max/embassy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Extract setting of lora modulation params

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
embassy-lora/src/stm32wl/mod.rs
View File

@ -8,9 +8,9 @@ use embassy_stm32::dma::NoDma;
use embassy_stm32::gpio::{AnyPin, Output}; use embassy_stm32::gpio::{AnyPin, Output};
use embassy_stm32::interrupt::{InterruptExt, SUBGHZ_RADIO}; use embassy_stm32::interrupt::{InterruptExt, SUBGHZ_RADIO};
use embassy_stm32::subghz::{ use embassy_stm32::subghz::{
CalibrateImage, CfgIrq, CodingRate, HeaderType, Irq, LoRaBandwidth, LoRaModParams, LoRaPacketParams, LoRaSyncWord, CalibrateImage, CfgIrq, CodingRate, Error, HeaderType, Irq, LoRaBandwidth, LoRaModParams, LoRaPacketParams,
Ocp, PaConfig, PaSel, PacketType, RampTime, RegMode, RfFreq, SpreadingFactor as SF, StandbyClk, Status, SubGhz, LoRaSyncWord, Ocp, PaConfig, PaSel, PacketType, RampTime, RegMode, RfFreq, SpreadingFactor as SF, StandbyClk,
TcxoMode, TcxoTrim, Timeout, TxParams, Status, SubGhz, TcxoMode, TcxoTrim, Timeout, TxParams,
}; };
use embassy_stm32::Unborrow; use embassy_stm32::Unborrow;
use lorawan_device::async_device::radio::{Bandwidth, PhyRxTx, RfConfig, RxQuality, SpreadingFactor, TxConfig}; use lorawan_device::async_device::radio::{Bandwidth, PhyRxTx, RfConfig, RxQuality, SpreadingFactor, TxConfig};
@ -128,12 +128,7 @@ impl<'a> StateInner<'a> {
self.radio self.radio
.set_rf_frequency(&RfFreq::from_frequency(config.rf.frequency))?; .set_rf_frequency(&RfFreq::from_frequency(config.rf.frequency))?;
let mod_params = LoRaModParams::new() self.set_lora_mod_params(config.rf)?;
.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)?;
let packet_params = LoRaPacketParams::new() let packet_params = LoRaPacketParams::new()
.set_preamble_len(8) .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 /// Perform a radio receive operation with the radio config and receive buffer. The receive buffer must
/// be able to hold a single LoRaWAN packet. /// be able to hold a single LoRaWAN packet.
async fn do_rx(&mut self, config: RfConfig, buf: &mut [u8]) -> Result<(usize, RxQuality), RadioError> { 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))?; self.radio.set_rf_frequency(&RfFreq::from_frequency(config.frequency))?;
let mod_params = LoRaModParams::new() self.set_lora_mod_params(config)?;
.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)?;
let packet_params = LoRaPacketParams::new() let packet_params = LoRaPacketParams::new()
.set_preamble_len(8) .set_preamble_len(8)