Hello,
I'm using the nrf51422 with 210 softdevice.
I'm trying to figure out a way for the receiving slave device to go to sleep when away from the master, but to wake...
To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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...
Hello, if I disable interrupt on nrf51xxx device, function sd_ble_tx_buffer_count_get will simply run right into hard fault handler, without returning anything.
I do not...
Hi,
on NRF51 BLE peripheral I want to implement authentication, so only selected BLE masters have access to my BLE peripheral.
There is a password known to BLE peripheral...
Regarding the RTC prescaler of nRF51822,
I found out that it is the following.
Timer and RTC prescaler behavior by TASKS_CLEAR is different,
When TASKS_CLEAR is executed...
My company is making capacitive touch plates and to make them smart, app is used.We are using NRF24L01+ for rf communication between device and app. Our sockets and hub with...
I did some modification from radio test example.
But I don't know why the function "rand8" never ending.
In the function, rand8,
NRF_RNG->EVENTS_VALRDY = 0;
while (NRF_RNG...
Hi,
I have been trying to get up and running since the first DK was released for nRF52x and I am yet to have installed a working development environment. I have tried to...
I'd like to use a DMA channel on the nRF52 to copy RAM from one block to another. However, there doesn't appear to be any DMA controllers that are not directly associated...
Hello everyone
I'm trying to disable advertising but it doesn't work in some cases, I don't really know why. Here is my pretty simple piece of code:
/* Disconnect and...
www.keil.com/.../uv4_db_dbg_evr.htm
www.keil.com/.../EventRecorder.html
Keil worked in a new EventRecorder feature that uses some SWD buffer memory to push data out...
Hello,
A question to understand please. A lot of issues still unfixed in rev 1, but are known for a long time (see errata docs). Like SPI with RX = 1, DCDC -4dB on RF,...
Hello, I try to run the sdk example for adc, i set an input voltage in varying from 0 to 4.38 V in the pin 4 (AIN2), but the returned value didn't corresponds to the desired...
It there a specification for current draw during POR? (From time Vdd starts rising until cpu starts executing?) For nRF51 and 52.
I found this devzone.nordicsemi.com/....
(Hello! I'm drawing the module circuit base on nrf52832 with rfx2401 power amplifier (PA). As I understand it needs to set pins TXEN, RXEN to high level to activate this PA...
It may sound a bit old and you may have fixed them in latest Soft Device stacks however I wanted to share with you a couple of pairing issues we encountered with Soft Device...
