97 lines
2.7 KiB
Rust
97 lines
2.7 KiB
Rust
use std::{sync::Arc, time::SystemTime};
|
|
|
|
use ddc_hi::{Ddc, Display};
|
|
use tokio::sync::RwLock;
|
|
|
|
use super::DisplayState;
|
|
|
|
pub struct DisplayHandler {
|
|
pub state: Arc<RwLock<DisplayState>>,
|
|
pub controller: Arc<RwLock<Display>>,
|
|
}
|
|
|
|
impl DisplayHandler {
|
|
pub async fn fetch_state(&self) {
|
|
let mut controller = self.controller.write().await;
|
|
|
|
let mut temp_state = DisplayState::default();
|
|
|
|
match controller.handle.get_vcp_feature(0x10) {
|
|
Ok(value) => {
|
|
temp_state.max_brightness = value.maximum();
|
|
temp_state.min_brightness = 0;
|
|
temp_state.brightness = value.value();
|
|
}
|
|
Err(_) => {}
|
|
};
|
|
match controller.handle.get_vcp_feature(0x12) {
|
|
Ok(value) => {
|
|
temp_state.max_contrast = value.maximum();
|
|
temp_state.min_contrast = 0;
|
|
temp_state.contrast = value.value();
|
|
}
|
|
Err(_) => {}
|
|
};
|
|
match controller.handle.get_vcp_feature(0xdc) {
|
|
Ok(value) => {
|
|
temp_state.max_mode = value.maximum();
|
|
temp_state.min_mode = 0;
|
|
temp_state.mode = value.value();
|
|
}
|
|
Err(_) => {}
|
|
};
|
|
|
|
temp_state.last_fetched_at = SystemTime::now();
|
|
|
|
let mut state = self.state.write().await;
|
|
*state = temp_state;
|
|
}
|
|
|
|
pub async fn set_brightness(&self, brightness: u16) -> anyhow::Result<()> {
|
|
let mut controller = self.controller.write().await;
|
|
let mut state = self.state.write().await;
|
|
|
|
controller
|
|
.handle
|
|
.set_vcp_feature(0x10, brightness)
|
|
.map_err(|err| anyhow::anyhow!("can not set brightness. {:?}", err))?;
|
|
|
|
|
|
state.brightness = brightness;
|
|
|
|
state.last_modified_at = SystemTime::now();
|
|
|
|
Ok(())
|
|
}
|
|
|
|
pub async fn set_contrast(&self, contrast: u16) -> anyhow::Result<()> {
|
|
let mut controller = self.controller.write().await;
|
|
let mut state = self.state.write().await;
|
|
|
|
controller
|
|
.handle
|
|
.set_vcp_feature(0x12, contrast)
|
|
.map_err(|err| anyhow::anyhow!("can not set contrast. {:?}", err))?;
|
|
|
|
state.contrast = contrast;
|
|
state.last_modified_at = SystemTime::now();
|
|
|
|
Ok(())
|
|
}
|
|
|
|
pub async fn set_mode(&self, mode: u16) -> anyhow::Result<()> {
|
|
let mut controller = self.controller.write().await;
|
|
let mut state = self.state.write().await;
|
|
|
|
controller
|
|
.handle
|
|
.set_vcp_feature(0xdc, mode)
|
|
.map_err(|err| anyhow::anyhow!("can not set mode. {:?}", err))?;
|
|
|
|
state.mode = mode;
|
|
state.last_modified_at = SystemTime::now();
|
|
|
|
Ok(())
|
|
}
|
|
}
|