Add updatable ADAU1701 program via flash partition and HTTP API.
Decouple the SigmaStudio RAM download from compiled-in adau1701_program.c: DRAD v1 blobs in the dsp partition with embedded fallback, POST /api/dsp/program, and host-tested blob parse/serialize helpers. Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
@@ -4,12 +4,14 @@ idf_component_register(
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SRCS
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"src/Adau1701Driver.cpp"
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"src/Adau1701Dsp.cpp"
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"src/EmbeddedDspProgramSource.cpp"
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"src/FlashDspProgramSource.cpp"
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"src/FallbackDspProgramSource.cpp"
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"src/SigmaStudioFW.c"
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"src/adau1701_program.c"
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INCLUDE_DIRS
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"include"
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"${ADAU_FW_DIR}"
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REQUIRES core driver esp_driver_gpio esp_driver_i2c
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REQUIRES core driver esp_driver_gpio esp_driver_i2c esp_partition
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)
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target_compile_features(${COMPONENT_LIB} PUBLIC cxx_std_23)
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@@ -19,6 +19,7 @@
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#include "core/EqProfile.hpp"
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#include "core/FrequencyHz.hpp"
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#include "core/GainDb.hpp"
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#include "core/IDspProgramSource.hpp"
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#include "core/MixSource.hpp"
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#include "core/MixerState.hpp"
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@@ -48,10 +49,11 @@ struct Adau1701Pins {
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* @brief Adau1701Driver — owns I2C + reset, boot, and safeload runtime.
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*
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* @dname Adau1701Driver
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* @param pins Board wiring for I2C and RESET#.
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* @param pins Board wiring for I2C and RESET#.
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* @param programSource RAM download script (flash with embedded fallback).
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* @return n/a (type)
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* @pubstate Owns I2C bus/device handles (RAII). booted_ true after a
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* successful default_download replay.
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* successful program replay.
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*
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* Writes the SigmaStudio export from Firmware/ADAU1701-Firmware on every
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* boot (no EEPROM self-boot on DigiRadio). Runtime EQ and mixer changes
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@@ -63,16 +65,18 @@ struct Adau1701Pins {
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class Adau1701Driver {
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public:
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/**
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* @brief Adau1701Driver — construct with board pin map.
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* @brief Adau1701Driver — construct with board pin map and program source.
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*
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* @dname Adau1701Driver
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* @param pins SDA/SCL/reset/address configuration.
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* @pubstate stores pins_; not booted until boot().
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* @param pins SDA/SCL/reset/address configuration.
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* @param programSource Download script provider for boot().
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* @pubstate stores pins_ and programSource_; not booted until boot().
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*
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* @author Michele Bigi
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* @date 2026-07-06
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*/
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explicit Adau1701Driver(Adau1701Pins pins);
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explicit Adau1701Driver(Adau1701Pins pins,
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core::IDspProgramSource& programSource);
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/**
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* @brief ~Adau1701Driver — release I2C resources.
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@@ -222,8 +226,11 @@ private:
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unsigned paramAddr, core::GainDb gain);
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[[nodiscard]] std::expected<void, Adau1701Error> safeloadFixpoint(
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unsigned paramAddr, std::int32_t fixpoint);
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[[nodiscard]] std::expected<void, Adau1701Error> replayProgram(
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const core::DspProgram& program);
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Adau1701Pins pins_;
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core::IDspProgramSource& programSource_;
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bool booted_;
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void* i2cBus_;
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void* i2cDev_;
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@@ -0,0 +1,45 @@
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/**
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* @file EmbeddedDspProgramSource.hpp
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* @brief IDspProgramSource backed by the compiled SigmaStudio export.
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*
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* DigiRadio firmware — https://github.com/manvalan/DigiRadio
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*
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* Copyright 2026 Michele Bigi
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* SPDX-License-Identifier: Apache-2.0
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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#pragma once
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#include "core/IDspProgramSource.hpp"
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namespace adau1701 {
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/**
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* @brief EmbeddedDspProgramSource — factory default from DigiRadio_IC_1.h.
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*
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* @dname EmbeddedDspProgramSource
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* @return n/a (type)
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* @pubstate Builds the same five SIGMA_WRITE steps as default_download_IC_1().
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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class EmbeddedDspProgramSource : public core::IDspProgramSource {
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public:
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/**
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* @brief loadProgram — return the embedded SigmaStudio download script.
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*
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* @dname loadProgram
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* @return DspProgram mirroring default_download_IC_1().
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* @pubstate none
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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[[nodiscard]] std::expected<core::DspProgram, core::DspProgramError>
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loadProgram() override;
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};
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} // namespace adau1701
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@@ -0,0 +1,63 @@
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/**
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* @file FallbackDspProgramSource.hpp
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* @brief Tries flash partition first, then embedded SigmaStudio export.
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*
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* DigiRadio firmware — https://github.com/manvalan/DigiRadio
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*
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* Copyright 2026 Michele Bigi
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* SPDX-License-Identifier: Apache-2.0
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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#pragma once
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#include "core/IDspProgramSource.hpp"
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namespace adau1701 {
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/**
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* @brief FallbackDspProgramSource — flash then embedded program loader.
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*
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* @dname FallbackDspProgramSource
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* @return n/a (type)
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* @pubstate Borrows primary and fallback sources for the process lifetime.
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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class FallbackDspProgramSource : public core::IDspProgramSource {
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public:
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/**
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* @brief FallbackDspProgramSource — wire flash and embedded sources.
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*
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* @dname FallbackDspProgramSource
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* @param primary Usually FlashDspProgramSource.
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* @param fallback Usually EmbeddedDspProgramSource.
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* @pubstate stores non-owning references.
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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FallbackDspProgramSource(core::IDspProgramSource& primary,
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core::IDspProgramSource& fallback);
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/**
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* @brief loadProgram — use flash when valid, else embedded export.
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*
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* @dname loadProgram
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* @return DspProgram from primary or fallback.
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* @pubstate logs when falling back to embedded.
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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[[nodiscard]] std::expected<core::DspProgram, core::DspProgramError>
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loadProgram() override;
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private:
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core::IDspProgramSource& primary_;
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core::IDspProgramSource& fallback_;
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};
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} // namespace adau1701
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@@ -0,0 +1,62 @@
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/**
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* @file FlashDspProgramSource.hpp
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* @brief IDspProgramSource reading the dsp flash partition.
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*
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* DigiRadio firmware — https://github.com/manvalan/DigiRadio
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*
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* Copyright 2026 Michele Bigi
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* SPDX-License-Identifier: Apache-2.0
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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#pragma once
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#include "core/IDspProgramSource.hpp"
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#include <cstdint>
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#include <span>
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namespace adau1701 {
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/**
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* @brief FlashDspProgramSource — loads a validated blob from partition dsp.
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*
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* @dname FlashDspProgramSource
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* @return n/a (type)
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* @pubstate Uses esp_partition API; empty/erased flash returns Empty.
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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class FlashDspProgramSource : public core::IDspProgramSource {
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public:
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/**
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* @brief loadProgram — read and parse the dsp data partition.
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*
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* @dname loadProgram
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* @return DspProgram on success, or a parse/flash error.
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* @pubstate reads the full partition into RAM once per call.
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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[[nodiscard]] std::expected<core::DspProgram, core::DspProgramError>
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loadProgram() override;
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/**
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* @brief storeBlob — erase and write a validated blob to partition dsp.
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*
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* @dname storeBlob
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* @param blob Framed program bytes (already validated by caller).
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* @return Ok on success, or DspProgramError::FlashWriteFailed.
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* @pubstate erases the dsp partition before writing.
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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[[nodiscard]] static std::expected<void, core::DspProgramError>
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storeBlob(std::span<const std::uint8_t> blob);
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};
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} // namespace adau1701
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@@ -16,6 +16,7 @@
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#include "adau1701/Adau1701ParamMap.hpp"
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#include "core/BiquadDesign.hpp"
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#include "core/DspProgram.hpp"
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#include "DigiRadio_IC_1_PARAM.h"
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#include "SigmaStudioFW.h"
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@@ -28,9 +29,6 @@
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extern "C" {
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/** @brief SigmaStudio default program download (generated C, not part of the C++ API). */
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void adau1701_run_default_download(void);
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} // extern "C"
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namespace adau1701 {
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@@ -42,8 +40,10 @@ constexpr int kI2cPort = 0;
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constexpr std::uint8_t kFixedHighPassBandIndex = 0U;
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} // namespace
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Adau1701Driver::Adau1701Driver(Adau1701Pins pins)
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Adau1701Driver::Adau1701Driver(Adau1701Pins pins,
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core::IDspProgramSource& programSource)
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: pins_(pins)
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, programSource_(programSource)
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, booted_(false)
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, i2cBus_(nullptr)
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, i2cDev_(nullptr)
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@@ -62,6 +62,26 @@ Adau1701Driver::~Adau1701Driver()
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}
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}
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std::expected<void, Adau1701Error> Adau1701Driver::replayProgram(
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const core::DspProgram& program)
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{
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const unsigned char deviceAddr =
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static_cast<unsigned char>(pins_.i2cAddr7 << 1);
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for (const core::RegisterWrite& write : program.writes()) {
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const auto data = write.data();
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if (data.empty()) {
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return std::unexpected(Adau1701Error::DownloadFailed);
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}
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SIGMA_WRITE_REGISTER_BLOCK(
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deviceAddr,
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write.address(),
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static_cast<unsigned int>(data.size()),
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const_cast<ADI_REG_TYPE*>(
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reinterpret_cast<const ADI_REG_TYPE*>(data.data())));
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}
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return {};
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}
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std::expected<void, Adau1701Error> Adau1701Driver::boot()
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{
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if (booted_) {
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@@ -110,7 +130,14 @@ std::expected<void, Adau1701Error> Adau1701Driver::boot()
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sigma_studio_bind_i2c(kI2cPort, static_cast<unsigned char>(pins_.i2cAddr7));
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sigma_studio_set_device(dev);
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adau1701_run_default_download();
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const auto program = programSource_.loadProgram();
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if (!program) {
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ESP_LOGE(kTag, "DSP program load failed");
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return std::unexpected(Adau1701Error::DownloadFailed);
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}
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if (auto replay = replayProgram(*program); !replay) {
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return replay;
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}
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booted_ = true;
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ESP_LOGI(kTag, "SigmaStudio program loaded");
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@@ -0,0 +1,60 @@
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/**
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* @file EmbeddedDspProgramSource.cpp
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* @brief EmbeddedDspProgramSource implementation.
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*
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* DigiRadio firmware — https://github.com/manvalan/DigiRadio
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*
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* Copyright 2026 Michele Bigi
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* SPDX-License-Identifier: Apache-2.0
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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#include "adau1701/EmbeddedDspProgramSource.hpp"
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#include "DigiRadio_IC_1.h"
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#include "DigiRadio_IC_1_REG.h"
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#include <vector>
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namespace adau1701 {
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namespace {
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[[nodiscard]] std::vector<std::uint8_t> copyBytes(const ADI_REG_TYPE* data,
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std::size_t size)
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{
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return std::vector<std::uint8_t>(
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reinterpret_cast<const std::uint8_t*>(data),
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reinterpret_cast<const std::uint8_t*>(data) + size);
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}
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} // namespace
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std::expected<core::DspProgram, core::DspProgramError>
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EmbeddedDspProgramSource::loadProgram()
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{
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std::vector<core::RegisterWrite> writes;
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writes.reserve(5U);
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writes.emplace_back(
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static_cast<std::uint16_t>(REG_COREREGISTER_IC_1_ADDR),
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copyBytes(R0_COREREGISTER_IC_1_Default, REG_COREREGISTER_IC_1_BYTE));
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writes.emplace_back(
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static_cast<std::uint16_t>(PROGRAM_ADDR_IC_1),
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copyBytes(Program_Data_IC_1, PROGRAM_SIZE_IC_1));
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writes.emplace_back(
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static_cast<std::uint16_t>(PARAM_ADDR_IC_1),
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copyBytes(Param_Data_IC_1, PARAM_SIZE_IC_1));
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writes.emplace_back(
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static_cast<std::uint16_t>(REG_COREREGISTER_IC_1_ADDR),
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copyBytes(R3_HWCONFIGURATION_IC_1_Default, R3_HWCONFIGURATION_IC_1_SIZE));
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writes.emplace_back(
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static_cast<std::uint16_t>(REG_COREREGISTER_IC_1_ADDR),
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copyBytes(R4_COREREGISTER_IC_1_Default, REG_COREREGISTER_IC_1_BYTE));
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return core::DspProgram(std::move(writes));
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}
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} // namespace adau1701
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@@ -0,0 +1,44 @@
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/**
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* @file FallbackDspProgramSource.cpp
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* @brief FallbackDspProgramSource implementation.
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*
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* DigiRadio firmware — https://github.com/manvalan/DigiRadio
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*
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* Copyright 2026 Michele Bigi
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* SPDX-License-Identifier: Apache-2.0
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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#include "adau1701/FallbackDspProgramSource.hpp"
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#include "esp_log.h"
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namespace adau1701 {
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namespace {
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constexpr char kTag[] = "DspProgram";
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} // namespace
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FallbackDspProgramSource::FallbackDspProgramSource(
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core::IDspProgramSource& primary,
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core::IDspProgramSource& fallback)
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: primary_(primary)
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, fallback_(fallback)
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{
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}
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std::expected<core::DspProgram, core::DspProgramError>
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FallbackDspProgramSource::loadProgram()
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{
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if (auto primary = primary_.loadProgram(); primary) {
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ESP_LOGI(kTag, "using flash DSP program");
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return primary;
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}
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ESP_LOGW(kTag, "flash DSP program unavailable — using embedded export");
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return fallback_.loadProgram();
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}
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} // namespace adau1701
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@@ -0,0 +1,88 @@
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/**
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* @file FlashDspProgramSource.cpp
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* @brief FlashDspProgramSource implementation.
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*
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* DigiRadio firmware — https://github.com/manvalan/DigiRadio
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*
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* Copyright 2026 Michele Bigi
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* SPDX-License-Identifier: Apache-2.0
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*
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* @author Michele Bigi
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* @date 2026-07-07
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*/
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#include "adau1701/FlashDspProgramSource.hpp"
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#include "core/DspProgramBlob.hpp"
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#include "esp_log.h"
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#include "esp_partition.h"
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#include <vector>
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namespace adau1701 {
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namespace {
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constexpr char kTag[] = "FlashDsp";
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constexpr std::uint8_t kDspPartitionSubtype = 0x40U;
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[[nodiscard]] const esp_partition_t* dspPartition()
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{
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return esp_partition_find_first(ESP_PARTITION_TYPE_DATA,
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kDspPartitionSubtype,
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"dsp");
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}
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[[nodiscard]] bool partitionLooksEmpty(std::span<const std::uint8_t> data)
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{
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for (const std::uint8_t byte : data) {
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if (byte != 0xFFU) {
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return false;
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}
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}
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return true;
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}
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} // namespace
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std::expected<core::DspProgram, core::DspProgramError>
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FlashDspProgramSource::loadProgram()
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{
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const esp_partition_t* part = dspPartition();
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if (part == nullptr) {
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ESP_LOGW(kTag, "dsp partition missing");
|
||||
return std::unexpected(core::DspProgramError::FlashReadFailed);
|
||||
}
|
||||
|
||||
std::vector<std::uint8_t> buffer(part->size);
|
||||
if (esp_partition_read(part, 0, buffer.data(), part->size) != ESP_OK) {
|
||||
return std::unexpected(core::DspProgramError::FlashReadFailed);
|
||||
}
|
||||
if (partitionLooksEmpty(buffer)) {
|
||||
return std::unexpected(core::DspProgramError::Empty);
|
||||
}
|
||||
|
||||
return core::parseDspProgramBlob(buffer);
|
||||
}
|
||||
|
||||
std::expected<void, core::DspProgramError>
|
||||
FlashDspProgramSource::storeBlob(std::span<const std::uint8_t> blob)
|
||||
{
|
||||
const esp_partition_t* part = dspPartition();
|
||||
if (part == nullptr || blob.size() > part->size) {
|
||||
return std::unexpected(core::DspProgramError::FlashWriteFailed);
|
||||
}
|
||||
|
||||
if (esp_partition_erase_range(part, 0, part->size) != ESP_OK) {
|
||||
return std::unexpected(core::DspProgramError::FlashWriteFailed);
|
||||
}
|
||||
if (esp_partition_write(part, 0, blob.data(), blob.size()) != ESP_OK) {
|
||||
return std::unexpected(core::DspProgramError::FlashWriteFailed);
|
||||
}
|
||||
|
||||
ESP_LOGI(kTag, "stored %u byte DSP program blob", static_cast<unsigned>(blob.size()));
|
||||
return {};
|
||||
}
|
||||
|
||||
} // namespace adau1701
|
||||
@@ -32,7 +32,7 @@ void sigma_studio_set_device(void* i2cDevHandle)
|
||||
|
||||
void SIGMA_WRITE_REGISTER_BLOCK(unsigned char devAddress,
|
||||
unsigned int address,
|
||||
unsigned char length,
|
||||
unsigned int length,
|
||||
ADI_REG_TYPE* pData)
|
||||
{
|
||||
(void)devAddress;
|
||||
@@ -42,11 +42,11 @@ void SIGMA_WRITE_REGISTER_BLOCK(unsigned char devAddress,
|
||||
|
||||
enum { kChunk = 64U };
|
||||
unsigned int addr = address;
|
||||
unsigned char remaining = length;
|
||||
unsigned int remaining = length;
|
||||
ADI_REG_TYPE* cursor = pData;
|
||||
|
||||
while (remaining > 0U) {
|
||||
const unsigned char chunk =
|
||||
const unsigned int chunk =
|
||||
remaining > kChunk ? kChunk : remaining;
|
||||
unsigned char buf[2U + 64U];
|
||||
buf[0] = (unsigned char)((addr >> 8) & 0xFFU);
|
||||
@@ -55,7 +55,7 @@ void SIGMA_WRITE_REGISTER_BLOCK(unsigned char devAddress,
|
||||
i2c_master_transmit(s_dev, buf, (size_t)(2U + chunk), 1000);
|
||||
addr += chunk;
|
||||
cursor += chunk;
|
||||
remaining = (unsigned char)(remaining - chunk);
|
||||
remaining -= chunk;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -1,20 +0,0 @@
|
||||
/**
|
||||
* @file adau1701_program.c
|
||||
* @brief SigmaStudio default download for DigiRadio ADAU1701.
|
||||
*
|
||||
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
|
||||
*
|
||||
* Copyright 2026 Michele Bigi
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* @author Michele Bigi
|
||||
* @date 2026-07-06
|
||||
*/
|
||||
|
||||
#include "SigmaStudioFW.h"
|
||||
#include "DigiRadio_IC_1.h"
|
||||
|
||||
void adau1701_run_default_download(void)
|
||||
{
|
||||
default_download_IC_1();
|
||||
}
|
||||
Reference in New Issue
Block a user