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'm trying to include AES256 CTR in the ble_app_template project.
What i've done so far: .c files:
- Included the files from /components/libraries/crypto
...
The time to first fix on the Development Board (as well as a prototype PCB I have made) are both around 2 minutes. After getting a fix, is any of the almanac or ephemeris...
Greetings. Is there a way to do information mapping using, for instance, one of the mesh nodes that could act as a client/provisioner to all other nodes and therefore keep...
Hi! I'm working with nRF52 development kit and SEGGER Embedded Studio. I was trying to modify the example given as ble_app_hids_mouse and take all the functions present in...
Hello,
I am using nRF52832, SDK_15.3.0, S132 SoftDevice and Segger for flashing the image. I am using ‘ble_app_blinky’.
I have few queries on System OFF mode.
1...
Hi, i am trying to add additional payload to the Mesh Light Switch example. However, i modified all structs and it came down to the status_handle() function inside generic_onoff_client...
Hello,
I am using nRF52832, SDK_15.3.0, S132 SoftDevice and Segger for flashing the image.
After wakeup from System OFF (due to GPIO event), I want to validate / debounce...
On the nrfCloud, when you clicked on a device (nrf9160DK), the previous version of the interface would show how much data was used of the "available" data associated with...
We are developing a cycling application and are currently using a variety of ARM processors with BLE capability. We require to add ANT+ capability to read Hear Rate monitor...
Hello,
I'm developping an android application for detecting falls.
I will use accelerometer's values for find the g constant.
But i recover bad values.
this is my...
Without doubt there is a new variation of software emerging:
We are all familiar with Firmware and Software, however I really feel the need to coin the term "Whisper Ware...
I am experiencing a problem where behaviour after an sd_nvic_SystemReset() differs from behaviour after a power-on reset, and this difference causes failures in the softdevice...
Hi, I see there are several questions related to using GPS pulse per second signals for synchronization between devices, but I can't see the responses to some of the questions...
Hi,
I am using Uart1 on nrf52840. This is implemented using nrf_serial library. I have set buffer size to say 10, so event occurs on every 10 bytes reception. Now I want...
Hi,
I have been looking at the Nordic examples and I found them to be pretty slow with the handlers being the bottleneck as opposed to the actual hardware. I was wondering...
