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...
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...
I want to be able to read my i2c and program logic flow within the BLE application but when I try to set breakpoints it causes the cpu to do a hard reset. How can I capture...
I have an nRF51822-DK board and so far I could not properly grab from the examples a simple thing: is there any specific initialization needed when coding?
For example...
Hi All,
I'm currently developing a network where I would like to use nRF52 SoC. The nodes in the network must be able to extend to over 100 and must be able to multi-hop...
Hello,
I've taken the example from the SDK 12.0.0 for RAM retention. I've added additional NRF_LOG statements to check if the RAM retention is happening. I do not have...
Hi all,
In the Data sheet ,i saw it is a short cut register . It is available for all the peripherals with offset 0x200.
Can you share more information about it, like...
Hi
We are developing a board with nrf51822 and we are looking for the PCB design layout guideline.
We actually went throught the PCB design tutorial on the nordic developer...
I'm attempting to build the ANT+ examples within SDK 11 and am hitting an issue in compile:
C:/Compilers/nRF5_SDK_11.0.0_89a8197/components/ant/ant_stack_config/ant_stack_config...
I'm using Arch Linux, with kernel 4.9.6 on a 64-bit laptop. Using a window manager with no desktop environment.
I'm trying to install Segger Embedded Studio 310i , which...
Hi,
I am working with nrf52DK and Sim800l, I want to send some data using GPRS commands like AT etc.
I am having a market build module for Sim www.circuitstoday.com/....
Hi,
I am using the example code supplied by the blog for reading humidity from the HTU21D sensor using TWI . My humidity and temperature readings are constant and never...
The code generated from the BDS plugin (v.1.2.4, found here: question including link to v1.2.4 ) is failing because of missing references to boolean_t and bds_boolean_encode...
Hi, I need a simple timer that interrupts every second. I'm trying to use the code from the sleep timer, but it isn't working. this device is the PRX, so i don't want it go...
Hi.
I'm using the arm_sin_f32 function to generate an array of sine wave values. However when this function gets called the softdevice crashes.
I've included:
#include...