How To Write A Driver (Audio CODEC & I2C) - Phil's Lab

Опубликовано: 17 Октябрь 2024
на канале: Phil’s Lab

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Audio CODEC basics and configuration via I2C in C using an STM32 microcontroller. PCBs by PCBWay https://www.pcbway.com

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[LINKS]
STM32 + I2S Video:    • STM32 I2S ADC DMA & Double Buffering ...
CS4270 Datasheet: https://statics.cirrus.com/pubs/proDa...
Linux CS4270 Driver: https://github.com/torvalds/linux/blo...
DSP Playlist:    • Real-Time Software Implementation of ...

[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