The holy grail of the BEEP(1400, 0.08) command: USB-HID

[gehakte_bits]

Those pins are correct, but they are in reference to ground, so connect at least ground too.

I cannot share the source code, but here is a good guide:
https://github.com/BoschSensortec/BME68x...tag/v4.4.6
using the floating point algos, cause that is what the Prime does very well.
(Although I see they upped it to v4.4.7)