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Remove blocking code and spawn_blocking

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Rayhunter uses a mixture of spawn and spawn_blocking, then also does
some blocking operations inside of async code.

Move everything to async. This allows us to use the single-threaded
runtime.

Now the binary is 100kB smaller, and the memory usage also improved by
~100kB on tplink.
This commit is contained in:
Markus Unterwaditzer
2025-07-25 14:18:44 +02:00
committed by Will Greenberg
parent 9694aa826b
commit f8824ce7e7
10 changed files with 88 additions and 77 deletions
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18
daemon/src/display/wingtech.rs
View File

@@ -1,12 +1,13 @@
use crate::config;
use crate::display::DisplayState;
use crate::display::generic_framebuffer::{self, Dimensions, GenericFramebuffer};
/// Display support for the Wingtech CT2MHS01 hotspot.
///
/// Tested on (from `/etc/wt_version`):
/// WT_INNER_VERSION=SW_Q89323AA1_V057_M10_CRICKET_USR_MP
/// WT_PRODUCTION_VERSION=CT2MHS01_0.04.55
/// WT_HARDWARE_VERSION=89323_1_20
use crate::config;
use crate::display::DisplayState;
use crate::display::generic_framebuffer::{self, Dimensions, GenericFramebuffer};
use async_trait::async_trait;
use tokio::sync::mpsc::Receiver;
use tokio::sync::oneshot;
@@ -17,6 +18,7 @@ const FB_PATH: &str = "/dev/fb0";
#[derive(Copy, Clone, Default)]
struct Framebuffer;
#[async_trait]
impl GenericFramebuffer for Framebuffer {
fn dimensions(&self) -> Dimensions {
Dimensions {
@@ -25,16 +27,16 @@ impl GenericFramebuffer for Framebuffer {
}
}
fn write_buffer(&mut self, buffer: &[(u8, u8, u8)]) {
async fn write_buffer(&mut self, buffer: Vec<(u8, u8, u8)>) {
let mut raw_buffer = Vec::new();
for (r, g, b) in buffer {
let mut rgb565: u16 = (*r as u16 & 0b11111000) << 8;
rgb565 |= (*g as u16 & 0b11111100) << 3;
rgb565 |= (*b as u16) >> 3;
let mut rgb565: u16 = (r as u16 & 0b11111000) << 8;
rgb565 |= (g as u16 & 0b11111100) << 3;
rgb565 |= (b as u16) >> 3;
raw_buffer.extend(rgb565.to_le_bytes());
}
std::fs::write(FB_PATH, &raw_buffer).unwrap();
tokio::fs::write(FB_PATH, &raw_buffer).await.unwrap();
}
}