feat: Support for Antenna Genius

This commit is contained in:
2026-06-21 20:15:30 +02:00
parent 8b7c42ec9b
commit b302d4d87b
14 changed files with 2315 additions and 6 deletions
+64
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@@ -356,6 +356,70 @@ func (m *Manager) FlexDo(fn func(FlexController) error) error {
})
}
// IcomTXState is the Icom receive-DSP state surfaced to the dedicated Icom
// control tab. Levels are 0-100 (scaled from the rig's 0-255). Unlike Flex,
// the Icom doesn't push changes, so these reflect the last RefreshIcom() read
// plus the optimistic updates each setter applies.
type IcomTXState struct {
Available bool `json:"available"`
Model string `json:"model,omitempty"`
Mode string `json:"mode,omitempty"`
AFGain int `json:"af_gain"`
RFGain int `json:"rf_gain"`
NB bool `json:"nb"`
NBLevel int `json:"nb_level"`
NR bool `json:"nr"`
NRLevel int `json:"nr_level"`
ANF bool `json:"anf"`
AGC string `json:"agc,omitempty"` // FAST | MID | SLOW
Preamp int `json:"preamp"` // 0=off, 1=P.AMP1, 2=P.AMP2
Att int `json:"att"` // dB attenuation, 0=off
Filter int `json:"filter"` // 1 | 2 | 3 (FIL1/2/3)
}
// IcomController is an OPTIONAL backend capability (the Icom CI-V backend): the
// receive-DSP controls shown on the Icom tab. IcomState() is mutex-guarded in
// the backend so it's safe off the CAT goroutine; setters dispatch via IcomDo.
type IcomController interface {
IcomState() IcomTXState
RefreshIcom() error // re-read all DSP state from the rig
SetAFGain(int) error
SetRFGain(int) error
SetNB(bool) error
SetNBLevel(int) error
SetNR(bool) error
SetNRLevel(int) error
SetANF(bool) error
SetAGC(string) error
SetPreamp(int) error
SetAtt(int) error
SetIcomFilter(int) error
}
// IcomState returns the current Icom DSP state, or (zero, false) when the active
// backend isn't an Icom. Safe to call from any goroutine.
func (m *Manager) IcomState() (IcomTXState, bool) {
m.mu.RLock()
b := m.backend
m.mu.RUnlock()
if ic, ok := b.(IcomController); ok {
return ic.IcomState(), true
}
return IcomTXState{}, false
}
// IcomDo dispatches an Icom control onto the CAT goroutine. Errors if the
// active backend isn't an Icom.
func (m *Manager) IcomDo(fn func(IcomController) error) error {
return m.exec(func(b Backend) error {
ic, ok := b.(IcomController)
if !ok {
return fmt.Errorf("active CAT backend is not an Icom")
}
return fn(ic)
})
}
// exec marshals a backend operation onto the CAT goroutine. Returns the
// operation's error or a "busy"/"not running" error if dispatch failed.
func (m *Manager) exec(fn func(Backend) error) error {
+242
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@@ -0,0 +1,242 @@
// Package civ implements the Icom CI-V protocol independently of the transport
// carrying it. The exact same frames travel over a USB/serial port (local
// control) and, wrapped in Icom's UDP "serial" stream, over the network
// (remote control). Keeping the wire format in one place means the USB backend
// (icomserial) and a future network backend (icomnet) share all of it — only
// the transport differs.
//
// Frame layout: FE FE <to> <from> <cmd> [sub] [data…] FD
package civ
import (
"bytes"
"fmt"
)
// Protocol bytes.
const (
Pre = 0xFE // preamble (sent twice at the start of every frame)
End = 0xFD // end-of-message
OK = 0xFB // rig acknowledged a set command
NG = 0xFA // rig rejected a set command
// AddrController is the conventional address software uses for itself.
AddrController = 0xE0
)
// Commands (the few Phase-1 control needs; more get added with the panel).
const (
CmdTransceiveFreq = 0x00 // unsolicited freq update (dial turned)
CmdTransceiveMode = 0x01 // unsolicited mode update
CmdReadFreq = 0x03
CmdReadMode = 0x04
CmdSetFreq = 0x05
CmdSetMode = 0x06
CmdPTT = 0x1C // sub 0x00 = PTT
CmdExtra = 0x1A // sub 0x06 = data mode on modern Icoms
CmdReadID = 0x19 // sub 0x00 = rig's own CI-V address (identifies model)
CmdAtt = 0x11 // attenuator (1 BCD byte of dB; 0x00 = off)
CmdLevel = 0x14 // analogue levels (sub + 2 BCD bytes, 0000-0255)
CmdSwitch = 0x16 // on/off + multi-state DSP settings (sub + 1 byte)
SubDataMode = 0x06
SubPTT = 0x00
// CmdLevel sub-commands.
SubLevelAF = 0x01 // AF (volume)
SubLevelRF = 0x02 // RF gain
SubLevelNR = 0x06 // noise-reduction depth
SubLevelNB = 0x12 // noise-blanker depth
// CmdSwitch sub-commands.
SubSwPreamp = 0x02 // 0=off, 1=P.AMP1, 2=P.AMP2
SubSwAGC = 0x12 // 1=FAST, 2=MID, 3=SLOW
SubSwNB = 0x22 // noise blanker on/off
SubSwNR = 0x40 // noise reduction on/off
SubSwANF = 0x41 // auto-notch on/off
)
// Icom mode codes (used by CmdReadMode / CmdSetMode).
const (
ModeLSB = 0x00
ModeUSB = 0x01
ModeAM = 0x02
ModeCW = 0x03
ModeRTTY = 0x04
ModeFM = 0x05
ModeCWR = 0x07
ModeRTTYR = 0x08
)
// Frame builds a complete CI-V frame (preamble … end) for payload, which is the
// command byte followed by any sub-command/data bytes.
func Frame(to, from byte, payload ...byte) []byte {
f := make([]byte, 0, len(payload)+5)
f = append(f, Pre, Pre, to, from)
f = append(f, payload...)
f = append(f, End)
return f
}
// FreqToBCD encodes a frequency in Hz as the 5 little-endian BCD bytes Icom
// expects (10 digits, 2 per byte, least-significant byte first).
func FreqToBCD(hz int64) []byte {
if hz < 0 {
hz = 0
}
b := make([]byte, 5)
for i := 0; i < 5; i++ {
lo := hz % 10
hz /= 10
hi := hz % 10
hz /= 10
b[i] = byte(lo) | byte(hi)<<4
}
return b
}
// BCDToFreq decodes Icom little-endian BCD frequency bytes back to Hz.
func BCDToFreq(b []byte) int64 {
var hz int64
mult := int64(1)
for i := 0; i < len(b) && i < 5; i++ {
hz += int64(b[i]&0x0F) * mult
mult *= 10
hz += int64(b[i]>>4) * mult
mult *= 10
}
return hz
}
// LevelToBCD encodes a 0-255 level as the 2 big-endian BCD bytes Icom's
// CmdLevel commands use (e.g. 128 → 0x01 0x28, 255 → 0x02 0x55).
func LevelToBCD(v int) []byte {
if v < 0 {
v = 0
}
if v > 255 {
v = 255
}
return []byte{byte(v / 100), byte(((v/10)%10)<<4 | v%10)}
}
// BCDToLevel decodes the 2 BCD bytes of a CmdLevel response back to 0-255.
func BCDToLevel(b []byte) int {
if len(b) < 2 {
return 0
}
return int(b[0])*100 + int(b[1]>>4)*10 + int(b[1]&0x0F)
}
// ByteToBCD / BCDToByte handle a single packed-BCD byte (used by the
// attenuator, where the value is dB: 0x00, 0x06, 0x12, 0x18…).
func ByteToBCD(v int) byte {
if v < 0 {
v = 0
}
if v > 99 {
v = 99
}
return byte((v/10)<<4 | v%10)
}
func BCDToByte(b byte) int { return int(b>>4)*10 + int(b&0x0F) }
// ModeToADIF maps an Icom mode byte (plus the data-mode flag) to an ADIF mode
// string. Data mode on USB/LSB is surfaced as "DATA" so the app can substitute
// the user's preferred digital mode (FT8/RTTY/…), matching the OmniRig backend.
func ModeToADIF(m byte, data bool) string {
switch m {
case ModeCW, ModeCWR:
return "CW"
case ModeRTTY, ModeRTTYR:
return "RTTY"
case ModeAM:
return "AM"
case ModeFM:
return "FM"
case ModeLSB, ModeUSB:
if data {
return "DATA"
}
return "SSB"
}
return ""
}
// ModelName maps a rig's default CI-V address (from CmdReadID) to a readable
// model. Unknown addresses fall back to a hex label.
func ModelName(addr byte) string {
switch addr {
case 0x94:
return "IC-7300"
case 0x98:
return "IC-7610"
case 0xA2:
return "IC-9700"
case 0xA4:
return "IC-705"
case 0x88:
return "IC-7700"
case 0x80:
return "IC-7800"
}
return fmt.Sprintf("Icom (0x%02X)", addr)
}
// Decoded is one parsed CI-V frame. Data is everything after the command byte
// (so it still carries the sub-command for multi-byte commands like 1A 06).
type Decoded struct {
To byte
From byte
Cmd byte
Data []byte
}
// Scan extracts every complete frame from buf and reports how many leading
// bytes the caller may now discard. A trailing partial frame (or a lone
// preamble byte) is left unconsumed so it can be completed by the next read.
func Scan(buf []byte) (frames []Decoded, consumed int) {
pos := 0
for {
p := indexPreamble(buf, pos)
if p < 0 {
// No further preamble. Keep a trailing FE (possible start of the
// next preamble); otherwise everything seen is consumable.
if len(buf) > 0 && buf[len(buf)-1] == Pre {
return frames, len(buf) - 1
}
return frames, len(buf)
}
start := p + 2
for start < len(buf) && buf[start] == Pre { // tolerate padding FEs
start++
}
end := bytes.IndexByte(buf[start:], End)
if end < 0 {
return frames, p // incomplete frame — keep from its preamble
}
end += start
if body := buf[start:end]; len(body) >= 3 {
frames = append(frames, Decoded{
To: body[0],
From: body[1],
Cmd: body[2],
Data: append([]byte(nil), body[3:]...),
})
}
pos = end + 1
consumed = pos
}
}
// indexPreamble returns the index of the next FE FE pair at or after from.
func indexPreamble(buf []byte, from int) int {
for i := from; i+1 < len(buf); i++ {
if buf[i] == Pre && buf[i+1] == Pre {
return i
}
}
return -1
}
+132
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@@ -0,0 +1,132 @@
package civ
import (
"bytes"
"testing"
)
func TestFreqBCDRoundTrip(t *testing.T) {
cases := []int64{0, 1, 7074000, 14250000, 28074000, 50313000, 144174000, 1296000000}
for _, hz := range cases {
b := FreqToBCD(hz)
if len(b) != 5 {
t.Fatalf("FreqToBCD(%d) len=%d, want 5", hz, len(b))
}
if got := BCDToFreq(b); got != hz {
t.Errorf("round trip %d → % X → %d", hz, b, got)
}
}
}
func TestFreqBCDKnownEncoding(t *testing.T) {
// 14.250.000 Hz → little-endian BCD 00 00 25 14 00.
want := []byte{0x00, 0x00, 0x25, 0x14, 0x00}
if got := FreqToBCD(14250000); !bytes.Equal(got, want) {
t.Errorf("FreqToBCD(14250000) = % X, want % X", got, want)
}
}
func TestFrame(t *testing.T) {
// Read-frequency request to a 7610 (0x98) from the controller (0xE0).
got := Frame(0x98, AddrController, CmdReadFreq)
want := []byte{0xFE, 0xFE, 0x98, 0xE0, 0x03, 0xFD}
if !bytes.Equal(got, want) {
t.Errorf("Frame = % X, want % X", got, want)
}
}
func TestScanSingleFreqResponse(t *testing.T) {
// Rig (0x98) → controller (0xE0): freq read response for 14.250 MHz.
in := Frame(AddrController, 0x98, CmdReadFreq, 0x00, 0x00, 0x25, 0x14, 0x00)
frames, consumed := Scan(in)
if consumed != len(in) {
t.Fatalf("consumed=%d, want %d", consumed, len(in))
}
if len(frames) != 1 {
t.Fatalf("got %d frames, want 1", len(frames))
}
f := frames[0]
if f.From != 0x98 || f.To != AddrController || f.Cmd != CmdReadFreq {
t.Errorf("addrs/cmd wrong: %+v", f)
}
if hz := BCDToFreq(f.Data); hz != 14250000 {
t.Errorf("decoded freq %d, want 14250000", hz)
}
}
func TestScanSkipsEchoAndKeepsPartial(t *testing.T) {
echo := Frame(0x98, AddrController, CmdReadFreq) // our outgoing (echoed back)
resp := Frame(AddrController, 0x98, CmdReadMode, ModeCW, 0x01) // a real response
buf := append(append([]byte{}, echo...), resp...)
buf = append(buf, 0xFE, 0xFE, 0x98) // a partial third frame (no FD yet)
frames, consumed := Scan(buf)
if len(frames) != 2 {
t.Fatalf("got %d frames, want 2", len(frames))
}
// The partial frame must be left unconsumed so the next read can finish it.
if consumed != len(echo)+len(resp) {
t.Errorf("consumed=%d, want %d (partial frame retained)", consumed, len(echo)+len(resp))
}
if frames[1].Cmd != CmdReadMode || len(frames[1].Data) < 1 || frames[1].Data[0] != ModeCW {
t.Errorf("second frame wrong: %+v", frames[1])
}
}
func TestModeToADIF(t *testing.T) {
cases := []struct {
m byte
data bool
want string
}{
{ModeUSB, false, "SSB"},
{ModeLSB, false, "SSB"},
{ModeUSB, true, "DATA"},
{ModeCW, false, "CW"},
{ModeCWR, false, "CW"},
{ModeRTTY, false, "RTTY"},
{ModeAM, false, "AM"},
{ModeFM, false, "FM"},
}
for _, c := range cases {
if got := ModeToADIF(c.m, c.data); got != c.want {
t.Errorf("ModeToADIF(0x%02X, %v) = %q, want %q", c.m, c.data, got, c.want)
}
}
}
func TestLevelBCDRoundTrip(t *testing.T) {
for _, v := range []int{0, 1, 50, 99, 100, 128, 200, 255} {
b := LevelToBCD(v)
if len(b) != 2 {
t.Fatalf("LevelToBCD(%d) len=%d", v, len(b))
}
if got := BCDToLevel(b); got != v {
t.Errorf("level round trip %d → % X → %d", v, b, got)
}
}
// Known encodings from the Icom CI-V reference.
if got := LevelToBCD(128); !bytes.Equal(got, []byte{0x01, 0x28}) {
t.Errorf("LevelToBCD(128) = % X, want 01 28", got)
}
if got := LevelToBCD(255); !bytes.Equal(got, []byte{0x02, 0x55}) {
t.Errorf("LevelToBCD(255) = % X, want 02 55", got)
}
}
func TestByteBCDRoundTrip(t *testing.T) {
for _, v := range []int{0, 6, 12, 18, 21} {
if got := BCDToByte(ByteToBCD(v)); got != v {
t.Errorf("byte BCD round trip %d → %d", v, got)
}
}
}
func TestModelName(t *testing.T) {
if got := ModelName(0x98); got != "IC-7610" {
t.Errorf("ModelName(0x98) = %q, want IC-7610", got)
}
if got := ModelName(0x12); got != "Icom (0x12)" {
t.Errorf("ModelName(0x12) = %q, want fallback", got)
}
}
+557
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@@ -0,0 +1,557 @@
package cat
import (
"fmt"
"strings"
"sync"
"time"
"hamlog/internal/cat/civ"
"go.bug.st/serial"
)
// IcomSerial controls an Icom transceiver over its USB/serial CI-V port (local
// control). It speaks the shared civ protocol, so when the network backend
// (icomnet) is added it will reuse the same encode/decode — only the transport
// changes. Implements Backend; all methods run on the Manager's CAT goroutine,
// so the port is accessed single-threaded (no locking needed).
type IcomSerial struct {
portName string
baud int
rigAddr byte // rig's CI-V address (IC-7610 default 0x98)
digital string // mode to command for DATA (FT8/RTTY/…)
port serial.Port
rx []byte // accumulated bytes awaiting a complete frame
model string
curFreq int64 // last frequency read (for sideband choice)
curModeByte byte // last raw Icom mode byte (for filter re-send)
lastSetFreq int64 // last frequency commanded (spot click: freq then mode)
lastSetFreqAt time.Time
// dsp caches the receive-DSP state for the Icom control tab. Read off the
// CAT goroutine via IcomState(), written on the CAT goroutine (RefreshIcom
// / setters) — hence the mutex.
dspMu sync.Mutex
dsp IcomTXState
}
const (
icomReadTimeout = 350 * time.Millisecond // wait for a poll response
icomCmdTimeout = 400 * time.Millisecond // wait for a set ack (FB/FA)
)
// NewIcomSerial builds an (unconnected) Icom serial backend. baud defaults to
// 115200, rig address to the IC-7610's 0x98 when out of range.
func NewIcomSerial(portName string, baud, civAddr int, digitalDefault string) *IcomSerial {
if baud <= 0 {
baud = 115200
}
if civAddr <= 0 || civAddr > 0xFF {
civAddr = 0x98 // IC-7610
}
if digitalDefault == "" {
digitalDefault = "FT8"
}
return &IcomSerial{
portName: portName,
baud: baud,
rigAddr: byte(civAddr),
digital: strings.ToUpper(digitalDefault),
model: "Icom",
}
}
func (b *IcomSerial) Name() string { return "icom" }
func (b *IcomSerial) Connect() error {
if b.portName == "" {
return fmt.Errorf("no serial port configured")
}
port, err := serial.Open(b.portName, &serial.Mode{BaudRate: b.baud})
if err != nil {
return fmt.Errorf("open %s @ %d baud: %w", b.portName, b.baud, err)
}
// Short read timeout so recv() polls in a tight loop without blocking the
// CAT goroutine when the rig is silent.
_ = port.SetReadTimeout(60 * time.Millisecond)
b.port = port
b.rx = b.rx[:0]
b.model = civ.ModelName(b.rigAddr)
// Best-effort model identification: ask the rig for its own CI-V address.
if err := b.write(civ.CmdReadID, civ.SubPTT); err == nil {
if f, err := b.recv(icomReadTimeout, func(d civ.Decoded) bool {
return d.Cmd == civ.CmdReadID && len(d.Data) >= 2 && d.Data[0] == 0x00
}); err == nil {
b.model = civ.ModelName(f.Data[1])
}
}
b.readDSP() // best-effort initial snapshot for the control tab
return nil
}
func (b *IcomSerial) Disconnect() {
if b.port != nil {
_ = b.port.Close()
b.port = nil
}
}
// ReadState polls the rig for frequency and mode. A failed frequency read is
// treated as "lost the rig" so the Manager reconnects.
func (b *IcomSerial) ReadState() (RigState, error) {
if b.port == nil {
return RigState{}, fmt.Errorf("not connected")
}
s := RigState{Backend: b.Name(), Connected: true, Rig: b.model}
hz, err := b.readFreq()
if err != nil {
return RigState{}, err
}
s.FreqHz = hz
b.curFreq = hz
if m, ok := b.readMode(); ok {
b.curModeByte = m
data := b.readDataMode() // best-effort; ignored on failure
s.Mode = civ.ModeToADIF(m, data)
if s.Mode == "DATA" {
s.Mode = b.digital
}
b.dspMu.Lock()
b.dsp.Mode = s.Mode
b.dspMu.Unlock()
}
return s, nil
}
func (b *IcomSerial) SetFrequency(hz int64) error {
if hz <= 0 {
return fmt.Errorf("invalid frequency")
}
b.lastSetFreq, b.lastSetFreqAt = hz, time.Now()
return b.exec(append([]byte{civ.CmdSetFreq}, civ.FreqToBCD(hz)...)...)
}
func (b *IcomSerial) SetMode(mode string) error {
code, data, err := b.modeCode(mode)
if err != nil {
return err
}
// Set the base mode (keeping the rig's current filter by sending only the
// mode byte), then set the data-mode flag for digital modes.
if err := b.exec(civ.CmdSetMode, code); err != nil {
return err
}
dataByte := byte(0)
if data {
dataByte = 1
}
// Filter 0x01 (FIL1) is the conventional default for the data-mode set.
_ = b.exec(civ.CmdExtra, civ.SubDataMode, dataByte, 0x01)
return nil
}
func (b *IcomSerial) SetPTT(on bool) error {
state := byte(0)
if on {
state = 1
}
return b.exec(civ.CmdPTT, civ.SubPTT, state)
}
// ── helpers ───────────────────────────────────────────────────────────────
func (b *IcomSerial) write(payload ...byte) error {
_, err := b.port.Write(civ.Frame(b.rigAddr, civ.AddrController, payload...))
return err
}
// recv reads from the port until a frame from the rig satisfies match or the
// timeout elapses. Frames that are our own echo (from == controller) or don't
// match are discarded.
func (b *IcomSerial) recv(timeout time.Duration, match func(civ.Decoded) bool) (civ.Decoded, error) {
deadline := time.Now().Add(timeout)
tmp := make([]byte, 256)
for time.Now().Before(deadline) {
n, err := b.port.Read(tmp)
if err != nil {
return civ.Decoded{}, err
}
if n == 0 {
continue
}
b.rx = append(b.rx, tmp[:n]...)
frames, consumed := civ.Scan(b.rx)
if consumed > 0 {
b.rx = append(b.rx[:0], b.rx[consumed:]...)
}
for _, f := range frames {
if f.From != b.rigAddr {
continue // skip echo of our own commands
}
if match(f) {
return f, nil
}
}
}
return civ.Decoded{}, fmt.Errorf("icom: timeout waiting for response")
}
// exec sends a set command and waits for the rig's OK (FB) / NG (FA) ack.
func (b *IcomSerial) exec(payload ...byte) error {
if err := b.write(payload...); err != nil {
return err
}
f, err := b.recv(icomCmdTimeout, func(d civ.Decoded) bool {
return d.Cmd == civ.OK || d.Cmd == civ.NG
})
if err != nil {
return err
}
if f.Cmd == civ.NG {
return fmt.Errorf("icom: rig rejected command 0x%02X", payload[0])
}
return nil
}
func (b *IcomSerial) readFreq() (int64, error) {
if err := b.write(civ.CmdReadFreq); err != nil {
return 0, err
}
f, err := b.recv(icomReadTimeout, func(d civ.Decoded) bool {
return d.Cmd == civ.CmdReadFreq || d.Cmd == civ.CmdTransceiveFreq
})
if err != nil {
return 0, err
}
return civ.BCDToFreq(f.Data), nil
}
func (b *IcomSerial) readMode() (byte, bool) {
if err := b.write(civ.CmdReadMode); err != nil {
return 0, false
}
f, err := b.recv(icomReadTimeout, func(d civ.Decoded) bool {
return (d.Cmd == civ.CmdReadMode || d.Cmd == civ.CmdTransceiveMode) && len(d.Data) >= 1
})
if err != nil {
return 0, false
}
return f.Data[0], true
}
func (b *IcomSerial) readDataMode() bool {
if err := b.write(civ.CmdExtra, civ.SubDataMode); err != nil {
return false
}
f, err := b.recv(icomReadTimeout, func(d civ.Decoded) bool {
return d.Cmd == civ.CmdExtra && len(d.Data) >= 2 && d.Data[0] == civ.SubDataMode
})
if err != nil {
return false
}
return f.Data[1] != 0
}
// modeCode maps an ADIF mode to an Icom mode byte plus whether the data-mode
// flag should be set. SSB sideband follows the usual convention (LSB below
// 10 MHz, USB above); the frequency just commanded is preferred over the last
// poll so a clicked spot (freq then mode) picks the right sideband immediately.
func (b *IcomSerial) modeCode(mode string) (code byte, data bool, err error) {
freq := b.curFreq
if b.lastSetFreq > 0 && time.Since(b.lastSetFreqAt) < 5*time.Second {
freq = b.lastSetFreq
}
usb := byte(civ.ModeUSB)
if freq > 0 && freq < 10_000_000 {
usb = civ.ModeLSB
}
switch strings.ToUpper(strings.TrimSpace(mode)) {
case "CW":
return civ.ModeCW, false, nil
case "SSB":
return usb, false, nil
case "AM":
return civ.ModeAM, false, nil
case "FM":
return civ.ModeFM, false, nil
case "RTTY", "FSK":
return civ.ModeRTTY, false, nil
case "FT8", "FT4", "PSK31", "MFSK", "JS8", "JT65", "JT9", "OLIVIA", "DATA", "DIGITALVOICE":
// Digital data modes ride on USB with the data flag set (FT8 etc.).
return civ.ModeUSB, true, nil
}
return 0, false, fmt.Errorf("icom: unsupported mode %q", mode)
}
// ── IcomController: receive-DSP controls for the Icom tab ───────────────────
func (b *IcomSerial) IcomState() IcomTXState {
b.dspMu.Lock()
defer b.dspMu.Unlock()
return b.dsp
}
// RefreshIcom re-reads the whole DSP snapshot from the rig. Runs on the CAT
// goroutine (dispatched via IcomDo).
func (b *IcomSerial) RefreshIcom() error {
if b.port == nil {
return fmt.Errorf("not connected")
}
b.readDSP()
return nil
}
// readDSP polls every DSP value once and replaces the cache. Best-effort: a
// value the rig doesn't answer keeps its previous cached value rather than
// stalling (each read has a short timeout).
func (b *IcomSerial) readDSP() {
st := IcomTXState{Available: true, Model: b.model}
b.dspMu.Lock()
st.Mode = b.dsp.Mode // preserve mode (set by ReadState)
b.dspMu.Unlock()
if v, ok := b.readLevel(civ.SubLevelAF); ok {
st.AFGain = from255(v)
}
if v, ok := b.readLevel(civ.SubLevelRF); ok {
st.RFGain = from255(v)
}
if v, ok := b.readLevel(civ.SubLevelNR); ok {
st.NRLevel = from255(v)
}
if v, ok := b.readLevel(civ.SubLevelNB); ok {
st.NBLevel = from255(v)
}
if v, ok := b.readSwitch(civ.SubSwNB); ok {
st.NB = v != 0
}
if v, ok := b.readSwitch(civ.SubSwNR); ok {
st.NR = v != 0
}
if v, ok := b.readSwitch(civ.SubSwANF); ok {
st.ANF = v != 0
}
if v, ok := b.readSwitch(civ.SubSwAGC); ok {
st.AGC = agcName(v)
}
if v, ok := b.readSwitch(civ.SubSwPreamp); ok {
st.Preamp = int(v)
}
if v, ok := b.readAtt(); ok {
st.Att = v
}
if _, f, ok := b.readModeFilter(); ok {
st.Filter = int(f)
}
b.dspMu.Lock()
b.dsp = st
b.dspMu.Unlock()
}
const icomDSPTimeout = 150 * time.Millisecond // shorter: unsupported reads mustn't stall the poll
func (b *IcomSerial) readLevel(sub byte) (int, bool) {
if err := b.write(civ.CmdLevel, sub); err != nil {
return 0, false
}
f, err := b.recv(icomDSPTimeout, func(d civ.Decoded) bool {
return d.Cmd == civ.CmdLevel && len(d.Data) >= 3 && d.Data[0] == sub
})
if err != nil {
return 0, false
}
return civ.BCDToLevel(f.Data[1:3]), true
}
func (b *IcomSerial) readSwitch(sub byte) (byte, bool) {
if err := b.write(civ.CmdSwitch, sub); err != nil {
return 0, false
}
f, err := b.recv(icomDSPTimeout, func(d civ.Decoded) bool {
return d.Cmd == civ.CmdSwitch && len(d.Data) >= 2 && d.Data[0] == sub
})
if err != nil {
return 0, false
}
return f.Data[1], true
}
func (b *IcomSerial) readAtt() (int, bool) {
if err := b.write(civ.CmdAtt); err != nil {
return 0, false
}
f, err := b.recv(icomDSPTimeout, func(d civ.Decoded) bool {
return d.Cmd == civ.CmdAtt && len(d.Data) >= 1
})
if err != nil {
return 0, false
}
return civ.BCDToByte(f.Data[0]), true
}
func (b *IcomSerial) readModeFilter() (mode, filter byte, ok bool) {
if err := b.write(civ.CmdReadMode); err != nil {
return 0, 0, false
}
f, err := b.recv(icomDSPTimeout, func(d civ.Decoded) bool {
return d.Cmd == civ.CmdReadMode && len(d.Data) >= 2
})
if err != nil {
return 0, 0, false
}
return f.Data[0], f.Data[1], true
}
func (b *IcomSerial) SetAFGain(p int) error {
if err := b.exec(append([]byte{civ.CmdLevel, civ.SubLevelAF}, civ.LevelToBCD(to255(p))...)...); err != nil {
return err
}
b.setCache(func(s *IcomTXState) { s.AFGain = clampPct(p) })
return nil
}
func (b *IcomSerial) SetRFGain(p int) error {
if err := b.exec(append([]byte{civ.CmdLevel, civ.SubLevelRF}, civ.LevelToBCD(to255(p))...)...); err != nil {
return err
}
b.setCache(func(s *IcomTXState) { s.RFGain = clampPct(p) })
return nil
}
func (b *IcomSerial) SetNB(on bool) error {
if err := b.exec(civ.CmdSwitch, civ.SubSwNB, boolByte(on)); err != nil {
return err
}
b.setCache(func(s *IcomTXState) { s.NB = on })
return nil
}
func (b *IcomSerial) SetNBLevel(p int) error {
if err := b.exec(append([]byte{civ.CmdLevel, civ.SubLevelNB}, civ.LevelToBCD(to255(p))...)...); err != nil {
return err
}
b.setCache(func(s *IcomTXState) { s.NBLevel = clampPct(p) })
return nil
}
func (b *IcomSerial) SetNR(on bool) error {
if err := b.exec(civ.CmdSwitch, civ.SubSwNR, boolByte(on)); err != nil {
return err
}
b.setCache(func(s *IcomTXState) { s.NR = on })
return nil
}
func (b *IcomSerial) SetNRLevel(p int) error {
if err := b.exec(append([]byte{civ.CmdLevel, civ.SubLevelNR}, civ.LevelToBCD(to255(p))...)...); err != nil {
return err
}
b.setCache(func(s *IcomTXState) { s.NRLevel = clampPct(p) })
return nil
}
func (b *IcomSerial) SetANF(on bool) error {
if err := b.exec(civ.CmdSwitch, civ.SubSwANF, boolByte(on)); err != nil {
return err
}
b.setCache(func(s *IcomTXState) { s.ANF = on })
return nil
}
func (b *IcomSerial) SetAGC(name string) error {
v := agcValue(name)
if v == 0 {
return fmt.Errorf("icom: invalid AGC %q", name)
}
if err := b.exec(civ.CmdSwitch, civ.SubSwAGC, v); err != nil {
return err
}
b.setCache(func(s *IcomTXState) { s.AGC = strings.ToUpper(name) })
return nil
}
func (b *IcomSerial) SetPreamp(n int) error {
if n < 0 || n > 2 {
return fmt.Errorf("icom: invalid preamp %d", n)
}
if err := b.exec(civ.CmdSwitch, civ.SubSwPreamp, byte(n)); err != nil {
return err
}
b.setCache(func(s *IcomTXState) { s.Preamp = n })
return nil
}
func (b *IcomSerial) SetAtt(db int) error {
if err := b.exec(civ.CmdAtt, civ.ByteToBCD(db)); err != nil {
return err
}
b.setCache(func(s *IcomTXState) { s.Att = db })
return nil
}
func (b *IcomSerial) SetIcomFilter(n int) error {
if n < 1 || n > 3 {
return fmt.Errorf("icom: invalid filter %d", n)
}
if b.curModeByte == 0 {
// Need the current mode to re-send with the chosen filter.
if m, _, ok := b.readModeFilter(); ok {
b.curModeByte = m
}
}
if err := b.exec(civ.CmdSetMode, b.curModeByte, byte(n)); err != nil {
return err
}
b.setCache(func(s *IcomTXState) { s.Filter = n })
return nil
}
func (b *IcomSerial) setCache(fn func(*IcomTXState)) {
b.dspMu.Lock()
fn(&b.dsp)
b.dspMu.Unlock()
}
// ── small helpers ──────────────────────────────────────────────────────────
func to255(p int) int { return clampPct(p) * 255 / 100 }
func from255(v int) int { return (v*100 + 127) / 255 }
func clampPct(p int) int { return min(100, max(0, p)) }
func boolByte(on bool) byte {
if on {
return 1
}
return 0
}
func agcName(v byte) string {
switch v {
case 1:
return "FAST"
case 2:
return "MID"
case 3:
return "SLOW"
}
return ""
}
func agcValue(name string) byte {
switch strings.ToUpper(strings.TrimSpace(name)) {
case "FAST":
return 1
case "MID":
return 2
case "SLOW":
return 3
}
return 0
}