esphome:
  on_boot:
    then:
      - uart.write: 'Hello World'
      - uart.write: [0x00, 0x20, 0x42]
      - uart.write: !lambda |-
          return {0xAA, 0xBB, 0xCC};

uart:
  - id: uart_uart
    tx_pin: 17
    rx_pin: 16
    flow_control_pin: 4
    baud_rate: 9600
    data_bits: 8
    rx_buffer_size: 512
    rx_full_threshold: 10
    rx_timeout: 1
    parity: EVEN
    stop_bits: 2

packet_transport:
  - platform: uart

switch:
  # Test uart switch with single state (array)
  - platform: uart
    name: "UART Switch Single Array"
    uart_id: uart_uart
    data: [0x01, 0x02, 0x03]
  # Test uart switch with single state (string)
  - platform: uart
    name: "UART Switch Single String"
    uart_id: uart_uart
    data: "ON"
  # Test uart switch with turn_on/turn_off (arrays)
  - platform: uart
    name: "UART Switch Dual Array"
    uart_id: uart_uart
    data:
      turn_on: [0xA0, 0xA1, 0xA2]
      turn_off: [0xB0, 0xB1, 0xB2]
  # Test uart switch with turn_on/turn_off (strings)
  - platform: uart
    name: "UART Switch Dual String"
    uart_id: uart_uart
    data:
      turn_on: "TURN_ON"
      turn_off: "TURN_OFF"

number:
  - platform: template
    name: "Test Number"
    id: test_number
    optimistic: true
    min_value: 0
    max_value: 100
    step: 1

button:
  # Test uart button with array data
  - platform: uart
    name: "UART Button Array"
    uart_id: uart_uart
    data: [0xFF, 0xEE, 0xDD]
  # Test uart button with string data
  - platform: uart
    name: "UART Button String"
    uart_id: uart_uart
    data: "BUTTON_PRESS"
  # Test uart button with lambda (function pointer)
  - platform: template
    name: "UART Lambda Test"
    on_press:
      - uart.write: !lambda |-
          std::string cmd = "VALUE=" + str_sprintf("%.0f", id(test_number).state) + "\r\n";
          return std::vector<uint8_t>(cmd.begin(), cmd.end());