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7-1

Chapter 7

Connecting to I/O Devices

This chapter introduces RTDX and DSP/BIOS techniques for implementing I/O.

In this chapter, you connect a program to an I/O device using RTDX and

DSP/BIOS. You also use the HST, PIP, and SWI modules of the DSP/BIOS API.

This chapter requires a physical board and cannot be carried out using a

software simulator. Also, this chapter requires the DSP/BIOS and RTDX

components of Code Composer Studio.

7.1 Opening and Examining the Project . . . . . . . . . . . . . . . . . . . . . . . . . 7–2

7.2 Reviewing the C Source Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–3

7.3 Reviewing the Signalprog Application . . . . . . . . . . . . . . . . . . . . . . . 7–6

7.4 Running the Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–7

7.5 Modifying the Source Code to Use Host Channels and Pipes . . . 7–10

7.6 More about Host Channels and Pipes . . . . . . . . . . . . . . . . . . . . . . . 7–12

7.7 Adding Channels and an SWI to the Configuration File . . . . . . . . 7–13

7.8 Running the Modified Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–17

7.9 Learning More . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–17

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MATLAB EMBEDDED IDE LINK 4 - FOR USE WITH TEXAS INSTRUMENTS CODE COMPOSER STUDIO Specifiche Pagina 105