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

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>
2026-03-14 19:49:05 +01:00
parent d547c45a9c
commit ad6aa6aab4
9 changed files with 116 additions and 46 deletions
@@ -34,6 +34,12 @@ void ft8_encode(const uint8_t* payload, uint8_t* tones);
 /// @param[out] tones  - array of FT4_NN (105) bytes to store the generated tones (encoded as 0..3)
 void ft4_encode(const uint8_t* payload, uint8_t* tones);

+/// Generate FT2 tone sequence from payload data.
+/// FT2 uses the FT4 framing with a doubled symbol rate.
+/// @param[in] payload - 10 byte array consisting of 77 bit payload
+/// @param[out] tones  - array of FT2_NN (105) bytes to store the generated tones (encoded as 0..3)
+void ft2_encode(const uint8_t* payload, uint8_t* tones);
+
 #ifdef __cplusplus
 }
 #endif