DLPU041G April 2016 – July 2024 DLPC230-Q1 , DLPC230S-Q1 , DLPC231-Q1 , DLPC231S-Q1
This command is used to read back the host-specified values for the external video checksum settings.
Command Parameters
No command parameters.
Return Parameters
| BYTE | BITS | DESCRIPTION |
|---|---|---|
| 2:1 | 15:0 | Checksum Start Pixel Starting pixel coordinate in the active video data to checksum. LSByte = Byte 1 |
| 4:3 | 15:0 | Checksum Start Line Starting line coordinate in the active video data to checksum. LSByte = Byte 3 |
| 6:5 | 15:0 | Checksum Total Pixels Per Line Number of pixels in each active line to checksum. LSByte = Byte 5 |
| 8:7 | 15:0 | Checksum Total Lines Per Frame Number of active lines in each frame to checksum. LSByte = Byte 7 |
| 12:9 | 31:0 | Expected Checksum Expected checksum value for all pixels in the specified range. LSByte = Byte 9 |
| 16:13 | 31:0 | Actual Checksum Latest measured checksum of input video data. This can be used to compare against the input expected checksum. LSByte = Byte 13 |