Atomic Audio-3.5 Base

支持以下产品：

Atomic Audio-3.5 Base

以下是 Atomic Audio-3.5 Base 在主控端的详细支持情况：

控制器

Atomic Audio-3.5 Base

Atom Echo

⭕

Atom Lite

✅

Atom Matrix

✅

AtomS3

✅

AtomS3 Lite

✅

AtomS3R

✅

AtomS3R-CAM

✅

AtomS3R-Ext

✅

备注

Atomic Audio-3.5 Base 使用与 Atomic Echo Base 相同的音频 CODEC 与引脚连接。详细使用说明请参考 Atomic Echo Base 文档。

UiFlow2 示例

录制并播放 WAV 文件

在 UiFlow2 中打开 atoms3r_aduio_record_play_example.m5f2 项目。

本示例初始化 Atomic Audio-3.5 Base，按下 BtnA 后录制 5 秒立体声音频到 /flash/res/audio/test.wav，随后播放录制的 WAV 文件。

UiFlow2 代码块：

atoms3r_aduio_record_play_example.png

示例输出：

无

MicroPython 示例

录制并播放 WAV 文件

本示例初始化 Atomic Audio-3.5 Base，按下 BtnA 后录制 5 秒立体声音频到 /flash/res/audio/test.wav，随后播放录制的 WAV 文件。

MicroPython 代码块：

  1# SPDX-FileCopyrightText: 2026 M5Stack Technology CO LTD
  2#
  3# SPDX-License-Identifier: MIT
  4
  5import os, sys, io
  6import M5
  7from M5 import *
  8from hardware import Pin
  9from hardware import I2C
 10from base import AtomicAudio35Base
 11import time
 12
 13
 14label_title = None
 15label_status = None
 16label_tip2 = None
 17label_tip1 = None
 18label_remaining = None
 19i2c0 = None
 20base_audio35 = None
 21record = None
 22playing = None
 23reaming = None
 24RECORD_TIME_MS = None
 25play_start_time = None
 26
 27
 28def btna_was_click_event(state):
 29    global label_title, label_status, label_tip2, label_tip1, label_remaining, i2c0, base_audio35, record, playing, reaming, RECORD_TIME_MS, play_start_time
 30    record = True
 31
 32
 33def setup():
 34    global label_title, label_status, label_tip2, label_tip1, label_remaining, i2c0, base_audio35, record, playing, reaming, RECORD_TIME_MS, play_start_time
 35
 36    M5.begin()
 37    Widgets.fillScreen(0x000000)
 38    label_title = Widgets.Label("Audio", 36, 4, 1.0, 0x18c3df, 0x000000, Widgets.FONTS.DejaVu18)
 39    label_status = Widgets.Label("--", 57, 30, 1.0, 0xffffff, 0x000000, Widgets.FONTS.DejaVu18)
 40    label_tip2 = Widgets.Label("start record", 8, 104, 1.0, 0xffffff, 0x000000, Widgets.FONTS.DejaVu18)
 41    label_tip1 = Widgets.Label("press screen", 5, 82, 1.0, 0xffffff, 0x000000, Widgets.FONTS.DejaVu18)
 42    label_remaining = Widgets.Label("-", 59, 54, 1.0, 0xffffff, 0x000000, Widgets.FONTS.DejaVu24)
 43
 44    BtnA.setCallback(type=BtnA.CB_TYPE.WAS_CLICKED, cb=btna_was_click_event)
 45
 46    i2c0 = I2C(0, scl=Pin(39), sda=Pin(38), freq=400000)
 47    base_audio35 = AtomicAudio35Base(i2c0, 0x18, 1, 16000, 8, 6, 7, 5)
 48    base_audio35.set_volume(60)
 49    base_audio35.tone(888, 100)
 50    record = False
 51    RECORD_TIME_MS = 5000
 52    label_status.setVisible(False)
 53    label_remaining.setVisible(False)
 54
 55
 56def loop():
 57    global label_title, label_status, label_tip2, label_tip1, label_remaining, i2c0, base_audio35, record, playing, reaming, RECORD_TIME_MS, play_start_time
 58    M5.update()
 59    if record:
 60        record = False
 61        time.sleep_ms(200)
 62        label_status.setVisible(True)
 63        label_tip1.setVisible(False)
 64        label_tip2.setVisible(False)
 65        label_status.setText(str('Recording...'))
 66        label_status.setColor(0xcc0000, 0x000000)
 67        label_status.setCursor(x=3, y=45)
 68        base_audio35.record_wav_file('/flash/res/audio/test.wav', rate=16000, bits=16, channel=AtomicAudio35Base.STEREO, duration=RECORD_TIME_MS)
 69        label_status.setText(str('Playing...'))
 70        label_status.setColor(0x009900, 0x000000)
 71        label_status.setCursor(x=16, y=27)
 72        play_start_time = time.ticks_ms()
 73        playing = True
 74        label_remaining.setCursor(x=52, y=70)
 75        label_remaining.setVisible(True)
 76        base_audio35.play_wav_file('/flash/res/audio/test.wav')
 77    if playing:
 78        reaming = RECORD_TIME_MS - (time.ticks_diff((time.ticks_ms()), play_start_time))
 79        label_remaining.setText(str(int(reaming / 1000)))
 80        if (time.ticks_diff((time.ticks_ms()), play_start_time)) >= RECORD_TIME_MS:
 81            playing = False
 82            label_remaining.setVisible(False)
 83            label_status.setVisible(False)
 84            label_tip1.setVisible(True)
 85            label_tip2.setVisible(True)
 86
 87
 88if __name__ == "__main__":
 89    try:
 90        setup()
 91        while True:
 92            loop()
 93    except (Exception, KeyboardInterrupt) as e:
 94        try:
 95            from utility import print_error_msg
 96
 97            print_error_msg(e)
 98        except ImportError:
 99            print("please update to latest firmware")
100

示例输出：

无

API

class AtomicAudio35Base

base.audio35.AtomicAudio35Base

AtomicEchoBase 的别名

AtomicAudio35Base 是 AtomicEchoBase 的别名。详细说明请参考 AtomicEchoBase 类文档。