Function ul_meta_data_to_tx_info

chirpstack/src/backend/roaming.rs:298–349

(ul_meta_data: &ULMetaData)

}

pub fn ul_meta_data_to_tx_info(ul_meta_data: &ULMetaData) -> Result<gw::UplinkTxInfo> {
    let region_cn = region::CommonName::from_str(&ul_meta_data.rf_region)?;
    let region_conf = region::get(region_cn, false, false);
    let dr = match ul_meta_data.data_rate {
        Some(v) => v,
        None => {
            return Err(anyhow!("DataRate is not set"));
        }
    };
    let freq = match ul_meta_data.ul_freq {
        Some(v) => (v * 1_000_000.0) as u32,
        None => {
            return Err(anyhow!("ULFreq is not set"));
        }
    };
    let params = region_conf.get_data_rate(true, dr)?;

    Ok(gw::UplinkTxInfo {
        frequency: freq,
        modulation: Some(gw::Modulation {
            parameters: Some(match params {
                lrwn::region::DataRateModulation::Lora(v) => {
                    gw::modulation::Parameters::Lora(gw::LoraModulationInfo {
                        bandwidth: v.bandwidth,
                        spreading_factor: v.spreading_factor as u32,
                        code_rate: gw::CodeRate::Cr45.into(),
                        code_rate_legacy: "".into(),
                        polarization_inversion: true,
                        preamble: 0,
                        no_crc: false,
                    })
                }
                lrwn::region::DataRateModulation::Fsk(v) => {
                    gw::modulation::Parameters::Fsk(gw::FskModulationInfo {
                        datarate: v.bitrate,
                        ..Default::default()
                    })
                }
                lrwn::region::DataRateModulation::LrFhss(v) => {
                    gw::modulation::Parameters::LrFhss(gw::LrFhssModulationInfo {
                        operating_channel_width: v.occupied_channel_width,
                        code_rate: gw::CodeRate::from_str(&v.coding_rate)
                            .map_err(|e| anyhow!("{}", e))?
                            .into(),
                        // GridSteps: this value can't be derived from a DR?
                        ..Default::default()
                    })
                }
            }),
        }),
    })
}

pub fn dl_meta_data_to_uplink_rx_info(
    dl_meta: &backend::DLMetaData,