Specifications

CARROLL TOUCH Appendix A - Smart-Frame Protocol Command Reference
Touch System Programmer’s Guide A-23
Get_Frame_Size_Report (37H) (7)
Command Description
When the host sends the Get_Frame_Size_Report (37H) command, the
touch system returns a Frame Size Report that specifies the size of the
touch frame, expressed as the number of logical coordinates on each
axis.
Report Format
The Frame Size Report has the following format:
F4 X Y FF
F4 = Start of Frame Size Report.
X = Number of x-axis logical coordinates.
Y = Number of y-axis logical coordinates.
FF = End of report.
Example
An example Frame Size Report is:
F4 4F 3B FF
It indicates that the coordinate ranges are 0-78 x-axis logical
coordinates (4FH = 79) and 0-58 y-axis logical coordinates (3BH = 59).