Thanks to Smart Home Junkie’s video (invidious link), I had my Atom Echos as voice recognition boxes with all audio output redirected to a media player of my choice (because the audio on the Echo is super quiet).

Whenever ESPHome updated, I updated my Echos to get the recent ESPHome updates, and then reinstalled the custom yaml for audio redirection.

However, with ESPHome’s recent 2024.6.4 update, trying to install the yaml triggers errors that don’t seem to make sense. For example, here’s a section of the yaml:

microphone:
  - platform: i2s_audio
    id: echo_microphone_kitchen
    i2s_din_pin: GPIO23
    adc_type: external
    pdm: true

speaker:
  - platform: i2s_audio
    id: echo_speaker_kitchen
    i2s_dout_pin: GPIO21
    dac_type: external
    mode: mono

voice_assistant:
  id: va
  microphone: echo_microphone_kitchen
  speaker: echo_speaker_kitchen
  noise_suppression_level: 2
  auto_gain: 31dBFS
  volume_multiplier: 2.0
  vad_threshold: 3
  on_listening:
    - light.turn_on:
        id: led
        blue: 100%
        red: 0%
        green: 0%
        effect: "Slow Pulse"
  on_stt_vad_end:
    - light.turn_on:
        id: led
        blue: 100%
        red: 0%
        green: 0%
        effect: "Fast Pulse"
  on_tts_start:
    - light.turn_on:
        id: led
        blue: 100%
        red: 0%
        green: 0%
        brightness: 100%
        effect: none
  on_tts_end:
    - homeassistant.service:
        service: media_player.play_media
        data:
          entity_id: media_player.${media_player}
          media_content_id: !lambda 'return x;'
          media_content_type: music
          announce: "false"
  on_end:
    - delay: 100ms
    - wait_until:
        not:
          speaker.is_playing:
    - script.execute: reset_led
  on_error:
    - light.turn_on:
        id: led
        red: 100%
        green: 0%
        blue: 0%
        brightness: 100%
        effect: none
    - delay: 1s
    - script.execute: reset_led
  on_client_connected:
    - if:
        condition:
          switch.is_on: use_wake_word
        then:
          - voice_assistant.start_continuous:
          - script.execute: reset_led
  on_client_disconnected:
    - if:
        condition:
          switch.is_on: use_wake_word
        then:
          - voice_assistant.stop:
          - light.turn_off: led

external_components:
  - source: github://pr#5230
    components:
      - esp_adf
    refresh: 0s

esp_adf:

On lines 3 and 10 I define unique IDs for the device’s microphone and speaker.

But ESPHome won’t compile, telling me:

  • on line 46: Too many candidates found for ‘id’ type ‘speaker::Speaker’ Some are ‘echo_speaker’, ‘echo_speaker_kitchen’.
  • on line 57: Too many candidates found for ‘id’ type ‘speaker::Speaker’ Some are ‘echo_speaker’, ‘echo_speaker_kitchen’.
  • on line 77: Too many candidates found for ‘id’ type ‘microphone::Microphone’ Some are ‘echo_microphone’, ‘echo_microphone_kitchen’.
  • on line 90: Too many candidates found for ‘id’ type ‘speaker::Speaker’ Some are ‘echo_speaker’, ‘echo_speaker_kitchen’.

There are no other occurrences of the word “speaker” or “microphone” in the conf yaml (and I’m not including other yaml files).

I’m assuming most of this config is default, and the only things I care about are forcing pin 21 for the speaker (line 11) and redirecting audio to my media player (lines 45-52).

  • Mike Wooskey@lemmy.thewooskeys.comOPEnglish
    1·
    5 months ago

    Thanks for the help, @JustEnoughDucks@feddit.nl.

    I copied the yaml you suggested and made 2 changes:

    I changed the i2s_dout_pin from GPIO22 to GPIO21:

    speaker:
  - platform: i2s_audio
    id: echo_speaker
    i2s_dout_pin: GPIO21
    dac_type: external
    mode: mono

    …and added my on_tts_end with the media_player:

      on_tts_end:
    - homeassistant.service:
        service: media_player.play_media
        data:
          entity_id: media_player.${media_player}
          media_content_id: !lambda 'return x;'
          media_content_type: music
          announce: "false"

    This did compile and the audio output from the echo is played on the media_player, but the audio is also played on the Echo itself. Previously, changing the i2s_dout_pin from GPIO22 to GPIO21 prevented the Echo from playing the audio (I think by directing audio data to pin 21, which is not used).

    I’m not sure what you meant here:

    Media player is also a speaker using an arduino library (not compatible with esp_adf as that uses the esp-idf framework and not arduino). If you want to use the media player, you have to get rid of vad_threshold and the esp_adf.

    I tried removing “vad_threshold: 3” and the “esp_adf” component:

    external_components:
  - source: github://pr#5230
    components:
    refresh: 0s
  - source: github://jesserockz/esphome-components
    components: [file]
    refresh: 0s

    …but with the same result: audio plays on both the media_player and the Echo’s speaker.

    Instead of trying to prevent the audio from getting to the Echo’s speaker, is there a way to just turn the Echo’s speaker volume to zero?

    • JustEnoughDucks@feddit.nlEnglish
      1·
      5 months ago

      Sorry, I misunderstood what you are trying to do here. I thought you were trying to use the Atom Echo itself as a media player. Disregard that arduino library comment, it isn’t relevant. I just watched the video since I couldn’t earlier.

      Indeed what you are doing should work. Are you certain that the upload was successful? With GPIO21 set as the speaker output, the speaker data should absolutely not work. The fact that it does means that somewhere along the line, the GPIO22 is set as the speaker output.

      • Mike Wooskey@lemmy.thewooskeys.comOPEnglish
        1·
        5 months ago

        FYI, here’s the config yaml I’m copy-pasting for all my Echos. The only thing that changes are in the “substitutions” section:

        substitutions:
  name: m5stack-echo-kitchen
  friendly_name: M5Stack Atom Echo - Kitchen
  media_player: kitchen_speaker
  encryption_key: !secret kitchen_encryption_key
  speaker_i2s_dout_pin: "GPIO21"

esphome:
  name: ${name}
  name_add_mac_suffix: false
  friendly_name: ${friendly_name}
  project:
    name: m5stack.atom-echo-voice-assistant
    version: "1.0"
  min_version: 2024.6.0

esp32:
  board: m5stack-atom
  framework:
    type: esp-idf

api:
  encryption:
    key: ${encryption_key}

ota:
  - platform: esphome
    id: ota_esphome

dashboard_import:
  package_import_url: github://esphome/firmware/voice-assistant/m5stack-atom-echo.yaml@main

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  on_connect:
    - delay: 5s  # Gives time for improv results to be transmitted
    - ble.disable:
  on_disconnect:
    - ble.enable:
  ap:

improv_serial:

esp32_improv:
  authorizer: none

button:
  - platform: factory_reset
    id: factory_reset_btn
    name: Factory reset

i2s_audio:
  - id: i2s_audio_bus
    i2s_lrclk_pin: GPIO33
    i2s_bclk_pin: GPIO19

microphone:
  - platform: i2s_audio
    id: echo_microphone
    i2s_din_pin: GPIO23
    adc_type: external
    pdm: true

speaker:
  - platform: i2s_audio
    id: echo_speaker
    i2s_dout_pin: ${speaker_i2s_dout_pin}
    dac_type: external
    mode: mono

voice_assistant:
  id: va
  microphone: echo_microphone
  speaker: echo_speaker
  noise_suppression_level: 2
  auto_gain: 31dBFS
  volume_multiplier: 2.0
  on_listening:
    - light.turn_on:
        id: led
        blue: 100%
        red: 0%
        green: 0%
        effect: "Slow Pulse"
  on_stt_vad_end:
    - light.turn_on:
        id: led
        blue: 100%
        red: 0%
        green: 0%
        effect: "Fast Pulse"
  on_tts_start:
    - light.turn_on:
        id: led
        blue: 100%
        red: 0%
        green: 0%
        brightness: 100%
        effect: none
  on_tts_end:
    - homeassistant.service:
        service: media_player.play_media
        data:
          entity_id: media_player.${media_player}
          media_content_id: !lambda 'return x;'
          media_content_type: music
          announce: "false"
  on_end:
    - delay: 100ms
    - wait_until:
        not:
          speaker.is_playing:
    - script.execute: reset_led
  on_error:
    - light.turn_on:
        id: led
        red: 100%
        green: 0%
        blue: 0%
        brightness: 100%
        effect: none
    - delay: 1s
    - script.execute: reset_led
  on_client_connected:
    - if:
        condition:
          switch.is_on: use_wake_word
        then:
          - voice_assistant.start_continuous:
          - script.execute: reset_led
  on_client_disconnected:
    - if:
        condition:
          switch.is_on: use_wake_word
        then:
          - voice_assistant.stop:
          - light.turn_off: led
  on_timer_finished:
    - voice_assistant.stop:
    - switch.turn_on: timer_ringing
    - wait_until:
        not:
          microphone.is_capturing:
    - light.turn_on:
        id: led
        red: 0%
        green: 100%
        blue: 0%
        brightness: 100%
        effect: "Fast Pulse"
    - while:
        condition:
          switch.is_on: timer_ringing
        then:
          - lambda: id(echo_speaker).play(id(timer_finished_wave_file), sizeof(id(timer_finished_wave_file)));
          - delay: 1s
    - wait_until:
        not:
          speaker.is_playing:
    - light.turn_off: led
    - switch.turn_off: timer_ringing
    - if:
        condition:
          switch.is_on: use_wake_word
        then:
          - voice_assistant.start_continuous:
          - script.execute: reset_led

binary_sensor:
  - platform: gpio
    pin:
      number: GPIO39
      inverted: true
    name: Button
    disabled_by_default: true
    entity_category: diagnostic
    id: echo_button
    on_multi_click:
      - timing:
          - ON for at least 50ms
          - OFF for at least 50ms
        then:
          - if:
              condition:
                switch.is_on: timer_ringing
              then:
                - switch.turn_off: timer_ringing
              else:
                - if:
                    condition:
                      switch.is_off: use_wake_word
                    then:
                      - if:
                          condition: voice_assistant.is_running
                          then:
                            - voice_assistant.stop:
                            - script.execute: reset_led
                          else:
                            - voice_assistant.start:
                    else:
                      - voice_assistant.stop
                      - delay: 1s
                      - script.execute: reset_led
                      - script.wait: reset_led
                      - voice_assistant.start_continuous:
      - timing:
          - ON for at least 10s
        then:
          - button.press: factory_reset_btn

light:
  - platform: esp32_rmt_led_strip
    id: led
    name: None
    disabled_by_default: true
    entity_category: config
    pin: GPIO27
    default_transition_length: 0s
    chipset: SK6812
    num_leds: 1
    rgb_order: grb
    rmt_channel: 0
    effects:
      - pulse:
          name: "Slow Pulse"
          transition_length: 250ms
          update_interval: 250ms
          min_brightness: 50%
          max_brightness: 100%
      - pulse:
          name: "Fast Pulse"
          transition_length: 100ms
          update_interval: 100ms
          min_brightness: 50%
          max_brightness: 100%

script:
  - id: reset_led
    then:
      - if:
          condition:
            - switch.is_on: use_wake_word
            - switch.is_on: use_listen_light
          then:
            - light.turn_on:
                id: led
                red: 100%
                green: 89%
                blue: 71%
                brightness: 60%
                effect: none
          else:
            - light.turn_off: led

switch:
  - platform: template
    name: Use wake word
    id: use_wake_word
    optimistic: true
    restore_mode: RESTORE_DEFAULT_ON
    entity_category: config
    on_turn_on:
      - lambda: id(va).set_use_wake_word(true);
      - if:
          condition:
            not:
              - voice_assistant.is_running
          then:
            - voice_assistant.start_continuous
      - script.execute: reset_led
    on_turn_off:
      - voice_assistant.stop
      - lambda: id(va).set_use_wake_word(false);
      - script.execute: reset_led
  - platform: template
    name: Use listen light
    id: use_listen_light
    optimistic: true
    restore_mode: RESTORE_DEFAULT_ON
    entity_category: config
    on_turn_on:
      - script.execute: reset_led
    on_turn_off:
      - script.execute: reset_led
  - platform: template
    id: timer_ringing
    optimistic: true
    internal: true
    restore_mode: ALWAYS_OFF
    on_turn_on:
      - delay: 15min
      - switch.turn_off: timer_ringing

external_components:
  - source: github://pr#5230
    components:
    refresh: 0s
  - source: github://jesserockz/esphome-components
    components: [file]
    refresh: 0s

file:
  - id: timer_finished_wave_file
    file: https://github.com/esphome/firmware/raw/main/voice-assistant/sounds/timer_finished.wav

logger:
      • Mike Wooskey@lemmy.thewooskeys.comOPEnglish
        1·
        5 months ago

        (sorry about my delayed response, @JustEnoughDucks@feddit.nl )

        I’m sure that the install is successful because there are no errors during/after install, the Echo recognizes speech and interacts with Home Assistant, and when I change something in the yaml (e.g., which media player to pipe the audio to) the change takes effect.

        Here’s something weird: I believe the default pin for “speaker” should be GPIO22, and when I switch it to GPIO21 it should not work. This works on some of my Echos, but not all of them!

        Also weird: I think the standard pinout is:

        • GPIO0: Button (Boot)
        • GPIO19: LED (RGB)
        • GPIO21: I2C SDA
        • GPIO22: I2C SCL
        • GPIO23: Speaker (PWM output)
        • GPIO25: Microphone (Analog input)

        Though I don’t know what these mean, I tried setting “speaker” to GPIO18 - which apparently isn’t used- and still the audio comes out of the Echo speaker! But again, only on some of my Echos.

        I’d think that maybe some of these Echos are ignoring the GPIO setting for “speaker” and using a default, but these Echos used to work! (that is, they used to not play audio out of the Echo speaker when “speaker” was GPIO21). And so I want to think that maybe the ESPHome upgrade made them stop working, but all my Echos have the same upgrade and yet still some of them work.

        Is there a way to config the Echo speaker to have zero volume? If so, I could just set that and then who cares if the audio is piped to it.

      • Mike Wooskey@lemmy.thewooskeys.comOPEnglish
        1·
        4 months ago

        Well, I wasn’t able to figure this out and was just living with duplicate audio coming from the echo and the media player mostly simultaneously. But today I upgraded ESPHome from 2024.6.6 to 2024.7.0 and the problem is gone. Sheesh! :)