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If any services and characteristics are not displayed in LightBlue app, is there the way to regain them?
Best regards
Solved! Go to Solution.
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When you add LEGATTDB_PERM_WRITE_REQ you need to change CHARACTERISTIC_UUID16 to CHARACTERISTIC_UUID16_WRITABLE
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Have you tried to "Forget this Device" on the handset side, then reconnecting? I believe other users had a similar issue and this resolved their problem.
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Hi, mwf_mmfae
Yes. However, although the Local Name in LightBlue app is displayed the correct name, I can't regain them.
The name displayed in Peripherals Nearby in LightBlue is incorrect.
Though, I restarts BL Switch of iPhone and trys "Forget this Device", reconnect, a name of other projects is denoted.
Then, I returned the source code by using Git, but I couldn't take them back.
What can I do anything else?
Best regards
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Not sure. We will need to check with the developers this week.
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Hi, mwf_mmfae
I got the cause to disappear all services and characteristics.
After I add LEGATTDB_PERM_WRITE_REQ to CHARACTERISTIC_UUID16 of Device Name,
they doesn't become to display.
Although I modify .wic file, there are all of them.
However, just as I add the permission to Device Name, they disappears.
How can I add a permission which is to write with response to change Device Name in development?
Best Regards
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Hi, mwf_mmfae
Is there a way to add permission to edit Device Name to CHARACTERISTIC_UUID16 without not losing services and characteristics?
Best Regards
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When you add LEGATTDB_PERM_WRITE_REQ you need to change CHARACTERISTIC_UUID16 to CHARACTERISTIC_UUID16_WRITABLE
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Hi, victorz
Thank you for your response.
Do you say that I have to change the following code:
------------------------------------------------------------------------------------------------------------------------------
//<Name>Device Name</Name>
//<Uuid>2A00</Uuid>
CHARACTERISTIC_UUID16 (HDLC_GENERIC_ACCESS_DEVICE_NAME,
HDLC_GENERIC_ACCESS_DEVICE_NAME_VALUE,
UUID_CHARACTERISTIC_DEVICE_NAME,
LEGATTDB_CHAR_PROP_READ,
LEGATTDB_PERM_READABLE | LEGATTDB_PERM_WRITE_REQ,
8),
-------------------------------------------------------------------------------------------------------------------------------
to like following code:
------------------------------------------------------------------------------------------------------------------------------
//<Name>Device Name</Name>
//<Uuid>2A00</Uuid>
CHARACTERISTIC_UUID16 _WRITABLE(HDLC_GENERIC_ACCESS_DEVICE_NAME,
HDLC_GENERIC_ACCESS_DEVICE_NAME_VALUE,
UUID_CHARACTERISTIC_DEVICE_NAME,
LEGATTDB_CHAR_PROP_READ,
LEGATTDB_PERM_READABLE | LEGATTDB_PERM_WRITE_REQ,
8),
-------------------------------------------------------------------------------------------------------------------------------
?
The former code is generated automatically by Smart Designer the write permission of which is checked in our other projects.
Do I need to change CHARACTERISTIC_UUID16 to CHARACTERISTIC_UUID16_WRITABLE?
Anyway, when I edited like you said, my services and characteristics didn't disappeared.
Thank you very much for your advice.
However, I have not confirmed that my custom board works correctly.
So, if there is the other method to solve this problem, I want you to tell me about it.
Best Regards
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Do not forget to change properties as well. Properties is something that your client will discover. He needs to know that you support Write (or Write no Response), for example
//<Name>Device Name</Name>
//<Uuid>2A00</Uuid>
CHARACTERISTIC_UUID16 _WRITABLE(HDLC_GENERIC_ACCESS_DEVICE_NAME,
HDLC_GENERIC_ACCESS_DEVICE_NAME_VALUE,
UUID_CHARACTERISTIC_DEVICE_NAME,
LEGATTDB_CHAR_PROP_READ | LEGATTDB_CHAR_PROP_WRITE,
LEGATTDB_PERM_READABLE | LEGATTDB_PERM_WRITE_REQ,
8),