A vital byte used to validate the entire configuration block. If the checksum is incorrect, the GT911 may ignore the new settings. 3. Coordinate Data (0x8100 – 0x813F) This block reports live touch events.
| Byte offset | Field | |-------------|-------| | +0 | Track ID | | +1 | X coordinate (low byte) | | +2 | X coordinate (high byte) | | +3 | Y coordinate (low byte) | | +4 | Y coordinate (high byte) | | +5 | Touch area (size/pressure) | gt911 register map
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After writing a new configuration block to 0x8040 – 0x80FD , you must: gt911 register map