38 行
1.2 KiB
Rust
38 行
1.2 KiB
Rust
use rn2903::{bytes_to_string, Rn2903};
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use std::env::args;
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use std::process::exit;
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use std::thread;
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use std::time::Duration;
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use std::time::{SystemTime, UNIX_EPOCH};
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fn main() {
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let args: Vec<_> = args().collect();
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if args.len() <= 1 {
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eprintln!("rn2903_lora_packet_tx <serial port>");
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eprintln!("\tSend LoRa packets with the current UNIX time every 5 seconds.");
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exit(1);
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}
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let mut txvr = Rn2903::new_at(&args[1]).expect("Could not open device. Error");
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println!(
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"Successfully connected. Version: {}",
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txvr.system_version()
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.expect("Could not read from device. Error:")
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);
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txvr.mac_pause().unwrap();
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txvr.transact(b"sys set pindig GPIO10 0").unwrap();
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loop {
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txvr.transact(b"sys set pindig GPIO10 1").unwrap();
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let now = SystemTime::now();
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let since_the_epoch = now
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.duration_since(UNIX_EPOCH)
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.expect("Time went backwards")
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.as_millis();
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println!("sending: {}", since_the_epoch);
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txvr.radio_tx(format!("{}", since_the_epoch));
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txvr.transact(b"sys set pindig GPIO10 0").unwrap();
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thread::sleep(Duration::from_millis(100));
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}
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}
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