stdin및 stdout을 사용한 로우 레벨의 문자 I/O구현

기술노트 83040

아키텍처:

MSP430, AVR, AVR32, STM8

컴포넌트:

compiler

업데이트:

2018-02-28 오전 1:47

Introduction

One way to handle character input and output in an application is to use the standard functions defined in stdio.h.

If any of the standard streams are used by your application, for example by the functions printf and scanf, you need to customize the low-level functionality to suit your hardware.

This technote show some ways to do this on some different targets. Some more information can be found in the manuals under the heading "Standard streams for input and output"

Source

In all the examples a terminal connected via a UART is used as target for the communication. This is set at 9600 Baud, 1 stopbit, 8 databits, no flow control and no parity.

Versions

The projects have been built using these versions of IAR Embedded Workbench:

IAR Embedded Workbench for Atmel AVR 5.50.2
IAR Embedded Workbench for Atmel AVR32 3.30.2
IAR Embedded Workbench for TI MSP430 5.10.6
IAR Embedded Workbench for STMicroelectronics STM8 1.20.1

 

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