TOPWAY

SMART LCD Command Manual

Protocol V5.04

URL:

www.topwaydisplay.com

www.topwaysz.com

Page: 6 of 19

4.2.1

hand_shake ( 0x30 )

seq

Cmd-code / Par-data

Descriptions

1

0x30

Read a Hand Shake

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

0x30

Command executed

3

rd

“T”

0x54

“Topway HMT Ready\0” in ASCII

‘\0’(0x00): string end mark

4

th

“o”

0x6f

5

th

“P”

0x70

6

th

“w”

0x77

7

th

“a”

0x61

8

th

“y”

0x79

9

th

“ “

0x20

10

th

“H”

0x48

11

th

“M”

0x4d

12

th

“T”

0x54

13

th

“ “

0x20

14

th

“R”

0x52

15

th

“e”

0x65

16

th

“a”

0x61

17

th

“d”

0x64

18

th

“y”

0x79

19

th

\0

0x00

20

th

Tail

0xCC

Communication packet tail

21

st

0x33

22

nd

0xC3

23

rd

0x3C

Note.

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

4.2.2

read_version ( 0x31 )

Seq

Cmd-code / Par-data

Descriptions

1

0x31

Read firmware version

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

0x31

Command executed

3

rd

“1”

0x31

“1.06\0” in ASCII

Where firmware version is V1.06(example)

‘\0’(0x00): string end mark

4

th

“.”

0x2e

5

th

“0”

0x30

6

th

“6”

0x36

7

th

\0

0x00

8

th

Tail

0xCC

Communication packet tail

9

th

0x33

10

th

0xC3

11

th

0x3C

Note.

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