Return Read & Write Status Sub-Command(S) 7F(Hex) - Excell Wireless Platform Service Manual

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Example:
The return values are: 99 06 14 41 44 50 31 38
Then the firmware version is : 41 44 50 31 38 , i.e. ADP18
If the 'Write' operation has failed, reading UUID E812 handle will instead return 99 02 7F .... (please
refer to 12-1-39 Return Read & Write Status).
Execution conditions for these
commands
12-1-39. Return Read & Write Status Sub-Command(s) 7F(Hex)
Returns Read & Write Status; the following criterion must be met for status return:
(1) Only newer firmware versions are supported, i.e. Firmware Version AFP15 or its later versions, plus
Firmware Version ADP18 or its later versions.
(2) After the 'Write' command set is written to the UUID E813 handle, you can read the UUID E813
handle and then get Return Read & Write Status.
If the 'Write' operation to the UUID E813 handle has failed, you can read the UUID E813 handle and
then get Return Read & Write Status.
If the 'Write' operation to the UUID E813 handle is successful, you can read the UUID E813 handle
and then get data values to read.
Command Length Return
(Hex) (Hex) Sub-Command
(Hex)
99 02 7F
TM
Calibration Mode
Executable
Data Return Description
(Hex)
00 Successful
01 Maximum weighing capacity not calibrated
02 Erroneous data contents
03 'Write' Failure
Calibration Mode must be first enabled before you can
04
'write'
05 Ineligible execution conditions
06 'Read' Failure
07 Connection Password locked
7E Erroneous Command(s)
56
Normal Mode
Executable
ZSME000000026