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[feat](trx-rs): add FT2 decoder protocol support

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Implement a distinct FT2 protocol path in the decoder stack and align\nits timing with the confirmed FT2 framing used by Decodium.\n\nCo-authored-by: OpenAI Codex <codex@openai.com>

Signed-off-by: Stanislaw Grams <stanislawgrams@gmail.com>
This commit is contained in:
Stan Grams
2026-03-14 19:49:05 +01:00
parent d547c45a9c
commit ad6aa6aab4
9 changed files with 116 additions and 46 deletions
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external/ft8_lib/common/monitor.c
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+2 -2
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@@ -54,8 +54,8 @@ static void waterfall_free(ftx_waterfall_t* me)
void monitor_init(monitor_t* me, const monitor_config_t* cfg)
{
float slot_time = (cfg->protocol == FTX_PROTOCOL_FT4) ? FT4_SLOT_TIME : FT8_SLOT_TIME;
float symbol_period = (cfg->protocol == FTX_PROTOCOL_FT4) ? FT4_SYMBOL_PERIOD : FT8_SYMBOL_PERIOD;
float slot_time = ftx_protocol_slot_time(cfg->protocol);
float symbol_period = ftx_protocol_symbol_period(cfg->protocol);
// Compute DSP parameters that depend on the sample rate
me->block_size = (int)(cfg->sample_rate * symbol_period); // samples corresponding to one FSK symbol
me->subblock_size = me->block_size / cfg->time_osr;