main: Add feature flag for GNSS module

src/applogic/mod.rs

@@ -9,6 +9,7 @@ use alloc::vec::Vec;
 use esp_println::println;
 #[cfg(feature = "spat")]
 use log::{debug, error};
+#[cfg(feature = "gnss")]
 use log::{info, warn};
 
 #[cfg(feature = "spat")]
@@ -39,12 +40,16 @@ const GLOSA_LANE_LEFT_OFFSET_M: f64 = 20.;
 #[cfg(feature = "spat")]
 const GLOSA_STOP_LINE_PASSED_M: f64 = 10.;
 
+#[allow(unused)]
 pub struct State {
     initialized: bool,
     time: chrono::NaiveDateTime,
 
+    #[allow(unused)]
     position: geo_types::Point,
+    #[allow(unused)]
     heading_deg: Option<f32>,
+    #[allow(unused)]
     speed_mps: Option<f32>,
 
     #[cfg(feature = "spat")]
@@ -96,7 +101,7 @@ impl State {
         }
     }
 
-    #[cfg(feature = "esp")]
+    #[cfg(all(feature = "esp", feature = "gnss"))]
     pub fn update_with_gpsfix(&mut self, fix: &embassy_gps::types::GpsFix) {
         self.position = geo_types::Point::new(fix.longitude_deg, fix.latitude_deg);
 
@@ -122,6 +127,7 @@ impl State {
         }
     }
 
+    #[cfg(feature = "gnss")]
     pub fn print_fix(&self) -> alloc::string::String {
         alloc::format!(
             "{:?}, {:.4} N, {:.4} E, {:.0}°, {:.2} m/s",

src/main.rs

@@ -13,6 +13,7 @@ use core::cell::RefCell;
 use critical_section::Mutex;
 use crossbeam_queue::ArrayQueue;
 use embassy_executor::Spawner;
+#[cfg(feature = "gnss")]
 use embassy_gps::gps::l76k;
 use esp_backtrace as _;
 use esp_hal::clock::CpuClock;
@@ -34,6 +35,7 @@ const WIFI_CHANNEL: radio::Channel = 180;
 // For more information see: <https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/system/app_image_format.html#application-description>
 esp_bootloader_esp_idf::esp_app_desc!();
 
+#[cfg(feature = "gnss")]
 static GNSS_UPDATE: Mutex<RefCell<Option<embassy_gps::types::GpsFix>>> =
     Mutex::new(RefCell::new(None));
 static WIFI_RX_QUEUE: Mutex<RefCell<Option<ArrayQueue<Vec<u8>>>>> = Mutex::new(RefCell::new(None));
@@ -93,6 +95,7 @@ async fn main(spawner: Spawner) -> ! {
     // TX:      D6/ GPIO11
     // WAKEUP:  D0/ GPIO1 -> HIGH for active, LOW for Sleep
     // RESET:   D2/ GPIO25 -> HIGH for normal, LOW for Reset
+    #[cfg(feature = "gnss")]
     spawner.spawn(
         gnss_task(
             peripherals.GPIO1,
@@ -109,6 +112,7 @@ async fn main(spawner: Spawner) -> ! {
     loop {
         embassy_time::Timer::after(embassy_time::Duration::from_millis(5)).await;
 
+        #[cfg(feature = "gnss")]
         critical_section::with(|cs| {
             let gnss_update_ref = GNSS_UPDATE.borrow(cs);
 
@@ -236,6 +240,7 @@ fn handle_frame(frame: wifi::sniffer::PromiscuousPkt<'_>) {
     });
 }
 
+#[cfg(feature = "gnss")]
 #[allow(clippy::large_stack_frames, reason = "GNSS driver needs some space")]
 #[embassy_executor::task]
 async fn gnss_task(