extern crate libc;
use libc::{c_char, c_int, c_float};
#[repr(C)]
#[derive(Clone, Copy)]
struct ohmd_context;
#[repr(C)]
#[derive(Clone, Copy)]
struct ohmd_device;
enum ohmd_float_value{
    OHMD_ROTATION_QUAT
}

#[link(name = "openhmd")]
extern {
    fn ohmd_ctx_create() -> ohmd_context;
    fn ohmd_ctx_destroy(ctx: ohmd_context) -> ohmd_context;
    fn ohmd_ctx_get_error(ctx: ohmd_context) -> c_char;
    fn ohmd_ctx_probe(ctx: ohmd_context) -> c_int;
    fn ohmd_ctx_update(ctx: ohmd_context);
    fn ohmd_device_getf(device: ohmd_device, otype: ohmd_float_value, out: c_float) -> c_int;
    fn ohmd_list_open_device(ctx: ohmd_context, index: c_int) -> ohmd_device;
}

pub fn test(){
    unsafe{
        let contex = ohmd_ctx_create();
        let probe = ohmd_ctx_probe(contex);
        println!("ohmd_ctx_get_error {} ; ohmd_ctx_probe {}", ohmd_ctx_get_error(contex), probe);
        let device = ohmd_list_open_device(contex, probe);
    }
}