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use std::ffi::c_int;
use fl2k_ampliphase::{fl2k_dev_t, fl2k_get_device_count, fl2k_open, fl2k_close};
enum FL2KError {
InvalidParam,
NoDevice,
NotFound,
Busy,
Timeout,
NoMem,
Unknown(c_int)
}
fn handle_return_value(val : c_int) -> Result<(), FL2KError> {
match val {
#![allow(non_snake_case)]
fl2k_error_FL2K_SUCCESS => Ok(()),
fl2k_error_FL2K_TRUE => Ok(()),
fl2k_error_FL2K_ERROR_INVALID_PARAM => Err(FL2KError::InvalidParam),
fl2k_error_FL2K_ERROR_NO_DEVICE => Err(FL2KError::NoDevice),
fl2k_error_FL2K_ERROR_NOT_FOUND => Err(FL2KError::NotFound),
fl2k_error_FL2K_ERROR_BUSY => Err(FL2KError::Busy),
fl2k_error_FL2K_ERROR_TIMEOUT => Err(FL2KError::Timeout),
fl2k_error_FL2K_ERROR_NO_MEM => Err(FL2KError::NoMem),
v => Err(FL2KError::Unknown(v)),
}
}
pub fn get_device_count() -> u32 {
unsafe { fl2k_get_device_count() }
}
struct FL2K {
device : *mut fl2k_dev_t,
}
impl FL2K {
pub fn open(device_index : u32) -> Result<Self, FL2KError> {
unsafe {
let mut fl2k = FL2K { device: std::mem::zeroed() };
handle_return_value(fl2k_open(&mut fl2k.device, device_index))?;
Ok(fl2k)
}
}
pub fn close(self) -> Result<(), FL2KError> {
unsafe {
handle_return_value(fl2k_close(self.device))?;
}
Ok(())
}
}
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