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-rw-r--r--src/lib.rs10
-rw-r--r--src/tuners/fc0013.rs25
-rw-r--r--src/tuners/mod.rs5
-rw-r--r--src/tuners/r820t.rs33
-rw-r--r--src/usb.rs34
-rw-r--r--src/utils/rustl_test.rs4
6 files changed, 77 insertions, 34 deletions
diff --git a/src/lib.rs b/src/lib.rs
index 30af6af..57cac56 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -22,6 +22,7 @@ pub struct RtlSdr {
// ctx: rusb::Context,
// device: UsbDevice,
iface_id: u8,
+ tuner: Option<Box<dyn Tuner>>,
}
impl RtlSdr {
@@ -30,6 +31,7 @@ impl RtlSdr {
RtlSdr {
// ctx: rusb::Context::new().unwrap(),
iface_id: INTERFACE_ID,
+ tuner: None,
}
}
@@ -69,16 +71,16 @@ impl RtlSdr {
}
};
- let tuner: Box<dyn Tuner> = match tuner_id {
- r820t::TUNER_ID => Box::new(r820t::R820T::new(&handle)),
- fc0013::TUNER_ID => Box::new(fc0013::FC0013::new(&handle)),
+ self.tuner = match tuner_id {
+ r820t::TUNER_ID => Some(Box::new(r820t::R820T::new(&handle))),
+ fc0013::TUNER_ID => Some(Box::new(fc0013::FC0013::new(&handle))),
_ => {
error!("Could not find any valid tuner, aborting.");
return;
}
};
- info!("Found tuner {}", tuner.display());
+ // info!("Found tuner {}", self.tuner.unwrap().display());
}
}
}
diff --git a/src/tuners/fc0013.rs b/src/tuners/fc0013.rs
index fed1289..14e7970 100644
--- a/src/tuners/fc0013.rs
+++ b/src/tuners/fc0013.rs
@@ -1,9 +1,9 @@
use super::{Tuner, TunerInfo};
use usb::RtlSdrDeviceHandle;
-pub struct FC0013<'a> {
+pub struct FC0013 {
pub device: TunerInfo,
- pub handle: &'a RtlSdrDeviceHandle,
+ // pub handle: &'a RtlSdrDeviceHandle,
}
pub const TUNER_ID: &str = "fc0013";
@@ -14,22 +14,23 @@ pub const TUNER_INFO: TunerInfo = TunerInfo {
i2c_addr: 0xc6,
check_addr: 0x00,
check_val: 0xa3,
+ // gains: vec![
+ // -99, -73, -65, -63, -60, -58, -54, 58, 61, 63, 65, 67, 68, 70, 71, 179, 181, 182, 184, 186,
+ // 188, 191, 197,
+ // ],
};
-impl<'a> FC0013<'a> {
- pub fn new(handle: &'a RtlSdrDeviceHandle) -> FC0013<'a> {
- let tuner = FC0013 {
- device: TUNER_INFO,
- handle: handle,
- };
- tuner.init();
+impl FC0013 {
+ pub fn new(handle: &RtlSdrDeviceHandle) -> FC0013 {
+ let tuner = FC0013 { device: TUNER_INFO };
+ tuner.init(handle);
tuner
}
}
-impl<'a> Tuner for FC0013<'a> {
- fn init(&self) {
- println!("Init {}", self.device.name);
+impl Tuner for FC0013 {
+ fn init(&self, _handle: &RtlSdrDeviceHandle) {
+ unimplemented!()
}
fn exit(&self) {
diff --git a/src/tuners/mod.rs b/src/tuners/mod.rs
index 0739fad..ae64384 100644
--- a/src/tuners/mod.rs
+++ b/src/tuners/mod.rs
@@ -1,3 +1,5 @@
+use super::RtlSdrDeviceHandle;
+
pub mod fc0013;
pub mod r820t;
@@ -7,10 +9,11 @@ pub struct TunerInfo {
pub i2c_addr: u8,
pub check_addr: u8,
pub check_val: u8,
+ // pub gains: Vec<i8>,
}
pub trait Tuner {
- fn init(&self);
+ fn init(&self, handle: &RtlSdrDeviceHandle);
fn exit(&self);
fn set_freq(&self, freq: u32);
fn set_bw(&self, bw: u32);
diff --git a/src/tuners/r820t.rs b/src/tuners/r820t.rs
index 9844b41..14d54e8 100644
--- a/src/tuners/r820t.rs
+++ b/src/tuners/r820t.rs
@@ -3,9 +3,9 @@ use usb::RtlSdrDeviceHandle;
const R82XX_IF_FREQ: u32 = 3570000;
-pub struct R820T<'a> {
+pub struct R820T {
pub device: TunerInfo,
- pub handle: &'a RtlSdrDeviceHandle,
+ // pub handle: &'a RtlSdrDeviceHandle,
}
pub const TUNER_ID: &str = "r820t";
@@ -16,39 +16,40 @@ pub const TUNER_INFO: TunerInfo = TunerInfo {
i2c_addr: 0x34,
check_addr: 0x00,
check_val: 0x69,
+ // gains: vec![
+ // 0, 9, 14, 27, 37, 77, 87, 125, 144, 157, 166, 197, 207, 229, 254, 280, 297, 328, 338, 364,
+ // 372, 386, 402, 421, 434, 439, 445, 480, 496,
+ // ],
};
-impl<'a> R820T<'a> {
- pub fn new(handle: &'a RtlSdrDeviceHandle) -> R820T<'a> {
- let tuner = R820T {
- device: TUNER_INFO,
- handle: handle,
- };
- tuner.init();
+impl R820T {
+ pub fn new(handle: &RtlSdrDeviceHandle) -> R820T {
+ let tuner = R820T { device: TUNER_INFO };
+ tuner.init(handle);
tuner
}
}
-impl<'a> Drop for R820T<'a> {
+impl Drop for R820T {
fn drop(&mut self) {
self.exit();
}
}
-impl<'a> Tuner for R820T<'a> {
- fn init(&self) {
+impl Tuner for R820T {
+ fn init(&self, handle: &RtlSdrDeviceHandle) {
// disable Zero-IF mode
- self.handle.demod_write_reg(1, 0xb1, 0x1a, 1);
+ handle.demod_write_reg(1, 0xb1, 0x1a, 1);
// only enable In-phase ADC input
- self.handle.demod_write_reg(0, 0x08, 0x4d, 1);
+ 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);
+ handle.set_if_freq(R82XX_IF_FREQ);
// enable spectrum inversion
- self.handle.demod_write_reg(1, 0x15, 0x01, 1);
+ handle.demod_write_reg(1, 0x15, 0x01, 1);
}
fn exit(&self) {}
diff --git a/src/usb.rs b/src/usb.rs
index 0a0003f..79e7cf8 100644
--- a/src/usb.rs
+++ b/src/usb.rs
@@ -1,5 +1,8 @@
+extern crate log;
+extern crate pretty_env_logger;
extern crate rusb;
+use log::{error, info};
use rusb::{DeviceHandle, Direction, GlobalContext, Recipient, RequestType};
use std::time::Duration;
@@ -43,6 +46,7 @@ pub struct RtlSdrDeviceHandle {
/// various rtl-sdr specific methods
impl RtlSdrDeviceHandle {
pub fn new(handle: DeviceHandle<GlobalContext>, iface_id: u8) -> RtlSdrDeviceHandle {
+ pretty_env_logger::init();
let mut handle = RtlSdrDeviceHandle {
handle,
iface_id,
@@ -106,7 +110,7 @@ impl RtlSdrDeviceHandle {
.handle
.write_control(type_vendor_in, 0, addr, index, &data, CTRL_TIMEOUT);
let reg: u16 = ((data[1] as u16) << 8) | (data[0] as u16);
- return reg;
+ reg
}
pub fn demod_write_reg(&self, page: u8, addr: u16, val: u16, len: u8) -> u16 {
@@ -246,6 +250,34 @@ impl RtlSdrDeviceHandle {
self.demod_write_reg(1, 0x1b, tmp, 1);
}
+ pub fn set_sample_rate(&self, samp_rate: u32) {
+ let tmp: u16;
+ let real_rsamp_ratio: u32;
+
+ // check if the rate is supported by the resampler
+ if (samp_rate <= 225000)
+ || (samp_rate > 3200000)
+ || ((samp_rate > 300000) && (samp_rate <= 900000))
+ {
+ error!("Invalid sample rate: {} Hz", samp_rate);
+ }
+
+ let mut rsamp_ratio: u32 = (DEF_RTL_XTAL_FREQ * (2 ^ 22)) / samp_rate;
+ rsamp_ratio &= 0x0ffffffc;
+
+ real_rsamp_ratio = rsamp_ratio | ((rsamp_ratio & 0x08000000) << 1);
+ let real_rate: f64 = ((DEF_RTL_XTAL_FREQ * (2 ^ 22)) / real_rsamp_ratio).into();
+ info!("Exact sample rate is: {} Hz", real_rate);
+
+ self.set_i2c_repeater(true);
+ self.set_i2c_repeater(false);
+ }
+
+ pub fn reset_buffer(&self) {
+ self.write_reg(BLOCK_USBB, ADDR_USB_EPA_CTL, 0x1002, 2);
+ self.write_reg(BLOCK_USBB, ADDR_USB_EPA_CTL, 0x0000, 2);
+ }
+
pub fn deinit_baseband(&self) {
// power off demod and ADCs
self.write_reg(BLOCK_SYSB, ADDR_SYS_DEMOD_CTL, 0x20, 1);
diff --git a/src/utils/rustl_test.rs b/src/utils/rustl_test.rs
index 669cc2a..27dc5c2 100644
--- a/src/utils/rustl_test.rs
+++ b/src/utils/rustl_test.rs
@@ -1,5 +1,9 @@
+const DEFAULT_SAMPLE_RATE: u32 = 2048000;
+const DEFAULT_BUF_LENGTH: usize = 16 * 16384;
+
pub fn main() {
println!("Starting rustl_test");
+ let buffer: [u8; DEFAULT_BUF_LENGTH];
let mut r = rustl_sdr::RtlSdr::new();
r.open();
}
generated by cgit v1.3.1 (git 2.54.0) at 2026-08-15 19:11:26 +0000