ESPHome config for Frienhund ACF90W pet feeder (Product: '{"p":"qyilqivtx4uhd5r4","v":"2.1.2","m":0,"n":256}')

frienhund-ACF90W-pet-feeder-esphome.yaml

substitutions:
  device_name: 'Cat Feeder'
  timezone: 'Europe/Madrid'

esphome:
  name: cat-feeder
  comment: 'Frienhund ACF90W pet feeder'
  platformio_options:
    board_build.f_cpu: 80000000L    # 80 MHz
    board_build.flash_mode: dio

esp32:
  variant: esp32c3
  board: esp32-c3-devkitm-1  # ESP-C3-12F
  flash_size: 4MB
  framework:
    type: esp-idf

# network, api, ota, ...

logger:
  level: DEBUG
  baud_rate: 0  # disable logging to the default UART port to avoid occupying it

time: # get time from HASS
  - platform: homeassistant
    id: hass_time
    timezone: '${timezone}'
    on_time:
      - cron: '0 0 8,13,18,23 * * *'
        then:
          - if:
              condition:
                switch.is_on: switch_cron_feeding
              then:
                - button.press: button_manual_feed

uart: # for tuya MCU
  tx_pin: 21
  rx_pin: 20
  baud_rate: 9600
  data_bits: 8
  parity: NONE
  stop_bits: 1

# Tuya datapoints:
# 1: raw, meal plan (https://developer.tuya.com/en/docs/iot/pet-feeder-product-function-definition?id=K9tlinn9lgmrq#title-2-Meal%20Plan)
#      bit 0-7: day of week (0b0000101 means on Friday and Sunday)
#      bit 8-15: hour of day (0-23)
#      bit 16-23: minute (0-59)
#      bit 24-31: servings (1-12)
#      bit 32-39: enabled (0 or 1)
#      Example: 0x0112320c01 represents Sunday+18:50+12 servings+On
# 3: int (1-12), trigger manual feeding by sending the number of servings
# 4: enum, feeder state: 0 standby, 4 feeding, other values unknown
# 10: int, unknown, might be battery percentage
# 14: bitmask (7), fault
# 15: int, last feeding servings (motor rotation count)
# 23: switch, unknown, might be "slow feed"
# Product: '{"p":"qyilqivtx4uhd5r4","v":"2.1.2","m":0,"n":256}'
tuya: # tuya MCU
  time_id: hass_time
  on_datapoint_update:
    - sensor_datapoint: 4
      datapoint_type: enum  # uint8_t
      then:
        - lambda: |-
            ESP_LOGI("tuya", "datapoint 4 updated to: %s", format_hex_pretty(x).c_str());
            switch (x) {
              case 0:
                id(text_sensor_state).publish_state("Standby");
                break;
              case 4:
                id(text_sensor_state).publish_state("Feeding");
                break;
              default:
                id(text_sensor_state).publish_state("Unknown");
            }
            return;

sensor:
  # feeder last feeding servings
  - platform: tuya
    name: '${device_name} Last Feeding Servings'
    id: sensor_last_feeding_servings
    sensor_datapoint: 15
    state_class: MEASUREMENT
    accuracy_decimals: 0

text_sensor:
  - platform: template
    name: '${device_name} State'
    id: text_sensor_state
    update_interval: never

number:
  # DP 4: feeder state
  - platform: tuya
    id: number_feed_state
    number_datapoint: 4
    min_value: 0
    max_value: 4
    step: 1
    internal: true

  # DP 3: trigger manual feeding by sending the number of servings
  - platform: tuya
    id: number_trigger_manual_feed_servings
    number_datapoint: 3
    min_value: 0
    max_value: 12
    step: 1
    internal: true
    datapoint_hidden:
      datapoint_type: int
      restore_value: no

  # configuration number for manual feeding servings, used as input for the feed button, not sent to the MCU
  - platform: template
    name: '${device_name} Manual Feed Servings'
    id: number_config_manual_feed_servings
    mode: BOX
    entity_category: CONFIG
    icon: 'mdi:food-drumstick'
    optimistic: true
    min_value: 1
    max_value: 12
    step: 1
    initial_value: 1
    restore_value: true
    update_interval: never

button:
  # for hard restart
  - platform: restart
    id: button_restart
    name: '${device_name} Restart'
    entity_category: DIAGNOSTIC

  # manual feed button, sends the number of servings from the config number to the MCU, then resets it to 0 after a short delay
  - platform: template
    name: '${device_name} Manual Feed'
    id: button_manual_feed
    on_press:
      - number.set:
          id: number_trigger_manual_feed_servings
          value: !lambda 'return int(id(number_config_manual_feed_servings).state);'
      - number.set:
          id: number_trigger_manual_feed_servings
          value: 0
      # also reset the config number to 1 after feeding
      - number.set:
          id: number_config_manual_feed_servings
          value: 1

switch:
  - platform: template
    name: '${device_name} Cron Feeding'
    id: switch_cron_feeding
    optimistic: true
    restore_mode: RESTORE_DEFAULT_OFF
    entity_category: CONFIG
    icon: 'mdi:calendar-clock'