Skip to Content
ARM?? Cortex?? M4 Cookbook
book

ARM?? Cortex?? M4 Cookbook

by Mark Fisher, Dr. Mark Fisher
March 2016
Beginner to intermediate
296 pages
6h 34m
English
Packt Publishing
Content preview from ARM?? Cortex?? M4 Cookbook

Writing a driver for the audio codec

The audio codec is a peripheral that enables an analog signal to be converted and coded to a digital data stream or conversely the data stream to be decoded and converted back to an analog signal (https://en.wikipedia.org/wiki/Codec). The MCBSTM32F400 evaluation board uses a CS42L52 device that is manufactured by Cirrus Logic (http://www.cirrus.com/en/products/). As, this codec is not yet included in Board Support, and as no CMSIS-compliant device driver is available, we are faced with the task of having to write our own driver.

However, this is not as daunting as it first appears because the code to set up and manage data transfer across the I2C bus can be lifted from the previous recipe (the Touch_STMPE811.c ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

Advanced Raspberry Pi: Raspbian Linux and GPIO Integration

Advanced Raspberry Pi: Raspbian Linux and GPIO Integration

Warren Gay
Learning Computer Architecture with Raspberry Pi

Learning Computer Architecture with Raspberry Pi

Eben Upton, Jeffrey Duntemann, Ralph Roberts, Tim Mamtora, Ben Everard

Publisher Resources

ISBN: 9781782176503