User's Manual

Chengdu Ebyte Electronic Technology Co., Ltd E104-BT5032A User Manual
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co., Ltd
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1 Command does not exist AT command string is incorrect Check AT command character string
2 Incorrect parameter length
1、 AT command length is incorrect；
2、Length does not meet range
Check parameter
3 Invalid parameter 1 Parameter exceeds value range
Refer to command to check right
parameter
4 Air wakeup authentication failed Incorrect password
1、 Use correct configuration
password；
2、 Reset password via UART
5
Current device role, this command
is not supported
This command is forbidden in
current role
6 Unknown mistake
7 Save parameter error
8
AT command exists, but operation
not supported
Refer to command and operate again
9 Disconnected Module is disconnected
10 MAC address does not exist Added MAC address exists already
11 MAC list is full
MAC address bond exceeds the
maximum numbers
Delete invalid MAC，add again
12 MAC address does not exist Deleted MAC does not exist
13 Connection failed
14
Exceeded the maximum number of
current connections
The current masters are all connected
1、 Disconnect current devices；
2、 Modify maximum connection
numbers；
15 Device does not exist
16 Connection does not exist This error is returned when sending data
or setting connection parameters.
The cause of the error is that the
connection handle does not exist.
1. Confirm whether the device has
been disconnected;
2. Make sure the connection handle
is correct
17 Configured pin does not exist Pin error
18 Pin is used already
19 No resources available All pins are used
20 PIN not configured
21 PIN function error Parameter and current pin function do not
match
Error code list
6.3 Status printing
Status Printing info
Connected successfully
Only salve \r\nSTA:connect\r\n
Other \r\nSTA:connect,[handle],[MAC]\r\n
Disconnect
Only salve \r\nSTA:disconnect\r\n
Other \r\nSTA:disconnect,[handle ]\r\n