Specifications

Command Descriptions 85
ID ('i')
Function: Provides various information about the controller and touchscreen.
The Type byte indicates the touchscreen type selected by the jumpers on the
controller as follows: an ASCII '0' for AccuTouch, '1' for DuraTouch, and '2' for
IntelliTouch.
The IO byte indicates the type of communication interface that is in use by the
controller as follows: an ASCII '0' for serial, '1' for PC-Bus, and '2' for Micro
Channel.
The Features byte indicates installed features of the controller and has the
following bit positions:
Bit Feature
0 Reserved
1 Reserved
2 Reserved
3 Reserved
4 Reserved - External A/D converter
5 Reserved - RAM is 32K bytes
6 Reserved - RAM available
7 Reserved - Z-axis available
The Minor byte reports the minor firmware revision level. The Major byte reports
the major firmware revision level. These bytes may be treated as an integer.
The P byte reports the number of packets to expect when querying the
configuration with the 'g' command, not including the Acknowledge packet that
follows. P may change with future firmware revisions.
The IFlag byte indicates the model of serial controller. Bit 0 is set if the controller
is an E271-2210, or clear if it is an E271-2200. The E271-2210 controller is
software compatible with the E271-2200 with the following exceptions:
• Low Power Mode is not supported. See Low Power command, page 89.
• 38,400 Baud is not supported. See Parameter command, page 95.
• Filtering parameters are slightly different. See Filter command, page 82.