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[fix](trx-backend-ft817): reject unsupported modes

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Make FT-817 mode setting fail for unsupported modes instead of silently mapping SDR-only modes onto FM.

Co-authored-by: Stan Grams <sjg@haxx.space>
Signed-off-by: Stan Grams <sjg@haxx.space>
This commit is contained in:
Stan Grams
2026-03-03 02:12:49 +01:00
parent 564f25fc6d
commit acecaff810
1 changed files with 6 additions and 6 deletions
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src/trx-server/trx-backend/trx-backend-ft817/src/lib.rs
+6 -6
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@@ -292,7 +292,8 @@ impl Ft817 {
let _ = self.port.clear(ClearBuffer::Input);
// Data byte 1 = mode, data bytes 2-4 = 0x00, command = 0x07.
let mode_code = encode_mode(mode);
let mode_code = encode_mode(mode)
.ok_or_else(|| format!("Mode {mode:?} not supported on FT-817"))?;
tracing::debug!("FT-817 set_mode -> code 0x{:02X} ({:?})", mode_code, mode);
let frame = [mode_code, 0x00, 0x00, 0x00, CMD_SET_MODE];
self.write_frame(&frame).await?;
@@ -579,8 +580,8 @@ const CMD_LOCK: u8 = 0x00;
const CMD_UNLOCK: u8 = 0x80;
const CMD_READ_METER: u8 = 0xE7;
fn encode_mode(mode: &RigMode) -> u8 {
match mode {
fn encode_mode(mode: &RigMode) -> Option<u8> {
Some(match mode {
RigMode::LSB => 0x00,
RigMode::USB => 0x01,
RigMode::CW => 0x02,
@@ -588,11 +589,10 @@ fn encode_mode(mode: &RigMode) -> u8 {
RigMode::AM => 0x04,
RigMode::WFM => 0x06,
RigMode::FM => 0x08,
RigMode::AIS | RigMode::VDES | RigMode::MARINE => 0x08,
RigMode::DIG => 0x0A,
RigMode::PKT => 0x0C,
RigMode::Other(_) => 0x00,
}
RigMode::AIS | RigMode::VDES | RigMode::MARINE | RigMode::Other(_) => return None,
})
}
fn decode_mode(code: u8) -> RigMode {