Ebyte E78-DTU User Manual page 29

command
character
CPASSTHOUGH
MODE
( transparent
mode )
Copyright©2012–2023, Chengdu Ebyte Electronic Technology Co., Ltd.
description
OK: received data packet without exception;
AT+DRX?
example
OK
Precautions
Receive data packets from the receive buffer, and clear the receive buffer;
command
command format
type
test
AT+CPASSTHOUGHMODE=?
command
set
AT+CPASSTHOUGHMODE=[m
command
ode],[confirm],[nbtrials]
When mode is 1, enter transparent transmission mode. Refer to the
Parameter corresponding AT command for confirm and nbtrials, which are only
Description valid for this transmission, and need to be reset after re-entering after
exiting.
OK means to enter the transparent transmission mode.
Return value description in transparent transmission mode:
frame
heade
r
Return value
description
A1
A1
In AT command mode:
AT+CPASSTHOUGHMODE=1,1,8
example
OK
In transparent transmission mode (hexadecimal):
response
+CPASSTHOUGHMODE:[mode],[confirm],
[nbtrials]
OK
status bit 1byte 1byte
00 (not connected
to the network)
01 (send data) send length
02 (data sending)
03 (send timeout,
Send timeout
unconfirm msg
times
does not return)
04 (send
successfully,
received the
The port
server return
number
value, unconfirm
msg no such
return)
05 (exit
transparent
transmission
mode)
FF (data too long)
1byte
\ \
\
\ \
\
Received
data length
(when it is 0,
no data is
sent)
\ \
\ \
nbyte
\
\
\
\
Send data
(this bit is
invalid when
the data
length is 0)
\
\
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