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 have a question about this memory layout .
At Figure 2 (of the memory layout), it erases the previous application.
After that, at step 1, it says that the firmware...
Hello,
i have a BLE device running with a service with three writable characteristics. At the moment I have one data handler function.
If there is any characteristic written...
When I try putting any breakpoint on my code to watch some variables, Keil will never halt that breakpoint. When I click pause in the debug session, the disassembler shows...
I added the DFU service to my project.
I will get this error: #5: cannot open source input file "ble_dfu.h": No such file or directory
This error appears in the dfu_app_handler...
Hello all,
I have migrated a project that was working well (on custom hardware) in Keil to gcc/Eclipse. I followed all the instructions on this site:
https://devzone...
Hi,
I've recently moved my development environment from Windows + Keil uVision to Linux + ARM GNU Toolchain . I'm able to build and flash the application firmware, but...
Hi all,
The DK board and sample code no longer produces cursor movement on Win7.
Using the nRF51DK board, Keil 5.14, S110 V7.1. Previously, I had the HID mouse sample...
Hello Nordic Community,
i have the following issue, im using a Nordic Nrf51422 in proprietary mode. On my RSA i can see that before the paket sending begis the radio sends...
Today, I tried out the Ble Bootloader from the Sdk examples.
As a central client, I'd used the »nRF Loader App« an an iPhone and also »nRF Mcp« on an Android Tablet.
I...
Hi,
from Keil uVision I need to debug/program nrf51822 in my application which uses 1.8 V. I guess nrf51 DK is not capable of doing this (it supports only 3 V targets). What...
Hi,
I have a reset issue when trying to set a delay greater or equal to 100 milliseconds using nrf_delay_ms(...). This only happens if I start my app timers (app_timer_start...
Hi,
I am trying to generate a 128Hz sine wave using the nrf_pwm library . First I tried this with SD110 enabled but ran into some problems that turned out to be a known...
Hi,
I'm going through the errata and a few of them look serious that the developer kit might be useless for some of us if we want to use it for any realistic testing (I...
I am trying to add a static passkey to my peripheral and protect from MITM. I tried the example nRF51-ble-app-uart-static-passkey but it doesn't seem to work correctly.
...
