Справочник Пользователя для High-Flying Electronics Technology Co. Ltd HF-A11X
HF-A11x V3.1 User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
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（Serial Number need keep the same with “SEND” command’s serial number）
Reserve Part: 0000（All reserve part shall set to “0”）
Acknowledge
Acknowledge
Information:
XX
（”00” -- OK，”FF” or others --NOK）
¾ Data Receive Request Command（RECV）
User device use this command to send data receive request to HF-A11x modules
“RECV” frame structure:
“RECV” frame structure:
02
SS
LLLL
0000
0
1
2
3
4
5
CCCC
6
7
Command Word: 02
Serial Number: SS
Reserve Part: 0000（All reserve part shall set to “0”）
Request Data Length: LLLL
CRC Check: CCCC
Serial Number: SS
Reserve Part: 0000（All reserve part shall set to “0”）
Request Data Length: LLLL
CRC Check: CCCC
¾ Data Receive Acknowledge Command (RECV ACK)
HF-A11x module reply this command to acknowledge receive “RECV” command
and insert data (as user device request’s length or shorter) in the frame.
“RECV ACK” frame structure:
Command Word: 02
Serial Number: SS
Serial Number: SS
（Serial Number need keep the same with
“RECV” command’s serial number）
Reserve Part: 0000（All reserve part shall set to “0”）
Data Length: LLLL (Length shall equal or shorter than request data length)
Data
Data Length: LLLL (Length shall equal or shorter than request data length)
Data
Content:
DDDD……..DDDD
CRC Check: CCCC
1.4.2.2. Agreement Transmission Procedure
Agreement transmission mode procedure as following chart:
(This is a procedure user device hope to send data to HF-A11x module)
(This is a procedure user device hope to send data to HF-A11x module)