add source

Author: tzilist

swiftnav/src/nmea/source.rs

@@ -0,0 +1,34 @@
+#[derive(Debug, Copy, Clone, PartialEq, Default)]
+pub enum Source {
+    /// USA Global Positioning System
+    #[default]
+    GPS,
+    /// Russian Federation GLONASS
+    GLONASS,
+    // Navigation Indian Constellation
+    NavIC,
+    /// European Union Gallileo
+    Gallileo,
+    /// China's Beidou
+    BDS,
+    /// Global Navigation Sattelite System. Some combination of other systems. Depends on receiver
+    /// model, receiver settings, etc..
+    GNSS,
+    /// Quasi-Zenith Satellite System (Japan)
+    QZSS,
+}
+
+impl Source {
+    #[must_use]
+    pub fn to_nmea_talker_id(&self) -> &str {
+        match self {
+            Source::GPS => "GP",
+            Source::GLONASS => "GL",
+            Source::NavIC => "GI",
+            Source::Gallileo => "GA",
+            Source::BDS => "GB",
+            Source::GNSS => "GN",
+            Source::QZSS => "GQ",
+        }
+    }
+}