HID Shared Memory: Difference between revisions
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=Offset 0xC0= | =Offset 0xC0= | ||
This 0x48-byte region stores entries for touch-screen position info. Each entry is 0x8-bytes, there's a total of 9 entries. Normally the last 8 entries contain the same data. When the touch-screen is not being touched, this region is all-zero. | |||
The last 8 entries contain the pixel coordinates, while the first entry seems to contain the raw coordinate data prior to being converted to pixel coordinates. | |||
==Entry format== | |||
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
|- | |- | ||
! Relative offset | ! Relative offset | ||
! Size | |||
! Description | ! Description | ||
|- | |- | ||
| 0x0 | | 0x0 | ||
| | | 0x2 | ||
| X coordinate. | |||
|- | |||
|- | |||
| 0x2 | |||
| 0x2 | |||
| Y coordinate. | |||
|- | |||
|- | |||
| 0x4 | |||
| 0x4 | |||
| This is 0x0 when this entry doesn't contain any actual data, value 0x1 indicates that this entry contains actual data. | |||
|} | |} |