micheleandCursor
81d404a1df
Introduces Si4684/ADAU1701 drivers, TunerService, FrequencyKHz, SeekDirection, /api/tuner routes without file-scope globals, host tests, and firmware blob tooling (binaries remain gitignored). Co-authored-by: Cursor <cursoragent@cursor.com>
21 lines
826 B
Markdown
21 lines
826 B
Markdown
# DigiRadio — companion-chip firmware assets
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Binary and SigmaStudio exports loaded by the ESP32 at every boot.
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| Directory | Chip | Contents |
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|-----------|------|----------|
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| `ADAU1701-Firmware/` | ADAU1701 SigmaDSP | SigmaStudio export (`DigiRadio_IC_1.h`, …) — RAM program |
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| `Si4684-Firmware/` | Si4684 DAB+/FM tuner | ROM patch + DAB + FM application images (`.bin`) |
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## Si4684 blobs
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`rom_patch_016.bin` and `dab_firmware.bin` are extracted from the
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[PE5PVB SI4684-DAB-Receiver](https://github.com/PE5PVB/SI4684-DAB-Receiver)
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project. `fm_firmware.bin` comes from the Skyworks Si4684 eval firmware pack
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(see `tools/fetch_si4684_firmware.py --si46xx-dir`).
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## ADAU1701 export
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Generated by Analog Devices SigmaStudio for the DigiRadio DSP schematic.
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Loaded on every boot (no self-boot EEPROM on this board).
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