I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
After some pstorage_update calls I start to get error 9. From nrf_error.h it is called NRF_ERROR_INVALID_LENGTH but from SDK doc it looks like pstorage_update does not have...
My question is in regards to BLE security. I have certain characteristics that I want to remain open. As they will be used to determine authentication at the application level...
I am planning to migrate to SD 7.0 and SDK 6.0 in order to use the static pass key capabilities. When using the static pass key how should security params be initialized ...
Working through a custom security implementation. It is to desirable to know a unique identifier for each bond that has been made with the nrf51822 SD. When the SD enters...
I have several asynchronous аperiodic sensors with their interrupt handlers. My service should gather the data from those sensors and do some math. The outcome of this math...
Dear all,
I tried to program and test the iBeacon application on the s110 folder from nordic examples.
The code on the Cortex-M0 has problem. Seems during programming...
After program nrf51822,it works normaly.But when I program again,it can't debug.NO SWD and NO USB DEVICE.So I can't use nrfGoStudio or nrfjprog.exe to recover it.When I pull...
Hi,
I've set up a streaming solution that is easily streaming 4+kBytes/s to an iPhone. I've also set up an ADC service that is sampling at 2,083 Hz 10 bit mode, using a...
Hi,
I am using nrf51822 (128k).
Softdevice 6.0 (s110), SDK 5.2.
How can I send an empty notification packet (data length 0) to master device?
If I send a packet with data...
I was wondering whether it is safe to use a delay (such as implemented by nrf_delay_us) to, for example, delay an iteration of a while loop, or that it is always better to...
Dear Sir/Madam,
I am testing iBeacon application on the nRF51822 mounted on nRF6310 motherboard.
I programmed the ble_app_beacon application in the keil_v5\ARM\Device...
Hello,
I get a sample code in the dir flllowed after intsalling nRF51 SDK:
\Keil\ARM\Device\Nordic\nrf51822\Board\pca10001\s110\ble_app_beacon_code\main.c
but I still...
I ve installed CSR bluetooth 4.0 adapter , it can communicated with even the bluetooth 2.0 devices, how ever it even can not discovery the board when I programed the softDevice...
Hi,
I have ordered nrf51822 development kit with one of my local vendor. when the product came to india , it was checked in customs office somehow the samples in the kit...
I'm using an nRF51822. Currently, I'm using the low power sleep mode. The device uses about 1.5 uA in sleep, which is great. The firmware wakes up the device every n minutes...