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rust fmt

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This commit is contained in:
Tobias Ollive 2022-01-27 20:26:57 +01:00
parent 17866b6670
commit 1098b7ba6b
4 changed files with 64 additions and 56 deletions
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1
.gitignore vendored
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@ -9,3 +9,4 @@ target/
**/*.rs.bk
.idea/
*.iml

40
src/bluetooth.rs
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@ -1,16 +1,15 @@
use bluer::gatt::remote::Characteristic;
use bluer::{Adapter, AdapterEvent, Address, Device, Result, Uuid};
use futures::{pin_mut, StreamExt};
use std::collections::HashSet;
use std::time::Duration;
use bluer::{Adapter, AdapterEvent, Address, Device, Result, Uuid};
use bluer::gatt::remote::Characteristic;
use futures::{pin_mut, StreamExt};
use tokio::sync::mpsc;
// const CONNECT_RETRIES: u8 = 3;
// const SERVICE_UUID: bluer::Uuid = bluer::Uuid::from_u128(0xadaf0900c33242a893bd25e905756cb8);
// const PIXEL_DATA_UUID: bluer::Uuid = bluer::Uuid::from_u128(0xadaf0903c33242a893bd25e905756cb8);
pub(crate) async fn create_session() -> Result<Adapter>
{
pub(crate) async fn create_session() -> Result<Adapter> {
let session = bluer::Session::new().await?;
let adapter_names = session.adapter_names().await?;
let adapter_name = adapter_names.first().expect("no Bluetooth adapter found");
@ -21,10 +20,9 @@ pub(crate) async fn create_session() -> Result<Adapter>
}
async fn has_service(device: &Device, uuid: &Uuid) -> Result<bool> {
let uuids = device.uuids().await?.unwrap_or_default();
if uuids.contains(uuid) {
return Ok(true)
return Ok(true);
}
Ok(false)
}
@ -50,7 +48,7 @@ async fn bluetooth_scan(tx: mpsc::Sender<Device>, adapter: Adapter, uuid: Uuid)
println!("found service in device {}", addr);
}
}
Err(_) => { continue }
Err(_) => continue,
}
}
_ => {}
@ -61,7 +59,6 @@ async fn bluetooth_scan(tx: mpsc::Sender<Device>, adapter: Adapter, uuid: Uuid)
Ok(())
}
pub(crate) async fn scan_devices(adapter: Adapter, uuid: Uuid) -> Vec<Device> {
println!("start scanning devices");
let (tx, mut rx) = mpsc::channel(4);
@ -70,7 +67,7 @@ pub(crate) async fn scan_devices(adapter: Adapter, uuid: Uuid) -> Vec<Device> {
let scan = tokio::spawn(timeout);
println!("good");
let mut devices: Vec<Device> = Vec::new();
while let Some(device)= rx.recv().await {
while let Some(device) = rx.recv().await {
println!("new device received {}", device.address());
devices.push(device);
println!("len {}", devices.len());
@ -86,7 +83,7 @@ pub(crate) async fn scan_devices(adapter: Adapter, uuid: Uuid) -> Vec<Device> {
pub async fn connect(device: &Device, retries: u8) -> bluer::Result<()> {
if device.is_connected().await? {
return Ok(())
return Ok(());
}
for i in 0..retries {
match device.connect().await {
@ -95,7 +92,6 @@ pub async fn connect(device: &Device, retries: u8) -> bluer::Result<()> {
println!("connection error ({}), retry…", i);
}
}
}
Err(bluer::Error {
@ -104,18 +100,20 @@ pub async fn connect(device: &Device, retries: u8) -> bluer::Result<()> {
})
}
pub async fn get_char(device: &Device, service_uuid: Uuid, char_uuid: Uuid) -> Result<Option<Characteristic>> {
pub async fn get_char(
device: &Device,
service_uuid: Uuid,
char_uuid: Uuid,
) -> Result<Option<Characteristic>> {
for service in device.services().await? {
if service_uuid == service.uuid().await? {
for char in service.characteristics().await? {
println!("uuid : {}", &char.uuid().await?);
if char_uuid == char.uuid().await? {
return Ok(Some(char));
}
if service_uuid == service.uuid().await? {
for char in service.characteristics().await? {
println!("uuid : {}", &char.uuid().await?);
if char_uuid == char.uuid().await? {
return Ok(Some(char));
}
}
}
}
Ok(None)
}

24
src/main.rs
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@ -1,19 +1,17 @@
mod patterns;
mod bluetooth;
mod patterns;
use patterns::Strip;
use bluer::gatt::remote::Characteristic;
use patterns::Strip;
use tokio::sync::watch;
const SERVICE_UUID: bluer::Uuid = bluer::Uuid::from_u128(0xadaf0900c33242a893bd25e905756cb8);
const PIXEL_DATA_UUID: bluer::Uuid = bluer::Uuid::from_u128(0xadaf0903c33242a893bd25e905756cb8);
const STRIP_SIZE: usize = 25;
const BASE_STRIP_DATA : [u8; 3] = [0x00, 0x00, 0x01];
const BASE_STRIP_DATA: [u8; 3] = [0x00, 0x00, 0x01];
#[tokio::main(flavor = "current_thread")]
async fn main() -> bluer::Result<()> {
let adapter = bluetooth::create_session().await?;
let devices = bluetooth::scan_devices(adapter, SERVICE_UUID).await;
@ -30,19 +28,16 @@ async fn main() -> bluer::Result<()> {
let strip = *rx.borrow();
write_strip(&strip, &char).await;
}
}).await;
})
.await;
}
println!("{:?}", device);
}
Ok(())
}
// async fn send_seq(char: &Characteristic) -> bluer::Result<()> {
// println!(" Characteristic flags : {:?}, ", char.flags().await?);
//
@ -63,15 +58,16 @@ async fn main() -> bluer::Result<()> {
// Ok(())
// }
pub async fn write_strip<const N: usize>(data: &Strip<N>, char: &Characteristic) -> bluer::Result<()> {
pub async fn write_strip<const N: usize>(
data: &Strip<N>,
char: &Characteristic,
) -> bluer::Result<()> {
let frame = [BASE_STRIP_DATA.to_vec(), data.to_array()].concat();
print!("{:?}",frame);
print!("{:?}", frame);
char.write(&*frame).await?;
Ok(())
}
// async fn find_neopixel_service(device: &Device) -> bluer::Result<Option<Characteristic>> {
// let addr = device.address();
// let uuids = device.uuids().await?.unwrap_or_default();

49
src/patterns.rs
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@ -21,11 +21,14 @@ impl fmt::Display for PixelColor {
impl Default for PixelColor {
fn default() -> Self {
PixelColor { red: 0, green: 0, blue: 0 }
PixelColor {
red: 0,
green: 0,
blue: 0,
}
}
}
#[derive(Copy, Clone)]
pub struct Strip<const N: usize> {
pub strip: [PixelColor; N],
@ -33,10 +36,14 @@ pub struct Strip<const N: usize> {
impl<const N: usize> Strip<N> {
pub fn to_array(&self) -> Vec<u8> {
let mut data : Vec<u8> = vec![];
let mut data: Vec<u8> = vec![];
for i in 0..N {
data.append(&mut vec![self.strip[i].red, self.strip[i].green, self.strip[i].blue]);
data.append(&mut vec![
self.strip[i].red,
self.strip[i].green,
self.strip[i].blue,
]);
}
data
}
@ -44,33 +51,33 @@ impl<const N: usize> Strip<N> {
impl<const N: usize> Default for Strip<N> {
fn default() -> Self {
Strip { strip: [PixelColor::new(); N] }
Strip {
strip: [PixelColor::new(); N],
}
}
}
pub struct RainbowPattern<const N: usize> {
pub(crate) current_iteration: usize,
pub(crate) max_iteration: Option<usize>
pub(crate) max_iteration: Option<usize>,
}
impl<const N: usize> Iterator for RainbowPattern<N> {
type Item = Strip<N>;
fn next(&mut self) -> Option<Self::Item> {
if let Some(nbr_iteration) = self.max_iteration {
if nbr_iteration == self.current_iteration {
return None
return None;
}
}
let mut strip = Strip::default();
let step = 255 / N;
for i in 0..N {
let pos = (i*step + self.current_iteration) as u8;
let pos = (i * step + self.current_iteration) as u8;
strip.strip[i] = wheel(pos)
}
self.current_iteration = self.current_iteration +1 ;
self.current_iteration = self.current_iteration + 1;
Some(strip)
}
}
@ -78,20 +85,26 @@ impl<const N: usize> Iterator for RainbowPattern<N> {
fn wheel(index: u8) -> PixelColor {
let pos = 255 - index;
match pos {
0..=85 => PixelColor{
0..=85 => PixelColor {
red: 255 - (pos * 3),
green :0,
blue : pos * 3},
green: 0,
blue: pos * 3,
},
86..=170 => {
let pos = pos - 85;
PixelColor{
PixelColor {
red: 0,
green :pos*3,
blue : 255 - (pos * 3)}
green: pos * 3,
blue: 255 - (pos * 3),
}
}
_ => {
let pos = pos - 170;
return PixelColor{red : pos*3, green : 255 - (pos*3), blue : 0};
return PixelColor {
red: pos * 3,
green: 255 - (pos * 3),
blue: 0,
};
}
}
}