getting started with uProcesors

tempus fugit skrev:

If you do not know C or assembly, you can use a PICAXE. It is programmed in basic, using a serial cable and some resistors, so inexpensive. Its somewhat slow and limited compared to the real thing though.

For the real thing you need pic programmer, and compiler if its not included with the chip you choose, but I dont know enough about them to give the complete story.

/Jan

They're fun, though there's a bit of a learning curve.

You write a program, compile it to machine code, then send the code to the uP via the programmer. Apply power to the uP and your code runs.

The chips can be $2 or less for a good learner model. The programming hardware can be $20-30 to build your own. A commercial all-in-one hardware/software IDE can be $80-300.

You need:

- a hardware programmer device (commercial or homebrew) it connects to your computer via USB/serial/parport, and you plug your micro into it.

- a code compiler (commercial, shareware or freeware)

- a micro (of course)

There are probably hundreds of code editors/compilers and IDE's available online. C, Assembly Language and Basic are the most popular 'human-readable' languages for uP's.

There are schematics for programmer modules online if you want to build it yourself, but you could encounter compatibility problems mixing Joe's Ultimate Compiler with Steve's Universal Programmer. YMMV.

Me, I chickened out and went commercial; I got the PicKit II from MicroChip. It had the hardware, micro, software AND lots of tutorials and sample programs (Assembly). Easy to install, hooks up to a USB port on my Windows box. I'm sure others will recommend other packages for other micros.

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A good intro can be found:

Another site with programmer can be found:

These are only some examples. There's much, much more on the net.

petrus bitbyter

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Aren't there any programmer software /hardware running on Linux? Regards Zoot

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Wouter van Ooijens Wisp program(mer) is based on Python, so it would run under Linux.

petrus bitbyter

PICs have a large market share, but go to AVRfreaks.net and read a few messages about how great the AVR microcontrollers are and easy to program and on and on.