WAVESHARE ELECTRONICS
WIFI232 User Manual
Page 35 of 81
7
Signal
strength1
1
Signal strength of router 1,0~100
：
0%~100%
8
separator
2
Separator
of
signal
strength1,
fixed
value:
0x0D,0x0A
…
…
…
………
M
SSID n
Unsized
The SSID of router n
M+1
separator
1
Separator of SSID n, fixed value:0x00
M+2
Signal
strength
1
Signal strength of router n,0~100
：
0%~100%
M+3
separator
2
fixed value:0x0D,0x0A
M+4
check
1
Sum of bytes from head (not contained) byte to
check byte (not contained).
Example:
Data from phone PDA to module (HEX): FF 00 01 01 02
Data from module to phone PDA (HEX): FF 00 14 81 02 54 45 53 54 31 00 40 0D 0A 54 45 53 54
32 00 37 0D 0A 1F
Explanation:
The phone PDA send searching command to module, the response from module is: SSID of
router1 is
“TEST1”, signal strength of router1 is 64%; SSID of router2 is “TEST2”, signal strength
of router2 is 55%.
Note: The information of routers is ordered by signal strength.
Setting command
No
Name
Num of Bytes
Description
1
head
1
fixed value:0xFF
2
length
2
Sum of data bytes from length bytes to check byte
(not contain length bytes and check byte).
3
cmd
1
Command type, 0x02
4
reserve
1
fixed value:0x00
5
SSID
Unsized
SSID of router
6
separator
2
fixed value:0x0D,0x0A
7
password
Unsized
Password of router
8
check
1
Sum of bytes from head (not contained) byte to
check byte (not contained).
Response for setting
No
Name
Num of Bytes
Description
1
head
1
fixed value:0xFF
2
length
2
Sum of data bytes from length bytes to check
byte(not contain length bytes and check byte).
3
cmd
1
Command type, 0x82
4
Check for
SSID
1
If the SSID set by PDA exist, check value is 0x01,
otherwise is 0x00.
5
Check for
password
1
If the form of password set by PDA is correct, check
value is 0x01, otherwise is 0x00.
6
check
1
Sum of bytes from head (not contained) byte to
check byte (not contained).
Example:
Data from phone PDA to module (HEX): FF 00 0F 02 00 54 45 53 54 31 0D 0A 31 32 33 34 35 36
CE
Data from module to phone PDA (HEX): FF 00 03 82 01 01 87
Explanation:
