fix：树莓派检测

src/gps/controller.rs

@@ -10,12 +10,11 @@ use std::time;
 use serialport::DataBits::Eight;
 use tokio::sync::broadcast;
 
-// Import GPIO only on Linux
-#[cfg(target_os = "linux")]
+
+#[cfg(feature = "gpio")]
 use rppal::gpio::{Gpio, InputPin, Trigger};
 
-// Import rand for non-Linux platforms for simulating data
-#[cfg(not(target_os = "linux"))]
+#[cfg(not(feature = "gpio"))]
 use rand::Rng;
 
 use crate::gps::nmea::{parse_nmea_sentence, NmeaPosition};