16]) { 28 28 + let mut retries: u32 = 5; 29 29 + 30 30 + while self 31 31 + .adc 32 32 + .read_many(&mut self.pin, buf, 480, self.dma.reborrow()) 33 33 + .await 34 34 + .is_err() 35 35 + { 36 36 + retries -= 1; 37 37 + 38 38 + if retries == 0 { 39 39 + panic!("ADC not configured or connected correctly."); 40 40 + } 41 41 + } 42 42 + } 43 43 + } 44 44 + 45 45 + impl<'device, M: RawMutex, T: dma::Channel> RpAdcDriver<'device, M, T> { 46 46 + pub fn new( 47 47 + inner: Peri<'device, ADC>, 48 48 + pin: Peri<'device, impl AdcPin + 'device>, 49 49 + dma: Peri<'device, T>, 50 50 + irqs: impl Binding<ADC_IRQ_FIFO, InterruptHandler>, 51 51 + ) -> Self { 52 52 + Self { 53 53 + inner: Mutex::new(AdcInner { 54 54 + adc: Adc::new(inner, irqs, adc::Config::default()), 55 55 + pin: adc::Channel::new_pin(pin, embassy_rp::gpio::Pull::None), 56 56 + dma, 57 57 + }), 58 58 + } 59 59 + } 60 60 + } 61 61 + 62 62 + impl<'device, M: RawMutex, T: dma::Channel> AdcSource for RpAdcDriver<'device, M, T> { 63 63 + async fn sample_average(&self, samples: &mut [u16]) -> u16 { 64 64 + self.sample(samples).await; 65 65 + 66 66 + let len = samples.len() as u32; 67 67 + 68 68 + (samples.iter().copied().map(u32::from).sum::<u32>() / len) as u16 69 69 + } 70 70 + 71 71 + async fn sample(&self, samples: &mut [u16]) { 72 72 + self.inner.lock().await.read_many(samples).await; 73 73 + } 74 74 + } 75 75 + 76 76 + pub struct PwmDriver<'device> { 77 77 + config: pwm::Config, 78 78 + pwm: Pwm<'device>, 79 79 + } 80 80 + 81 81 + impl<'device> PwmDriver<'device> { 82 82 + pub fn new<T>( 83 83 + slice: Peri<'device, T>, 84 84 + b: Peri<'device, impl ChannelBPin<T>>, 85 85 + ) -> Self 86 86 + where 87 87 + T: Slice, 88 88 + { 89 89 + let mut config = pwm::Config::default(); 90 90 + config.top = u8::MAX as u16; 91 91 + let pwm = Pwm::new_output_b(slice, b, config.clone()); 92 92 + 93 93 + Self { pwm, config } 94 94 + } 95 95 + } 96 96 + 97 97 + impl PwmSource for PwmDriver<'_> { 98 98 + fn set_duty(&mut self, duty: u16) { 99 99 + self.config.compare_b = duty.clamp(0, self.config.top); 100 100 + self.pwm.set_config(&self.config); 101 101 + } 102 102 + 103 103 + fn enable(&mut self) { 104 104 + self.config.enable = true; 105 105 + self.pwm.set_config(&self.config); 106 106 + } 107 107 + 108 108 + fn disable(&mut self) { 109 109 + self.config.enable = false; 110 110 + self.pwm.set_config(&self.config); 111 111 + } 112 112 + } 113 113 + 114 114 + impl Drop for PwmDriver<'_> { 115 115 + fn drop(&mut self) { 116 116 + self.disable(); 117 117 + } 118 118 + } 119 119 + }

+540

embassy-strike-driver/src/lib.rs

··· 1 1 + //! A generalised Embassy driver for the Strike Sensor v1 2 2 + //! ⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁤⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁤⁤⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁤⁢⁢⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁤⁢⁤⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁤⁤⁤⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁤⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁢⁤⁤⁢⁤⁤⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁤⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁤⁤⁤⁢⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁤⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁤⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁢⁤⁤⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁤⁤⁤⁢⁢⁤⁤⁢⁤⁤⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁤⁤⁤⁢⁢⁤⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁢⁤⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁤⁢⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁤⁤⁤⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁤⁢⁤⁢⁢⁤⁢⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁤⁤⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁤⁢⁤⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁤⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁤⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁤⁢⁤⁤⁢⁤⁢⁤⁢⁢⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁤⁢⁤⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢ 3 3 + #![no_std] 4 4 + 5 5 + #[cfg(feature = "alloc")] 6 6 + extern crate alloc; 7 7 + 8 8 + mod analysis; 9 9 + pub mod drivers; 10 10 + pub mod traits; 11 11 + 12 12 + use core::cell::Cell; 13 13 + 14 14 + use embassy_sync::{ 15 15 + blocking_mutex::raw::NoopRawMutex, 16 16 + zerocopy_channel::{Channel, Receiver, Sender}, 17 17 + }; 18 18 + use embassy_time::{Duration, Instant, Ticker, Timer}; 19 19 + 20 20 + use crate::traits::{AdcSource, BufferMut, PwmSource, TimeSource}; 21 21 + 22 22 + pub const BLOCK_SIZE: usize = 512; 23 23 + pub type ZeroCopyChannel<'device> = Channel<'device, NoopRawMutex, (i64, [u16; BLOCK_SIZE])>; 24 24 + 25 25 + #[derive(Debug)] 26 26 + struct DetectorState { 27 27 + max_duty: Cell<u8>, 28 28 + duty: Cell<u8>, 29 29 + avg: Cell<u16>, 30 30 + strikes: Cell<u16>, 31 31 + warn_level: Cell<u16>, 32 32 + } 33 33 + 34 34 + impl Default for DetectorState { 35 35 + fn default() -> Self { 36 36 + Self { 37 37 + max_duty: Cell::new(0), 38 38 + duty: Cell::new(0), 39 39 + avg: Cell::new(0), 40 40 + strikes: Cell::new(0), 41 41 + warn_level: Cell::new(255), 42 42 + } 43 43 + } 44 44 + } 45 45 + 46 46 + #[derive(Debug)] 47 47 + pub struct DetectorConfig { 48 48 + blip_threshold: Cell<u16>, 49 49 + blip_size: Cell<usize>, 50 50 + } 51 51 + 52 52 + impl Default for DetectorConfig { 53 53 + fn default() -> Self { 54 54 + Self { 55 55 + blip_threshold: Cell::new(14), 56 56 + blip_size: Cell::new(2), 57 57 + } 58 58 + } 59 59 + } 60 60 + 61 61 + #[derive(Debug, Clone, Copy, PartialEq, Eq)] 62 62 + pub enum DetectorUpdate<'a> { 63 63 + Tick { 64 64 + timestamp: i64, 65 65 + level: u16, 66 66 + }, 67 67 + Detection { 68 68 + timestamp: i64, 69 69 + samples: &'a [u16], 70 70 + peaks: &'a [usize], 71 71 + }, 72 72 + } 73 73 + 74 74 + pub struct DetectorDriver<T: TimeSource, P: PwmSource, A: AdcSource> { 75 75 + state: DetectorState, 76 76 + config: DetectorConfig, 77 77 + timer_source: T, 78 78 + pwm: P, 79 79 + adc: A, 80 80 + } 81 81 + 82 82 + impl<T, P, A> DetectorDriver<T, P, A> 83 83 + where 84 84 + T: TimeSource, 85 85 + P: PwmSource, 86 86 + A: AdcSource, 87 87 + { 88 88 + pub fn new(config: DetectorConfig, timer_source: T, pwm: P, adc: A) -> Self { 89 89 + Self { 90 90 + state: Default::default(), 91 91 + config, 92 92 + timer_source, 93 93 + pwm, 94 94 + adc, 95 95 + } 96 96 + } 97 97 + 98 98 + pub fn reset_timer_source(&mut self) { 99 99 + self.timer_source = T::get_source(); 100 100 + } 101 101 + 102 102 + pub fn get_timestamp(&self) -> i64 { 103 103 + self.timer_source.timestamp() 104 104 + } 105 105 + 106 106 + pub fn set_blip_threshold(&self, threshold: u16) { 107 107 + self.config.blip_threshold.set(threshold); 108 108 + } 109 109 + 110 110 + pub fn set_blip_size(&self, size: usize) { 111 111 + self.config.blip_size.set(size); 112 112 + } 113 113 + 114 114 + pub async fn tune(&mut self, samples: &mut [u16]) { 115 115 + // info!("Tuning Detector for correct voltage settings"); 116 116 + let mut duty = 0; 117 117 + self.pwm.set_duty(duty); 118 118 + Timer::after_secs(2).await; 119 119 + let mut act_value = self.adc.sample_average(samples).await; 120 120 + 121 121 + // info!("initial ACT: {}", act_value); 122 122 + 123 123 + while act_value < 1364 { 124 124 + duty += 2; 125 125 + if duty >= 256 { 126 126 + duty = 0; 127 127 + self.pwm.set_duty(duty); 128 128 + Timer::after_secs(2).await; 129 129 + act_value = self.adc.sample_average(samples).await; 130 130 + // info!("Restarting tuning"); 131 131 + continue; 132 132 + } 133 133 + self.pwm.set_duty(duty); 134 134 + Timer::after_millis(250).await; 135 135 + act_value = self.adc.sample_average(samples).await; 136 136 + // info!("ACT: {}, Duty: {}", act_value, duty); 137 137 + } 138 138 + self.state.max_duty.set(duty as u8); 139 139 + duty = (duty / 3) * 2; 140 140 + self.pwm.set_duty(duty); 141 141 + self.state.duty.set(duty as u8); 142 142 + // info!("Set detection duty to: {}", duty); 143 143 + // Allow voltage level to stabilize after tuning 144 144 + Timer::after_secs(2).await; 145 145 + let avg = self.adc.sample_average(samples).await; 146 146 + self.state.avg.set(avg); 147 147 + } 148 148 + 149 149 + /// Samples and returns an `i64` timestamp. 150 150 + pub async fn sample_with_zerocopy<'a>( 151 151 + &self, 152 152 + dma: &mut Sender<'a, NoopRawMutex, (i64, [u16; BLOCK_SIZE])>, 153 153 + ) { 154 154 + loop { 155 155 + let (time, samples) = dma.send().await; 156 156 + *time = self.timer_source.timestamp(); 157 157 + self.adc.sample(samples).await; 158 158 + dma.send_done(); 159 159 + } 160 160 + } 161 161 + 162 162 + pub fn detect_from_sample<B, F>( 163 163 + &self, 164 164 + timestamp: i64, 165 165 + samples: &[u16], 166 166 + peaks: &mut B, 167 167 + update: F, 168 168 + ) where 169 169 + B: BufferMut<usize>, 170 170 + F: Fn(DetectorUpdate<'_>), 171 171 + { 172 172 + peaks.clear(); 173 173 + 174 174 + let new_avg = analysis::analyse_buffer_by_stepped_windows( 175 175 + self.config.blip_threshold.get(), 176 176 + samples, 177 177 + self.state.avg.get(), 178 178 + peaks, 179 179 + ); 180 180 + 181 181 + let blips = peaks.len(); 182 182 + 183 183 + if blips >= self.config.blip_size.get() { 184 184 + self.state 185 185 + .strikes 186 186 + .update(|strike| strike.saturating_add(32)); 187 187 + 188 188 + update(DetectorUpdate::Detection { 189 189 + timestamp, 190 190 + samples, 191 191 + peaks: peaks.as_slice(), 192 192 + }); 193 193 + } 194 194 + 195 195 + self.state.avg.set(new_avg); 196 196 + } 197 197 + 198 198 + pub async fn detect_with_zerocopy<'a, 'd, B, F>( 199 199 + &self, 200 200 + dma: &mut Receiver<'a, NoopRawMutex, (i64, [u16; BLOCK_SIZE])>, 201 201 + peaks: &'d mut B, 202 202 + update: F, 203 203 + ) where 204 204 + B: BufferMut<usize>, 205 205 + F: Fn(DetectorUpdate<'_>), 206 206 + { 207 207 + loop { 208 208 + let (timestamp, samples) = dma.receive().await; 209 209 + 210 210 + self.detect_from_sample(*timestamp, samples, peaks, &update); 211 211 + 212 212 + dma.receive_done(); 213 213 + } 214 214 + } 215 215 + 216 216 + pub async fn tick<F>(&self, update: F) 217 217 + where 218 218 + F: Fn(DetectorUpdate), 219 219 + { 220 220 + let mut inactive: Option<Instant> = None; 221 221 + let mut interval = Ticker::every(Duration::from_secs(1)); 222 222 + 223 223 + loop { 224 224 + interval.next().await; 225 225 + let strikes = self.state.strikes.get(); 226 226 + let mut warn_level = self.state.warn_level.get(); 227 227 + 228 228 + if strikes > 32 { 229 229 + warn_level = warn_level.saturating_add(strikes); 230 230 + } 231 231 + 232 232 + let decay = warn_level >> 8; 233 233 + 234 234 + self.state.strikes.set(0); 235 235 + self.state.warn_level.set(warn_level - decay); 236 236 + 237 237 + match inactive { 238 238 + Some(_) if decay > 0 => { 239 239 + inactive = None; 240 240 + } 241 241 + Some(val) if val.elapsed() >= Duration::from_secs(3600) => break, 242 242 + None if decay == 0 => { 243 243 + inactive = Some(Instant::now()); 244 244 + } 245 245 + None => { 246 246 + update(DetectorUpdate::Tick { 247 247 + timestamp: self.timer_source.timestamp(), 248 248 + level: warn_level - 255, 249 249 + }); 250 250 + } 251 251 + _ => continue, 252 252 + } 253 253 + } 254 254 + } 255 255 + } 256 256 + 257 257 + #[cfg(test)] 258 258 + mod tests { 259 259 + use core::future::poll_fn; 260 260 + use embassy_time::MockDriver; 261 261 + 262 262 + #[cfg(not(feature = "alloc"))] 263 263 + extern crate alloc; 264 264 + use super::*; 265 265 + 266 266 + #[derive(Debug, Default)] 267 267 + struct MockMachine { 268 268 + pwm: Cell<u16>, 269 269 + } 270 270 + 271 271 + impl MockMachine { 272 272 + fn adc_sample_avg(&self) -> u16 { 273 273 + self.pwm.get().saturating_mul(14) 274 274 + } 275 275 + } 276 276 + 277 277 + struct MockPwm<'a>(&'a MockMachine); 278 278 + 279 279 + impl PwmSource for MockPwm<'_> { 280 280 + fn set_duty(&mut self, duty: u16) { 281 281 + self.0.pwm.set(duty); 282 282 + } 283 283 + 284 284 + // These do nothing 285 285 + fn enable(&mut self) {} 286 286 + fn disable(&mut self) {} 287 287 + } 288 288 + 289 289 + struct MockAdc<'a>(&'a MockMachine); 290 290 + 291 291 + impl AdcSource for MockAdc<'_> { 292 292 + async fn sample(&self, samples: &mut [u16]) { 293 293 + samples.fill(self.0.adc_sample_avg()); 294 294 + } 295 295 + 296 296 + async fn sample_average(&self, _samples: &mut [u16]) -> u16 { 297 297 + self.0.adc_sample_avg() 298 298 + } 299 299 + } 300 300 + 301 301 + struct MockTimeSource; 302 302 + 303 303 + impl TimeSource for MockTimeSource { 304 304 + fn get_source() -> Self { 305 305 + Self 306 306 + } 307 307 + fn timestamp(&self) -> i64 { 308 308 + 0 309 309 + } 310 310 + } 311 311 + 312 312 + #[cfg(not(feature = "alloc"))] 313 313 + impl BufferMut<usize> for alloc::vec::Vec<usize> { 314 314 + fn push(&mut self, value: usize) { 315 315 + self.push(value); 316 316 + } 317 317 + 318 318 + fn clear(&mut self) { 319 319 + self.clear(); 320 320 + } 321 321 + 322 322 + fn len(&self) -> usize { 323 323 + self.len() 324 324 + } 325 325 + 326 326 + fn is_empty(&self) -> bool { 327 327 + self.is_empty() 328 328 + } 329 329 + 330 330 + fn as_slice(&self) -> &[usize] { 331 331 + self 332 332 + } 333 333 + } 334 334 + 335 335 + async fn tune_detector_manually<'a>( 336 336 + detector: &mut DetectorDriver<MockTimeSource, MockPwm<'a>, MockAdc<'a>>, 337 337 + buf: &mut [u16], 338 338 + driver: &MockDriver, 339 339 + ) { 340 340 + let mut tuning = core::pin::pin!(detector.tune(buf)); 341 341 + 342 342 + poll_fn(|cx| match tuning.as_mut().poll(cx) { 343 343 + core::task::Poll::Ready(_) => core::task::Poll::Ready(()), 344 344 + core::task::Poll::Pending => { 345 345 + cx.waker().wake_by_ref(); 346 346 + driver.advance(Duration::from_secs(2)); 347 347 + 348 348 + core::task::Poll::Pending 349 349 + } 350 350 + }) 351 351 + .await; 352 352 + } 353 353 + 354 354 + fn generate_signal(samples: &mut [u16]) { 355 355 + // Example voltage drop signal 356 356 + samples[5] -= 60; 357 357 + samples[6] -= 55; 358 358 + samples[7] -= 50; 359 359 + samples[8] -= 45; 360 360 + samples[9] -= 40; 361 361 + samples[10] -= 35; 362 362 + samples[11] -= 30; 363 363 + samples[12] -= 28; 364 364 + samples[13] -= 26; 365 365 + samples[14] -= 24; 366 366 + samples[15] -= 22; 367 367 + samples[16] -= 20; 368 368 + samples[17] -= 18; 369 369 + samples[18] -= 16; 370 370 + samples[19] -= 14; 371 371 + samples[20] -= 12; 372 372 + samples[21] -= 11; 373 373 + samples[22] -= 10; 374 374 + samples[23] -= 9; 375 375 + samples[24] -= 8; 376 376 + samples[25] -= 7; 377 377 + samples[26] -= 6; 378 378 + samples[27] -= 5; 379 379 + samples[28] -= 4; 380 380 + samples[29] -= 3; 381 381 + samples[30] -= 2; 382 382 + samples[31] -= 1; 383 383 + } 384 384 + 385 385 + #[pollster::test] 386 386 + async fn tuning_cycle_completes() { 387 387 + let driver = embassy_time::MockDriver::get(); 388 388 + driver.reset(); 389 389 + let device = MockMachine::default(); 390 390 + let pwm = MockPwm(&device); 391 391 + let adc = MockAdc(&device); 392 392 + 393 393 + let mut detector = DetectorDriver::new(Default::default(), MockTimeSource, pwm, adc); 394 394 + let mut buf = [0; 16]; 395 395 + 396 396 + tune_detector_manually(&mut detector, &mut buf, driver).await; 397 397 + 398 398 + assert_eq!(detector.state.max_duty.get(), 98); 399 399 + assert_eq!(detector.state.duty.get(), 64); 400 400 + assert_eq!(detector.adc.sample_average(&mut buf).await, 896); 401 401 + } 402 402 + 403 403 + #[pollster::test] 404 404 + async fn tick_updates_only_on_raised_levels() { 405 405 + let driver = embassy_time::MockDriver::get(); 406 406 + driver.reset(); 407 407 + let device = MockMachine::default(); 408 408 + let pwm = MockPwm(&device); 409 409 + let adc = MockAdc(&device); 410 410 + 411 411 + let detector = DetectorDriver::new(Default::default(), MockTimeSource, pwm, adc); 412 412 + 413 413 + detector.state.max_duty.set(98); 414 414 + detector.state.duty.set(64); 415 415 + detector.state.avg.set(896); 416 416 + 417 417 + { 418 418 + let mut tick = core::pin::pin!(detector.tick(|a| { 419 419 + assert_eq!( 420 420 + a, 421 421 + DetectorUpdate::Tick { 422 422 + timestamp: 0, 423 423 + level: 300 424 424 + } 425 425 + ); 426 426 + })); 427 427 + 428 428 + poll_fn(|cx| match tick.as_mut().poll(cx) { 429 429 + core::task::Poll::Ready(_) => core::task::Poll::Ready(()), 430 430 + core::task::Poll::Pending => { 431 431 + if detector.state.warn_level.get() > 255 { 432 432 + return core::task::Poll::Ready(()); 433 433 + } 434 434 + detector.state.strikes.set(300); 435 435 + driver.advance(Duration::from_secs(1)); 436 436 + cx.waker().wake_by_ref(); 437 437 + core::task::Poll::Pending 438 438 + } 439 439 + }) 440 440 + .await; 441 441 + } 442 442 + 443 443 + assert_eq!(detector.state.warn_level.get(), 553); 444 444 + } 445 445 + 446 446 + #[pollster::test] 447 447 + async fn detection_updates_only_on_large_enough_signals() { 448 448 + let driver = embassy_time::MockDriver::get(); 449 449 + driver.reset(); 450 450 + let device = MockMachine::default(); 451 451 + let pwm = MockPwm(&device); 452 452 + let adc = MockAdc(&device); 453 453 + 454 454 + let detector = DetectorDriver::new(Default::default(), MockTimeSource, pwm, adc); 455 455 + detector.pwm.0.pwm.set(64); 456 456 + detector.state.max_duty.set(98); 457 457 + detector.state.duty.set(64); 458 458 + detector.state.avg.set(896); 459 459 + 460 460 + let mut samples = alloc::vec![0; BLOCK_SIZE]; 461 461 + 462 462 + detector.adc.sample(&mut samples).await; 463 463 + 464 464 + samples[5] -= 3; 465 465 + samples[6] -= 1; 466 466 + 467 467 + let mut peaks = alloc::vec::Vec::with_capacity(512); 468 468 + 469 469 + let update = |_update: DetectorUpdate<'_>| { 470 470 + panic!("This update function shouldn't be called"); 471 471 + }; 472 472 + 473 473 + detector.detect_from_sample(0, &samples, &mut peaks, update); 474 474 + 475 475 + assert_eq!(peaks.len(), 0); 476 476 + 477 477 + generate_signal(&mut samples); 478 478 + 479 479 + let expected_peaks = alloc::vec![0, 8]; 480 480 + let called = Cell::new(false); 481 481 + 482 482 + let update = |update: DetectorUpdate<'_>| { 483 483 + called.set(true); 484 484 + assert_eq!( 485 485 + update, 486 486 + DetectorUpdate::Detection { 487 487 + timestamp: 0, 488 488 + samples: &samples, 489 489 + peaks: expected_peaks.as_slice() 490 490 + } 491 491 + ) 492 492 + }; 493 493 + 494 494 + detector.detect_from_sample(0, &samples, &mut peaks, update); 495 495 + 496 496 + assert_eq!(peaks.len(), 2); 497 497 + assert!(called.get()); 498 498 + } 499 499 + 500 500 + #[pollster::test] 501 501 + async fn detection_sensitivity_can_be_configured() { 502 502 + let driver = embassy_time::MockDriver::get(); 503 503 + driver.reset(); 504 504 + let device = MockMachine::default(); 505 505 + let pwm = MockPwm(&device); 506 506 + let adc = MockAdc(&device); 507 507 + 508 508 + let detector = DetectorDriver::new(Default::default(), MockTimeSource, pwm, adc); 509 509 + detector.pwm.0.pwm.set(64); 510 510 + detector.state.max_duty.set(98); 511 511 + detector.state.duty.set(64); 512 512 + detector.state.avg.set(896); 513 513 + 514 514 + let mut samples = alloc::vec![0; BLOCK_SIZE]; 515 515 + let mut peaks: alloc::vec::Vec<usize> = alloc::vec::Vec::with_capacity(BLOCK_SIZE); 516 516 + 517 517 + // Require bigger size blips. 518 518 + detector.config.blip_size.set(3); 519 519 + 520 520 + detector.adc.sample(&mut samples).await; 521 521 + generate_signal(&mut samples); 522 522 + 523 523 + detector.detect_from_sample(0, &samples, &mut peaks, |_update| { 524 524 + panic!("Update shouldn't be called"); 525 525 + }); 526 526 + 527 527 + assert_eq!(peaks.len(), 2); 528 528 + 529 529 + // Require bigger threshold for blip detection 530 530 + detector.config.blip_size.set(2); 531 531 + detector.config.blip_threshold.set(24); 532 532 + 533 533 + detector.detect_from_sample(0, &samples, &mut peaks, |_update| { 534 534 + panic!("Update shouldn't be called"); 535 535 + }); 536 536 + 537 537 + // Update didn't call because detected blip wasn't big enough 538 538 + assert_eq!(peaks.len(), 1); 539 539 + } 540 540 + }

+70

embassy-strike-driver/src/traits.rs

··· 1 1 + pub trait TimeSource { 2 2 + fn timestamp(&self) -> i64; 3 3 + fn get_source() -> Self; 4 4 + } 5 5 + 6 6 + pub trait AdcSource { 7 7 + fn sample_average(&self, samples: &mut [u16]) -> impl Future<Output = u16>; 8 8 + fn sample(&self, samples: &mut [u16]) -> impl Future<Output = ()>; 9 9 + } 10 10 + 11 11 + pub trait PwmSource { 12 12 + fn set_duty(&mut self, duty: u16); 13 13 + fn enable(&mut self); 14 14 + fn disable(&mut self); 15 15 + } 16 16 + 17 17 + /// A Mutable Buffer trait ⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁤⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁤⁤⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁤⁢⁢⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁤⁢⁤⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁤⁢⁤⁢⁤⁤⁤⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁤⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁢⁤⁤⁢⁤⁤⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁤⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁤⁤⁤⁢⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁤⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁤⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁢⁤⁤⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁤⁢⁢⁤⁢⁢⁢⁤⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁤⁤⁤⁢⁢⁤⁤⁢⁤⁤⁢⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁤⁤⁤⁢⁢⁤⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁢⁤⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁤⁢⁤⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁤⁢⁤⁤⁤⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁤⁢⁤⁢⁢⁤⁢⁤⁤⁢⁢⁢⁢⁢⁤⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁤⁤⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁤⁢⁤⁤⁤⁢⁤⁤⁤⁤⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁢⁢⁤⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁢⁢⁤⁢⁤⁤⁢⁤⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁢⁤⁤⁤⁢⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁤⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁤⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁤⁢⁤⁢⁢⁤⁤⁢⁤⁢⁤⁢⁤⁢⁢⁢⁢⁤⁢⁤⁤⁢⁤⁢⁤⁢⁢⁢⁤⁤⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁤⁢⁢⁤⁤⁢⁢⁢⁤⁢⁢⁢⁤⁢⁤⁢⁢⁤⁢⁢⁢⁢⁤⁢⁢⁤⁢⁢⁤⁢⁢⁢⁤⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁤⁢⁤⁢⁢⁤⁢⁢⁢⁢⁢⁤⁢⁤⁢⁤⁢ 18 18 + pub trait BufferMut<T> { 19 19 + fn push(&mut self, value: T); 20 20 + fn clear(&mut self); 21 21 + fn as_slice(&self) -> &[T]; 22 22 + fn len(&self) -> usize; 23 23 + fn is_empty(&self) -> bool; 24 24 + } 25 25 + 26 26 + #[cfg(feature = "alloc")] 27 27 + impl<T> BufferMut<T> for alloc::vec::Vec<T> { 28 28 + fn push(&mut self, value: T) { 29 29 + self.push(value); 30 30 + } 31 31 + 32 32 + fn clear(&mut self) { 33 33 + self.clear(); 34 34 + } 35 35 + 36 36 + fn len(&self) -> usize { 37 37 + self.len() 38 38 + } 39 39 + 40 40 + fn is_empty(&self) -> bool { 41 41 + self.is_empty() 42 42 + } 43 43 + 44 44 + fn as_slice(&self) -> &[T] { 45 45 + self 46 46 + } 47 47 + } 48 48 + 49 49 + #[cfg(feature = "heapless")] 50 50 + impl<T> BufferMut<T> for heapless::Vec<T, crate::BLOCK_SIZE> { 51 51 + fn push(&mut self, value: T) { 52 52 + self.push(value).ok(); 53 53 + } 54 54 + 55 55 + fn clear(&mut self) { 56 56 + self.clear(); 57 57 + } 58 58 + 59 59 + fn as_slice(&self) -> &[T] { 60 60 + self 61 61 + } 62 62 + 63 63 + fn len(&self) -> usize { 64 64 + self.as_slice().len() 65 65 + } 66 66 + 67 67 + fn is_empty(&self) -> bool { 68 68 + self.is_empty() 69 69 + } 70 70 + }