Add displaying PTT/freq/mode info to the status bar

civdecoder.go

@@ -0,0 +1,122 @@
+package main
+
+import "math"
+
+const civAddress = 0xa4
+
+type civDecoderStruct struct {
+}
+
+func (s *civDecoderStruct) decode(d []byte) {
+	if len(d) < 6 || d[0] != 0xfe || d[1] != 0xfe || d[len(d)-1] != 0xfd {
+		return
+	}
+
+	payload := d[5 : len(d)-1]
+
+	switch d[4] {
+	case 0x00:
+		s.decodeFreq(payload)
+	case 0x01:
+		s.decodeMode(payload)
+	case 0x03:
+		s.decodeFreq(payload)
+	case 0x04:
+		s.decodeMode(payload)
+	case 0x1c:
+		s.decodePTT(payload)
+	}
+}
+
+func (s *civDecoderStruct) decodeFreq(d []byte) {
+	var f float64
+	var pos int
+	for _, v := range d {
+		s1 := v & 0x0f
+		s2 := v >> 4
+		f += float64(s1) * math.Pow(10, float64(pos))
+		pos++
+		f += float64(s2) * math.Pow(10, float64(pos))
+		pos++
+	}
+	statusLog.reportFrequency(f)
+}
+
+func (s *civDecoderStruct) decodeMode(d []byte) {
+	if len(d) < 1 {
+		return
+	}
+
+	var mode string
+	switch d[0] {
+	case 0x00:
+		mode = "LSB"
+	case 0x01:
+		mode = "USB"
+	case 0x02:
+		mode = "AM"
+	case 0x03:
+		mode = "CW"
+	case 0x04:
+		mode = "RTTY"
+	case 0x05:
+		mode = "FM"
+	case 0x06:
+		mode = "WFM"
+	case 0x07:
+		mode = "CW-R"
+	case 0x08:
+		mode = "RTTY-R"
+	case 0x17:
+		mode = "DV"
+	}
+
+	var filter string
+	if len(d) > 1 {
+		switch d[1] {
+		case 0x01:
+			filter = "FIL1"
+		case 0x02:
+			filter = "FIL2"
+		case 0x03:
+			filter = "FIL3"
+		}
+	}
+	statusLog.reportMode(mode, filter)
+}
+
+func (s *civDecoderStruct) decodePTT(d []byte) {
+	if len(d) < 2 {
+		return
+	}
+
+	var ptt bool
+	var tune bool
+	switch d[0] {
+	case 0:
+		if d[1] == 1 {
+			ptt = true
+		}
+	case 1:
+		if d[1] == 2 {
+			tune = true
+		}
+	}
+	statusLog.reportPTT(ptt, tune)
+}
+
+func (s *civDecoderStruct) query(st *serialStream) error {
+	// Querying frequency.
+	if err := st.send([]byte{254, 254, civAddress, 224, 3, 253}); err != nil {
+		return err
+	}
+	// Querying mode.
+	if err := st.send([]byte{254, 254, civAddress, 224, 4, 253}); err != nil {
+		return err
+	}
+	// Querying PTT.
+	if err := st.send([]byte{254, 254, civAddress, 224, 0x1c, 0, 253}); err != nil {
+		return err
+	}
+	return nil
+}