TOPWAY

SMART LCD Command Manual

Protocol V5.04

URL:

www.topwaydisplay.com

www.topwaysz.com

Page: 7 of 19

4.2.3

read_pg_id ( 0x32 )

Seq

Cmd-code / Par-data

Descriptions

1

0x32

Read Current page ID

Note.

*1. Command should be transferred in communication packet structure (see Communication Packet Structure Section for details)

Response code:

Seq.

Content

Byte in Hex

Descriptions

1

st

Header

0xAA

Communication packet header

2

nd

Command

0x32

Command executed

3

rd

Page ID

Page_IDh

Current Page ID in 16bit binary value

4

th

Page_IDl

5

th

Tail

0xCC

Communication packet tail

6

th

0x33

7

th

0xC3

8

th

0x3C

Note.

*1. The Response code with communication packet format (see Communication Packet Structure Section for details)

4.2.4

touch_response ( 0x72/ 0x73/ 0x77/ 0x78/ 0x79 )

seq

Cmd-code / Par-data

Descriptions

1

--

Use set_sys_config to config the functions

Touch Release Coordinate Response code (0x72):

Seq.

Content

Byte in Hex

Descriptions

1

st

Header

0xAA

Communication packet header

2

nd

Command

0x72

Touched release Coordinate

3

rd

X coordinate

Xh

Coordinate in 16bit binary value

X = horizontal coordinate

Y = vertical coordinate

4

th

Xl

5

th

Y coordinate

Yh

6

th

Yl

7

th

Tail

0xCC

Communication packet tail

8

th

0x33

9

th

0xC3

10

th

0x3C

Note.

*1. The Response code with communication packet format (see Communication Packet Structure Section for details)

Touch Down Coordinate Response code ( 0x73 ):

Seq.

Content

Byte in Hex

Descriptions

1

st

Header

0xAA

Communication packet header

2

nd

Command

0x73

Touched down Coordinate

3

rd

X coordinate

Xh

Coordinate in 16bit binary value

X = horizontal coordinate

Y = vertical coordinate

4

th

Xl

5

th

Y coordinate

Yh

6

th

Yl

7

th

Tail

0xCC

Communication packet tail

8

th

0x33

9

th

0xC3

10

th

0x3C

Note.

*1. The Response code with communication packet format (see Communication Packet Structure Section for details)

Touch Key ID Response code ( 0x78 ):

Seq.

Content

Byte in Hex

Descriptions

1

st

Header

0xAA

Communication packet header

2

nd

Command

0x78

Touched release Key_ID defined by TOPWAY TML Graphic

Editor will be response to host

3

rd

Page_ID

Page_IDh

Page_ID = the touch key in page(16bit binary value)

4

th

Page_IDl

5

th

Y coordinate

Key_ID

Key_ID (8bit binary value)

6

th

Tail

0xCC

Communication packet tail

7

th

0x33

8

th

0xC3

9

th

0x3C

Note.

*1. The Response code with communication packet format (see Communication Packet Structure Section for details)