Arduino Duemilanove/Firmata/Processing issue
hi,
i trying read analog pin processing using firmata (just safe).
i connected voltage divider pin3 , verified ok using different sketch on arduino (println gives me reasonable value: 508).
i uploaded standardfirmata sketch arduino , run it, wrote short processing sketch below (i tried 115200 , 57600 port speed, no change).
arduino.list() gives me reassuring message:
stable library
=========================================
native lib version = rxtx-2.1-7
java lib version = rxtx-2.1-7
i trying read analog pin processing using firmata (just safe).
i connected voltage divider pin3 , verified ok using different sketch on arduino (println gives me reasonable value: 508).
i uploaded standardfirmata sketch arduino , run it, wrote short processing sketch below (i tried 115200 , 57600 port speed, no change).
arduino.list() gives me reassuring message:
stable library
=========================================
native lib version = rxtx-2.1-7
java lib version = rxtx-2.1-7
- "com6"
but see series of 0s, , no apparent tx/rx led blinking on arduino. there known issues duemilanove platform? or (more possible) doing wrong?
thanks in advance, , sorry trivial question!
edo
processing code:
import processing.serial.*;
import cc.arduino.*;
arduino arduino;
int pin3_val;
void setup()
{
println(arduino.list());
arduino = new arduino(this, arduino.list()[0], 57600);
}
void draw()
{
pin3_val = (int) arduino.analogread(3);
println(pin3_val);
delay(1000);
}
i found long thread on issue(s) firmata2.1 has several versions of arduino board. beta7 fix solved problem (so far!). contributors thread!
edo
edo
Arduino Forum > Forum 2005-2010 (read only) > Software > Interfacing > Arduino Duemilanove/Firmata/Processing issue
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