Formatted text with embedded value

ESPHome
1

I’m trying to print a line like:

Last feedt: 677 gm.

printf only takes two agruments, apprently, so this…

it.printf(0, 21, id(arial), "Last feed: %.0f", id(fish_food_hopper).state, "gm");
…doesn’t print the gm part and delivers a warning during compliation.

Is it possible to achieve what I want and still keep spacing correct as the value length changes or do I have to separately print the “gm”?

Additionally, what is a good safe source of fonts? My current test font can’t print a ‘w’!

2

Perhaps you need to ensure fish_food_hopper has a unit_of_measurement of g (or gm if you prefer non standard)

3

Thank you, @nickrout.

Does printf print the units by default? That’ll make things much simpler if so.

4

How about if you try
it.printf(0, 21, id(arial), "Last feed: %.0fgm", id(fish_food_hopper).state);

Otherwise, Arial should be a good choice to cover most characters (I’m using Ubuntu font and it also works for my needs) - did you copy it to “ESPHome” folder inside your config folder and define it like:

font:
  - file: "Arial.ttf"
    id: arial
    size: 14
5

Thanks, @AdmiralStipe.

I’m using an arial font and it prints Ws as an S with grave accent!

This works. I had misunderstood the order and sequence. I appreciate your help.

Yes, that’s where I had it. I’ve changed it to an arial font from my Mac and it’s fine now.

6

Setting the unit for the sensor is having no impact on printf. Why would that be?

sensor:
  - platform: hx711
    name: "Fish food hopper"
    id: fish_food_hopper
    dout_pin: 27
    clk_pin: 26
    filters:
      - calibrate_linear:   
        - 406000 -> 0    
        - 3405000 -> 5000
      - sliding_window_moving_average:    
          window_size: 10    
          send_every: 3
    update_interval: 1.0s
    unit_of_measurement: gm