Chapter 18

Input and Output Software Examples

Abstract

This chapter looks into common tasks in microcontroller projects, such as handling printf message and user inputs. Topics covered include re-targeting and semi-hosting in various tool chains including Keil® MDK-ARM®, IAR EWARM and gcc.

Keywords

Semihosting; retargeting; printf; peripheral; display; printf; ITM; trace; Serial Wire Viewer (SWV)

Chapter Outline

18.1 Producing outputs

In the last few chapters we have demonstrated simple programs that toggle LEDs on a development board ...

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