Parameters Configuration; Firmware Upgrade - Waveshare WIFI232-B2 User Manual

WIFI232-B2 User Manual
The length is 8 bytes as below. (In HEX for example):
Name
Bytes
Description
erroneous
Example 1 55 AA 55
Example 2 55 AA 55
Addendum:
Bit
1:0
2
3
5:4
7:6

4.8.10 Parameters Configuration

WIFI232 module supports two methods to configuration parameters: Web
Accessing and AT+ Instruction set.
Web accessing means user can configure parameters through built-in webpage.
When WIFI232 module connected to wireless network, parameter configuration is done
on a PC connected to the same wireless network. AT+ Instruction set configuration
means user configure parameters through serial interface command. Refer to "AT+
Instruction set" chapter for more detail.

4.8.11 Firmware Upgrade

WIFI232 module supports firmware upgrade online
Head Baud Rate
3
3 bytes for one
Reduce baud rate vale.
High byte in the
front
01 C2 00
00 25 80
Table 8 RFC2217 Protocol
Note
Choose data bit
stop bit
parity bit enable
parity bit type
NC
Table 9 Addendum of RFC2217 Protocol
Bit
3 1
Refer to
addendum
83
83
Value
00
01
10
11
0
1
0
1
00
01
10
11
00
40 / 102
CHK
1
The check sum
of the font 4
bytes. Ignore
the carry
46
28
Description
5 bits
6 bits
7 bits
8 bits
1 bit stop bit
2 bit stop bit
disable parity bit
enable parity bit
ODD parity
EVEM parity
Mark 1
Clear
set 0