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use super::{Tuner, TunerInfo};
use usb::RtlSdrDeviceHandle;
const R82XX_IF_FREQ: u32 = 3570000;
pub struct R820T<'a> {
pub device: TunerInfo,
pub handle: &'a RtlSdrDeviceHandle,
}
pub const TUNER_ID: &str = "r820t";
pub const TUNER_INFO: TunerInfo = TunerInfo {
id: TUNER_ID,
name: "Rafael Micro R820T",
i2c_addr: 0x34,
check_addr: 0x00,
check_val: 0x69,
};
impl<'a> R820T<'a> {
pub fn new(handle: &'a RtlSdrDeviceHandle) -> R820T<'a> {
R820T {
device: TUNER_INFO,
handle: handle,
}
}
}
impl<'a> Drop for R820T<'a> {
fn drop(&mut self) {}
}
impl<'a> Tuner for R820T<'a> {
fn init(&self) {
// disable Zero-IF mode
self.handle.demod_write_reg(1, 0xb1, 0x1a, 1);
// only enable In-phase ADC input
self.handle.demod_write_reg(0, 0x08, 0x4d, 1);
// the R82XX use 3.57 MHz IF for the DVB-T 6 MHz mode, and
// 4.57 MHz for the 8 MHz mode
self.handle.set_if_freq(R82XX_IF_FREQ);
// enable spectrum inversion
self.handle.demod_write_reg(1, 0x15, 0x01, 1);
}
fn exit(&self) {
unimplemented!()
}
fn set_freq(&self, _freq: u32) {
unimplemented!()
}
fn set_bw(&self, _bw: u32) {
unimplemented!()
}
fn set_gain(&self, _gain: u32) {
unimplemented!()
}
fn set_if_gain(&self, _if_gain: u32) {
unimplemented!()
}
fn set_gain_mode(&self, _mode: bool) {
unimplemented!()
}
}
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