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...
i have initialized a uart then i changed its rx and tx pins. now i want to initialize two uarts. i found the function to do this. app_uart_init.but i dont know how to pass...
I am trying to add pairing option in IOT examples provided in nrf51_iot_sdk_0.8.0. I don't see device manager interface in this SDK. Are there sample examples I can use to...
Warning[Pa082]: undefined behavior: the order of volatile accesses is undefined in this statement C:\Projects\..\lib\nrf_drv_twi.c 273
21 the same warnings. No errors...
Hi,
i have a question about s130 ble_app_hrs_rscs_relay demo, i want to add nus service to this demo, so i transplant the code from the nus demo ,
1:advertising_init use...
Hello, I just download the Android nRF beacon source code from Github, but how do I import this source code into the eclipse?
even I use the git tool import the code to eclipse...
Hi,
I want to use the following project to build a ble scanner which listen on one specific channel:
github.com/.../nRF51-multi-role-conn-observer-advertiser
Looking...
We have added support for nRF51 devices to VisualGDB, our Visual Studio plugin for embedded development and would like to share some tutorials showing how to develop common...
Hi, CAn anyone plz help me getting the cheapest possible nrf51822 small module that i can use in my project as peripheral ?
Or any other module that can work as slave with...
Hello,
I have been able to get an application to build and run in debug mode using Eclipse GCC (Kepler) for the nRF51822. My application does not use a soft device. We...
Hello,
I want to use timer with my app. I want to make led on my beacon flash for 1 second when it recieves a value. How can i set timer to turn of led after 1 sec?
...
Hi,
I am using GPIOTE interrupts to detect button presses. It works fine but there are only four channels in GPIOTE->EVENTS_IN[] and each channel can only be assigned to...
Hello,
I'm using exeprimental dual mode example with my Beacon kit. I ported the example to work with pca2006, but i'm having problems with led. On my mkit, leds work just...
This is what happens when linking my project in Eclipse:
make all
'Building target: project_name.elf'
'Invoking: Cross ARM C Linker'
arm-none-eabi-gcc -mcpu=cortex...
Hello,
We would like our app to only be seen by:
Devices that have previously connected
Devices that we allow to be added to the whitelist via the temporary disabling...