Normalize zero-based firmware satellite indices

tests/main_window_tests.cpp

@@ -89,13 +89,13 @@ int main(int argc, char **argv)
     assert(sideSplitter != nullptr);
     assert(sideSplitter->orientation() == Qt::Vertical);
 
-    sendLine(window, QStringLiteral("[TRK] tracked satellites=2 prns=[3,8]"));
+    sendLine(window, QStringLiteral("[TRK] tracked satellites=2 prn_indices=[2,7]"));
     assert(map != nullptr);
     auto *globe = window.findChild<GlobeWidget *>();
     assert(globe != nullptr);
     assert(globe->observedPrns()
            == QSet<QString>({QStringLiteral("G03"), QStringLiteral("G08")}));
-    sendLine(window, QStringLiteral("[TRK] tracked satellites=1 prns=[14]"));
+    sendLine(window, QStringLiteral("[TRK] tracked satellites=1 prn_indices=[13]"));
     assert(globe->observedPrns() == QSet<QString>({QStringLiteral("G14")}));
 
     assert(QMetaObject::invokeMethod(map, "referenceLocationSelected", Qt::DirectConnection,

tests/parser_tests.cpp

@@ -186,6 +186,25 @@ int main(int argc, char **argv)
         assert(prns == QSet<QString>({QStringLiteral("G01"), QStringLiteral("G32")}));
     }
 
+    {
+        const QSet<QString> prns = LocationParser::parseGpsPrns(
+            QStringLiteral("[TRK] tracked satellites=3 prn_indices=[0,7,31]"));
+        assert(prns == QSet<QString>({QStringLiteral("G01"), QStringLiteral("G08"),
+                                     QStringLiteral("G32")}));
+    }
+
+    {
+        const QSet<QString> prns = LocationParser::parseGpsPrns(
+            QStringLiteral("[TRK] tracked satellites=2 prns=[0,7]"));
+        assert(prns == QSet<QString>({QStringLiteral("G01"), QStringLiteral("G08")}));
+    }
+
+    {
+        const QSet<QString> prns = LocationParser::parseGpsPrns(
+            QStringLiteral("[TRK] tracked satellites=2 prn_indices=[0,G08]"));
+        assert(prns == QSet<QString>({QStringLiteral("G01"), QStringLiteral("G08")}));
+    }
+
     {
         const auto parsed = LocationParser::parseLine(QStringLiteral(
             "[OK] [NAV] DOP GDOP=7.0907891622 PDOP=5.6333862175 "