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...
I have an application that needs to minimize its current consumption when sleeping. From the nRF52 manual, I see that UART should consume 1uA when in idle. The total current...
Hello,
I'm using thhe BLE shied, which uses the nRF8001 chip, with arduino Mega.
I'm trying to connect the Rf module nRF24l01 to receive data from another arduino and...
When checking if a read (or write) is authorized can the event contain an invalid handle (Does the handle need to be checked)?
case BLE_GATTS_AUTHORIZE_TYPE_READ:
{
...
hi
in nrf51422
till now this is my code
now how can i send or recieve information .
or tell me for sending information what to read next?
#include <stdint.h>
#include...
Hi ,
I want to call a pstorage_store() function to update the flash content when ble receives the disconnect event.
My doubt is whether i be missing the flash write event...
I am working on a system with dual Bluetooth chips one acts as primary and the other as secondary.
I want these two communicate with a shared resource(Accelrometer)...
currently, i connected the nrf52(spi master) with ads1292 (spi slave) which is a ECG sensor. For the ads1292 chips, there is a output pin generating the signal called DRDY...
Hello evryone,
i cloned button example form github to sdk version 9.0.0 and i modified the neccesary changes between app.gpiote.c//nrf_drv_gpiote.c files and set the GPIOTE...
HI,ALL
there are two 'uart_event_handler' function in the project.
one in main, and the another in the app_uart_fifo.c
with the source code, i think when i input...
Hi everybody
I make an application which combine ANCS and NUS services on my device (nrf51 SDK 9.0.0,softdevice 8.0) This application works properly when I use IOS device...
Could you explain why 8 reload registers exists. Its use and use case. Since I believe we need to reload every register each time we have to reset counter.
I have a rare issue where my device won't advertising as it is waiting for a Pending Flash event to clear. However I want to add a supervisor time-out to this. It is safe...
Hi ,
I am getting error in pstorage_store function .
On further digging function
if ((!is_word_aligned(p_src))) is returning the error.
What does this function check...
I use nrf51822qfaa,s110 v8.00,keil MDK IDE. If the program is wrong,The chip will reset, I want to save some data to the FLASH area before the chip reset. What I need to do...
The example DFU project (dual_bank_ble_s110) for NRF51422 seems to work just fine on my custom board that has NRF51822. Is there a problem to use it like that if I set the...
