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...
Hello,
i need some informatiorn about the layout of the nRFgo Motherboard. More specific i want to build a board which is connected to the ports P0, P1, P2; therefore i...
I'm trying to implement a burst transfer between to nRF24AP2 devices, but I have serious problems getting it to work.
The burst messages are send on a reverse channel to...
Hi, I need to read an analog signal 100 s/s which takes 68us at 10bit. There is very little computation to be done once read probably about 10us which I can do to the previous...
I am experimenting with calling sd_flash_write with waiting,
if it returns NRF_ERROR_BUSY, just try again, and then return either success fail
void flashWrite( uint8_t...
Hey ho,
I'm new to BLE and Nordic. I'm a student from Germany and i want to realize one simple function with Arduino (RedBear Blend with nRF8001) and Android.
I want my...
Hello,
We've heard that the BLE transmission packet length may be increased beyond the limit of 20 bytes in a future version of the S110 softdevice. Would you let us know...
Hi
I struggle to understand mechanisms of switching particular subsystem of nrf51822 off and on again in order to consume as little as possible current when MCU is put...
Hi
I have an ADC that just recive, but i will need to make an buffer that makes tx values and just send them to a output pin.
So I wonder how i should code this and if...
I have made custom compiling environment using gcc. I precompile some parts of my software and send to team members .o files what they use in their project so that they don...
Hi, I am using an nRF51822 EK board to develop a custom application and I was wondering about the usage of the SoftDevice. Under what conditions should I use the soft device...
I have recently updated my DFU code to use the source files in SDK 6.1 to be able to OTA upgrade the SoftDevice and Bootloader. I've been able to get the Application to reliably...
Hi,
I am a newbie and would like to build a solution that combines nrf51822 with Arduino. Is this possible.
I find that there are many nrf5001 + Arduino solutions, but...
Hi,
I try to use APP_ERROR_HANDLER(err_code) with a custom error code ( for example 25) in a custom function. Error code reported is correct, but error line and filename...
hello,
Have any example about how to use "CHANNEL_IN_WRONG_STATE" ?
I don't know how to use it. and also don't know when softdevice return this even.
///< Command...