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1.5.3.3.1 CalibratedXY Packets
When the CalibratedXY protocol is selected, the touch screen coordinates are sent in multi-‐byte
packets.
TOUCH_X Packet
Description:
The TOUCH_X packet represents the touch screen X coordinate. It is sent only if
the touch screen pressed.
Length:
3 bytes, including the Packet ID
Code:
81
hex,
129
dec
TOUCH_Y Packet
Description:
The TOUCH_Y packet represents the touch screen X coordinate. It is sent only if
the
touch screen pressed.
Length:
3 bytes, including the Packet ID
Code:
82
hex,
130
dec
PEN_UP Packet
Description:
The PEN_UP packet contains no data bytes. It is sent to indicate that the touch
screen is not pressed.
Length:
1 byte, including the Packet ID
Code:
83
hex,
131
dec
Summary of Contents for ezLCD-405
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