espressif/pwm_audio
uploaded 6 months ago

PWM audio output driver for ESP32 series Socs

readme

[![Component Registry](https://components.espressif.com/components/espressif/pwm_audio/badge.svg)](https://components.espressif.com/components/espressif/pwm_audio) # Component: pwm_audio [documentation](https://docs.espressif.com/projects/espressif-esp-iot-solution/en/latest/audio/pwm_audio.html) The PWM audio function uses the internal LEDC peripheral in ESP32 to generate PWM audio, which does not need an external audio Codec chip. ## Features - Allows any GIPO with output capability as an audio output pin - Supports 8-bit ~ 16-bit PWM resolution - Supports stereo - Supports 8 ～ 48 KHz sampling rate [Here](https://github.com/espressif/esp-iot-solution/tree/master/examples/audio/wav_player) is a simple player example that uses PWM to output audio.

changelog

# ChangeLog ## v1.1.1 - 2023-03-20 ### Bug Fixes: * Disable gptimer in function pwm_audio_stop and pwm_audio_deinit. ## v1.1.0 - 2023-02-20 ### Enhancements: * Support idf release/5.0 * Remove esp32xx_timer_group_struct.h ## v1.1.0 - 2022-06-21 ### Enhancements: * First submit * Support idf release/4.4

Links

Supports all targets

License: Apache-2.0

To add this component to your project, run:

idf.py add-dependency "espressif/pwm_audio^1.1.1"

or download archive

Dependencies

  • espressif/cmake_utilities 0.*
  • ESP-IDF >=4.3

    • Stats

    • Downloaded in total
      Downloaded in total 126 times
    • Downloaded this version
      This version: 57 times

    Badge

    espressif/pwm_audio version: 1.1.1 |
    report abuse