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. My app based on S130_1.0.0 and is run on DevKit with 51422 chip. App advertises and scans at the same time with next params:
adv interval = 20mS;
scan...
im using nrf51822. before entering DFU mode I want to save data in flash. but when I call pstorage within reset_prepare function, it doesn't jump to DFU mode !!!!
reset_prepare...
Hello guys, i'm new in nRF51 DK board, and i would like to flash the .hex file to my board, but when i do it the board automatically unmounting himself and reset with the...
hello there i want to send negative acknowledgement then what should i do?? like i want to send some data and then i want to send negative acknowledgement
i am trying to use yggdrasil for nrf51422 (pca10028) with sdk 10.0. after installing, i cannot see the com port. How do I flash "connectivity_115k2_with_s130_1.0.0.hex" with...
Hi everyone!. I am beginner for Nordic Devices
I want to use RTC Clock with softdevices
so I loaded the project ble_uart_s130 from examples.
and I changed code like...
I have a ble central device. Sending commands to UART in main() works well. Sending in on_ble_evt() doesn't work (only the first char).
But I see in your examples that you...
Hi guys,
I've almost got DFU working on SDK10. However I am having issues at post validation of the image, specifically in the function dfu_init_postvalidate() in file...
Hello all,
Thank you in advance for taking your time for reading this question. I'm developing a proximity application and I have programmed the nRF51 DK with the s110...
Hi,
I am trying to set up a small mesh network. Basically I have a couple of PCA10028 (v1.1.0) and I have flashed the mesh example:
github.com/.../BLE_Gateway
One...
Hello Everyone,
I have been working around BLE profiles for few months and i have made several tested for each service via MCP(android) everything works fine but now i...
Mt need is to do frequency measurement of 0.01Hz to 99.99 Hz
We need a clock of 1us that added to a timer of that start on when the pulse low to high event happens and...
Hi there,
I want to connect multiple nus devices to S120 central. After connection with device, it starts to scan again after the BLE_GAP_EVT_CONNECTED event. And there...
Hi,
I am using the s110 and SDK 6 and trying to have multiple notifications from different services/caracteristics. For now I have two services, one for the battery and one...
