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Extended Analog (added in version 2.2) As an alternative to the normal analog message, this extended version allows addressing beyond pin 15, and supports sending analog values with any number of bits. The number of data bits is inferred by the length of the message.
/* extended analog
0 START_SYSEX (0xF0) (MIDI System Exclusive)
1 extended analog message (0x6F)
2 pin (0 to 127)
3 bits 0-6 (least significant byte)
4 bits 7-13
... additional bytes may be sent if more bits needed
N END_SYSEX (0xF7) (MIDI End of SysEx - EOX)
/
The text was updated successfully, but these errors were encountered:
If you're running into this restriction here's a diff of changes for pyfirmata.py that worked for me. Tested with a Raspberry Pi running python 2.7 and a teensy 2.0++ with the StandardFirmata sketch from Arduino 1.0.1 (PWM tested only)
(Can't work out how to display this diff properly!)
EXTENDED_ANALOG = 0x6F # analog write (PWM, Servo, etc) to any pin
488a490,494
# use the extended analog feature if the pin no. >15
# this will allow PWM and SERVO on all possible pins,
# for teensy boards for example.
# Keep the old message format for pins <=15 for
# compatibility with older firmata versions.
Extended Analog (added in version 2.2) As an alternative to the normal analog message, this extended version allows addressing beyond pin 15, and supports sending analog values with any number of bits. The number of data bits is inferred by the length of the message.
/* extended analog
0 START_SYSEX (0xF0) (MIDI System Exclusive)
1 extended analog message (0x6F)
2 pin (0 to 127)
3 bits 0-6 (least significant byte)
4 bits 7-13
... additional bytes may be sent if more bits needed
N END_SYSEX (0xF7) (MIDI End of SysEx - EOX)
/
The text was updated successfully, but these errors were encountered: