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pub mod r820t;
use crate::device::Device;
use crate::error::Result;
use crate::TunerGain;
pub const KNOWN_TUNERS: [TunerInfo; 1] = [r820t::TUNER_INFO];
#[derive(Debug, Clone, Copy)]
pub struct TunerInfo {
pub id: &'static str,
pub name: &'static str,
pub i2c_addr: u8,
pub check_addr: u8,
pub check_val: u8,
}
pub trait Tuner: std::fmt::Debug {
fn init(&mut self, handle: &Device) -> Result<()>;
fn get_info(&self) -> Result<TunerInfo>;
fn get_gains(&self) -> Result<Vec<i32>>;
fn read_gain(&self, handle: &Device) -> Result<i32>;
fn set_gain(&mut self, handle: &Device, gain: TunerGain) -> Result<()>;
fn set_freq(&mut self, handle: &Device, freq: u32) -> Result<()>;
fn set_bandwidth(&mut self, handle: &Device, bw: u32, rate: u32) -> Result<()>;
fn get_if_freq(&self) -> Result<u32>;
fn get_xtal_freq(&self) -> Result<u32>;
fn set_xtal_freq(&mut self, freq: u32) -> Result<()>;
fn exit(&mut self, handle: &Device) -> Result<()>;
}
#[derive(Debug)]
pub struct NoTuner {}
impl Tuner for NoTuner {
fn init(&mut self, _handle: &Device) -> Result<()> {
Ok(())
}
fn get_info(&self) -> Result<TunerInfo> {
Ok(TunerInfo {
id: "",
name: "",
i2c_addr: 0,
check_addr: 0,
check_val: 0,
})
}
fn get_gains(&self) -> Result<Vec<i32>> {
Ok(vec![])
}
fn read_gain(&self, _handle: &Device) -> Result<i32> {
Ok(0)
}
fn set_gain(&mut self, _handle: &Device, _gain: TunerGain) -> Result<()> {
Ok(())
}
fn set_freq(&mut self, _handle: &Device, _freq: u32) -> Result<()> {
Ok(())
}
fn set_bandwidth(&mut self, _handle: &Device, _bw: u32, _rate: u32) -> Result<()> {
Ok(())
}
fn get_xtal_freq(&self) -> Result<u32> {
Ok(0)
}
fn set_xtal_freq(&mut self, _freq: u32) -> Result<()> {
Ok(())
}
fn get_if_freq(&self) -> Result<u32> {
Ok(0)
}
fn exit(&mut self, _handle: &Device) -> Result<()> {
Ok(())
}
}