Receive weather data from the weather sensor and print it out

base-station/software/src/main.rs

@@ -2,6 +2,8 @@ use embedded_nrf24l01::{Configuration, CrcMode, DataRate, NRF24L01};
 use linux_embedded_hal::spidev::{SpiModeFlags, Spidev, SpidevOptions};
 use linux_embedded_hal::sysfs_gpio::Direction;
 use linux_embedded_hal::Pin;
+use std::convert::TryInto;
+use std::time::Instant;
 
 use spi::EmbeddedHalSpidev;
 
@@ -43,7 +45,7 @@ fn main() {
     // Initialize the radio module.
     let mut nrf24 = NRF24L01::new(ce, cs, spi).unwrap();
     nrf24.set_frequency(0x32).unwrap();
-    nrf24.set_rf(DataRate::R2Mbps, 0).unwrap();
+    nrf24.set_rf(DataRate::R2Mbps, 3).unwrap();
     nrf24.set_crc(Some(CrcMode::OneByte)).unwrap();
     nrf24.set_auto_retransmit(250, 3).unwrap();
     nrf24
@@ -60,6 +62,8 @@ fn main() {
 
     println!("width: {}", nrf24.get_address_width().unwrap());
 
+    let mut start = Instant::now();
+
     // Receive data.
     let mut nrf24 = nrf24.rx().unwrap();
     println!("Starting to receive:");
@@ -67,6 +71,16 @@ fn main() {
         if let Some(pipe) = nrf24.can_read().unwrap() {
             let payload = nrf24.read().unwrap();
             println!("packet received on pipe {}: {:?}", pipe, payload.as_ref());
+            let pressure = u32::from_le_bytes(payload.as_ref()[0..4].try_into().unwrap());
+            let temperature = u32::from_le_bytes(payload.as_ref()[4..8].try_into().unwrap());
+            let humidity = u32::from_le_bytes(payload.as_ref()[8..12].try_into().unwrap());
+            println!("pressure: {}", pressure as f32 / 100.0);
+            println!("temperature: {}", temperature as f32 / 100.0);
+            println!("humidity: {}", humidity as f32 / 1024.0);
+            let end = Instant::now();
+            let elapsed = end.duration_since(start);
+            println!("Debug: {:?}", elapsed);
+            start = end;
         }
     }
 }