ESP-IoT-Solution

repository·master·Indexed 25 days ago

https://github.com/espressif/esp-iot-solution

A library of device drivers and software frameworks extending the ESP-IDF for IoT development. It includes components for audio (adc_mic, pwm_audio), video (avi_player, esp-uvc-camera), and Bluetooth (ble_conn_mgr, ble_hci, BTHome, and ble_ota for firmware upgrades), targeting sensors, displays, security, and low-power management.

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What's inside esp-iot-solution

  1. Overview of Bluetooth Alert Notification Service (ANS)

    master

    The Alert Notification Service (ANS) is a Bluetooth Low Energy (BLE) service that exposes alert information from a device. It provides the following data points:

    1. Type of alert: The category of the alert occurring in the device.
    2. Additional text information: Contextual data such as Caller ID or Sender ID.
    3. Count of new alerts: The number of recently received alerts.
    4. Count of unread alert items: The number of alerts that have not yet been read.
  2. Overview of ble_midi functionality

    master

    The ble_midi component provides a C API for implementing BLE-MIDI (Bluetooth Low Energy MIDI) input/output on ESP32 series chips.

    BLE-MIDI GATT Service Details

    • Service UUID: 03B80E5A-EDE8-4B33-A751-6CE34EC4C700
    • MIDI I/O Characteristic UUID: 7772E5DB-3868-4112-A1A9-F2669D106BF3
    • Characteristic Properties: Write Without Response, Notify

    Key Capabilities

    • MIDI Transmission: Supports sending/receiving BLE-MIDI Event Packets (BEP) with 13-bit timestamps.
    • Message Handling: Supports multi-message aggregation via esp_ble_midi_send_multi() and automatic fragmentation/reassembly of SysEx messages (0xF0 to 0xF7).
    • Real-time Messages: Supports interleaved transmission of real-time messages (0xF8 to 0xFF).
  3. Overview of Bluetooth Low Energy (BLE) MIDI Profile

    master
    The BLE MIDI profile enables low-latency, low-power transmission of MIDI (Musical Instrument Digital Interface) messages over Bluetooth Low Energy. It supports standard MIDI messages such as note events, control changes, and system messages. This profile follows the MIDI over BLE specification defined by the MIDI Manufacturers Association (MMA) and the Bluetooth SIG.
  4. Overview of the Alert Notification Profile (ANP)

    master

    The Alert Notification Profile (ANP) enables a client device (such as a smartwatch) to receive specific notifications from a server device (such as a smartphone).

    Supported notification types include:

    • Incoming calls (including Caller ID)
    • Missed calls
    • SMS/MMS messages (including Sender ID, but not the message content)
    • The number of unread messages on the server device.
  5. Overview of ESP-IDF SimpleFOC Component

    master

    The esp_simplefoc component provides Field Oriented Control (FOC) capabilities for motor control on ESP-IDF.

    Key features include:

    • Support for voltage control.
    • Support for Host computer control.
    • Support for multiple motor control (up to 4 motors) with manual or system-driven drive mode selection.
    • Compatibility with SimpleFOC examples.
    • Acceleration of FOC operations using IQMath.
  6. Overview of ESP-IoT-Solution

    master

    ESP-IoT-Solution is a collection of device drivers and code frameworks designed to enhance the capabilities of ESP-IDF. It simplifies IoT system development by providing ready-to-use components for various hardware and software requirements.

    Key contents include:

    • Device Drivers: Support for sensors, displays, audio, input devices, actuators, and more.
    • Frameworks: Implementations for low power management, security, storage, and other core IoT functions.
    • Application Guides: Practical guidance for using Espressif's open-source solutions in real-world applications.
  7. Overview of ESP-GMP

    master

    ESP-GMP is a management protocol core for ESP-IDF. It uses a frame format consisting of a fixed 10-byte header + payload. The protocol is transport-agnostic, meaning it relies on an application-registered transport layer (such as esp_flux, UART, or sockets) to carry its messages.

    Note that ESP-GMP does not handle sub_seq fragmentation or RX reassembly; these responsibilities are delegated to the bound transport layer (e.g., Flux).

  8. Overview of cmake_utilities features

    master

    The cmake_utilities component provides several specialized build-time features for esp-iot-solution projects:

    • project_include.cmake: Adds project-wide features like DIAGNOSTICS_COLOR via automatic parsing.
    • package_manager.cmake: Provides functions to manage component versions.
    • gcc.cmake: Manages GCC compiler options (e.g., LTO) via menuconfig.
    • relinker.cmake: Provides a mechanism to move IRAM functions to flash to conserve RAM space.
    • gen_compressed_ota.cmake: Adds the idf.py gen_compressed_ota command to generate xz compressed OTA binaries.
    • gen_single_bin.cmake: Adds the idf.py gen_single_bin command to generate a single combined binary file (combining app, bootloader, partition table, etc.).
  9. Overview of the LED Indicator component

    master

    The led_indicator component in ESP-IoT-Solution allows you to indicate system operating states using various blinking patterns. Key features include:

    • Multiple Blink Groups: Define different groups of blink types.
    • Priority Management: Define the priority of different blink types.
    • Multi-Indicator Support: Set up and manage multiple indicators simultaneously.
    • Advanced Lighting: Supports adjustable brightness, gradients, and gamma correction (via LEDC and other drivers).
    • LED Strip Support: Supports addressable LED strips like WS2812 and SK6812, offering gradual color transitions (based on color wheel and brightness), brightness transitions, and specific LED index control.
  10. Overview of ESP TinyUF2

    master

    ESP TinyUF2 is an enhanced version of TinyUF2 designed for ESP chips with USB-OTG support. It enables the ESP chip to act as a virtual USB drive, providing several key capabilities:

    • OTA Updates: Perform over-the-air updates via the virtual USB drive.
    • NVS Management: Dump NVS (Non-Volatile Storage) key-value pairs to an .ini file on the virtual USB drive.
    • NVS Modification: Modify the .ini file on the virtual USB drive and write the changes back to the NVS.