Re: About BLE connection parameter
Re: About BLE connection parameter
- Subject: Re: About BLE connection parameter
- From: karel <email@hidden>
- Date: Mon, 30 Jul 2012 16:49:26 +0900
Hey zhang-dude,
The Texas Instruments stack is a bit dodgy; check this posting
out.
http://e2e.ti.com/support/low_power_rf/f/538/p/167385/717343.aspx
Make sure to make a backup copy and then modify the peripheral.c
code as suggested.
It also tends to make life easier if you flash the CC2540 USB
dongle with the
TI Sniffer firmware so you can get an Air Trace.
A word of warning though: Having the USB dongle as the sniffer and
the CC debugger
connected at the same time usually doesn't work (dropped packets
on the sniffer, and
long freezes of the IAR workbench). Best to use a completely
different computer for the Sniffer.
Hope this helps.
Karel
(2012/07/30 16:10), email@hidden wrote:
Hi,
When
my perihpreal is enabled automatic parameter update request,
iphone can not connect to peripheral successfully
The connection stop at discovering services (I use NSLog to
monitor the events).
But when I connect my peripheral to CC2540 USB dongle
from TI, it is successful.
The parameter is as follow:
Minimum connection interval
100ms
Maximum connection interval 1s
Slave latency 0
Supervision timeout
5s
I think the connection parameters
are conformed to the
connection parameters in the Bluetooth Accessory Design Guidelines for
Apple Products. Is it right?
In where I go wrong?
Thanks advance.
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