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:
2026-07-07 09:21:49 +02:00
co-authored by Cursor
parent cd94e36a9d
commit cc4a03168e
31 changed files with 1302 additions and 50 deletions
+14 -2
View File
@@ -15,8 +15,13 @@ SigmaStudio project **DigiRadio**, IC1 = ADAU1701. Shipped with DigiRadio firmwa
## Runtime (fw 0.8.3)
- **Boot:** ESP32 replays `default_download_IC_1()` over I2C via
`adau1701::Adau1701Driver` on every power-up.
- **Boot:** ESP32 replays the active `DspProgram` over I2C via
`adau1701::Adau1701Driver` on every power-up. Source order: valid blob in
the `dsp` flash partition, else the embedded export from this folder
(`EmbeddedDspProgramSource`).
- **Program update:** `POST /api/dsp/program` with a `DRAD` v1 blob (see
`Software/tools/pack_dsp_program.py`). Device reboots and loads the new
script on next boot.
- **Live control:** six-band PEQ, input mixer, master volume, stereo/bass
enhancement overlays — safeload via `audio::AudioService` and REST
`/api/audio/*`; profile persisted in encrypted NVS.
@@ -37,6 +42,13 @@ Parameter map: `components/drivers/adau1701/include/adau1701/Adau1701ParamMap.hp
Do **not** use SigmaStudio *Link Compile Download* on DigiRadio — export only;
the ESP32 programs the DSP at every power-up.
## DRAD v1 blob (flash / HTTP upload)
Layout: magic `DRAD`, version u16 (=1), write count u16, CRC32 (IEEE over
writes section), then for each write: address u16, length u16, data bytes.
Pack from JSON with `Software/tools/pack_dsp_program.py` or use
`core::serializeDspProgramBlob()` in host tests.
## Documentation
- Design: `docs/manual/ch-sigmastudio.tex`
@@ -36,19 +36,14 @@ void sigma_studio_set_device(void* i2cDevHandle);
*
* @param devAddress SigmaStudio device address (0x68 write addr).
* @param address 16-bit target address in DSP memory map.
* @param length Payload length in bytes.
* @param length Payload length in bytes (may exceed 255).
* @param pData Payload bytes.
*/
void SIGMA_WRITE_REGISTER_BLOCK(unsigned char devAddress,
unsigned int address,
unsigned char length,
unsigned int length,
ADI_REG_TYPE* pData);
/**
* @brief Run the DigiRadio SigmaStudio default download sequence.
*/
void adau1701_run_default_download(void);
/** Safeload data register base (0x0810..0x0814). */
#define ADAU1701_SAFELOAD_DATA_BASE 0x0810U
/** Safeload address register base (0x0815..0x0819). */
+3
View File
@@ -34,6 +34,9 @@ idf_component_register(
"src/BroadcastLabel.cpp"
"src/RdsMetadataAccumulator.cpp"
"src/DabDynamicLabelAccumulator.cpp"
"src/DspProgram.cpp"
"src/RegisterWrite.cpp"
"src/DspProgramBlob.cpp"
INCLUDE_DIRS "include"
)
@@ -0,0 +1,61 @@
/**
* @file DspProgram.hpp
* @brief Ordered ADAU1701 RAM download sequence (pure domain).
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#pragma once
#include "core/RegisterWrite.hpp"
#include <vector>
namespace core {
/**
* @brief DspProgram — immutable SigmaStudio download script.
*
* @dname DspProgram
* @return n/a (type)
* @pubstate Owns writes_; built from a validated flash blob or embedded export.
*
* @author Michele Bigi
* @date 2026-07-07
*/
class DspProgram {
public:
/**
* @brief DspProgram — construct from an ordered write list.
*
* @dname DspProgram
* @param writes Non-empty register blocks in replay order.
* @pubstate moves writes into writes_.
*
* @author Michele Bigi
* @date 2026-07-07
*/
explicit DspProgram(std::vector<RegisterWrite> writes);
/**
* @brief writes — read the ordered download steps.
*
* @dname writes
* @return Reference to the internal write vector.
* @pubstate reads writes_.
*
* @author Michele Bigi
* @date 2026-07-07
*/
[[nodiscard]] const std::vector<RegisterWrite>& writes() const noexcept;
private:
std::vector<RegisterWrite> writes_;
};
} // namespace core
@@ -0,0 +1,71 @@
/**
* @file DspProgramBlob.hpp
* @brief Framed ADAU1701 program blob parse/serialise (pure core).
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* Blob layout (v1, little-endian):
* magic[4] = "DRAD", version u16, write_count u16, payload_crc32 u32,
* then for each write: address u16, length u16, data[length].
*
* @author Michele Bigi
* @date 2026-07-07
*/
#pragma once
#include "core/DspProgram.hpp"
#include "core/DspProgramError.hpp"
#include <cstdint>
#include <expected>
#include <span>
#include <string>
#include <vector>
namespace core {
/**
* @brief parseDspProgramBlob — validate and decode a flash/HTTP blob.
*
* @dname parseDspProgramBlob
* @param blob Raw bytes from the dsp partition or POST body.
* @return DspProgram on success, or DspProgramError.
* @pubstate none
*
* @author Michele Bigi
* @date 2026-07-07
*/
[[nodiscard]] std::expected<DspProgram, DspProgramError>
parseDspProgramBlob(std::span<const std::uint8_t> blob);
/**
* @brief serializeDspProgramBlob — encode a program for flash storage.
*
* @dname serializeDspProgramBlob
* @param program Ordered download script.
* @return Framed blob bytes with CRC32.
* @pubstate none
*
* @author Michele Bigi
* @date 2026-07-07
*/
[[nodiscard]] std::vector<std::uint8_t>
serializeDspProgramBlob(const DspProgram& program);
/**
* @brief dspProgramErrorToken — stable API/JSON error string.
*
* @dname dspProgramErrorToken
* @param error Parse or store failure.
* @return Short snake_case token.
* @pubstate none
*
* @author Michele Bigi
* @date 2026-07-07
*/
[[nodiscard]] const char* dspProgramErrorToken(DspProgramError error) noexcept;
} // namespace core
@@ -0,0 +1,38 @@
/**
* @file DspProgramError.hpp
* @brief Failure causes for ADAU1701 program blob parse and load.
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#pragma once
namespace core {
/**
* @brief DspProgramError — ADAU1701 program validation failures.
*
* @dname DspProgramError
* @return n/a (type)
* @pubstate n/a
*
* @author Michele Bigi
* @date 2026-07-07
*/
enum class DspProgramError {
Empty, ///< No bytes supplied.
Truncated, ///< Header or write payload shorter than declared.
InvalidMagic,
UnsupportedVersion,
BadCrc,
TooLarge,
FlashReadFailed,
FlashWriteFailed,
};
} // namespace core
@@ -0,0 +1,50 @@
/**
* @file IDspProgramSource.hpp
* @brief Port for loading an ADAU1701 RAM download program.
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#pragma once
#include "core/DspProgram.hpp"
#include "core/DspProgramError.hpp"
#include <expected>
namespace core {
/**
* @brief IDspProgramSource — supplies DspProgram for Adau1701Driver::boot().
*
* @dname IDspProgramSource
* @return n/a (type)
* @pubstate Implementations live in the adau1701 driver (embedded + flash).
*
* @author Michele Bigi
* @date 2026-07-07
*/
class IDspProgramSource {
public:
virtual ~IDspProgramSource() = default;
/**
* @brief loadProgram — obtain the download script for this boot.
*
* @dname loadProgram
* @return DspProgram on success, or DspProgramError.
* @pubstate none
*
* @author Michele Bigi
* @date 2026-07-07
*/
[[nodiscard]] virtual std::expected<DspProgram, DspProgramError>
loadProgram() = 0;
};
} // namespace core
@@ -0,0 +1,75 @@
/**
* @file RegisterWrite.hpp
* @brief One SigmaStudio SIGMA_WRITE_REGISTER_BLOCK transaction.
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#pragma once
#include <cstdint>
#include <span>
#include <vector>
namespace core {
/**
* @brief RegisterWrite — 16-bit DSP address plus payload bytes.
*
* @dname RegisterWrite
* @return n/a (type)
* @pubstate Owns data_; replayed by Adau1701Driver via SIGMA_WRITE_REGISTER_BLOCK.
*
* @author Michele Bigi
* @date 2026-07-07
*/
class RegisterWrite {
public:
/**
* @brief RegisterWrite — construct one download step.
*
* @dname RegisterWrite
* @param address Target address in the ADAU1701 memory map.
* @param data Payload bytes (may exceed 255; driver chunks I2C).
* @pubstate moves data into data_.
*
* @author Michele Bigi
* @date 2026-07-07
*/
RegisterWrite(std::uint16_t address, std::vector<std::uint8_t> data);
/**
* @brief address — read the 16-bit target address.
*
* @dname address
* @return SigmaStudio register/data address.
* @pubstate reads address_.
*
* @author Michele Bigi
* @date 2026-07-07
*/
[[nodiscard]] std::uint16_t address() const noexcept;
/**
* @brief data — read payload bytes.
*
* @dname data
* @return Immutable byte span of the write payload.
* @pubstate reads data_.
*
* @author Michele Bigi
* @date 2026-07-07
*/
[[nodiscard]] std::span<const std::uint8_t> data() const noexcept;
private:
std::uint16_t address_;
std::vector<std::uint8_t> data_;
};
} // namespace core
@@ -0,0 +1,28 @@
/**
* @file DspProgram.cpp
* @brief DspProgram implementation.
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#include "core/DspProgram.hpp"
namespace core {
DspProgram::DspProgram(std::vector<RegisterWrite> writes)
: writes_(std::move(writes))
{
}
const std::vector<RegisterWrite>& DspProgram::writes() const noexcept
{
return writes_;
}
} // namespace core
@@ -0,0 +1,185 @@
/**
* @file DspProgramBlob.cpp
* @brief DspProgram blob parse/serialise implementation.
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#include "core/DspProgramBlob.hpp"
#include <array>
#include <cstring>
namespace core {
namespace {
constexpr char kMagic[4] = {'D', 'R', 'A', 'D'};
constexpr std::uint16_t kVersion = 1U;
constexpr std::size_t kHeaderSize = 12U;
constexpr std::size_t kMaxBlobSize = 200U * 1024U;
constexpr std::size_t kMaxWriteCount = 32U;
constexpr std::size_t kMaxWritePayload = 16U * 1024U;
[[nodiscard]] std::uint16_t readLe16(const std::uint8_t* p)
{
return static_cast<std::uint16_t>(p[0] | (static_cast<std::uint16_t>(p[1]) << 8));
}
[[nodiscard]] std::uint32_t readLe32(const std::uint8_t* p)
{
return static_cast<std::uint32_t>(p[0])
| (static_cast<std::uint32_t>(p[1]) << 8)
| (static_cast<std::uint32_t>(p[2]) << 16)
| (static_cast<std::uint32_t>(p[3]) << 24);
}
[[nodiscard]] std::uint32_t crc32(std::span<const std::uint8_t> data)
{
std::uint32_t crc = 0xFFFFFFFFU;
for (const std::uint8_t byte : data) {
crc ^= byte;
for (int bit = 0; bit < 8; ++bit) {
const std::uint32_t mask = -(crc & 1U);
crc = (crc >> 1) ^ (0xEDB88320U & mask);
}
}
return ~crc;
}
[[nodiscard]] bool magicMatches(std::span<const std::uint8_t> blob)
{
return blob.size() >= 4U
&& blob[0] == static_cast<std::uint8_t>(kMagic[0])
&& blob[1] == static_cast<std::uint8_t>(kMagic[1])
&& blob[2] == static_cast<std::uint8_t>(kMagic[2])
&& blob[3] == static_cast<std::uint8_t>(kMagic[3]);
}
} // namespace
const char* dspProgramErrorToken(DspProgramError error) noexcept
{
switch (error) {
case DspProgramError::Empty:
return "empty";
case DspProgramError::Truncated:
return "truncated";
case DspProgramError::InvalidMagic:
return "invalid_magic";
case DspProgramError::UnsupportedVersion:
return "unsupported_version";
case DspProgramError::BadCrc:
return "bad_crc";
case DspProgramError::TooLarge:
return "too_large";
case DspProgramError::FlashReadFailed:
return "flash_read_failed";
case DspProgramError::FlashWriteFailed:
return "flash_write_failed";
}
return "unknown";
}
std::expected<DspProgram, DspProgramError>
parseDspProgramBlob(std::span<const std::uint8_t> blob)
{
if (blob.empty()) {
return std::unexpected(DspProgramError::Empty);
}
if (blob.size() > kMaxBlobSize) {
return std::unexpected(DspProgramError::TooLarge);
}
if (blob.size() < kHeaderSize) {
return std::unexpected(DspProgramError::Truncated);
}
if (!magicMatches(blob)) {
return std::unexpected(DspProgramError::InvalidMagic);
}
if (readLe16(blob.data() + 4U) != kVersion) {
return std::unexpected(DspProgramError::UnsupportedVersion);
}
const std::uint16_t writeCount = readLe16(blob.data() + 6U);
const std::uint32_t expectedCrc = readLe32(blob.data() + 8U);
const std::span<const std::uint8_t> payload = blob.subspan(kHeaderSize);
if (writeCount == 0U || writeCount > kMaxWriteCount) {
return std::unexpected(DspProgramError::Truncated);
}
if (crc32(payload) != expectedCrc) {
return std::unexpected(DspProgramError::BadCrc);
}
std::vector<RegisterWrite> writes;
writes.reserve(writeCount);
std::size_t offset = 0U;
for (std::uint16_t index = 0U; index < writeCount; ++index) {
if (offset + 4U > payload.size()) {
return std::unexpected(DspProgramError::Truncated);
}
const std::uint16_t address =
readLe16(payload.data() + offset);
const std::uint16_t length =
readLe16(payload.data() + offset + 2U);
offset += 4U;
if (length == 0U || length > kMaxWritePayload
|| offset + length > payload.size()) {
return std::unexpected(DspProgramError::Truncated);
}
std::vector<std::uint8_t> data(length);
std::memcpy(data.data(), payload.data() + offset, length);
offset += length;
writes.emplace_back(address, std::move(data));
}
if (offset != payload.size()) {
return std::unexpected(DspProgramError::Truncated);
}
return DspProgram(std::move(writes));
}
std::vector<std::uint8_t> serializeDspProgramBlob(const DspProgram& program)
{
std::vector<std::uint8_t> payload;
for (const RegisterWrite& write : program.writes()) {
const auto data = write.data();
payload.push_back(static_cast<std::uint8_t>(write.address() & 0xFFU));
payload.push_back(
static_cast<std::uint8_t>((write.address() >> 8) & 0xFFU));
const std::uint16_t length =
static_cast<std::uint16_t>(data.size());
payload.push_back(static_cast<std::uint8_t>(length & 0xFFU));
payload.push_back(static_cast<std::uint8_t>((length >> 8) & 0xFFU));
payload.insert(payload.end(), data.begin(), data.end());
}
std::vector<std::uint8_t> blob;
blob.reserve(kHeaderSize + payload.size());
blob.insert(blob.end(), kMagic, kMagic + 4);
blob.push_back(static_cast<std::uint8_t>(kVersion & 0xFFU));
blob.push_back(static_cast<std::uint8_t>((kVersion >> 8) & 0xFFU));
const std::uint16_t writeCount =
static_cast<std::uint16_t>(program.writes().size());
blob.push_back(static_cast<std::uint8_t>(writeCount & 0xFFU));
blob.push_back(static_cast<std::uint8_t>((writeCount >> 8) & 0xFFU));
const std::uint32_t payloadCrc = crc32(payload);
blob.push_back(static_cast<std::uint8_t>(payloadCrc & 0xFFU));
blob.push_back(static_cast<std::uint8_t>((payloadCrc >> 8) & 0xFFU));
blob.push_back(static_cast<std::uint8_t>((payloadCrc >> 16) & 0xFFU));
blob.push_back(static_cast<std::uint8_t>((payloadCrc >> 24) & 0xFFU));
blob.insert(blob.end(), payload.begin(), payload.end());
return blob;
}
} // namespace core
@@ -0,0 +1,35 @@
/**
* @file RegisterWrite.cpp
* @brief RegisterWrite implementation.
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#include "core/RegisterWrite.hpp"
namespace core {
RegisterWrite::RegisterWrite(std::uint16_t address,
std::vector<std::uint8_t> data)
: address_(address)
, data_(std::move(data))
{
}
std::uint16_t RegisterWrite::address() const noexcept
{
return address_;
}
std::span<const std::uint8_t> RegisterWrite::data() const noexcept
{
return data_;
}
} // namespace core
@@ -46,11 +46,18 @@ add_library(digiradio_core STATIC
"${CORE_SRC_DIR}/BroadcastLabel.cpp"
"${CORE_SRC_DIR}/RdsMetadataAccumulator.cpp"
"${CORE_SRC_DIR}/DabDynamicLabelAccumulator.cpp"
"${CORE_SRC_DIR}/DspProgram.cpp"
"${CORE_SRC_DIR}/RegisterWrite.cpp"
"${CORE_SRC_DIR}/DspProgramBlob.cpp"
)
target_include_directories(digiradio_core PUBLIC
"${CMAKE_CURRENT_SOURCE_DIR}/../include"
)
add_executable(dsp_program_blob_test dsp_program_blob_test.cpp)
target_link_libraries(dsp_program_blob_test PRIVATE digiradio_core)
add_test(NAME dsp_program_blob_test COMMAND dsp_program_blob_test)
add_executable(device_identity_test device_identity_test.cpp)
target_link_libraries(device_identity_test PRIVATE digiradio_core)
add_test(NAME device_identity_test COMMAND device_identity_test)
@@ -0,0 +1,116 @@
/**
* @file dsp_program_blob_test.cpp
* @brief Host tests for ADAU1701 program blob parse/serialise.
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#include "core/DspProgram.hpp"
#include "core/DspProgramBlob.hpp"
#include "core/DspProgramError.hpp"
#include "core/RegisterWrite.hpp"
#include <cstdlib>
#include <iostream>
#include <vector>
namespace {
[[nodiscard]] core::DspProgram sampleProgram()
{
return core::DspProgram(std::vector<core::RegisterWrite>{
core::RegisterWrite(0x081CU, {0x00U, 0x1CU}),
core::RegisterWrite(0x0400U, std::vector<std::uint8_t>(16U, 0xABU)),
});
}
[[nodiscard]] int runRoundTripTest()
{
const core::DspProgram original = sampleProgram();
const std::vector<std::uint8_t> blob =
core::serializeDspProgramBlob(original);
const auto parsed = core::parseDspProgramBlob(blob);
if (!parsed) {
std::cerr << "round-trip parse failed\n";
return EXIT_FAILURE;
}
if (parsed->writes().size() != original.writes().size()) {
std::cerr << "write count mismatch\n";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
[[nodiscard]] int runEmptyTest()
{
const std::vector<std::uint8_t> empty;
const auto parsed = core::parseDspProgramBlob(empty);
if (parsed || parsed.error() != core::DspProgramError::Empty) {
std::cerr << "expected empty error\n";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
[[nodiscard]] int runTruncatedTest()
{
const std::vector<std::uint8_t> blob = {'D', 'R', 'A', 'D', 1, 0, 1, 0};
const auto parsed = core::parseDspProgramBlob(blob);
if (parsed || parsed.error() != core::DspProgramError::Truncated) {
std::cerr << "expected truncated error\n";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
[[nodiscard]] int runBadCrcTest()
{
std::vector<std::uint8_t> blob = core::serializeDspProgramBlob(sampleProgram());
blob.back() ^= 0xFFU;
const auto parsed = core::parseDspProgramBlob(blob);
if (parsed || parsed.error() != core::DspProgramError::BadCrc) {
std::cerr << "expected bad_crc error\n";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
[[nodiscard]] int runBadMagicTest()
{
std::vector<std::uint8_t> blob = core::serializeDspProgramBlob(sampleProgram());
blob[0] = 'X';
const auto parsed = core::parseDspProgramBlob(blob);
if (parsed || parsed.error() != core::DspProgramError::InvalidMagic) {
std::cerr << "expected invalid_magic error\n";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
} // namespace
int main()
{
if (runRoundTripTest() != EXIT_SUCCESS) {
return EXIT_FAILURE;
}
if (runEmptyTest() != EXIT_SUCCESS) {
return EXIT_FAILURE;
}
if (runTruncatedTest() != EXIT_SUCCESS) {
return EXIT_FAILURE;
}
if (runBadCrcTest() != EXIT_SUCCESS) {
return EXIT_FAILURE;
}
if (runBadMagicTest() != EXIT_SUCCESS) {
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
@@ -4,12 +4,14 @@ idf_component_register(
SRCS
"src/Adau1701Driver.cpp"
"src/Adau1701Dsp.cpp"
"src/EmbeddedDspProgramSource.cpp"
"src/FlashDspProgramSource.cpp"
"src/FallbackDspProgramSource.cpp"
"src/SigmaStudioFW.c"
"src/adau1701_program.c"
INCLUDE_DIRS
"include"
"${ADAU_FW_DIR}"
REQUIRES core driver esp_driver_gpio esp_driver_i2c
REQUIRES core driver esp_driver_gpio esp_driver_i2c esp_partition
)
target_compile_features(${COMPONENT_LIB} PUBLIC cxx_std_23)
@@ -19,6 +19,7 @@
#include "core/EqProfile.hpp"
#include "core/FrequencyHz.hpp"
#include "core/GainDb.hpp"
#include "core/IDspProgramSource.hpp"
#include "core/MixSource.hpp"
#include "core/MixerState.hpp"
@@ -48,10 +49,11 @@ struct Adau1701Pins {
* @brief Adau1701Driver — owns I2C + reset, boot, and safeload runtime.
*
* @dname Adau1701Driver
* @param pins Board wiring for I2C and RESET#.
* @param pins Board wiring for I2C and RESET#.
* @param programSource RAM download script (flash with embedded fallback).
* @return n/a (type)
* @pubstate Owns I2C bus/device handles (RAII). booted_ true after a
* successful default_download replay.
* successful program replay.
*
* Writes the SigmaStudio export from Firmware/ADAU1701-Firmware on every
* boot (no EEPROM self-boot on DigiRadio). Runtime EQ and mixer changes
@@ -63,16 +65,18 @@ struct Adau1701Pins {
class Adau1701Driver {
public:
/**
* @brief Adau1701Driver — construct with board pin map.
* @brief Adau1701Driver — construct with board pin map and program source.
*
* @dname Adau1701Driver
* @param pins SDA/SCL/reset/address configuration.
* @pubstate stores pins_; not booted until boot().
* @param pins SDA/SCL/reset/address configuration.
* @param programSource Download script provider for boot().
* @pubstate stores pins_ and programSource_; not booted until boot().
*
* @author Michele Bigi
* @date 2026-07-06
*/
explicit Adau1701Driver(Adau1701Pins pins);
explicit Adau1701Driver(Adau1701Pins pins,
core::IDspProgramSource& programSource);
/**
* @brief ~Adau1701Driver — release I2C resources.
@@ -222,8 +226,11 @@ private:
unsigned paramAddr, core::GainDb gain);
[[nodiscard]] std::expected<void, Adau1701Error> safeloadFixpoint(
unsigned paramAddr, std::int32_t fixpoint);
[[nodiscard]] std::expected<void, Adau1701Error> replayProgram(
const core::DspProgram& program);
Adau1701Pins pins_;
core::IDspProgramSource& programSource_;
bool booted_;
void* i2cBus_;
void* i2cDev_;
@@ -0,0 +1,45 @@
/**
* @file EmbeddedDspProgramSource.hpp
* @brief IDspProgramSource backed by the compiled SigmaStudio export.
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#pragma once
#include "core/IDspProgramSource.hpp"
namespace adau1701 {
/**
* @brief EmbeddedDspProgramSource — factory default from DigiRadio_IC_1.h.
*
* @dname EmbeddedDspProgramSource
* @return n/a (type)
* @pubstate Builds the same five SIGMA_WRITE steps as default_download_IC_1().
*
* @author Michele Bigi
* @date 2026-07-07
*/
class EmbeddedDspProgramSource : public core::IDspProgramSource {
public:
/**
* @brief loadProgram — return the embedded SigmaStudio download script.
*
* @dname loadProgram
* @return DspProgram mirroring default_download_IC_1().
* @pubstate none
*
* @author Michele Bigi
* @date 2026-07-07
*/
[[nodiscard]] std::expected<core::DspProgram, core::DspProgramError>
loadProgram() override;
};
} // namespace adau1701
@@ -0,0 +1,63 @@
/**
* @file FallbackDspProgramSource.hpp
* @brief Tries flash partition first, then embedded SigmaStudio export.
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#pragma once
#include "core/IDspProgramSource.hpp"
namespace adau1701 {
/**
* @brief FallbackDspProgramSource — flash then embedded program loader.
*
* @dname FallbackDspProgramSource
* @return n/a (type)
* @pubstate Borrows primary and fallback sources for the process lifetime.
*
* @author Michele Bigi
* @date 2026-07-07
*/
class FallbackDspProgramSource : public core::IDspProgramSource {
public:
/**
* @brief FallbackDspProgramSource — wire flash and embedded sources.
*
* @dname FallbackDspProgramSource
* @param primary Usually FlashDspProgramSource.
* @param fallback Usually EmbeddedDspProgramSource.
* @pubstate stores non-owning references.
*
* @author Michele Bigi
* @date 2026-07-07
*/
FallbackDspProgramSource(core::IDspProgramSource& primary,
core::IDspProgramSource& fallback);
/**
* @brief loadProgram — use flash when valid, else embedded export.
*
* @dname loadProgram
* @return DspProgram from primary or fallback.
* @pubstate logs when falling back to embedded.
*
* @author Michele Bigi
* @date 2026-07-07
*/
[[nodiscard]] std::expected<core::DspProgram, core::DspProgramError>
loadProgram() override;
private:
core::IDspProgramSource& primary_;
core::IDspProgramSource& fallback_;
};
} // namespace adau1701
@@ -0,0 +1,62 @@
/**
* @file FlashDspProgramSource.hpp
* @brief IDspProgramSource reading the dsp flash partition.
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#pragma once
#include "core/IDspProgramSource.hpp"
#include <cstdint>
#include <span>
namespace adau1701 {
/**
* @brief FlashDspProgramSource — loads a validated blob from partition dsp.
*
* @dname FlashDspProgramSource
* @return n/a (type)
* @pubstate Uses esp_partition API; empty/erased flash returns Empty.
*
* @author Michele Bigi
* @date 2026-07-07
*/
class FlashDspProgramSource : public core::IDspProgramSource {
public:
/**
* @brief loadProgram — read and parse the dsp data partition.
*
* @dname loadProgram
* @return DspProgram on success, or a parse/flash error.
* @pubstate reads the full partition into RAM once per call.
*
* @author Michele Bigi
* @date 2026-07-07
*/
[[nodiscard]] std::expected<core::DspProgram, core::DspProgramError>
loadProgram() override;
/**
* @brief storeBlob — erase and write a validated blob to partition dsp.
*
* @dname storeBlob
* @param blob Framed program bytes (already validated by caller).
* @return Ok on success, or DspProgramError::FlashWriteFailed.
* @pubstate erases the dsp partition before writing.
*
* @author Michele Bigi
* @date 2026-07-07
*/
[[nodiscard]] static std::expected<void, core::DspProgramError>
storeBlob(std::span<const std::uint8_t> blob);
};
} // namespace adau1701
@@ -16,6 +16,7 @@
#include "adau1701/Adau1701ParamMap.hpp"
#include "core/BiquadDesign.hpp"
#include "core/DspProgram.hpp"
#include "DigiRadio_IC_1_PARAM.h"
#include "SigmaStudioFW.h"
@@ -28,9 +29,6 @@
extern "C" {
/** @brief SigmaStudio default program download (generated C, not part of the C++ API). */
void adau1701_run_default_download(void);
} // extern "C"
namespace adau1701 {
@@ -42,8 +40,10 @@ constexpr int kI2cPort = 0;
constexpr std::uint8_t kFixedHighPassBandIndex = 0U;
} // namespace
Adau1701Driver::Adau1701Driver(Adau1701Pins pins)
Adau1701Driver::Adau1701Driver(Adau1701Pins pins,
core::IDspProgramSource& programSource)
: pins_(pins)
, programSource_(programSource)
, booted_(false)
, i2cBus_(nullptr)
, i2cDev_(nullptr)
@@ -62,6 +62,26 @@ Adau1701Driver::~Adau1701Driver()
}
}
std::expected<void, Adau1701Error> Adau1701Driver::replayProgram(
const core::DspProgram& program)
{
const unsigned char deviceAddr =
static_cast<unsigned char>(pins_.i2cAddr7 << 1);
for (const core::RegisterWrite& write : program.writes()) {
const auto data = write.data();
if (data.empty()) {
return std::unexpected(Adau1701Error::DownloadFailed);
}
SIGMA_WRITE_REGISTER_BLOCK(
deviceAddr,
write.address(),
static_cast<unsigned int>(data.size()),
const_cast<ADI_REG_TYPE*>(
reinterpret_cast<const ADI_REG_TYPE*>(data.data())));
}
return {};
}
std::expected<void, Adau1701Error> Adau1701Driver::boot()
{
if (booted_) {
@@ -110,7 +130,14 @@ std::expected<void, Adau1701Error> Adau1701Driver::boot()
sigma_studio_bind_i2c(kI2cPort, static_cast<unsigned char>(pins_.i2cAddr7));
sigma_studio_set_device(dev);
adau1701_run_default_download();
const auto program = programSource_.loadProgram();
if (!program) {
ESP_LOGE(kTag, "DSP program load failed");
return std::unexpected(Adau1701Error::DownloadFailed);
}
if (auto replay = replayProgram(*program); !replay) {
return replay;
}
booted_ = true;
ESP_LOGI(kTag, "SigmaStudio program loaded");
@@ -0,0 +1,60 @@
/**
* @file EmbeddedDspProgramSource.cpp
* @brief EmbeddedDspProgramSource implementation.
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#include "adau1701/EmbeddedDspProgramSource.hpp"
#include "DigiRadio_IC_1.h"
#include "DigiRadio_IC_1_REG.h"
#include <vector>
namespace adau1701 {
namespace {
[[nodiscard]] std::vector<std::uint8_t> copyBytes(const ADI_REG_TYPE* data,
std::size_t size)
{
return std::vector<std::uint8_t>(
reinterpret_cast<const std::uint8_t*>(data),
reinterpret_cast<const std::uint8_t*>(data) + size);
}
} // namespace
std::expected<core::DspProgram, core::DspProgramError>
EmbeddedDspProgramSource::loadProgram()
{
std::vector<core::RegisterWrite> writes;
writes.reserve(5U);
writes.emplace_back(
static_cast<std::uint16_t>(REG_COREREGISTER_IC_1_ADDR),
copyBytes(R0_COREREGISTER_IC_1_Default, REG_COREREGISTER_IC_1_BYTE));
writes.emplace_back(
static_cast<std::uint16_t>(PROGRAM_ADDR_IC_1),
copyBytes(Program_Data_IC_1, PROGRAM_SIZE_IC_1));
writes.emplace_back(
static_cast<std::uint16_t>(PARAM_ADDR_IC_1),
copyBytes(Param_Data_IC_1, PARAM_SIZE_IC_1));
writes.emplace_back(
static_cast<std::uint16_t>(REG_COREREGISTER_IC_1_ADDR),
copyBytes(R3_HWCONFIGURATION_IC_1_Default, R3_HWCONFIGURATION_IC_1_SIZE));
writes.emplace_back(
static_cast<std::uint16_t>(REG_COREREGISTER_IC_1_ADDR),
copyBytes(R4_COREREGISTER_IC_1_Default, REG_COREREGISTER_IC_1_BYTE));
return core::DspProgram(std::move(writes));
}
} // namespace adau1701
@@ -0,0 +1,44 @@
/**
* @file FallbackDspProgramSource.cpp
* @brief FallbackDspProgramSource implementation.
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#include "adau1701/FallbackDspProgramSource.hpp"
#include "esp_log.h"
namespace adau1701 {
namespace {
constexpr char kTag[] = "DspProgram";
} // namespace
FallbackDspProgramSource::FallbackDspProgramSource(
core::IDspProgramSource& primary,
core::IDspProgramSource& fallback)
: primary_(primary)
, fallback_(fallback)
{
}
std::expected<core::DspProgram, core::DspProgramError>
FallbackDspProgramSource::loadProgram()
{
if (auto primary = primary_.loadProgram(); primary) {
ESP_LOGI(kTag, "using flash DSP program");
return primary;
}
ESP_LOGW(kTag, "flash DSP program unavailable — using embedded export");
return fallback_.loadProgram();
}
} // namespace adau1701
@@ -0,0 +1,88 @@
/**
* @file FlashDspProgramSource.cpp
* @brief FlashDspProgramSource implementation.
*
* DigiRadio firmware — https://github.com/manvalan/DigiRadio
*
* Copyright 2026 Michele Bigi
* SPDX-License-Identifier: Apache-2.0
*
* @author Michele Bigi
* @date 2026-07-07
*/
#include "adau1701/FlashDspProgramSource.hpp"
#include "core/DspProgramBlob.hpp"
#include "esp_log.h"
#include "esp_partition.h"
#include <vector>
namespace adau1701 {
namespace {
constexpr char kTag[] = "FlashDsp";
constexpr std::uint8_t kDspPartitionSubtype = 0x40U;
[[nodiscard]] const esp_partition_t* dspPartition()
{
return esp_partition_find_first(ESP_PARTITION_TYPE_DATA,
kDspPartitionSubtype,
"dsp");
}
[[nodiscard]] bool partitionLooksEmpty(std::span<const std::uint8_t> data)
{
for (const std::uint8_t byte : data) {
if (byte != 0xFFU) {
return false;
}
}
return true;
}
} // namespace
std::expected<core::DspProgram, core::DspProgramError>
FlashDspProgramSource::loadProgram()
{
const esp_partition_t* part = dspPartition();
if (part == nullptr) {
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();
}
+1 -1
View File
@@ -7,7 +7,7 @@ idf_component_register(
"src/NetBootstrap.cpp"
INCLUDE_DIRS "include"
EMBED_FILES "www/index.html.gz"
REQUIRES core esp_wifi esp_netif esp_event nvs_flash esp_http_server mdns secure_store tuner audio bluetooth station integration bt1035
REQUIRES core esp_wifi esp_netif esp_event nvs_flash esp_http_server mdns secure_store tuner audio bluetooth station integration bt1035 adau1701
)
target_compile_features(${COMPONENT_LIB} PUBLIC cxx_std_23)
@@ -22,6 +22,7 @@
#include "core/AudioProfileJson.hpp"
#include "core/BluetoothJson.hpp"
#include "core/CompanionChipStatus.hpp"
#include "core/DspProgramBlob.hpp"
#include "core/FirmwareVersion.hpp"
#include "core/HealthStatus.hpp"
#include "core/HealthStatusJson.hpp"
@@ -37,6 +38,7 @@
#include "bluetooth/BluetoothService.hpp"
#include "station/StationService.hpp"
#include "integration/IntegrationService.hpp"
#include "adau1701/FlashDspProgramSource.hpp"
#include "bt1035/Bt1035Error.hpp"
#include "esp_http_server.h"
@@ -46,7 +48,9 @@
#include "freertos/task.h"
#include <array>
#include <cstdint>
#include <string>
#include <vector>
namespace net {
@@ -667,6 +671,68 @@ esp_err_t wifiPostHandler(httpd_req_t* req)
return ESP_OK;
}
/**
* @brief dspProgramPostHandler — store validated ADAU program blob to flash.
*
* @dname dspProgramPostHandler
* @param req HTTP request handle (raw application/octet-stream body).
* @return ESP_OK on success, or an esp_err_t error code.
* @pubstate writes the dsp partition; schedules reboot to apply on next boot.
*
* @author Michele Bigi
* @date 2026-07-07
*/
esp_err_t dspProgramPostHandler(httpd_req_t* req)
{
constexpr int kMaxBlobSize = 200 * 1024;
const int contentLen = req->content_len;
if (contentLen <= 0 || contentLen > kMaxBlobSize) {
httpd_resp_set_status(req, "413 Payload Too Large");
return httpd_resp_send(req, nullptr, 0);
}
std::vector<std::uint8_t> body(static_cast<std::size_t>(contentLen));
int received = 0;
while (received < contentLen) {
const int chunk = httpd_req_recv(req,
reinterpret_cast<char*>(body.data())
+ received,
contentLen - received);
if (chunk <= 0) {
httpd_resp_set_status(req, "400 Bad Request");
return httpd_resp_send(req, nullptr, 0);
}
received += chunk;
}
const auto parsed = core::parseDspProgramBlob(body);
if (!parsed) {
const std::string json = std::string(R"({"error":")")
+ core::dspProgramErrorToken(parsed.error())
+ R"("})";
httpd_resp_set_status(req, "400 Bad Request");
httpd_resp_set_type(req, "application/json");
return httpd_resp_send(req, json.c_str(), json.size());
}
if (auto stored = adau1701::FlashDspProgramSource::storeBlob(body); !stored) {
const std::string json = std::string(R"({"error":")")
+ core::dspProgramErrorToken(stored.error())
+ R"("})";
httpd_resp_set_status(req, "500 Internal Server Error");
httpd_resp_set_type(req, "application/json");
return httpd_resp_send(req, json.c_str(), json.size());
}
const std::string json =
std::string(R"({"status":"stored","reboot_sec":)")
+ std::to_string(kRebootDelaySec) + "}";
httpd_resp_set_type(req, "application/json");
httpd_resp_send(req, json.c_str(), json.size());
xTaskCreate(rebootTask, "reboot", 2048, nullptr, 5, nullptr);
return ESP_OK;
}
esp_err_t bluetoothStatusGetHandler(httpd_req_t* req)
{
auto* ctx = routeContextFrom(req);
@@ -1108,6 +1174,14 @@ std::expected<void, NetError> SetupWebServer::start(
};
httpd_register_uri_handler(server_, &audioBassEnhanceUri);
const httpd_uri_t dspProgramUri = {
.uri = "/api/dsp/program",
.method = HTTP_POST,
.handler = dspProgramPostHandler,
.user_ctx = routeCtx,
};
httpd_register_uri_handler(server_, &dspProgramUri);
const httpd_uri_t bluetoothStatusUri = {
.uri = "/api/bluetooth/status",
.method = HTTP_GET,
+5 -2
View File
@@ -121,7 +121,7 @@ the DSP program and writes it into RAM after each reset.
\node[step, fill=black!6, below=of rst] (i2c)
{Create I\textsuperscript{2}C master @ 100\,kHz, address 0x34};
\node[step, fill=black!8, below=of i2c] (dl)
{\texttt{default\_download\_IC\_1()} --- control, program, param RAM};
{Replay \texttt{DspProgram} from flash or embedded export};
\node[step, fill=black!6, below=of dl] (ready)
{\texttt{Adau1701Driver::isBooted()} = true};
\node[step, fill=black!10, below=of ready] (prof)
@@ -135,7 +135,10 @@ the DSP program and writes it into RAM after each reset.
\end{figure}
\texttt{SIGMA\_WRITE\_REGISTER\_BLOCK} streams each write in 64-byte I\textsuperscript{2}C
chunks. After download, \texttt{loadAndApply()} restores the saved
chunks (payloads may exceed 255 bytes). The active script comes from the
\texttt{dsp} data partition when a valid \texttt{DRAD} blob is present; otherwise
the embedded SigmaStudio export is used (Section~\ref{sec:api-dsp-program}).
After download, \texttt{loadAndApply()} restores the saved
\texttt{core::AudioProfile} from NVS (or factory defaults) so user settings
survive power cycles without re-writing the whole program.
+20
View File
@@ -225,6 +225,26 @@ the ADAU1701 and writes NVS key \texttt{audio\_profile\_json}.
HTTP status: \textbf{200 OK}; \textbf{400} for parse/validation failures;
\textbf{500} when safeload or NVS persistence fails.
\subsection{\texttt{POST /api/dsp/program}}
\label{sec:api-dsp-program}
Uploads a framed ADAU1701 RAM download blob (\texttt{DRAD} v1, see
\texttt{core::parseDspProgramBlob()}). The body is raw bytes
(\texttt{application/octet-stream} or any content type). On success the blob
is written to the \texttt{dsp} flash partition and the device reboots; the
next boot replays the new program before \texttt{loadAndApply()}.
\begin{drnote}[Success response]
\begin{drcode}[JSON]
{"status":"stored","reboot_sec":3}
\end{drcode}
\end{drnote}
HTTP status: \textbf{200 OK}; \textbf{400} with \texttt{\{"error":"..."\}}
for invalid/truncated/CRC failures; \textbf{413} when the body exceeds
200\,KiB; \textbf{500} on flash write failure. Pack blobs with
\texttt{tools/pack\_dsp\_program.py} or \texttt{core::serializeDspProgramBlob()}.
\subsection{\texttt{POST /api/audio/reset}}
\label{sec:api-audio-reset}
+24
View File
@@ -183,6 +183,30 @@ audio control to safeload I\textsuperscript{2}C transactions without exposing
parameter RAM addresses to services (Chapter~\ref{ch:adau1701},
Section~\ref{sec:adau1701-stack}).
\section{RegisterWrite}\label{cls:RegisterWrite}
One SigmaStudio \texttt{SIGMA\_WRITE\_REGISTER\_BLOCK} step: 16-bit address
plus payload bytes. Aggregated by \texttt{DspProgram}.
\section{DspProgram}\label{cls:DspProgram}
Ordered ADAU1701 RAM download script (pure domain). Parsed from a framed
\texttt{DRAD} flash blob or built by \texttt{EmbeddedDspProgramSource}.
\section{IDspProgramSource}\label{cls:IDspProgramSource}
Port supplying \texttt{DspProgram} to \texttt{Adau1701Driver::boot()}.
Implementations: flash partition, embedded export, and fallback composite.
\section{EmbeddedDspProgramSource}\label{cls:EmbeddedDspProgramSource}
Builds the factory \texttt{DspProgram} from \texttt{DigiRadio\_IC\_1.h}
(five writes matching \texttt{default\_download\_IC\_1()}).
\section{FlashDspProgramSource}\label{cls:FlashDspProgramSource}
Reads and parses the \texttt{dsp} flash partition; \texttt{storeBlob()} erases
and writes a validated blob from \texttt{POST /api/dsp/program}.
\section{FallbackDspProgramSource}\label{cls:FallbackDspProgramSource}
Tries \texttt{FlashDspProgramSource} first, then
\texttt{EmbeddedDspProgramSource} when the partition is empty or invalid.
% ------------------------------------------------------------------
% Domain core — audio (Slice 5)
% ------------------------------------------------------------------
+10 -1
View File
@@ -15,6 +15,9 @@
#include "adau1701/Adau1701Driver.hpp"
#include "adau1701/Adau1701Dsp.hpp"
#include "adau1701/EmbeddedDspProgramSource.hpp"
#include "adau1701/FallbackDspProgramSource.hpp"
#include "adau1701/FlashDspProgramSource.hpp"
#include "audio/AudioService.hpp"
#include "board_pins.hpp"
#include "bt1035/Bt1035Driver.hpp"
@@ -51,13 +54,19 @@ si4684::Si4684Driver gSi4684(
gImages.fmFirmware());
si4684::Si4684Tuner gSi4684Tuner(gSi4684);
adau1701::EmbeddedDspProgramSource gEmbeddedDspProgram;
adau1701::FlashDspProgramSource gFlashDspProgram;
adau1701::FallbackDspProgramSource gDspProgramSource(
gFlashDspProgram, gEmbeddedDspProgram);
adau1701::Adau1701Driver gAdau1701(
adau1701::Adau1701Pins{
.i2cSda = board::pins::Adau1701Sda,
.i2cScl = board::pins::Adau1701Scl,
.resetGpio = board::pins::Adau1701Reset,
.i2cAddr7 = board::pins::Adau1701Addr,
});
},
gDspProgramSource);
adau1701::Adau1701Dsp gAdau1701Dsp(gAdau1701);
secure_store::NvsAudioProfileStore gAudioStore;
audio::AudioService gAudioService(gAdau1701Dsp, &gAudioStore);
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#!/usr/bin/env python3
"""pack_dsp_program.py — build a DRAD v1 ADAU1701 program blob for POST /api/dsp/program.
Reads a JSON file describing SigmaStudio register writes:
[
{"address": 2076, "data": [0, 28]},
{"address": 1024, "data": [0, 0, ...]}
]
Usage:
python3 tools/pack_dsp_program.py writes.json -o dsp_program.bin
"""
from __future__ import annotations
import argparse
import json
import struct
import sys
import zlib
from pathlib import Path
from typing import Any
MAGIC = b"DRAD"
VERSION = 1
def crc32(data: bytes) -> int:
return zlib.crc32(data) & 0xFFFFFFFF
def pack_writes(writes: list[dict[str, Any]]) -> bytes:
payload = bytearray()
for entry in writes:
address = int(entry["address"])
data = bytes(int(x) & 0xFF for x in entry["data"])
if not data:
raise ValueError(f"empty data at address 0x{address:04X}")
payload += struct.pack("<HH", address, len(data))
payload += data
header = bytearray()
header += MAGIC
header += struct.pack("<HH", VERSION, len(writes))
header += struct.pack("<I", crc32(payload))
return bytes(header + payload)
def main() -> int:
parser = argparse.ArgumentParser(description="Pack ADAU1701 DSP program blob")
parser.add_argument("json_file", type=Path, help="JSON array of register writes")
parser.add_argument("-o", "--output", type=Path, required=True, help="Output .bin")
args = parser.parse_args()
writes = json.loads(args.json_file.read_text(encoding="utf-8"))
if not isinstance(writes, list) or not writes:
print("JSON must be a non-empty array", file=sys.stderr)
return 1
blob = pack_writes(writes)
args.output.write_bytes(blob)
print(f"Wrote {len(blob)} bytes to {args.output}")
return 0
if __name__ == "__main__":
raise SystemExit(main())