Initial import

protocol/aprs/datatype.go

@@ -0,0 +1,41 @@
+package aprs
+
+import "fmt"
+
+type DataType byte
+
+var (
+	dataTypeName = map[DataType]string{
+		0x1c: "Current Mic-E Data (Rev 0 beta)",
+		0x1d: "Old Mic-E Data (Rev 0 beta)",
+		'!':  "Position without timestamp (no APRS messaging), or Ultimeter 2000 WX Station",
+		'#':  "Peet Bros U-II Weather Station",
+		'$':  "Raw GPS data or Ultimeter 2000",
+		'%':  "Agrelo DFJr / MicroFinder",
+		'"':  "Old Mic-E Data (but Current data for TM-D700)",
+		')':  "Item",
+		'*':  "Peet Bros U-II Weather Station",
+		',':  "Invalid data or test data",
+		'/':  "Position with timestamp (no APRS messaging)",
+		':':  "Message",
+		';':  "Object",
+		'<':  "Station Capabilities",
+		'=':  "Position without timestamp (with APRS messaging)",
+		'>':  "Status",
+		'?':  "Query",
+		'@':  "Position with timestamp (with APRS messaging)",
+		'T':  "Telemetry data",
+		'[':  "Maidenhead grid locator beacon (obsolete)",
+		'_':  "Weather Report (without position)",
+		'`':  "Current Mic-E Data (not used in TM-D700)",
+		'{':  "User-Defined APRS packet format",
+		'}':  "Third-party traffic",
+	}
+)
+
+func (t DataType) String() string {
+	if s, ok := dataTypeName[t]; ok {
+		return s
+	}
+	return fmt.Sprintf("Unknown packet type %#02x", byte(t))
+}