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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
//! This example runs on the STM32 LoRa Discovery board, which has a builtin Semtech Sx1276 radio.
//! It demonstrates LoRaWAN join functionality.
#![no_std]
#![no_main]
#![macro_use]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::Spawner;
use embassy_lora::iv::Stm32l0InterfaceVariant;
use embassy_lora::LoraTimer;
use embassy_stm32::exti::{Channel, ExtiInput};
use embassy_stm32::gpio::{Input, Level, Output, Pin, Pull, Speed};
use embassy_stm32::rng::Rng;
use embassy_stm32::time::khz;
use embassy_stm32::{bind_interrupts, peripherals, rng, spi};
use embassy_time::Delay;
use lora_phy::mod_params::*;
use lora_phy::sx1276_7_8_9::SX1276_7_8_9;
use lora_phy::LoRa;
use lorawan::default_crypto::DefaultFactory as Crypto;
use lorawan_device::async_device::lora_radio::LoRaRadio;
use lorawan_device::async_device::{region, Device, JoinMode};
use {defmt_rtt as _, panic_probe as _};
bind_interrupts!(struct Irqs {
RNG_LPUART1 => rng::InterruptHandler<peripherals::RNG>;
});
const LORAWAN_REGION: region::Region = region::Region::EU868; // warning: set this appropriately for the region
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let mut config = embassy_stm32::Config::default();
config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSI16;
config.rcc.enable_hsi48 = true;
let p = embassy_stm32::init(config);
let mut spi_config = spi::Config::default();
spi_config.frequency = khz(200);
// SPI for sx1276
let spi = spi::Spi::new(p.SPI1, p.PB3, p.PA7, p.PA6, p.DMA1_CH3, p.DMA1_CH2, spi_config);
let nss = Output::new(p.PA15.degrade(), Level::High, Speed::Low);
let reset = Output::new(p.PC0.degrade(), Level::High, Speed::Low);
let irq_pin = Input::new(p.PB4.degrade(), Pull::Up);
let irq = ExtiInput::new(irq_pin, p.EXTI4.degrade());
let iv = Stm32l0InterfaceVariant::new(nss, reset, irq, None, None).unwrap();
let mut delay = Delay;
let lora = {
match LoRa::new(SX1276_7_8_9::new(BoardType::Stm32l0Sx1276, spi, iv), true, &mut delay).await {
Ok(l) => l,
Err(err) => {
info!("Radio error = {}", err);
return;
}
}
};
let radio = LoRaRadio::new(lora);
let region: region::Configuration = region::Configuration::new(LORAWAN_REGION);
let mut device: Device<_, Crypto, _, _> = Device::new(region, radio, LoraTimer::new(), Rng::new(p.RNG, Irqs));
defmt::info!("Joining LoRaWAN network");
// TODO: Adjust the EUI and Keys according to your network credentials
match device
.join(&JoinMode::OTAA {
deveui: [0, 0, 0, 0, 0, 0, 0, 0],
appeui: [0, 0, 0, 0, 0, 0, 0, 0],
appkey: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
})
.await
{
Ok(()) => defmt::info!("LoRaWAN network joined"),
Err(err) => {
info!("Radio error = {}", err);
return;
}
};
}
|
