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 using nRF52832 and trying to make programming patterns via SWD myself, and want to make programming time short.
I have a question about flash programmng time via...
Previous versions of nrfx_spis.h:nrfx_spis_config_t had a "csn_pullup" field but the latest version does not.
The nRF52840 Product Specification is not very clear about...
I am trying to test this example on my nRF52840 DK and it is not working. Here i the steps I followed:
1) Erase the device by clicking "Erase All" under the "Target" menu...
Hi. I'm working on central device which is connecting to peripheral device. I used blinky example, modified characteristics to my needs and it works fine.
Now I try to do...
Hi,
I am developing a system with 2 nrf52840 devices, communicating via the NUS Service. I am programming both the central and peripheral project. I am using the NRF5 SDK...
Hello
I'm porting DFU to my project .
But I have some issue.
The following error occurs.
I set the header file(nrf_cc310_bl_hash_sha256.h) path, but why does this...
Hi All,
In application, I want to config mode of directed high duty to back connection after BLE disconnect for my hid keyboard. So I modify based on this example: "nRF5_SDK_16...
I know there are multiple different questions/answers relating to this topic but none exactly solved my issue. Further, some of the questions are many years old so it's not...
I tried them all. No, really.
But it seems that nothing really works 100%.
I have an nRF52 board here from Nordic, and a cacophony of tools.
I have a million sample projects...
I'm having troubles parsing the received data stream form an UART device. If i just print whatever i received from the datastream, everything works just fine.
Howeve,...
When I move the mouse pointer over the area, I will see the Region name "Bootloader", "Application", "SoftDevice", etc, along with the addresses and size. Where are these...
I tested the example of MQTT publisher of the IOT SDK and it works, and for the next step i want my mqtt publisher scan for the router, in the example it is advertising and...
Hi Nordic
I am working on the SAADC example and I have noticed that when the buffer is filled the NRFX_SAADC_EVT_DONE event is generated. My question is on NRF_SAADC_INT_DONE...
Hello I am seeing some excessive current consumption (~650uA) when connected and do not know where it is coming from. I am using a custom board with an external 32 MHz crystal...
