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...
I'm trying to set up DTM environment with my DUT(Own device, using nRF51822) and a nRF51DK for Lower Tester, referencing the document, nAN34_v1.0, "Setting up production test...
Hi ,
I am programming nRF51822(s/n 681859006) on my company's custom board, I am using the softdevice (s110_nrf51_8.0.0_softdevice.hex) to program it.
After successful...
Hi!
I'm compiling with 'GNU Tools ARM Embedded 4.9 2015q2/bin/arm-none-eabi-g++' and optimization -O0 and debug level -g3, nRF5 SDK version is nRF5_SDK_11.0.0_89a8197....
Hi,
I developed an application with nordic NRF51822 using SoftDevice S110 8.0.0.
The APP developer for iOS tells me that the app disconnects after about 2 minutes, while...
Dear all
I have a question about using nRFgo studio to Program Application
I have develop a nRF51422 central project for a few month using nRFgo studio.
The nRFgo...
Hi everyone. I'm using nRF51822 and try to work with Eddystone protocol. I use experimental_ble_app_eddystone and my beacon work properly. I validate it via nrf Master control...
Has anyone else encountered a recent problem while compiling projects using mbed online compiler (error message goes "Struct "" has no field "NRFFW" "RF_UICR->NRFFW[0]" in...
I am trying to implement a OTA DFU in my project. The DFU Examples given create a bootloader file of it's own and starts transmitting in the nrf51422 dev kit(DFU_Targ, ble...
Hello,
Platform nRF52 with SDK 11 (S132)
I use nrf_drv_spi_init to register a Handler (used for screen and SD card so it can be long)
I have sometimes crashes when...
Hello Everyone,
I have deveoped my custom Board using(NRF51) which has four test pins VCC GND SWCLK,SWDIO. I would like to program the custom board. So could anyone tell...
I'm getting the following log messages when I try to initialize the BLE stack:
First from CHECK_RAM_START_ADDR, I get:
RAM START ADDR 0x20002080 should be adjusted to...
Hi,
I want to debug the blinky project on a nRF52 dk (PCA10040) using Eclipse. I strictly followed the instructions as described here: devzone.nordicsemi.com/.../
I...
Hi,
Is there any documentation regarding nRF OpenMesh( nRF51-ble-broadcast-mesh) Security ? Explaining the security of the communication between nodes in the Mesh network...
Hi all,
I'm working on mbed os and I cannot use the softdevice_ble_evt_handler_set and SOFTDEVICE_HANDLER_INIT . Every time I build it, I get:
undefined reference to ...
