I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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, 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...
Hello all,
I am working on a device (nrf51 and s110) which is going to communicate with multiple centrals (smart phones).
The device uses a whitelist to connect to only...
Hi,
I run a custom board with an nrf51822.
If I program the device in the IAR IDE everything works fine but I cannot program the generated hexfile with nRFgo Studio or...
Is it 'NRF_RADIO->TASKS_DISABLE' or 'NRF_RADIO->TASKS_DISABLE = 1'?
Restarting advertisements seems not to be affected and I guess 'cancels out' NRF_RADIO->TASKS_DISABLE...
Hi,
I'm trying to run the uart loopback example in the nrf52 0.9.1 SDK with DMA enabled but it is being caught in an error catch. It runs fine without DMA enabled though...
We have some NRF51-DK devices here.
Recently we upgraded our segger software to v5.00.
During programming using nrfjprog we got the question to upgrade the emulator firmware...
I am trying to write a simple advertisement application for my nRF51822 development board (for it to run on an S110), but the tutorial on the nordicsemi.com website, which...
we are making a pedometer. when you are connected, you get notification for every step you make (just an integer)
you just did 50 steps. you can see it in the app. now...
I'm trying to implement a wake-up button on central multilink example. I.e, i need to implement the app_button in order to wake up from sd_evt_wat() function. The problem...