Bascom-Programming_Microcontrollers_With_Ease.pdf

Claus Kuhnel

BASCOM

Programming of

Microcontrollers with Ease

An Introduction

by Program Examples

BASCOM Programming of Microcontrollers with Ease:

An Introduction by Program Examples

form except by written permission of the author.

All rights of translation reserved.

Publisher and author assume no responsibility for any errors that

may arise from the use of devices and software described in this

book.

Universal Publishers/uPUBLISH.com

USA ¤ 2001

ISBN: 1-58112-671-9

www.upublish.com/books/kuhnel.htm

Preface

The microcontroller market knows some well introduced 8-bit micro-

controller families like Intel's 8051 with its many derivatives from

different manufacturers, Motorola's 6805 and 68HC11, Microchip's

PICmicros and Atmel's AVR.

The 8051 microcontroller family has been well-known over many

years. The development of new derivatives is not finished yet. From

time to time new powerful derivatives are announced.

You will find derivatives from Philips, Dallas, Analog Devices and

Cygnal and others with the known 8051 core but enhanced clock and

peripherals. For example, complete analog-to-digital and digital-to-

analog subsystems were integrated in some chips.

Atmel developed the AVR microcontroller family which is well suited

for high-level language programming and in-system programming.

For all those microcontrollers there is development software ranging

from simple assemblers for DOS to integrated development envi-

ronments for Windows95/98/NT on the market.

Apart from programming environments as they are offered, for ex-

ample, by KEIL, IAR or E-LAB Computer for professional applica-

tions, also the more economical and nonetheless sufficiently

equipped development environments can maintain ground.

BASCOM-8051 and BASCOM-AVR are development environments

built around a powerful BASIC compiler which is suited for project

handling and program development for the 8051 family and its de-

rivatives as well as for the AVR microcontrollers from Atmel.

The programming of microcontrollers using BASCOM-8051 (version

2.0.4.0) and BASCOM-AVR (version 1.11.3.0) will be described in

this book.

Some applications help understand the usage of BASCOM-8051 and

BASCOM-AVR.

Acknowledgement

I should like to thank the following:

•

in the first place, Mark Alberts of MCS Electronics, who developed

the BASCOM programming environment at an outstanding price-

performance ratio,

•

Atmel for the development of the AVR RISC microcontrollers

which introduced new capabilities into the microcontroller families,

•

Christer Johansson of High Tech Horizon, who supports safe

communication of microcontrollers and PC by the development

and free distribution of the S.N.A.P. protocol and the necessary

tools effectively and

•

Lars Wictorsson of LAWICEL for the development of the

CANDIPs, microcontroller modules with CAN interface.

Contents

1 Supported Microcontrollers ............................................................. 9

1.1 8051 Family .............................................................................. 9

1.2 AVR Family............................................................................. 11

2 BASCOM....................................................................................... 23

2.1 BASCOM Demos.................................................................... 23

2.2 BASCOM Commercial Versions............................................. 25

2.3 Update of BASCOM Commercial Versions ............................ 25

2.4 BASCOM Projects .................................................................. 27

2.4.1 Working on Projects ........................................................ 27

2.4.2 BASCOM Options ............................................................ 28

2.5 BASCOM Tools ...................................................................... 37

2.5.1 Simulation ........................................................................ 37

2.5.2 Terminal Emulator ........................................................... 40

2.5.3 LCD Designer .................................................................. 42

2.5.4 Library Manager ............................................................... 46

2.5.5 Programming Devices ..................................................... 50

2.6 Hardware for AVR RISC Microcontroller ................................ 55

2.6.1 DT006 AVR Development Board ..................................... 55

2.6.2 AVR-ALPHA with AT90S2313 ......................................... 56

2.7 Instead of "Hello World".......................................................... 57

2.7.1 AVR.................................................................................. 57

2.7.2 8051 ................................................................................. 58

2.7.3 Things in Common........................................................... 59

2.7.4 Simulation ........................................................................ 64

2.8 BASCOM Help System........................................................... 67

3 Some BASCOM Internals ............................................................. 69

3.1 Building new instructions ........................................................ 69

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