Is there an existing issue for this problem?

• I have searched the existing issues

What part of EdgeTX is the focus of this bug?

Transmitter firmware

Current Behavior

I encounter a very strange problem drawing a simple line:

    local w = LCD_W;
    local h = LCD_H - 60;
    local cx = w / 2;
    local cy = h / 2 + 30;
    local r_circle = h / 2;
    page:circle({x = cx, y = cy, radius = r_circle });
    page:label({x = 5, y = 5, text = (function() return "V: " .. getValue(widget.options.Src); end)});
    page:line({thickness = 1, color = CYAN, pts = (function()
                local v = getValue(widget.options.Src) * math.pi / 1024;
                local x = r_circle * math.cos(v) + cx;
                local y = r_circle * math.sin(v) + cy;
                return { { cx, cy }, { x, y } };
            end)});

This should draw a circle with a rotating line inside that circle. This fully works in simulator but on radio (x12s) it draw the line only in the second quadrant (of the imaginary coordinate system with origin at the center of the circle). I have complexer examples where only quadrant 1 and 2 are correct. Looks very strange to me. Lines with fixed coordinates work well. Looks this has something to do with the function returning the points table.
On TX16s the line does not rotate at all, it remains at a random position when taking the widget to full-screen

Expected Behavior

The line rotates / draws correctly

Steps To Reproduce

Use the above example

Version

2.11.1

Transmitter

RadioMaster TX16S / TX16SMK2

Operating System (OS)

Linux

OS Version

Arch Linux

Anything else?

No response