uartex: text_sensor does not compile

[The-Werner]

Hi, I just need a text_sensor that displays the strings that I receive via uart. uartex seems to be the way to go, but it does not compile. I copied the block with 'external_components' and 'text_sensor' into my otherwise working code. The error is 'Component text_sensor.uartex requires component uartex.' How can I correct this?
Many thanks in advance, Werner

[eigger]

Could you please share your YAML configuration? Also, have you already configured the uartex component?
https://github.com/eigger/espcomponents/tree/master/components/uartex#core-component

[eigger]

You only need to configure the footer at minimum. What is the protocol format?

[The-Werner]

Selfmade protocol. I control 2 stepper motors for horizontal and vertical axes. H+20. (currently the . ist the footer) lets stepper H move 20 steps. This command goes from the ESP32 to the Arduino that controls the steppers (because I did not find a stepper driver for DM556 controllers for ESPhome). If the Arduino receives a V?. then it shall return the current position of the V-motor.

[The-Werner]

The uart itself is working, I just can't get Arduino's replies from debug to the text_sensor.

uart:
  tx_pin: ${pin_uart_tx}
  rx_pin: ${pin_uart_rx}
  id: uart_bus
  baud_rate: 115200
  debug:
    direction: BOTH
    dummy_receiver: True
    sequence:
      - lambda: |-
          UARTDebug::log_string(direction, bytes);  

uartex:
  uart_id: uart_bus
  rx_footer: [0x0D, 0x0A]
  tx_footer: [0x0D, 0x0A]

text_sensor:
  - platform: uartex
    name: "Schrittmotorpositionen"
    lambda: |-
      if (data[0] == 'H') return "Horiz";
      if (data[0] == 'V') return "Vert";
      return "Unknown";

[eigger]

Make sure dummy_receiver is set to False. When it is True, the debug component captures the UART data, so uartex cannot receive the packets correctly.

[The-Werner]

After a bit of fiddling with other routines - it works. Thanks a lot!