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...
When I try to use the mergehex tool to combine all three my application never seems to get properly combined.
What I'm doing:
mergehex -m softdevice.hex myapp.hex -o...
I am using Nordics sample bootloader and I really want to make sure that given a freak accident in sending it the firmware or in the firmware code itself that the bootloader...
Please,
We want to develop our BLE related application on PC and we find that "GAP/GATT driver for windows" is a good way to achieve that. While our system is based on...
I upgraded to:
Keil V5.11.1.0
J-Link 4.90
nRFgo Studio 1.17
S110_nrf51822_6.0.0
The blinky demo works fine, but s110 demos like the ble_app_hrs won't advertise. LED...
Hey folks,
I am having a little trouble with my nrf51822 at the moment and needed some help.
I am currently using a highly modified version of the ble_app_temp project with...
Hi,
I am measuring die temperature of the nRF51822 using sd_temp_get() at the timeout handler of the RTC1 timer every 2 seconds.
I am using the battery service for a...
Hi,
just for understanding what soft device do i have to use when i want to build an application wich use observer role and broadcaster role at same time?
Can i use S110...
In our application, we need to save a group of data objects,
how many data objects in a group is dynamic.
also each data object has different sizes,
a few bytes up to 100...
Hi,
I am using nrf51822 custom board.
I'm trying to make intterrupt when a pin is 0 (or 1) and do some calculations while it remains 0.
However I could not manage...
Hello,
I am trying to use SPI on a mbed nRF51822 and am following the documentation suggestion. We've deleted all code except the minimum to try and track down the problem...
Hi,
i want to build an applicaiton with gcc and eclipse setup and S130. I use OSX.
if i don't use the softdevice and run it with the blank linkerscript my blinky code...