Address PR review comments for BLE feature

This commit is contained in:
Lilian 2024-07-31 23:40:20 +02:00 committed by Martin Michaelis
parent e8a1ed3907
commit 925fb45617
5 changed files with 74 additions and 588 deletions

View file

@ -51,7 +51,7 @@ jobs:
run: |
rustup toolchain install ${{ matrix.rust }} --profile minimal --no-self-update
- name: Install build dependencies
run: sudo apt-get install -y libudev-dev
run: sudo apt-get install -y libudev-dev libdbus-1-dev
- name: ${{ matrix.cmd.name }}
run: ${{ matrix.cmd.run }} ${{ matrix.features }} -- ${{ matrix.cmd.run2 }}
@ -66,7 +66,7 @@ jobs:
runs-on: ubuntu-latest
target: x86_64-unknown-linux-gnu
pre-build: |
sudo apt-get install -y libudev-dev
sudo apt-get install -y libudev-dev libdbus-1-dev
- name: Windows (x86_64)
runs-on: windows-latest
target: x86_64-pc-windows-msvc

544
Cargo.lock generated
View file

@ -72,148 +72,6 @@ version = "1.0.86"
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@ -225,12 +83,6 @@ dependencies = [
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@ -263,7 +115,6 @@ name = "badgemagic"
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@ -274,6 +125,7 @@ dependencies = [
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@ -301,19 +153,6 @@ version = "0.1.6"
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@ -371,12 +210,6 @@ dependencies = [
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@ -493,15 +326,6 @@ dependencies = [
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@ -542,12 +366,6 @@ dependencies = [
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@ -629,58 +447,6 @@ version = "1.0.1"
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@ -765,34 +531,6 @@ version = "0.3.30"
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@ -840,18 +578,6 @@ version = "0.29.0"
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@ -864,18 +590,6 @@ version = "0.5.0"
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@ -899,26 +613,6 @@ dependencies = [
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@ -975,24 +669,6 @@ dependencies = [
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@ -1008,18 +684,6 @@ dependencies = [
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View file

@ -29,13 +29,12 @@ cli = [
"dep:clap",
"dep:serde_json",
"dep:toml",
"dep:tokio",
]
embedded-graphics = ["dep:embedded-graphics"]
serde = ["dep:serde"]
usb-hid = ["dep:hidapi"]
ble = ["dep:btleplug", "dep:async-std"]
ble = ["dep:btleplug", "dep:uuid", "dep:tokio"]
[dependencies]
anyhow = "1.0.86"
@ -44,8 +43,8 @@ clap = { version = "4.5.8", features = ["derive"], optional = true }
embedded-graphics = { version = "0.8.1", optional = true }
hidapi = { version = "2.6.1", optional = true }
btleplug = { version = "0.11.5", optional = true }
async-std = { version = "1.12.0", optional = true }
tokio = { version = "1.38.0", features = ["rt", "macros"], optional = true }
uuid = { version = "1.10.0", optional = true }
tokio = { version = "1.38.0", features = ["rt"], optional = true }
serde = { version = "1.0.203", features = ["derive"], optional = true }
serde_json = { version = "1.0.118", optional = true }
time = "0.3.36"

View file

@ -3,16 +3,20 @@
use std::time::Duration;
use anyhow::{Context, Result};
use async_std::task;
use btleplug::{
api::{Central as _, Manager as _, Peripheral as _, ScanFilter, WriteType},
platform::{Manager, Peripheral},
};
use tokio::time;
use uuid::Uuid;
use crate::protocol::PayloadBuffer;
const BADGE_SERVICE_UUID_STR: &str = "0000fee0-0000-1000-8000-00805f9b34fb";
const BADGE_CHAR_UUID_STR: &str = "0000fee1-0000-1000-8000-00805f9b34fb";
/// `0000fee0-0000-1000-8000-00805f9b34fb`
const BADGE_SERVICE_UUID: Uuid = btleplug::api::bleuuid::uuid_from_u16(0xfee0);
/// `0000fee1-0000-1000-8000-00805f9b34fb`
const BADGE_CHAR_UUID: Uuid = btleplug::api::bleuuid::uuid_from_u16(0xfee1);
const BADGE_BLE_DEVICE_NAME: &str = "LSLED";
const BLE_CHAR_CHUNK_SIZE: usize = 16;
@ -36,55 +40,63 @@ impl Device {
/// This function panics if it is unable to access the Bluetooth adapter.
pub async fn enumerate_duration(scan_duration: Duration) -> Result<Vec<Self>> {
// Run device scan
let manager = Manager::new().await?;
let adapter = manager.adapters().await?.pop();
if adapter.is_none() {
return Err(anyhow::anyhow!("No Bluetooth adapter found"));
}
let manager = Manager::new().await.context("create BLE manager")?;
let adapters = manager
.adapters()
.await
.context("enumerate bluetooth adapters")?;
let adapter = adapters.first().context("no bluetooth adapter found")?;
let adapter = adapter.unwrap();
adapter.start_scan(ScanFilter::default()).await?;
task::sleep(scan_duration).await;
adapter
.start_scan(ScanFilter {
services: vec![BADGE_SERVICE_UUID],
})
.await
.context("bluetooth scan start")?;
time::sleep(scan_duration).await;
// Filter for badge devices
let mut led_badges = vec![];
for p in adapter.peripherals().await? {
if Self::is_badge_device(&p).await {
led_badges.push(p);
for p in adapter
.peripherals()
.await
.context("enumerating bluetooth devices")?
{
if let Some(badge) = Self::from_peripheral(p).await {
led_badges.push(badge);
}
}
led_badges
.into_iter()
.map(|p| Ok(Self { peripheral: p }))
.collect()
Ok(led_badges)
}
async fn is_badge_device(peripheral: &Peripheral) -> bool {
async fn from_peripheral(peripheral: Peripheral) -> Option<Self> {
// Check whether the BLE device has the service UUID we're looking for
// and also the correct name.
// The service uuid is also by devices that are not LED badges, so
// the name check is also necessary.
let props = peripheral.properties().await;
if props.is_err() {
return false;
return None;
}
if let Some(props) = props.unwrap() {
if props.local_name.is_none() {
return false;
let local_name = props.local_name.as_ref()?;
if local_name != BADGE_BLE_DEVICE_NAME {
return None;
}
if props.local_name.as_ref().unwrap() != BADGE_BLE_DEVICE_NAME {
return false;
}
props
if props
.services
.iter()
.any(|uuid| uuid.to_string() == BADGE_SERVICE_UUID_STR)
.any(|uuid| *uuid == BADGE_SERVICE_UUID)
{
Some(Self { peripheral })
} else {
None
}
} else {
false
None
}
}
@ -93,7 +105,10 @@ impl Device {
/// This function returns an error if no device could be found
/// or if multiple devices would match.
pub async fn single() -> Result<Self> {
let mut devices = Self::enumerate().await?.into_iter();
let mut devices = Self::enumerate()
.await
.context("enumerating badges")?
.into_iter();
let device = devices.next().context("no device found")?;
anyhow::ensure!(devices.next().is_none(), "multiple devices found");
Ok(device)
@ -108,17 +123,21 @@ impl Device {
/// This functions panics if the BLE device does not have the expected badge characteristic.
pub async fn write(&self, payload: PayloadBuffer) -> Result<()> {
// Connect and discover services
self.peripheral.connect().await?;
self.peripheral
.connect()
.await
.context("bluetooth device connect")?;
if let Err(error) = self.peripheral.discover_services().await {
self.peripheral.disconnect().await?;
self.peripheral
.disconnect()
.await
.context("bluetooth device disconnect")?;
return Err(error.into());
}
// Get characteristics
let characteristics = self.peripheral.characteristics();
let badge_char = characteristics
.iter()
.find(|c| c.uuid.to_string() == BADGE_CHAR_UUID_STR);
let badge_char = characteristics.iter().find(|c| c.uuid == BADGE_CHAR_UUID);
if badge_char.is_none() {
return Err(anyhow::anyhow!("Badge characteristic not found"));
@ -147,12 +166,18 @@ impl Device {
.await;
if let Err(error) = write_result {
self.peripheral.disconnect().await?;
self.peripheral
.disconnect()
.await
.context("bluetooth device disconnect")?;
return Err(anyhow::anyhow!("Error writing payload chunk: {:?}", error));
}
}
self.peripheral.disconnect().await?;
self.peripheral
.disconnect()
.await
.context("bluetooth device disconnect")?;
Ok(())
}
}

View file

@ -90,8 +90,7 @@ enum Content {
// PngFile { png_file: PathBuf },
}
#[tokio::main(flavor = "current_thread")]
async fn main() -> Result<()> {
fn main() -> Result<()> {
let args = Args::parse();
let config = fs::read_to_string(&args.config)
.with_context(|| format!("load config: {:?}", args.config))?;
@ -192,7 +191,10 @@ async fn main() -> Result<()> {
match args.transport {
TransportProtocol::Usb => UsbDevice::single()?.write(payload),
TransportProtocol::Ble => BleDevice::single().await?.write(payload).await,
TransportProtocol::Ble => tokio::runtime::Builder::new_current_thread()
.enable_all()
.build()?
.block_on(async { BleDevice::single().await?.write(payload).await }),
}?;
Ok(())