Re: Data loss during BTLE repeated write with CoreBluetooth on iOS
Re: Data loss during BTLE repeated write with CoreBluetooth on iOS
- Subject: Re: Data loss during BTLE repeated write with CoreBluetooth on iOS
- From: Nick Brook <email@hidden>
- Date: Tue, 29 Apr 2014 20:01:07 +0100
| Hi Matthias,
I’m using write without response on both peripheral and central, and it doesn’t return any errors when observed with the packet sniffer. The error occurs internally in CoreBluetooth, iOS does not send all the data to the peripheral.
Thanks Nick
On 29 Apr 2014, at 19:44, Matthias Ringwald < email@hidden> wrote: Hi Nick
write with response and write without response are 2 different GATT/ATT requests and the GATT profile specifies separate flags in the Characteristic to indicate if it’s possible to write with or without permissions. It’s possible that your peripheral’s GATT server returns an unlikely error if you do a write without response although it’s not marked as such. Have a look at your Characteristic Declaration and its Properties.
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