Product Usage; Communication Format - Waveshare RP2040-BLE User Manual

2. PRODUCT USAGE

2.1 COMMUNICATION FORMAT

Support asynchronous serial communication mode, accept commands sent by the host computer through the
serial port
Communication Standard:
and Query
Data bit: 8, stop bit: 1, Parity bit: none, Stream control: none
Note: the design of all instructions are regular, not randomly divided, you can find the rules by comparing the
following.
Control command format : At+<CMD>[<param>]\r\n
Data feedback format: <IND>[<param>]\r\n
Data characteristics
[<param>]
Brief Introduction to commands
Function
Common
Command
Features
Bluetooth
Command
Features
Public Inquiry
Bluetooth Query
115200 bps (Configurable through serial commands) see: Module Baudrate Setting
AT+
<CMD>
Command
AT+C?
AT+B?
AT+Q?
AT+T?
---- all are characters, not hex numbers
The control command is given by the control host to the
module, starting with "AT+"
Followed by <CMD> control, usually 2 characters
If there is a parameter after CMD, it is followed by
The public command starts with AT+C, followed
by "?" is the detailed function command
The public command starts with AT+B, followed
by "?" is the detailed function command
The public command starts with AT+Q, followed
by "?" is the detailed function command
The Bluetooth query command starts with AT+T,
followed by "?" is the detailed function command
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RP2040-BLE
User Manual
Details
[<param>]
Remark