R: R: R: [PD] Arduino

B. Bogart ben at ekran.org
Wed Aug 30 19:23:35 CEST 2006


Hi David,

I'll try and test this today, would it work if I connected the same
sensor to all the analog ins? I don't have enough space on my board for
8 voltage dividers!

.b.

Davide Morelli wrote:
> 
>> Which version are you using?  There was some bugs in the 
>> past, for sure.  I think I got the analogs in, digital outs, 
>> and digital ins all working now.  The latest version broke 
>> the hardware PWM control, but we are also adding software PWM 
>> support.  Try the latest versions in CVS:  externals/hardware/arduino.
> 
> I did "cvs update" on 28th August, right before compiling.
> 
> Have you tried the firmware with more than 3 analog inputs?
> 
> if yes then I'll try your firmware again, maybe i messed something up...
> 
>> As for adding the pin number, I think its redundant, you can 
>> just use a header byte (255) then byte order to determine pin 
>> #, and that will save you 5 bytes per cycle (12 bytes versus 
>> 7 bytes).  Part of the goal of the Pduino firmware is to make 
>> is communicate as fast as possible so that people can make 
>> usable instruments with it, and make snappy interactions.  
>> There are a number of strange things in the firmware the 
>> arise because of this.
>>
> 
> yes, you're right, the pin number is redundant, I used it just to debug. I
> didn't meant that you should use it in Pduino, it was just an example of
> working firmware..
> 
> ciao,
> davide.
> 





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