Noob question on I2C

23 Jan 2019

I'm having some difficulties getting the 89BSD pressure sensor to work with the Nucleo STM32L053 board. I'm using this page for reference:

https://www.ccsinfo.com/forum/viewtopic.php?t=54676

Can I ask for some help in explaining what those highlighted snippet of codes is trying to do?

/media/uploads/andycph/code1.jpg

Thanks.