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...
Hello,
I'm working on the PCA 10028 board with nrf51422 with the RTX os (version 4.74.0-5).
My code fails after some time during a call to
osMailAlloc(mq, osWaitForever...
Hi All,
I've happily done all this work before on the Nrf51822 with boot loaders and apps and a happily deployed product.
Thought it was time to shift over to GCC on...
Hi Team,
about power on reset time, not very clear about the description in the SP3.1 as in the attached picture,
why the description are the same?
what's the difference...
Hello,I use s120 and I wnat to send data(write charactheristics value) to all connected peripheral when I receive a character from uart(in uart event handler)?(I use ble_app_multilink_central_s120...
I am connecting to two identical devices, but one is configured as device 'A' and the other is device 'B'. I am currently advertising whether the device is configured as A...
In porting from SDK6 to SDK9, it looks as though
nrf_gpiote_task_config()
has been replaced with
nrf_gpiote_task_configure()
What, if anything, has replaced
nrf_gpiote_unconfig...
I'm using sd_ble_gap_address_set() to randomize mac address and it's working fine. But I'm confused about how to change it back to normal(initial value I see) once I wan't...
i cant find lbs example on \SDK8.0.0\examples\ble_peripheral\nrf51-ble-app-lbs-master\arm and compile.I planned to work with nrf51822 dk. The given example in github shows...
Hello, I have been trying to setup eclipse for the NRF52 off and on all week. I followed the guide on setting up eclipse for the NRF51 and adapted it for the NRF52.
I've...
We have a factory in Hong Kong building and programming nRF51822 modules for us. We may go to a fancier solution in the future, but right now we are using nRFgo Studio and...
If I want to connect the NRF51822 board to Keil using JLink via SWD, I found the SW's clock frequency must below 20kHz. If I choose the higher frequency, the Keil can not...
I know this should be simple, but the prescaler is confusing me...
If I initialize my timers with a prescaler of 0, APP_TIMER_INIT(0, ...)
Then the max timer I can have...
Sorry but I've been stuck on this for a few days now and I have to give up and ask for help.
I'm attempting to set LED0 when BUTTON_0 is pressed and LED1 when BUTTON_1...
