How To Write A Driver (Audio CODEC & I2C) - Phil’s Lab #142

Audio CODEC basics and configuration via I2C in C using an STM32 microcontroller. PCBs by PCBWay [SUPPORT] Hardware design courses: Course content: Patreon: [GIT] [SOCIAL] [LINKS] STM32 I2S Video: CS4270 Datasheet: Linux CS4270 Driver: DSP Playlist: [TIMESTAMPS] 00:00 Intro & Hardware Overview 02:46 PCBWay 03:17 I2S Signals 05:47 Master/Slave Mode 06:34 Clock Ratios 06:55 CODEC Config Basics 08:56 Hardware Connections 09:24 Typical Config Steps 11:53 Datasheet Walkthrough 16:34 MCU I2S/I2C Config 17:23 Driver Header 19:07 Driver Source (Reset, Register Read/Write) 19:59 Driver Source (Power Settings, Device ID) 24:02 Driver Source (CODEC Config) 29:21 Outro