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use super::{DeviceInfo, Device};
use usb::Usb;
const R82XX_IF_FREQ: u32 = 3570000;
pub struct R820T {
pub device: DeviceInfo
}
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() -> R820T {
R820T {
device: DEVICE_INFO
}
}
}
impl Device for R820T {
fn init(&self, usb: &Usb) {
// disable Zero-IF mode
usb.demod_write_reg(1, 0xb1, 0x1a, 1);
// only enable In-phase ADC input
usb.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
usb.set_if_freq(R82XX_IF_FREQ);
// enable spectrum inversion
usb.demod_write_reg(1, 0x15, 0x01, 1);
}
}
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