User's Manual
Table Of Contents
- About This Document
- Table Index
- Figure Index
- 1 Introduction
- 2 Product Concept
- 2.1 General Description
- 1.1 Simplified Block Diagram
- 1.2 Features and Application
- 1.3 Evaluation Board
- 1.4 List of Applicable FCC Rules
- 1.5 The Specific Operational Use Conditions
- 1.6 Limited Module Procedures
- 1.7 Trace Antenna Designs
- 1.8 Antennas
- 1.9 Label and Compliance Information
- 1.10 Information on Test Modes and Additional Testing R
- 2 Pin Definitions
- 3 Technical Specifications
- 4 Application Interface
- 5 Application Function
- 6 Data Business
- 7 Mechanical Dimensions
- 8 Appendix
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+DRXSTR: [RxWin], [DownLinkCounter], [Port], [Length], <Payload >, [RSSI], [SNR]
Content in “[ ]” is an optional option, which can be enabled and canceled through RXOPT
(receive option byte).
The definition of the received option byte is as follows:
RXOPT
Name
Default
Value
Description
Bit7
RxWin
0
Receive window
Bit6
-
0
reserve
Bit5
DownLinkCounter
0
Downstream frame count value
Bit4
Port
1
Application port
Bit3
Length
1
Load data length
Bit2
Payload
0
Load data type
0: HEX type, use + DRX instruction output,
1: STR type, use + DRXSTR instruction output
Bit1
RSSI
0
Received signal strength
Bit0
SNR
0
Receive SNR
By default, RXOPT = 0x18, the output format is:
+DRX: Port, Length, Payload
At this time, if the server sends data 0x12, 0x34, 0x56, 0x78 to port 5, the module responds
as follows:
+DRX:5,4,12345678
When the module works in transparent transmission mode, the module only returns the load
data.