This video is about USB-C power delivery protocol and how to write small library for stm32 to request desired power.
USB PD library for sinking power - github.com/quasiengineer/stm32g4-tiny-usb-pd-sink
PD Decoder Lite V1.0.1 PC Program - usbchargingblog.wordpress.com/2020/06/24/pd-decoder-lite-v1-0-0-pc-program/
Chapters:
00:00 Intro
01:02 Power delivery layers
01:51 Power delivery simpliest flow for the sink
02:50 Schematic for USB-C connector
03:33 Library to implement power delivery protocol
04:38 Source capabilities
05:17 Demonstration
06:35 Outro