Ebyte E78-DTU(470LN22) User Manual page 38

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Parameter D
escription
Return valu
e descriptio
n
Example
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When mode is 1, it enters transparent transmission mode. For con
firm and nbtrials, please refer to the corresponding AT command,
which is only valid for this transmission, and needs to be reset af
ter exiting.
OK means to enter the transparent transmission mode.
Description of return value in transparent transmission mode:
fram
Status bit 1byt
e he
e
ader
00 (not conne
cted to the net
work)
01 (send data)
02 (data sendi
ng)
03 (send time
out, unconfirm
msg has no s
uch return)
A 1
04 (successfull
A1
y sent, the ser
ver return valu
e is received,
unconfirm msg
has no such
return)
05 (Exit trans
parent transmis
sion mode)
FF (data too l
ong)
In AT command mode:
AT+CPASSTHOUGHMODE=1,1,8
E78-DTU(470LN22) User Manual
1byte 1byte
\ \
send length \
\ \
Send timeout \
Length of
received d
The port nu ata (when
mber it is 0, no
data is se
nt)
\ \
\ \
nbyte
\
\
\
\
Send data
(when the
data length
is 0, this
bit is inv
alid)
\
\
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