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4 Programming Guide

IN THIS CHAPTER

· Getting Started

· Code Structure

· A USB Audio Application (walkthrough)

· Adding Custom Code

The following sections provide a guide on how to program the USB audio software

platform including instructions for building and running programs and creating

your own custom USB audio applications.

4.1 Getting Started

To build, select the

app_usb_aud_l1

app_usb_aud_l2

project in the Project Ex-

plorer and click the Build icon.

To install the software, open the XDE (XMOS Development Tools) and follow these

steps:

1. Choose File · Import.

2. Choose General · Existing Projects into Workspace and click Next.

3. Click Browse next to Select archive ﬁle and select the ﬁle ﬁrmware ZIP ﬁle.

Make sure the projects you want to import are ticked in the Projects list. Import

all the components and whichever applications you are interested in.

5. Click Finish.

To build, select the

app_usb_aud_l1

app_usb_aud_l2

project in the Project Ex-

plorer and click the Build icon.

From the command line, you can follow these steps:

1. To install, unzip the package zip.

To build, change into the

app_usb_aud_l1

app_usb_aud_l2

directory and

execute the command:

xmake all

The main Makeﬁle for the project is in the

app_usb_aud_l1

app_usb_aud_l2

direc-

tory. This ﬁle speciﬁes build options and used modules. The Makeﬁle uses the com-

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Request AudioReQuest N.Series Handbuch Seite 43