why use 50ms and 400ms connection interval for testing the maximum data throughput(2M,247byte payload)?
Because 50ms can only send a pdu , and 400ms can send up to 8 pdu...
Hi,
I am using Keil IDE to develop nRF51822 project.
in main(), the command line
APP_SCHED_INIT(APP_SCHED_MAX_EVT_SIZE, APP_SCHED_QUEUE_SIZE);
has Error : L6218E...
Hello,
I'm new to the Nordic SDK and I would like to ask you for help with implementation of PORT events for revision < 3 in "low power" mode instead of "high power" mode...
Hi Nordic,
I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.
What I see:
central app crashes (hardfault...
Hello All,
I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...
I WANT COMMUNICATION BETWEEN A NRF51422 AND NRF528321 BOARDS, IN WHICH IN NRF51422 BOARD I WILL MEASURE PWM COUNT(IT IS PHERIPHERAL) AND SEND IT TO NRF528321 BOARD WHICH IS...
Hi,
I've been working on a way to detect and prevent replay attacks when beacons are used for sensor data. This is mostly used for home automation sensors, where I have BLE...
Hi,
I'm retreiving data from my Running Speed and Cadence BLE device to my Android smartphone. The BLE device is the Polar Stride .
The problem I have is that the data...
Hi,
So I just started programming with the SES IDE and I'd like to import some libraries from the SDK and external sources to the blinky example(for example didn't even...
Hello,
I want to transfer and particular size image from mobile phone to nrf51822 Board.
can anyone know the application which can transfer an jpeg image file from phone...
When I study the ANT example, ANT Advanced Burst, in SDK document, I see this:
The transmission rate, along with optional features such as frequency hopping, is negotiated...
dear nordic employee
when I send the data with 131 length by function sd_ble_gatts_hvx
some times it return NRF_SUCCESS,but some times It return 19error
I cannot...
Hi.
I'm in the process of migrating an application from the nRF51822 and SDK 12.2.0 to the nRF52832 and SDK 13.0.0. My code now compiles but doesn't link. Here's the make...
Hi,
I tried using ble_notification interrupt to 'warn' me before the start of radio activity so that I can get around the CPU blocking issue. But, for some reason, for 1...
I am working on blinky example and want to modify service/characteristic uuid. I do
that in ble_lbs.h as follows:
//#define LBS_UUID_SERVICE 0x1523
#define LBS_UUID_SERVICE...
I had the following setup, two app_timers triggering blocking SAADC reads in the callback functions
app_timer 1000ms triggering 1 Blocking SAADC read (For battery service...
Hello,
I use sdk 8.0.0 and s110. I read this blog
And I did not understand some terms;
Application processing(for example 2ms each adv interval)
Number of packets...
Hi,
I am using the nRF51 Dongle (PCA10031, V 1.1.0) and pc_ble_driver.py to create a custom script for testing purposes. But there seems to be a maximum limit for the measured...
I met a problem when delete bonding information on android central, i actually can't connect to the nrf52832 peripheral again, until i totally clear it's peer list and bond...
Hi all,
I am trying to control a speaker using the i2s output of the nrf52832 mapped into a TAS2505 from TI. I am able to play sounds in the speaker but my issue is that...
I am trying to use the eddystone example I found in the ble_prepheral/ble_app_eddystone/pca10040 folder in SDK14.2 with my nRF52832 development board but I get the following...