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Extract setting of lora modulation params

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This commit suggests extracting the lora modulation parameters into a
separate function which can then be called from both the do_tx, and
the do_rx functions.
This commit is contained in:
Daniel Bevenius 2022-06-15 14:53:07 +02:00
parent 03c20604c3
commit 06a76cd7ce
1 changed files with 14 additions and 15 deletions
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29
embassy-lora/src/stm32wl/mod.rs
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@ -8,9 +8,9 @@ use embassy_stm32::dma::NoDma;
use embassy_stm32::gpio::{AnyPin, Output};
use embassy_stm32::interrupt::{InterruptExt, SUBGHZ_RADIO};
use embassy_stm32::subghz::{
CalibrateImage, CfgIrq, CodingRate, HeaderType, Irq, LoRaBandwidth, LoRaModParams, LoRaPacketParams, LoRaSyncWord,
Ocp, PaConfig, PaSel, PacketType, RampTime, RegMode, RfFreq, SpreadingFactor as SF, StandbyClk, Status, SubGhz,
TcxoMode, TcxoTrim, Timeout, TxParams,
CalibrateImage, CfgIrq, CodingRate, Error, HeaderType, Irq, LoRaBandwidth, LoRaModParams, LoRaPacketParams,
LoRaSyncWord, Ocp, PaConfig, PaSel, PacketType, RampTime, RegMode, RfFreq, SpreadingFactor as SF, StandbyClk,
Status, SubGhz, TcxoMode, TcxoTrim, Timeout, TxParams,
};
use embassy_stm32::Unborrow;
use lorawan_device::async_device::radio::{Bandwidth, PhyRxTx, RfConfig, RxQuality, SpreadingFactor, TxConfig};
@ -128,12 +128,7 @@ impl<'a> StateInner<'a> {
self.radio
.set_rf_frequency(&RfFreq::from_frequency(config.rf.frequency))?;
let mod_params = LoRaModParams::new()
.set_sf(convert_spreading_factor(config.rf.spreading_factor))
.set_bw(convert_bandwidth(config.rf.bandwidth))
.set_cr(CodingRate::Cr45)
.set_ldro_en(true);
self.radio.set_lora_mod_params(&mod_params)?;
self.set_lora_mod_params(config.rf)?;
let packet_params = LoRaPacketParams::new()
.set_preamble_len(8)
@ -177,6 +172,15 @@ impl<'a> StateInner<'a> {
}
}
fn set_lora_mod_params(&mut self, config: RfConfig) -> Result<(), Error> {
let mod_params = LoRaModParams::new()
.set_sf(convert_spreading_factor(config.spreading_factor))
.set_bw(convert_bandwidth(config.bandwidth))
.set_cr(CodingRate::Cr45)
.set_ldro_en(true);
self.radio.set_lora_mod_params(&mod_params)
}
/// Perform a radio receive operation with the radio config and receive buffer. The receive buffer must
/// be able to hold a single LoRaWAN packet.
async fn do_rx(&mut self, config: RfConfig, buf: &mut [u8]) -> Result<(usize, RxQuality), RadioError> {
@ -188,12 +192,7 @@ impl<'a> StateInner<'a> {
self.radio.set_rf_frequency(&RfFreq::from_frequency(config.frequency))?;
let mod_params = LoRaModParams::new()
.set_sf(convert_spreading_factor(config.spreading_factor))
.set_bw(convert_bandwidth(config.bandwidth))
.set_cr(CodingRate::Cr45)
.set_ldro_en(true);
self.radio.set_lora_mod_params(&mod_params)?;
self.set_lora_mod_params(config)?;
let packet_params = LoRaPacketParams::new()
.set_preamble_len(8)