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...
PDM Initialization normal,I enable PDM and start PDM sampl,I find not jump to NRF_PDM_EVENT_END irq,This is when the link is broken.I suspect not get data in RAM,can you gave...
I am working now already a few days on porting my old project from uvision4 (and old softdevice) to the new uvision5 and new softdevice (SDK12). after some strugle I can now...
I have a complex application utilizing ble and ANT on the nRF52832. Slave channels receive fine but a master broadcast channel I have setup does not appear to transmit (as...
Hello all,
My use of the nrf_drv_saadc causes failures due to incompatible (driver) state, and seeing that other people are having various issues with it, before spending...
Hi there,
first off I'm impressed with the Zephyr project and with Nordic's support of it!
I'd like to understand if there are any gotchas for using Zephyr in a qualified...
I'm working in creating BLE NUS network using 3 NRF51822 FAB, one board has a role as central and 2 other as peripheral. Now I'm able to send string (via BLE NUS) from central...
I'm trying to set up the heart_rate_collector.py example app for pc-ble-driver-py , but gotten pretty confused about the process to run it.
What's gotten me furthest so...
Hello,
I have a project based on nrf51822 and SDK 10/S130. I have read about advertising mode and whitelist, but could not find my answer for my issue anywhere in the zone...
I added a new model to light_switch/server project according this , but how to test it working successfully or not?
I have tried to modify the light_switch/client to accept...
Hi，
When i do as the document say, i download the firmware to the development kit, and then i don't know which pin is the Tx and the Rx. How can i do all the function test...
Hello, I bought nRF51dk (pca10028) a year ago it was working fine last year in Segger Development Studio, now it gives build error "core_cm0.h: No such file or directory"...
Hi guys, me again.
Thanks for all the help before. I was developing me code with the example uart and now would like to control a LED with PWM output.
I have went through...
Is there a way around the issue where bluetooth communication acting as a pass-though terminates the packet whenever null character is found in the packet.
SDK: nRF5_SDK_12...
Hi,
I'm using the evaluation board PCA10040 with Segger Embedded Studio. It stopped working well and I get erroneous services even with the supplied examples (ble_app_blinky...
The device is broadcasting as "DfuTarg" and i want it to come out of the bootloader mode back to the application mode. Is there is a command i can issue to Secure DFU Characteristic...
