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 try to evaluate DFU using serial but found difficulty. Seeking help here.
I use PCA10028. First, i falsh S110, v8.0 into it.
Then, compile SDK8.0.0\examples...
Hi all!
I want to allow only 1 device to bond at a time. If another device bonding, I want to delete the previously bonded one.
I tried to use dm_device_delete_all() in...
Hi all,
I'm trying to get TWI working on the nRF51 DK but it's not working.
I used the twi_hw_master_sd.c file so softdevice use should not be a problem.
When I debug...
I am using internal ADC to sample 2 (sometimes 3) channels on about 333Hz frequency.
What I do is:
set channel 1 as input (always two-thirds prescaling, VBG reference...
Hi,
I want to debug nrf51822 beacon using DK.I made the necessary connections between dk and beacon.I managed to flash the beacon using nrfgoStudio , but if I want to do...
I have the following code, it's pretty bare in terms of its functionality:
#include <stdint.h>
extern "C"
{
#include "nrf_delay.h"
}
#include "gazell.h"
#include...
I succeeded to made the BLE DFU example of SDK 8(bootloader\pca10028\dual_bank_ble_s110) with softDevice 8 working on PCA10001.
Now I want to try DFU over UART.
I follow...
Hi,
Sorry if these are silly questions but I've tried some searchings and still cannot figure out the answers for the questions below
What is GATT Server Context...
Hi,
I wrote some code that writes to the flash perfectly when BLE is not enabled but when it is enabled, some of the data are correct while others are either missing or...
Hello folks, I have modified the SPI Master Loop example from the package so that I could communicate with the ADXL 345 accelerometer. I use the "spi_master_send_recv()" function...
Hello,
I'm trying to retrieve data from a nrf51822-based board that supports the BLE NUS sevice (using the ble_nus Library provided for the uart communication example,...
Hello!
I've just started using the nRF51 dongles (currently having 5 of them) and I would like to test the GitHub mesh protocol . Excuse my lack of experience, but I am...
Hi,
I'm trying to load the ble_app_beacon application under C:\Nordic Semiconductor\nRF51822 Beacon v1.1.0\Source Code\nrf51_beacon\ble_app_beacon\pca20006\s110\arm_build...
Hi there,
Is there any way to resolve a BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE address without using whitelist advertising? If not, I guess I should implement the...