Get Feature - Get Status - 3M PX5 Series Reference Manual

16
Lower Left Calibration Target
X = 0 + (1920 x 1/8) = 0 + 240 = 240
Y = 1049 - (1080 x 1/8) = 1049 - 135 = 914
Note: Other screen resolutions will scale proportionally. The touch coordinates will not change.
Get Feature – Get Status
This is a request to send information that indicates the status of the controller. Among the
uses for this request are determining whether there were any power on check errors and
determining whether the last request was completed successfully.
Table 9. Get Status Setup Stage
Offset Field
0 bmRequestType
1 bRequest
2 wValue
4 wIndex
6 wLength
Table 10. Get Status Data Stage
Offset Field
0 Report ID
1 POC Status
2 Cmd Status
3 Touch Status
4 Not Used
5-7 Not used
POC Status – The status of the Power-on Checks. Various controller systems are
checked at power-up. If any failures in these systems are detected, a POC flag is set. The
POC status field reports the state of these flags.
(0, 0) [0, 0]
(240, 914)
(0, 1049) [0, 32767]
Size Value Description
1 0xA1 Class,D2H,Interface
1 0x01 Get Report
2 0x0306 msb=03=Feature
lsb=06= Feature Report ID
2 0 Always 0
2 8 Always 8
Size Value Description
1 0x06 Feature Report ID
1 0xXX Power On Check Status
1 0xXX Status of last command
1 0 Not used
1 0xXX 0x00 = Async touch output off
0x01 = Async touch output on
3 0 Not used
3M Touch Systems, Inc. Proprietary Information
3M™ Multi-Touch ASIC Controller Reference Guide
(
1679, 0) [32767, 0]
Upper Right Calibration Target
(1439, 135)
X = 1679 – (1920 x 1/8) = 1679 – 240 = 1439
Y = 0 + (1080 x 1/8) = 0 + 135 = 135
(1679, 1049) [32767, 32767]