1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
use super::{Device, DeviceInfo};
use usb::RtlSdrDeviceHandle;
const R82XX_IF_FREQ: u32 = 3570000;
pub struct R820T {
pub device: DeviceInfo,
pub handle: RtlSdrDeviceHandle,
}
pub const DEVICE_INFO: DeviceInfo = DeviceInfo {
id: "r820t",
name: "Rafael Micro R820T",
i2c_addr: 0x34,
check_addr: 0x00,
check_val: 0x69,
};
impl R820T {
pub fn new(handle: RtlSdrDeviceHandle) -> R820T {
R820T {
device: DEVICE_INFO,
handle: handle,
}
}
}
impl Device for R820T {
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!()
}
}
|
