HI, I have no arduino one hand, you could try installing the latest Arduino IDE, is for the UNO plate.
I noticed that in 2.1 are defined Firmat chipset ATMEGA xxx in the file named firmata.h chipsets there are defined outputs and inputs, not sure, but could include a chip or model, remember that the FTDI system but not necessary with an Arduino UNO.

The Uno differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the Atmega8U2 programmed as a USB-to-serial converter. (arduino.cc)

Below define of plates, chips and inputs/outputs

Try de solutions and keep working

José

==============================================================================
* MACROS
*============================================================================*/

/* shortcut for setFirmwareNameAndVersion() that uses __FILE__ to set the
* firmware name. It needs to be a macro so that __FILE__ is included in the
* firmware source file rather than the library source file.
*/
#define setFirmwareVersion(x, y)   setFirmwareNameAndVersion(__FILE__, x, y)

// total number of pins currently supported
#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__) // Arduino NG and Diecimila
#define TOTAL_ANALOG_PINS       8
#define TOTAL_DIGITAL_PINS      22 // 14 digital + 8 analog
#define TOTAL_PORTS             3 // total number of ports for the board
#define ANALOG_PORT             2 // port# of analog used as digital
#define FIRST_ANALOG_PIN        14 // pin# corresponding to analog 0
#define VERSION_BLINK_PIN       13 // digital pin to blink version on
#define FIRST_SERVO_PIN         2 // pin# of the first servo pin
#elif defined(__AVR_ATmega8__) // old Arduinos
#define TOTAL_ANALOG_PINS       6
#define TOTAL_DIGITAL_PINS      20 // 14 digital + 6 analog
#define TOTAL_PORTS             3 // total number of ports for the board
#define ANALOG_PORT             2 // port# of analog used as digital
#define FIRST_ANALOG_PIN        14 // pin# corresponding to analog 0
#define VERSION_BLINK_PIN       13 // digital pin to blink version on
#define FIRST_SERVO_PIN         2 // pin# of the first servo pin
#elif defined(__AVR_ATmega1280__)// Arduino Mega
#define TOTAL_ANALOG_PINS       16
#define TOTAL_DIGITAL_PINS      70 // 54 digital + 16 analog
#define TOTAL_PORTS             9 // total number of ports for the board
#define ANALOG_PORT             8 // port# of analog used as digital
#define FIRST_ANALOG_PIN        54 // pin# corresponding to analog 0
#define VERSION_BLINK_PIN       13 // digital pin to blink version on
#define FIRST_SERVO_PIN         2 // pin# of the first servo pin
#elif defined(__AVR_ATmega128__)// Wiring
#define TOTAL_ANALOG_PINS       8
#define TOTAL_DIGITAL_PINS      51
#define TOTAL_PORTS             7 // total number of ports for the board
#define ANALOG_PORT             5 // port# of analog used as digital
#define FIRST_ANALOG_PIN        40 // pin# corresponding to analog 0
#define VERSION_BLINK_PIN       48 // digital pin to blink version on
#define FIRST_SERVO_PIN         8 // pin# of the first servo pin
#elif defined(__AVR_AT90USB162__) // Teensy
#define TOTAL_ANALOG_PINS       0
#define TOTAL_DIGITAL_PINS      21 // 21 digital + no analog
#define TOTAL_PORTS             4 // total number of ports for the board
#define ANALOG_PORT             3 // port# of analog used as digital
#define FIRST_ANALOG_PIN        21 // pin# corresponding to analog 0
#define VERSION_BLINK_PIN       6 // digital pin to blink version on
#elif defined(__AVR_ATmega32U4__) // Teensy
#define TOTAL_ANALOG_PINS       12
#define TOTAL_DIGITAL_PINS      25 // 11 digital + 12 analog
#define TOTAL_PORTS             4 // total number of ports for the board
#define ANALOG_PORT             3 // port# of analog used as digital
#define FIRST_ANALOG_PIN        11 // pin# corresponding to analog 0
#define VERSION_BLINK_PIN       11 // digital pin to blink version on
#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__) // Teensy++
#define TOTAL_ANALOG_PINS       8
#define TOTAL_DIGITAL_PINS      46 // 38 digital + 8 analog
#define TOTAL_PORTS             6 // total number of ports for the board
#define ANALOG_PORT             5 // port# of analog used as digital
#define FIRST_ANALOG_PIN        38 // pin# corresponding to analog 0
#define VERSION_BLINK_PIN       6 // digital pin to blink version on
#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__) // Sanguino
#define TOTAL_ANALOG_PINS       8
#define TOTAL_DIGITAL_PINS      32 // 24 digital + 8 analog
#define TOTAL_PORTS             4 // total number of ports for the board
#define ANALOG_PORT             3 // port# of analog used as digital
#define FIRST_ANALOG_PIN        24 // pin# corresponding to analog 0
#define VERSION_BLINK_PIN       0 // digital pin to blink version on
#elif defined(__AVR_ATmega645__) // Illuminato
#define TOTAL_ANALOG_PINS       6
#define TOTAL_DIGITAL_PINS      42 // 36 digital + 6 analog
#define TOTAL_PORTS             6 // total number of ports for the board
#define ANALOG_PORT             4 // port# of analog used as digital
#define FIRST_ANALOG_PIN        36 // pin# corresponding to analog 0
#define VERSION_BLINK_PIN       13 // digital pin to blink version on
#else // anything else
#define TOTAL_ANALOG_PINS       6
#define TOTAL_DIGITAL_PINS      14
#define TOTAL_PORTS             3 // total number of ports for the board
#define ANALOG_PORT             2 // port# of analog used as digital
#define FIRST_ANALOG_PIN        14 // pin# corresponding to analog 0
#define VERSION_BLINK_PIN       13 // digital pin to blink version on
#endif

#endif /* Firmata_h */

2010/10/18 tim vets <timvets@gmail.com>

from http://arduino.cc/en/Main/Hardware :

"It is similar to the Duemilanove, but has a different USB-to-serial chip the ATMega8U2"

may have something to do with it...?
gr,
Tim

2010/10/18 alessandro contini <aless.contini@gmail.com>

hey there,
i'm teaching in an intensive course about Arduino in an italian design school.

some of the students are using Pduino for their final projects.
the point is i have a student who bought the new Arduino UNO board, we tried to use it with Firmata 2.2 and Pduino, but it doesn't work.

when loading the arduino-test it loads only a part of the patch in the console view. it recognizes the board as an Arduino UNO, but then it says "can't create"

i tried to search for the problem with google, but we haven't found anything useful.

maybe someone encountered a similar problem? :)

alessandro contini + www.cntlsn.com

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