gxci 0.2.0

A safe raw-and-HAL camera interface based on Daheng-Image's GxIAPI(Galaxy Camera SDK)
Documentation 
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use crate::raw::gx_interface::*;
pub use crate::raw::gx_interface::Result;
use std::sync::{LazyLock,Arc,Mutex};

pub static GXI: LazyLock<Arc<Mutex<Option<GXInstance>>>> = LazyLock::new(|| {
    Arc::new(Mutex::new(None))
});

pub fn gxi_check<T, F>(func: F) -> Result<T>
where
    F: FnOnce(&GXInstance) -> Result<T>,
{
    let gxi = GXI.lock().map_err(|e| Error::new(ErrorKind::MutexPoisonOptionError(e)))?;
    if let Some(gxi) = gxi.as_ref() {
        func(gxi)
    } else {
        Err(Error::new(ErrorKind::GxciError(GxciError::InitializationError(
            "GXI is None. Please check your gxci_init situation.".to_string(),
        ))))
    }
}

pub fn gxci_init(dll_path: &str) -> Result<()> {
    println!("Initializing GXI with DLL path: {}", dll_path);
    // gxi_check(|gxi| gxi.gx_init_lib())?;

    let mut gxi = GXI.lock().map_err(|e| Error::new(ErrorKind::MutexPoisonOptionError(e)))?;
    if gxi.is_some() {
        println!("Warning: GXI is already initialized. Reinitializing.");
    }

    *gxi = Some(GXInstance::new(dll_path)?);
    gxi.as_ref().unwrap().gx_init_lib()?;

    Ok(())
}

pub fn gxci_close() -> Result<()> {
    gxi_check(|gxi| gxi.gx_close_lib())?;

    let mut gxi = GXI.lock().map_err(|e| Error::new(ErrorKind::MutexPoisonOptionError(e)))?;
    *gxi = None;
    Ok(())
}