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AVR
Demo Program

Bascom-AVR

The Little "rAVeR!" Hardware.

For more Info:
Check out: Bascom-AVR
Check out: Codevision
Check out: Dontronics Atmel page.
Also check out dt006_help.html You will find the raver.bas and other test programs there.

Any PC parallel printer port can be used to program the chip. You will need a DB-25-male to DB-25 female cable with at least pins 2, 4, 5, 11, and 25(Gnd) connected straight through between the DB-25 male and the DB-25 female. Standard DB-25 male to female extension cables that have all 25 wires connected straight through, are fine for this job. We also have suitable cables for this project.

Introduction:

• Instructions for building a  "No Parts AVR Programmer"
• Free windows software to drive it. Just tested on a Pentium III 500Mhz PC.
• If you want to program in QBasic, then you can do that for free for the first 2K bytes. That's enough to program the full memory capacity of the low cost AT90S2313-10-PC 20 pin DIP. This micro has a real UART.
• Simple step by step instructions for both software and hardware.
• In fact this free programmer will program: 90S2313,  90S2323,  90S2343,  90S4414,  90S4434,  90S8515,  90S8535,  90S2333, 90S4433, MEGA603, MEGA103, and ATTINY22.
• You can forget the other toy basic compilers and interpreters. This is the real thing. And as you can program your own micro, you only need purchase blank chips from Dontronics or any other retail outlet of your choice.
• You don't need to learn PBasic or STAMP type languages. The user only needs to know QB or VB.

 
• Please Note *** The 2K code capacity is the only restriction for the demo version. This allows you to fully program the 2313, which is a very powerful Microcontroller in itself, and this "Free Basic Compiler" offer means users having access to the full features of  Bascom-AVR. Many users may never want to go further than this minimal level. For instance, if you are a PIC16F84 Basic language programmer, how much have you spent on programmers and interpreters/compilers? Well, this is zero. Zero dollars for the Compiler, zero dollars for the programmer. This price doesn't include the cable and connectors, and the three optional resistors if fitted.

 
• The ATTINY22 is an 8 pin flash device with 2K of program area, so you can get started programming these tiny devices in QBasic also.
BASCOM-AVR Starter Kit:
• This project is a joint effort between MCS Electronics, and Dontronics, and is a promotional vehicle for both Bascom-Avr and SimmStick. This is the simple cost effective method of getting started in Microcontrollers and programming in the Basic Language. Anyone familiar with QBasic can dive straight in.

 

 
 
 

"rAVeR!"

• The little rAVeR! board is now available, so this project is now done on our our new DT006 SimmStick Board.

But this is a compiler, not an Interpreter, which means it runs at lightning speed by comparison. PICmicros have a divide by 4 clock. AVR's run at 1 instruction per cycle, so a 10Mhz device is running at 10 mips. A similar PICmicro with a 10Mhz clock would be running at 2.5 mips.

The program runs from within the micro, not from a slow external serial EEPROM. There is simply no comparison. You don't need an external serial EEPROM.

This setup is based on the AT90S2313-10-PC 20 pin DIP, 10Mhz, 2K Flash Micro, however most popular Atmel AVR micros can be used. The AT90S2313-10 is a 10 mips device. Unlike the PICmicro chips used in some Basic Interpreters, these micros have real UART's for RS-232 Communications.

BASCOM-AVR is a BASIC compiler for the AVR microprocessor. Instead of an interpreter, you get a real native code compiler.
BASCOM-AVR is not intended as a replacement for the well known and handy to use Stamps but it sure is as simple to use.

BASCOM-AVR is an IDE (Integrated Development Environment) with a multiple file editor, syntax highlighting, terminal emulator and integrated programmer.

Making a program is as simple as:

• Load or write the program
• Press F7 to compile the program
• Press F4 to program the chip
• Watch the serial output(if any) on the terminal emulator (CTRL+T)

The available data types are bit, byte, integer, word, long, single and string.

The integrated simulator is not ready yet but until it is finished (Q1 of 2000) you can use the free Atmel AVR Studio debugger to simulate and debug your program.

The programmer cable is simple to make:
 

DB25maleconnector		DT104 , J5 (If Used)		AVR Micro
Pin 2, D0		Pin 4	MOSI	Pin 17
Pin 4, D2		Pin 8	RESET	Pin 1
Pin 5, D3		Pin 6	CLOCK	Pin 19
Pin 11, busy		Pin 5	MISO	Pin 18
Pin 18-25, ground		Pin 1	GND	Pin 10

Note that pin 18, 19 , 20, 21, 22, 23 , 24 and 25 of the DB25 male connector must be connected to each other.

The simple cable programmer design is from Sample Electronics. To protect your LPT port you can put 330 ohm resistors in series with the MOSI, RESET and CLOCK signals. However, all was tested without these resistors without any problem.

The circuit above shows the connections for a DT104 SimmStick.
The +5V from the target circuit (DT104) is used and should not be connected to the LPT port.
A suitable crystal must be fitted to the DT104 board.

The AVR microprocessors can be programmed repeatedly up to 1000 times!

You can download the DEMO from our website for free. All you need more is a PCB with an AVR microcontroller and a simple LPT connector. In order to get you up and running fast we provide the BASCOM-AVR Starter KIT.

Steps to success

• Download the files bcavrd_1.zip and bcavrd_2.zip from http://www.mcselec.com/download.htm and store them in a temp directory (C:\TEMP for example)
• UNZIP the files with the command PKUNZIP *.ZIP
• Two files will be created : SETUP.EXE and SETUP.W02
• Execute the file SETUP.EXE by entering the name on the DOS prompt or by double clicking on it from Explorer.
• A window will be displayed that suggests that you close all other programs.


Click the Next button.
• Some info about the DEMO will be shown now.


Click the Next button.
• Now you have the option to change the default installation map.


Change it and/or press the Next button.
• Now the SETUP gives you the option to backup the system files. Choose Yes (default)


• Now you will be informed that SETUP is ready to install the files. Once again press the Next button. The files will be copied now and the windows looks like the one below.


• After all files have been installed a final Window will be shown:


Press the Finish button. Now it is important to REBOOT your PC. This will register the used OLE controls.
• Load the DT104.bas file into the editor


• And now we must configure the environment and the compiler options.
• Choose from the Menu Options, Compiler, Chip
• Select the chip 90S2313
• Change the stacksize to 16
• Change the framesize to 30
• Select the Output tab
• Select HEX , DEBUG, BINARY and AVR studio Object File file generation
• Select the Communication tab (of the Compiler tab)
• Select a baudrate. (9600 for example)
• Select the used crystal in your DT104 or DT006. This should be 8000000 Hz. (10000000 Hz. for 10Mhz crystal)
• Select the Communication tab(above)
• Select the COM port you have connected to the DT003 or DT006.(if appropiate)
• And select the baudrate (9600 in our example). Databits should be 8, parity None, stopbits 1 and handshake None. The emulation type can be ANSI for example.
• Select the Programmer tab.
• Choose the Sample Electronics Programmer. And choose from the Parallel tab the right LPT address. For LPT1 this is 378. The autoflash and other options should be turned off to start with.
• Now select the Compiler tab again and press the Default button. Now for each project you start these settings will be used. Press the Ok button to return to the editor.
• Now you can compile the file by pressing F7. When everything is ok, no errors will be shown.
• Now you can press F4 to bring up the programmer window.



Now you can ERASE and program the loaded file to the target chip.
The chip should be recognized automaticly by the programmer. When you have selected another chip in the compiler options you will get a warning. In the helpfile you can learn more about the programmer.
 

• Return to the Options Programmer menu and select the Auto Flash option. Close the Options window to return to the editor. Now when you press F4, the chip will be programmed without showing the programmer window.
• Hey are we forgetting something? Yes we must first make the DT boards and the programmer cable!
• On the next pages, I will describe how to build up the DT boards and the programmer cable.

The parallel port Sample Electronics programmer is described above but for completeness, here are the connections again:

• Connect a wire from the DB25 pin 2 to the J5 connector pin 4
• Connect a wire from the DB25 pin 4 to the J5 connector pin 8
• Connect a wire from the DB25 pin 5 to the J5 connector pin 6
• Connect a wire from the DB25 pin 11 to the J5 connector pin 5
• Connect a wire from the DB25 pin 18 to the J5 connector pin 1
• Connect the pins 18-25 of the DB25 connector to each other
• Optionally use 330 ohm resistors in series with MOSI, RESET and CLOCK

The programmer can be used to program other AVR chips as well. In addition, of course you can create your own PCB or prototype board too. When you are using the Sample Electronics programmer take in mind that a crystal must be connected to most of the AVR chips. (the 8 pin parts are an exception they have a built in RC oscillator).

When you encounter problems or have question please send an email to avrdemo@mcselec.com
Normally we should respond within 24 hours but of course, questions of customers have a higher priority so in the worst case it can take a day more.

Have fun,
Mark Alberts MCS Electronics

The full version Bascom-Avr compiler is just  ($69USD)
This is the best Author supported compiler available today. MCS Electronics already have an excellent track record with their Bascom-8051 compilers, and support groups are firmly established.
 

Bascom-AVR

BASCOM-AVR Price:  ($69USD)

The Little "rAVeR!" Hardware.

http://www.mcselec.com/bascom.htm has details for subscribing to the Bascom Mail list and the archives can be viewed at:  http://www.grote.net/bascom/maillist.html

and in fact you should check out all of the SimmStick info.

  References: Gordon McComb (gmccomb@gmccomb.com) wrote:
: Don McKenzie wrote:
: > Have a look at:
: > http://www.dontronics.com/dt006_programming.html
: > you can program a 40 pin flash chip in Qbasic.
: > This can be the same type of chip that the basic-x is using.

: Don, I've been looking at BASCOM AVR the past few weeks, and this "QBasic" stuff you've mentioned here a few times just doesn't do it justice. Anyone here who has used QBasic may get the wrong idea. Yes,: the syntax is comparable, but the functionality definitely is not!
: Sorta like calling filet mignon a McDonald's hamburger... <g>
I agree - the BASCOM stuff is far more flexible!  Ever hear of creating
ISR's with QBasic? DLC
------------------------------------------------------------

WPPISPgui 

see: http://www.danny-newport.com/Winprogs.html
Author: Danny H. Newport

This program is a gui interface for WPPISP.exe written by Alan Biocca.  His program is a dos program for writing HEX/ROM images to Atmel's 2313 micro after it has been written and compiled from AVR-GCC which is a free
C compiler for AVR chips.  I found that the DT006 board I bought from Dontronics.com wasn't supported directly from the AVR Studio and after compiling a few sample programs, I couldn't get them on the chip until I found 
wppisp.exe from Alan.  So I wrote a windows gui to make it real easy to download the compiled image to the chip after selecting a few things.

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