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https://codeberg.org/icewind/hlk_ld6002.git
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This commit is contained in:
parent
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6 changed files with 599 additions and 13 deletions
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|
||||
|
||||
[[package]]
|
||||
name = "tokio-macros"
|
||||
version = "2.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tokio-serial"
|
||||
version = "5.4.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "aa6e2e4cf0520a99c5f87d5abb24172b5bd220de57c3181baaaa5440540c64aa"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"futures",
|
||||
"log",
|
||||
"mio-serial",
|
||||
"tokio",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unescaper"
|
||||
version = "0.1.4"
|
||||
|
|
@ -332,6 +696,12 @@ version = "1.0.12"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.11.0+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
|
|
@ -353,3 +723,69 @@ name = "winapi-x86_64-pc-windows-gnu"
|
|||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
|
||||
dependencies = [
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm",
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
|
||||
|
|
|
|||
|
|
@ -7,9 +7,12 @@ description = "A library for interfacing with the HLK-LD6002 respiratory and hea
|
|||
[dependencies]
|
||||
bytemuck = { version = "1.14.3", features = ["derive"] }
|
||||
embedded-io = "0.6.1"
|
||||
embedded-io-async = "0.6.1"
|
||||
num_enum = { version = "0.7.2", default-features = false }
|
||||
|
||||
[dev-dependencies]
|
||||
embedded-io-adapters = { version = "0.6.1", features = ["std"] }
|
||||
embedded-io-adapters = { version = "0.6.1", features = ["std", "tokio-1"] }
|
||||
serialport = "4.3.0"
|
||||
termion = "3.0.0"
|
||||
tokio = { version = "1.36.0", features = ["full"] }
|
||||
tokio-serial = "5.4.4"
|
||||
35
examples/async.rs
Normal file
35
examples/async.rs
Normal file
|
|
@ -0,0 +1,35 @@
|
|||
use embedded_io_adapters::tokio_1::FromTokio;
|
||||
use hlk_ld6002::{AsyncMessageStream, Data};
|
||||
use serialport::SerialPort;
|
||||
use std::env::args;
|
||||
use std::time::{Duration, Instant};
|
||||
use tokio_serial::{ClearBuffer, SerialPortBuilderExt};
|
||||
|
||||
#[tokio::main]
|
||||
async fn main() {
|
||||
let port = args().nth(1).expect("no port provided");
|
||||
let port = tokio_serial::new(&port, 1_382_400)
|
||||
.timeout(Duration::from_millis(50))
|
||||
.open_native_async()
|
||||
.expect("Failed to open port");
|
||||
port.clear(ClearBuffer::All).unwrap();
|
||||
|
||||
let mut messages = AsyncMessageStream::new(FromTokio::new(port));
|
||||
|
||||
let mut data = Data::default();
|
||||
|
||||
let mut last = Instant::now();
|
||||
|
||||
print!("{}", termion::cursor::Save);
|
||||
|
||||
loop {
|
||||
let message = messages.next().await;
|
||||
if let Ok(message) = message {
|
||||
data.update(message);
|
||||
if last.elapsed() > Duration::from_millis(100) {
|
||||
last = Instant::now();
|
||||
print!("{:?}{}", data, termion::cursor::Restore);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
26
flake.lock
generated
26
flake.lock
generated
|
|
@ -36,7 +36,31 @@
|
|||
"root": {
|
||||
"inputs": {
|
||||
"flake-utils": "flake-utils",
|
||||
"nixpkgs": "nixpkgs"
|
||||
"nixpkgs": "nixpkgs",
|
||||
"rust-overlay": "rust-overlay"
|
||||
}
|
||||
},
|
||||
"rust-overlay": {
|
||||
"inputs": {
|
||||
"flake-utils": [
|
||||
"flake-utils"
|
||||
],
|
||||
"nixpkgs": [
|
||||
"nixpkgs"
|
||||
]
|
||||
},
|
||||
"locked": {
|
||||
"lastModified": 1708241671,
|
||||
"narHash": "sha256-zSulX9tP4R35Y8A842dGSzaHMVP91W2Ry0SXvQKD2BQ=",
|
||||
"owner": "oxalica",
|
||||
"repo": "rust-overlay",
|
||||
"rev": "d500e370b26f9b14303cb39bf1509df0a920c8b0",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "oxalica",
|
||||
"repo": "rust-overlay",
|
||||
"type": "github"
|
||||
}
|
||||
},
|
||||
"systems": {
|
||||
|
|
|
|||
12
flake.nix
12
flake.nix
|
|
@ -2,20 +2,28 @@
|
|||
inputs = {
|
||||
nixpkgs.url = "nixpkgs/nixos-23.11";
|
||||
flake-utils.url = "github:numtide/flake-utils";
|
||||
rust-overlay.url = "github:oxalica/rust-overlay";
|
||||
rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
|
||||
rust-overlay.inputs.flake-utils.follows = "flake-utils";
|
||||
};
|
||||
|
||||
outputs = {
|
||||
self,
|
||||
nixpkgs,
|
||||
flake-utils,
|
||||
rust-overlay,
|
||||
}:
|
||||
flake-utils.lib.eachDefaultSystem (
|
||||
system: let
|
||||
overlays = [
|
||||
(import rust-overlay)
|
||||
];
|
||||
pkgs = (import nixpkgs) {
|
||||
inherit system;
|
||||
inherit system overlays;
|
||||
};
|
||||
toolchain = pkgs.rust-bin.stable.latest.default;
|
||||
dependencies = with pkgs; [pkg-config udev];
|
||||
tools = with pkgs; [rustc cargo bacon cargo-edit cargo-outdated clippy cargo-audit];
|
||||
tools = with pkgs; [toolchain bacon cargo-edit cargo-outdated cargo-audit];
|
||||
in rec {
|
||||
devShell = pkgs.mkShell {
|
||||
nativeBuildInputs = dependencies ++ tools;
|
||||
|
|
|
|||
96
src/lib.rs
96
src/lib.rs
|
|
@ -2,6 +2,7 @@
|
|||
|
||||
use bytemuck::{cast, cast_slice};
|
||||
use embedded_io::{Error, Read, ReadExactError};
|
||||
use embedded_io_async::Read as AsyncRead;
|
||||
use num_enum::TryFromPrimitive;
|
||||
|
||||
#[derive(Debug)]
|
||||
|
|
@ -69,11 +70,8 @@ struct FrameHeader {
|
|||
}
|
||||
|
||||
impl FrameHeader {
|
||||
pub fn read<R: Read>(mut reader: R) -> Result<Self, LdError<R::Error>> {
|
||||
let mut header_bytes = [0; 7];
|
||||
reader.read_exact(&mut header_bytes)?;
|
||||
|
||||
let ty = u16::from_be_bytes([header_bytes[4], header_bytes[5]]);
|
||||
pub fn parse<E>(data: [u8; 7]) -> Result<Self, LdError<E>> {
|
||||
let ty = u16::from_be_bytes([data[4], data[5]]);
|
||||
let ty = MessageType::try_from(ty).map_err(|e| LdError::InvalidMessageType(e.number))?;
|
||||
|
||||
// let checksum = checksum(&header_bytes);
|
||||
|
|
@ -86,11 +84,25 @@ impl FrameHeader {
|
|||
// }
|
||||
|
||||
Ok(FrameHeader {
|
||||
_id: u16::from_be_bytes([header_bytes[0], header_bytes[1]]),
|
||||
length: u16::from_be_bytes([header_bytes[2], header_bytes[3]]),
|
||||
_id: u16::from_be_bytes([data[0], data[1]]),
|
||||
length: u16::from_be_bytes([data[2], data[3]]),
|
||||
ty,
|
||||
})
|
||||
}
|
||||
|
||||
pub fn read<R: Read>(mut reader: R) -> Result<Self, LdError<R::Error>> {
|
||||
let mut header_bytes = [0; 7];
|
||||
reader.read_exact(&mut header_bytes)?;
|
||||
|
||||
Self::parse(header_bytes)
|
||||
}
|
||||
|
||||
pub async fn read_async<R: AsyncRead>(mut reader: R) -> Result<Self, LdError<R::Error>> {
|
||||
let mut header_bytes = [0; 7];
|
||||
reader.read_exact(&mut header_bytes).await?;
|
||||
|
||||
Self::parse(header_bytes)
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, Debug)]
|
||||
|
|
@ -125,6 +137,31 @@ impl Frame {
|
|||
|
||||
Ok(Frame { header, data })
|
||||
}
|
||||
|
||||
pub async fn read_async<R: AsyncRead>(mut reader: R) -> Result<Self, LdError<R::Error>> {
|
||||
let mut magic = [0];
|
||||
reader.read_exact(&mut magic).await?;
|
||||
if magic[0] != 1 {
|
||||
return Err(LdError::InvalidFrameStart(magic[0]));
|
||||
}
|
||||
|
||||
let header = FrameHeader::read_async(&mut reader).await?;
|
||||
let data = FrameData::read_async(&mut reader, &header).await?;
|
||||
let mut data_checksum = [0];
|
||||
reader.read_exact(&mut data_checksum).await?;
|
||||
let data_checksum = data_checksum[0];
|
||||
|
||||
let calculated_checksum = checksum(data.as_ref());
|
||||
if data_checksum != calculated_checksum {
|
||||
return Err(LdError::InvalidChecksum {
|
||||
ty: "body",
|
||||
got: calculated_checksum,
|
||||
expected: data_checksum,
|
||||
});
|
||||
};
|
||||
|
||||
Ok(Frame { header, data })
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone)]
|
||||
|
|
@ -139,14 +176,20 @@ impl<const N: usize> FrameData<N> {
|
|||
self.len
|
||||
}
|
||||
|
||||
pub fn read<R: Read>(mut reader: R, header: &FrameHeader) -> Result<Self, LdError<R::Error>> {
|
||||
fn validate<E>(header: &FrameHeader) -> Result<(), LdError<E>> {
|
||||
if header.length as usize > N || header.length != header.ty.expected_length() {
|
||||
return Err(LdError::InvalidDataLength {
|
||||
got: header.length,
|
||||
expected: header.ty.expected_length(),
|
||||
ty: header.ty,
|
||||
});
|
||||
} else {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
pub fn read<R: Read>(mut reader: R, header: &FrameHeader) -> Result<Self, LdError<R::Error>> {
|
||||
Self::validate(header)?;
|
||||
|
||||
let mut data = [0u8; N];
|
||||
reader.read_exact(&mut data[0..header.length as usize])?;
|
||||
|
|
@ -157,6 +200,24 @@ impl<const N: usize> FrameData<N> {
|
|||
len: header.length,
|
||||
})
|
||||
}
|
||||
|
||||
pub async fn read_async<R: AsyncRead>(
|
||||
mut reader: R,
|
||||
header: &FrameHeader,
|
||||
) -> Result<Self, LdError<R::Error>> {
|
||||
Self::validate(header)?;
|
||||
|
||||
let mut data = [0u8; N];
|
||||
reader
|
||||
.read_exact(&mut data[0..header.length as usize])
|
||||
.await?;
|
||||
|
||||
Ok(FrameData {
|
||||
_align: 0,
|
||||
data,
|
||||
len: header.length,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
impl<const N: usize> AsRef<[u8]> for FrameData<N> {
|
||||
|
|
@ -231,6 +292,25 @@ impl<R: Read> Iterator for MessageStream<R> {
|
|||
}
|
||||
}
|
||||
|
||||
pub struct AsyncMessageStream<R> {
|
||||
reader: R,
|
||||
}
|
||||
|
||||
impl<R: AsyncRead> AsyncMessageStream<R> {
|
||||
pub fn new(reader: R) -> Self {
|
||||
Self { reader }
|
||||
}
|
||||
|
||||
async fn read(&mut self) -> Result<Frame, LdError<R::Error>> {
|
||||
Frame::read_async(&mut self.reader).await
|
||||
}
|
||||
|
||||
pub async fn next(&mut self) -> Result<MessageBody, LdError<R::Error>> {
|
||||
let frame = self.read().await?;
|
||||
frame.body()
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Default, Debug, Copy, Clone)]
|
||||
pub struct Data {
|
||||
respiratory: f32,
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue