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...
Hi I have run into this error when running. However it has just appeared (the FDS did work but now will not initilise.) I am using Visual_gdb.
As per this issue
I have...
Hi,
I am using nRF8001 with a MCU from PIC18F family. I have successfully configured nRF8001 to send and receive data through the nordic UART pipe (I used the app nRF UART...
I am experiencing a strange problem with stopping a scan. I am using the mesh from github.com/.../nRF51-ble-bcast-mesh together with interval scanning, meaning start scanning...
Hello Nordic developers,
I was tracing through the new SD init code in the HRS example app for nRF52 and followed this macro into softdevice_handler.h. Is it supposed to...
I am planning on using:
NRGF51822 CDAB WCSP (= 128KB Flash, 16KB RAM, 3.5x3.5mm)
Another main chip I will be using is:
LSM303AGR ( www.st.com/.../en.DM00177685.pdf)
...
Hi
In my application I have a function that takes about 1 ms, in which timing is critial.
(I cannot allow even a few us change of the timing inside this function).
When...
Greetings, and thank you ahead of time to anyone willing to lend some advice.
I'm implementing application-layer security by requiring central devices to supply a user...
Hi,
I am having some trouble getting the nrf51422 (running the s130 soft device) to wake up after entering sleep mode. I have successfully entered sleep mode using NRF_POWER...
Hi,
I am trying to work with ble_radio_notification.h. When I import this file to my main.c, I have "No such file or directory error". When I try to add it to nRF_BLE folder...
Hii every one,
We are working on a project where we are using a temperature sensor LMT01, its giving a pulse output the pulse out is from 220mV to 600m. So I'm using lpcomp...
Hi,
I am getting only two values on startup and the remaining values as zero when using app_timer_cnt_get.
EDIT: updated entire main.c file
#include <stdint.h>
#include...
I am trying to bring the pc-ble-driver code up on a single processor ARM based board with Linux build under Yocto control. The boost library version being used is 1.60.
...
Hi All,
I'm implementing system clock using approach similar to
devzone.nordicsemi.com/.../
The idea:
NRF_RTC_EVENT_COMPARE_0 -> PPI -> NRF_TIMER_TASK_COUNT
...
