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  • amicus18
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Amicus18 review

Former Member
Former Member over 15 years ago

This is reposted from the original road test page...

 

--

 

Mine arrived yesterday. I haven't had  chance to do anything with it beyond unpacking it yet. I am hoping to  have a play over the weekend.

First impression is  the packaging at least is very 'hobbyist'. An inkjet printed cover sheet  wrapped around the board is all the documentation there was. The boards  themselves do look good quality though. There was an Amicus18 itself, a  prototyping companion shield and a set of stackable pin headers for  soldering to the shield. The shield is standard breadboard layout  designed for placing DIP devices along the center.

One  thing I hadn't realised before was that although there are three LEDs  on the board, none are under user control. One is power supply presence  and the other two are send/receive activity from the USB to serial  converter. Given that the two example programs in the hardware manual  are about blinking/PWMing LEDs, it would have been nice to have at least  one available on an I/O port out of the box.

Personally,  I would have loved to have seen a bank of LEDs on the board so that the  state of at least one full port can be immediately seen. This is meant  to be a prototyping/development board and I've found that a stack of  LEDs can be of one the most useful debugging tools available. Plus  flashing lights look cool image.

 

--

 

I tried to  have a play on Sunday. The software installed fine (although the Amicus  website is a little confusing as some bits talk about an IDE, some  about a compiler but it doesn't make it clear that the two are actually  the same thing).

 

I'm  not a great fan of 'thow shalt use our IDE' type products. And this one  really didn't get off to a good start with its colour scheme. I use a  none standard colour scheme (basically white text on a dark background  as I find it is much, much easier on the eyes than the Windows default  white background). Unfortunately, this means I can't read any of the  menus or toolbar text in the IDE because they use my Windows custom text  colour but the IDE's own choice of background colour - white on nearly  white. Also, the syntax highlighting has a limited range of colours  available (there is no custom RGB values option) and doesn't even allow  white let alone something unusual like orange.

 

I  haven't tried writing much code yet so I can't comment too much on how  good an editor the IDE is. Although it definitely has peculiarities  compared to my preferred editor. Not sure I would call it better or  worse than MPLAB's IDE yet. Need to try using it in anger first...

 

Moving  on to the compiler, again there are lots of peculiarities compared to  other languages I use. The last time I used BASIC was a BBC micro, but  even over and above the language itself, it gives the impression someone  deliberately set out to make the syntax as non C-like as possible!

 

More  curiously, it is also very tailored to specific hardware. That is, the  language itself has built in keywords for moving the cursor, drawing  pixels, etc. on two particular LCD controllers (one Samsung, one  Toshiba). There are also slightly more generic commands for using things  like RC5 and Sony remote control protocols. Plus PIC specific commands  for configuring PWM ports and such like. All of which should be very  useful and time saving (as long as you are using the appropriate  hardware).

 

The  real surprise was when I actually tried to plug the board in and try  out some of this funky compiler stuff. It was only then that I realised  the board has a USB host port not a device port. This means you need a  very unusual host to host cable. It seems there was one of these shipped with the board as part of the road test kit. Not sure if you get it as standard if you buy the Amicus18 retail. Alas, I put mine in the drawer when the kit arrived and completely forgot about it by the time I came to play with the board at the weekend! I will post more once I have reunited the cable with the board...

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  • utak3r
    utak3r over 14 years ago

    As of the two drivers - that's pretty normal... have you ever installed any FT232RLFT232RL based virtual COM? It does install two things, too: first, the USB device, and then the virtual COM port, using the first one.

     

    My question to you is: does it allow programming from MPLAB through the USB, or it has to be done with pickit? In other words: does it have some standard bootloader or some kind of its own?

     

    PS.

    If you have troubles with installing unsigned drivers under Win7x64, have a look here: http://www.ngohq.com/home.php?page=dseo

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  • icserny
    icserny over 14 years ago in reply to utak3r

    As far as I know the bootloader is an independent PC application and the source is available here. You need PICkit or other programming tool only for the first time when you program the PIC with the bootloader firmware. It is written in MPASM assembly.

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  • icserny
    icserny over 14 years ago in reply to utak3r

    As far as I know the bootloader is an independent PC application and the source is available here. You need PICkit or other programming tool only for the first time when you program the PIC with the bootloader firmware. It is written in MPASM assembly.

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